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Home Return to list Areal Flood Watch 0008 Issued by the Tucson Forecast Office
Action: New Issued At: 2026-08-10 12:58:21
428
WGUS65 KTWC 101757
FFATWC
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Tucson AZ
1057 AM MST Mon Aug 10 2026
AZZ503-504-110200-
/O.NEW.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
/O.CON.KTWC.FA.A.0007.260810T2100Z-260811T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper Santa Cruz River Valley/Altar Valley-Tucson Metro Area-
Including the cities of Vail, Marana, Green Valley, Nogales, and
Tucson
1057 AM MST Mon Aug 10 2026
...FLOOD WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY
EVENING...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Tucson Metro and Santa Cruz County.
* WHEN...From 2 PM MST Tuesday afternoon through 11 PM MST Tuesday
evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- Another round of showers and thunderstorms is expected Tuesday
afternoon and evening. Additional rainfall from the previous day
will result in faster responses in normally dry washes, creeks
and roadway dips. Rainfall rates in excess of 1 inch per hour are
expected with the stronger storms with isolated areas having the
potential of 1-3 inches.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
...FLOOD WATCH REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM
MST THIS EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Tucson Metro and Santa Cruz County.
* WHEN...From 2 PM this afternoon to 10 PM MST this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- Scattered to numerous thunderstorms are expected this afternoon
into this evening. Rainfall rates in excess of 1 inch per hour
are expected with the stronger storms with isolated areas having
the potential of 2 inches or more in an hour.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
AZZ507>509-511>513-110200-
/O.NEW.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper San Pedro River Valley-Eastern Cochise County below
5000 feet-Upper Gila River Valley-Galiuro and Pinaleno Mountains-
Chiricahua Mountains-Dragoon and Mule and Huachuca and Santa Rita
Mountains-
Including the cities of Douglas, Clifton, Safford, Madera Canyon,
Sierra Vista, Benson, Mount Graham, Bisbee, Canelo Hills,
Chiricahua N.M., and Willcox
1057 AM MST Mon Aug 10 2026
...FLOOD WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY
EVENING...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Cochise County and the valleys of Graham and Greenlee
Counties.
* WHEN...From 2 PM Tuesday afternoon through 11 PM MST Tuesday
evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- An increase in deep moisture is expected tomorrow afternoon
bringing scattered to numerous thunderstorms. Rainfall rates in
excess of 1 inch per hour are expected with the stronger storms
with isolated areas having the potential of 1-3 inches.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
AZZ501-502-505-506-514-515-110200-
/O.CON.KTWC.FA.A.0007.260810T2100Z-260811T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Western Pima County-Tohono Oodham Nation-South Central Pinal
County-Southeast Pinal County-Catalina and Rincon Mountains-
Baboquivari Mountains-
Including the cities of Ajo, Oracle, Picacho Peak State Park,
Organ Pipe Cactus N.M., Mount Lemmon, Summerhaven, Kitt Peak,
Mammoth, and Sells
1057 AM MST Mon Aug 10 2026
...FLOOD WATCH REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM
MST THIS EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Western Pima, Central Pima, and Southeastern Pinal
Counties.
* WHEN...From 2 PM this afternoon to 10 PM MST this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- Scattered to numerous thunderstorms are expected this afternoon
into this evening. Rainfall rates in excess of 1 inch per hour
are expected with the stronger storms with isolated areas having
the potential of 2 inches or more in an hour.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
JT
Action: New Issued At: 2026-08-10 12:58:21
428
WGUS65 KTWC 101757
FFATWC
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Tucson AZ
1057 AM MST Mon Aug 10 2026
AZZ503-504-110200-
/O.NEW.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
/O.CON.KTWC.FA.A.0007.260810T2100Z-260811T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper Santa Cruz River Valley/Altar Valley-Tucson Metro Area-
Including the cities of Vail, Marana, Green Valley, Nogales, and
Tucson
1057 AM MST Mon Aug 10 2026
...FLOOD WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY
EVENING...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Tucson Metro and Santa Cruz County.
* WHEN...From 2 PM MST Tuesday afternoon through 11 PM MST Tuesday
evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- Another round of showers and thunderstorms is expected Tuesday
afternoon and evening. Additional rainfall from the previous day
will result in faster responses in normally dry washes, creeks
and roadway dips. Rainfall rates in excess of 1 inch per hour are
expected with the stronger storms with isolated areas having the
potential of 1-3 inches.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
...FLOOD WATCH REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM
MST THIS EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Tucson Metro and Santa Cruz County.
* WHEN...From 2 PM this afternoon to 10 PM MST this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- Scattered to numerous thunderstorms are expected this afternoon
into this evening. Rainfall rates in excess of 1 inch per hour
are expected with the stronger storms with isolated areas having
the potential of 2 inches or more in an hour.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
AZZ507>509-511>513-110200-
/O.NEW.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper San Pedro River Valley-Eastern Cochise County below
5000 feet-Upper Gila River Valley-Galiuro and Pinaleno Mountains-
Chiricahua Mountains-Dragoon and Mule and Huachuca and Santa Rita
Mountains-
Including the cities of Douglas, Clifton, Safford, Madera Canyon,
Sierra Vista, Benson, Mount Graham, Bisbee, Canelo Hills,
Chiricahua N.M., and Willcox
1057 AM MST Mon Aug 10 2026
...FLOOD WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY
EVENING...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Cochise County and the valleys of Graham and Greenlee
Counties.
* WHEN...From 2 PM Tuesday afternoon through 11 PM MST Tuesday
evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- An increase in deep moisture is expected tomorrow afternoon
bringing scattered to numerous thunderstorms. Rainfall rates in
excess of 1 inch per hour are expected with the stronger storms
with isolated areas having the potential of 1-3 inches.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
AZZ501-502-505-506-514-515-110200-
/O.CON.KTWC.FA.A.0007.260810T2100Z-260811T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Western Pima County-Tohono Oodham Nation-South Central Pinal
County-Southeast Pinal County-Catalina and Rincon Mountains-
Baboquivari Mountains-
Including the cities of Ajo, Oracle, Picacho Peak State Park,
Organ Pipe Cactus N.M., Mount Lemmon, Summerhaven, Kitt Peak,
Mammoth, and Sells
1057 AM MST Mon Aug 10 2026
...FLOOD WATCH REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM
MST THIS EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Western Pima, Central Pima, and Southeastern Pinal
Counties.
* WHEN...From 2 PM this afternoon to 10 PM MST this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- Scattered to numerous thunderstorms are expected this afternoon
into this evening. Rainfall rates in excess of 1 inch per hour
are expected with the stronger storms with isolated areas having
the potential of 2 inches or more in an hour.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
JT
Action: Continued Issued At: 2026-08-10 13:12:52
919
WGUS65 KTWC 101812
FFATWC
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Tucson AZ
1112 AM MST Mon Aug 10 2026
AZZ514-111400-
/O.EXA.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
/O.CON.KTWC.FA.A.0007.260810T2100Z-260811T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Catalina and Rincon Mountains-
Including the cities of Mount Lemmon and Summerhaven
1112 AM MST Mon Aug 10 2026
...FLOOD WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY
EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Northeast Pima county including the Catalina and Rincon
Mountains.
* WHEN...From 2 PM MST Tuesday afternoon through 11 PM MST Tuesday
evening.
* IMPACTS...Excessive rainfall runoff may result in flash flooding of
normally dry washes, roadway dips and other low-lying areas.
* ADDITIONAL DETAILS...
- Another round of showers and thunderstorms is expected Tuesday
afternoon and evening. Additional rainfall from the previous day
will result in faster responses in normally dry washes, creeks
and roadway dips. Rainfall rates in excess of 1 inch per hour are
expected with the stronger storms with isolated areas having the
potential of 1-3 inches.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM MST THIS EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Western Pima, Central Pima, and Southeastern Pinal
Counties.
* WHEN...Until 10 PM MST this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- Scattered to numerous thunderstorms are expected this afternoon
into this evening. Rainfall rates in excess of 1 inch per hour
are expected with the stronger storms with isolated areas having
the potential of 2 inches or more in an hour.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
AZZ503-504-111400-
/O.CON.KTWC.FA.A.0007.260810T2100Z-260811T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
/O.CON.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper Santa Cruz River Valley/Altar Valley-Tucson Metro Area-
Including the cities of Vail, Marana, Green Valley, Nogales, and
Tucson
1112 AM MST Mon Aug 10 2026
...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM MST THIS EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Tucson Metro and Santa Cruz County.
* WHEN...Until 10 PM MST this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- Scattered to numerous thunderstorms are expected this afternoon
into this evening. Rainfall rates in excess of 1 inch per hour
are expected with the stronger storms with isolated areas having
the potential of 2 inches or more in an hour.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
...FLOOD WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Tucson Metro and Santa Cruz County.
* WHEN...From 2 PM MST Tuesday afternoon through 11 PM MST Tuesday
evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- Another round of showers and thunderstorms is expected Tuesday
afternoon and evening. Additional rainfall from the previous day
will result in faster responses in normally dry washes, creeks
and roadway dips. Rainfall rates in excess of 1 inch per hour are
expected with the stronger storms with isolated areas having the
potential of 1-3 inches.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
AZZ501-502-505-506-515-110500-
/O.CON.KTWC.FA.A.0007.260810T2100Z-260811T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Western Pima County-Tohono Oodham Nation-South Central Pinal
County-Southeast Pinal County-Baboquivari Mountains-
Including the cities of Ajo, Oracle, Picacho Peak State Park,
Organ Pipe Cactus N.M., Kitt Peak, Mammoth, and Sells
1112 AM MST Mon Aug 10 2026
...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM MST THIS EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Western Pima, Central Pima, and Southeastern Pinal
Counties.
* WHEN...Until 10 PM MST this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- Scattered to numerous thunderstorms are expected this afternoon
into this evening. Rainfall rates in excess of 1 inch per hour
are expected with the stronger storms with isolated areas having
the potential of 2 inches or more in an hour.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
AZZ507>509-511>513-111400-
/O.CON.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper San Pedro River Valley-Eastern Cochise County below
5000 feet-Upper Gila River Valley-Galiuro and Pinaleno Mountains-
Chiricahua Mountains-Dragoon and Mule and Huachuca and Santa Rita
Mountains-
Including the cities of Douglas, Clifton, Safford, Madera Canyon,
Sierra Vista, Benson, Mount Graham, Bisbee, Canelo Hills,
Chiricahua N.M., and Willcox
1112 AM MST Mon Aug 10 2026
...FLOOD WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Cochise County and the valleys of Graham and Greenlee
Counties.
* WHEN...From 2 PM MST Tuesday afternoon through 11 PM MST Tuesday
evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- An increase in deep moisture is expected tomorrow afternoon
bringing scattered to numerous thunderstorms. Rainfall rates in
excess of 1 inch per hour are expected with the stronger storms
with isolated areas having the potential of 1-3 inches.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
JT
Action: Area Extended Issued At: 2026-08-10 13:12:52
919
WGUS65 KTWC 101812
FFATWC
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Tucson AZ
1112 AM MST Mon Aug 10 2026
AZZ514-111400-
/O.EXA.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
/O.CON.KTWC.FA.A.0007.260810T2100Z-260811T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Catalina and Rincon Mountains-
Including the cities of Mount Lemmon and Summerhaven
1112 AM MST Mon Aug 10 2026
...FLOOD WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY
EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Northeast Pima county including the Catalina and Rincon
Mountains.
* WHEN...From 2 PM MST Tuesday afternoon through 11 PM MST Tuesday
evening.
* IMPACTS...Excessive rainfall runoff may result in flash flooding of
normally dry washes, roadway dips and other low-lying areas.
* ADDITIONAL DETAILS...
- Another round of showers and thunderstorms is expected Tuesday
afternoon and evening. Additional rainfall from the previous day
will result in faster responses in normally dry washes, creeks
and roadway dips. Rainfall rates in excess of 1 inch per hour are
expected with the stronger storms with isolated areas having the
potential of 1-3 inches.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM MST THIS EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Western Pima, Central Pima, and Southeastern Pinal
Counties.
* WHEN...Until 10 PM MST this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- Scattered to numerous thunderstorms are expected this afternoon
into this evening. Rainfall rates in excess of 1 inch per hour
are expected with the stronger storms with isolated areas having
the potential of 2 inches or more in an hour.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
AZZ503-504-111400-
/O.CON.KTWC.FA.A.0007.260810T2100Z-260811T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
/O.CON.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper Santa Cruz River Valley/Altar Valley-Tucson Metro Area-
Including the cities of Vail, Marana, Green Valley, Nogales, and
Tucson
1112 AM MST Mon Aug 10 2026
...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM MST THIS EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Tucson Metro and Santa Cruz County.
* WHEN...Until 10 PM MST this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- Scattered to numerous thunderstorms are expected this afternoon
into this evening. Rainfall rates in excess of 1 inch per hour
are expected with the stronger storms with isolated areas having
the potential of 2 inches or more in an hour.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
...FLOOD WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Tucson Metro and Santa Cruz County.
* WHEN...From 2 PM MST Tuesday afternoon through 11 PM MST Tuesday
evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- Another round of showers and thunderstorms is expected Tuesday
afternoon and evening. Additional rainfall from the previous day
will result in faster responses in normally dry washes, creeks
and roadway dips. Rainfall rates in excess of 1 inch per hour are
expected with the stronger storms with isolated areas having the
potential of 1-3 inches.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
AZZ501-502-505-506-515-110500-
/O.CON.KTWC.FA.A.0007.260810T2100Z-260811T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Western Pima County-Tohono Oodham Nation-South Central Pinal
County-Southeast Pinal County-Baboquivari Mountains-
Including the cities of Ajo, Oracle, Picacho Peak State Park,
Organ Pipe Cactus N.M., Kitt Peak, Mammoth, and Sells
1112 AM MST Mon Aug 10 2026
...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM MST THIS EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Western Pima, Central Pima, and Southeastern Pinal
Counties.
* WHEN...Until 10 PM MST this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- Scattered to numerous thunderstorms are expected this afternoon
into this evening. Rainfall rates in excess of 1 inch per hour
are expected with the stronger storms with isolated areas having
the potential of 2 inches or more in an hour.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
AZZ507>509-511>513-111400-
/O.CON.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper San Pedro River Valley-Eastern Cochise County below
5000 feet-Upper Gila River Valley-Galiuro and Pinaleno Mountains-
Chiricahua Mountains-Dragoon and Mule and Huachuca and Santa Rita
Mountains-
Including the cities of Douglas, Clifton, Safford, Madera Canyon,
Sierra Vista, Benson, Mount Graham, Bisbee, Canelo Hills,
Chiricahua N.M., and Willcox
1112 AM MST Mon Aug 10 2026
...FLOOD WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Cochise County and the valleys of Graham and Greenlee
Counties.
* WHEN...From 2 PM MST Tuesday afternoon through 11 PM MST Tuesday
evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- An increase in deep moisture is expected tomorrow afternoon
bringing scattered to numerous thunderstorms. Rainfall rates in
excess of 1 inch per hour are expected with the stronger storms
with isolated areas having the potential of 1-3 inches.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
JT
Action: Continued Issued At: 2026-08-10 13:12:52
919
WGUS65 KTWC 101812
FFATWC
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Tucson AZ
1112 AM MST Mon Aug 10 2026
AZZ514-111400-
/O.EXA.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
/O.CON.KTWC.FA.A.0007.260810T2100Z-260811T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Catalina and Rincon Mountains-
Including the cities of Mount Lemmon and Summerhaven
1112 AM MST Mon Aug 10 2026
...FLOOD WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY
EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Northeast Pima county including the Catalina and Rincon
Mountains.
* WHEN...From 2 PM MST Tuesday afternoon through 11 PM MST Tuesday
evening.
* IMPACTS...Excessive rainfall runoff may result in flash flooding of
normally dry washes, roadway dips and other low-lying areas.
* ADDITIONAL DETAILS...
- Another round of showers and thunderstorms is expected Tuesday
afternoon and evening. Additional rainfall from the previous day
will result in faster responses in normally dry washes, creeks
and roadway dips. Rainfall rates in excess of 1 inch per hour are
expected with the stronger storms with isolated areas having the
potential of 1-3 inches.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM MST THIS EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Western Pima, Central Pima, and Southeastern Pinal
Counties.
* WHEN...Until 10 PM MST this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- Scattered to numerous thunderstorms are expected this afternoon
into this evening. Rainfall rates in excess of 1 inch per hour
are expected with the stronger storms with isolated areas having
the potential of 2 inches or more in an hour.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
AZZ503-504-111400-
/O.CON.KTWC.FA.A.0007.260810T2100Z-260811T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
/O.CON.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper Santa Cruz River Valley/Altar Valley-Tucson Metro Area-
Including the cities of Vail, Marana, Green Valley, Nogales, and
Tucson
1112 AM MST Mon Aug 10 2026
...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM MST THIS EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Tucson Metro and Santa Cruz County.
* WHEN...Until 10 PM MST this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- Scattered to numerous thunderstorms are expected this afternoon
into this evening. Rainfall rates in excess of 1 inch per hour
are expected with the stronger storms with isolated areas having
the potential of 2 inches or more in an hour.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
...FLOOD WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Tucson Metro and Santa Cruz County.
* WHEN...From 2 PM MST Tuesday afternoon through 11 PM MST Tuesday
evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- Another round of showers and thunderstorms is expected Tuesday
afternoon and evening. Additional rainfall from the previous day
will result in faster responses in normally dry washes, creeks
and roadway dips. Rainfall rates in excess of 1 inch per hour are
expected with the stronger storms with isolated areas having the
potential of 1-3 inches.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
AZZ501-502-505-506-515-110500-
/O.CON.KTWC.FA.A.0007.260810T2100Z-260811T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Western Pima County-Tohono Oodham Nation-South Central Pinal
County-Southeast Pinal County-Baboquivari Mountains-
Including the cities of Ajo, Oracle, Picacho Peak State Park,
Organ Pipe Cactus N.M., Kitt Peak, Mammoth, and Sells
1112 AM MST Mon Aug 10 2026
...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM MST THIS EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Western Pima, Central Pima, and Southeastern Pinal
Counties.
* WHEN...Until 10 PM MST this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- Scattered to numerous thunderstorms are expected this afternoon
into this evening. Rainfall rates in excess of 1 inch per hour
are expected with the stronger storms with isolated areas having
the potential of 2 inches or more in an hour.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
AZZ507>509-511>513-111400-
/O.CON.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper San Pedro River Valley-Eastern Cochise County below
5000 feet-Upper Gila River Valley-Galiuro and Pinaleno Mountains-
Chiricahua Mountains-Dragoon and Mule and Huachuca and Santa Rita
Mountains-
Including the cities of Douglas, Clifton, Safford, Madera Canyon,
Sierra Vista, Benson, Mount Graham, Bisbee, Canelo Hills,
Chiricahua N.M., and Willcox
1112 AM MST Mon Aug 10 2026
...FLOOD WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Cochise County and the valleys of Graham and Greenlee
Counties.
* WHEN...From 2 PM MST Tuesday afternoon through 11 PM MST Tuesday
evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- An increase in deep moisture is expected tomorrow afternoon
bringing scattered to numerous thunderstorms. Rainfall rates in
excess of 1 inch per hour are expected with the stronger storms
with isolated areas having the potential of 1-3 inches.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
JT
Action: Continued Issued At: 2026-08-10 23:53:42
712
WGUS65 KTWC 110453
FFATWC
Flood Watch
National Weather Service Tucson AZ
953 PM MST Mon Aug 10 2026
AZZ503-504-514-111300-
/O.EXP.KTWC.FA.A.0007.000000T0000Z-260811T0500Z/
/O.CON.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper Santa Cruz River Valley/Altar Valley-Tucson Metro Area-
Catalina and Rincon Mountains-
Including the cities of Nogales, Mount Lemmon, Summerhaven, Vail,
Green Valley, Marana, and Tucson
953 PM MST Mon Aug 10 2026
...FLOOD WATCH WILL EXPIRE AT 10 PM MST THIS EVENING...
The Flood Watch will expire for a portion of Southeast Arizona,
including the following areas, Catalina and Rincon Mountains, Tucson
Metro Area and Upper Santa Cruz River Valley/Altar Valley.
The flash flooding threat has ended. Therefore, the Flood Watch will
expire at 10 PM MST this evening.
&&
...FLOOD WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of Southeast Arizona, including the following
areas, Catalina and Rincon Mountains, Tucson Metro Area and Upper
Santa Cruz River Valley/Altar Valley.
* WHEN...From Tuesday afternoon through Tuesday evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- Another round of showers and thunderstorms is expected Tuesday
afternoon and evening. Additional rainfall from the previous day
will result in faster responses in normally dry washes, creeks
and roadway dips. Rainfall rates in excess of 1 inch per hour are
expected with the stronger storms with isolated areas having the
potential of 1-3 inches.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
AZZ501-502-505-506-515-110600-
/O.EXP.KTWC.FA.A.0007.000000T0000Z-260811T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Western Pima County-Tohono Oodham Nation-South Central Pinal
County-Southeast Pinal County-Baboquivari Mountains-
Including the cities of Organ Pipe Cactus N.M., Picacho Peak
State Park, Sells, Oracle, Kitt Peak, Mammoth, and Ajo
953 PM MST Mon Aug 10 2026
...FLOOD WATCH WILL EXPIRE AT 10 PM MST THIS EVENING...
The Flood Watch will expire for a portion of Southeast Arizona,
including the following areas, Baboquivari Mountains, South Central
Pinal County, Southeast Pinal County, Tohono Oodham Nation and
Western Pima County.
The flash flooding threat has ended. Therefore, the Flood Watch will
expire at 10 PM MST this evening.
$$
AZZ507>509-511>513-111300-
/O.CON.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper San Pedro River Valley-Eastern Cochise County below
5000 feet-Upper Gila River Valley-Galiuro and Pinaleno Mountains-
Chiricahua Mountains-Dragoon and Mule and Huachuca and Santa Rita
Mountains-
Including the cities of Madera Canyon, Safford, Willcox, Canelo
Hills, Mount Graham, Sierra Vista, Clifton, Douglas, Chiricahua
N.M., Bisbee, and Benson
953 PM MST Mon Aug 10 2026
...FLOOD WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of Southeast Arizona, including the following
areas, Chiricahua Mountains, Dragoon and Mule and Huachuca and
Santa Rita Mountains, Eastern Cochise County below 5000 feet,
Galiuro and Pinaleno Mountains, Upper Gila River Valley and Upper
San Pedro River Valley.
* WHEN...From Tuesday afternoon through Tuesday evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- An increase in deep moisture is expected tomorrow afternoon
bringing scattered to numerous thunderstorms. Rainfall rates in
excess of 1 inch per hour are expected with the stronger storms
with isolated areas having the potential of 1-3 inches.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
KJS
Action: Continued Issued At: 2026-08-10 23:53:42
712
WGUS65 KTWC 110453
FFATWC
Flood Watch
National Weather Service Tucson AZ
953 PM MST Mon Aug 10 2026
AZZ503-504-514-111300-
/O.EXP.KTWC.FA.A.0007.000000T0000Z-260811T0500Z/
/O.CON.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper Santa Cruz River Valley/Altar Valley-Tucson Metro Area-
Catalina and Rincon Mountains-
Including the cities of Nogales, Mount Lemmon, Summerhaven, Vail,
Green Valley, Marana, and Tucson
953 PM MST Mon Aug 10 2026
...FLOOD WATCH WILL EXPIRE AT 10 PM MST THIS EVENING...
The Flood Watch will expire for a portion of Southeast Arizona,
including the following areas, Catalina and Rincon Mountains, Tucson
Metro Area and Upper Santa Cruz River Valley/Altar Valley.
The flash flooding threat has ended. Therefore, the Flood Watch will
expire at 10 PM MST this evening.
&&
...FLOOD WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of Southeast Arizona, including the following
areas, Catalina and Rincon Mountains, Tucson Metro Area and Upper
Santa Cruz River Valley/Altar Valley.
* WHEN...From Tuesday afternoon through Tuesday evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- Another round of showers and thunderstorms is expected Tuesday
afternoon and evening. Additional rainfall from the previous day
will result in faster responses in normally dry washes, creeks
and roadway dips. Rainfall rates in excess of 1 inch per hour are
expected with the stronger storms with isolated areas having the
potential of 1-3 inches.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
AZZ501-502-505-506-515-110600-
/O.EXP.KTWC.FA.A.0007.000000T0000Z-260811T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Western Pima County-Tohono Oodham Nation-South Central Pinal
County-Southeast Pinal County-Baboquivari Mountains-
Including the cities of Organ Pipe Cactus N.M., Picacho Peak
State Park, Sells, Oracle, Kitt Peak, Mammoth, and Ajo
953 PM MST Mon Aug 10 2026
...FLOOD WATCH WILL EXPIRE AT 10 PM MST THIS EVENING...
The Flood Watch will expire for a portion of Southeast Arizona,
including the following areas, Baboquivari Mountains, South Central
Pinal County, Southeast Pinal County, Tohono Oodham Nation and
Western Pima County.
The flash flooding threat has ended. Therefore, the Flood Watch will
expire at 10 PM MST this evening.
$$
AZZ507>509-511>513-111300-
/O.CON.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper San Pedro River Valley-Eastern Cochise County below
5000 feet-Upper Gila River Valley-Galiuro and Pinaleno Mountains-
Chiricahua Mountains-Dragoon and Mule and Huachuca and Santa Rita
Mountains-
Including the cities of Madera Canyon, Safford, Willcox, Canelo
Hills, Mount Graham, Sierra Vista, Clifton, Douglas, Chiricahua
N.M., Bisbee, and Benson
953 PM MST Mon Aug 10 2026
...FLOOD WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of Southeast Arizona, including the following
areas, Chiricahua Mountains, Dragoon and Mule and Huachuca and
Santa Rita Mountains, Eastern Cochise County below 5000 feet,
Galiuro and Pinaleno Mountains, Upper Gila River Valley and Upper
San Pedro River Valley.
* WHEN...From Tuesday afternoon through Tuesday evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.
* ADDITIONAL DETAILS...
- An increase in deep moisture is expected tomorrow afternoon
bringing scattered to numerous thunderstorms. Rainfall rates in
excess of 1 inch per hour are expected with the stronger storms
with isolated areas having the potential of 1-3 inches.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
KJS
Action: Continued Issued At: 2026-08-11 05:00:05
759
WGUS65 KTWC 110959
FFATWC
Flood Watch
National Weather Service Tucson AZ
259 AM MST Tue Aug 11 2026
AZZ503-504-507>509-511>514-120000-
/O.CON.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper Santa Cruz River Valley/Altar Valley-Tucson Metro Area-
Upper San Pedro River Valley-Eastern Cochise County below
5000 feet-Upper Gila River Valley-Galiuro and Pinaleno Mountains-
Chiricahua Mountains-Dragoon and Mule and Huachuca and Santa Rita
Mountains-Catalina and Rincon Mountains-
Including the cities of Safford, Mount Graham, Mount Lemmon,
Summerhaven, Douglas, Benson, Canelo Hills, Marana, Chiricahua
N.M., Madera Canyon, Vail, Bisbee, Tucson, Clifton, Green Valley,
Willcox, Nogales, and Sierra Vista
259 AM MST Tue Aug 11 2026
...FLOOD WATCH REMAINS IN EFFECT FROM 2 PM MST THIS AFTERNOON THROUGH
THIS EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of Southeast Arizona, including the following
areas, Catalina and Rincon Mountains, Chiricahua Mountains, Dragoon
and Mule and Huachuca and Santa Rita Mountains, Eastern Cochise
County below 5000 feet, Galiuro and Pinaleno Mountains, Tucson
Metro Area, Upper Gila River Valley, Upper San Pedro River Valley
and Upper Santa Cruz River Valley/Altar Valley.
* WHEN...From 2 PM MST this afternoon through this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded. Creeks and streams may rise out of their
banks.
* ADDITIONAL DETAILS...
- Scattered to numerous thunderstorms are expected this afternoon
into this evening. Rainfall rates in excess of 1 inch per hour
are expected with the stronger storms with isolated areas having
the potential of 2 inches or more in an hour.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
Action: Area Extended Issued At: 2026-08-11 12:22:17
908
WGUS65 KTWC 111721
FFATWC
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Tucson AZ
1021 AM MST Tue Aug 11 2026
AZZ502-505-506-515-120600-
/O.EXA.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Tohono Oodham Nation-South Central Pinal County-Southeast Pinal
County-Baboquivari Mountains-
Including the cities of Oracle, Kitt Peak, Picacho Peak State Park,
Sells, and Mammoth
1021 AM MST Tue Aug 11 2026
...FLOOD WATCH IN EFFECT FROM 2 PM MST THIS AFTERNOON THROUGH 11 PM
MST THIS EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Central Pima county including the Tohono Oodham nation and
Southeast Pinal county.
* WHEN...From 2 PM MST this afternoon through 11 PM MST this evening.
* IMPACTS...Excessive rainfall runoff may result in flash flooding of
normally dry washes, roadway dips and other low-lying areas.
* ADDITIONAL DETAILS...
- Scattered to numerous thunderstorms are expected this afternoon
into this evening. Rainfall rates in excess of 1 inch per hour
are expected, with the stronger storms capable of producing total
rainfall amounts between 1 to 3 inches.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
AZZ503-504-507>509-511>514-120600-
/O.CON.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper Santa Cruz River Valley/Altar Valley-Tucson Metro Area-
Upper San Pedro River Valley-Eastern Cochise County below
5000 feet-Upper Gila River Valley-Galiuro and Pinaleno Mountains-
Chiricahua Mountains-Dragoon and Mule and Huachuca and Santa Rita
Mountains-Catalina and Rincon Mountains-
Including the cities of Benson, Safford, Tucson, Vail,
Summerhaven, Marana, Clifton, Nogales, Chiricahua N.M., Canelo
Hills, Willcox, Mount Lemmon, Mount Graham, Green Valley, Sierra
Vista, Madera Canyon, Douglas, and Bisbee
1021 AM MST Tue Aug 11 2026
...FLOOD WATCH REMAINS IN EFFECT FROM 2 PM MST THIS AFTERNOON THROUGH
11 PM MST THIS EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Eastern Pima county including the Tucson Metro Area, Santa
Cruz, Cochise Counties and the valleys of Graham and Greenlee
Counties.
* WHEN...From 2 PM MST this afternoon through 11 PM MST this evening.
* IMPACTS...Excessive rainfall runoff may result in flash flooding of
normally dry washes, roadway dips and other low-lying areas.
* ADDITIONAL DETAILS...
- Scattered to numerous thunderstorms are expected this afternoon
into this evening. Rainfall rates in excess of 1 inch per hour
are expected, with the stronger storms capable of producing total
rainfall amounts between 1 to 3 inches.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
CWR
Action: Continued Issued At: 2026-08-11 12:22:17
908
WGUS65 KTWC 111721
FFATWC
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Tucson AZ
1021 AM MST Tue Aug 11 2026
AZZ502-505-506-515-120600-
/O.EXA.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Tohono Oodham Nation-South Central Pinal County-Southeast Pinal
County-Baboquivari Mountains-
Including the cities of Oracle, Kitt Peak, Picacho Peak State Park,
Sells, and Mammoth
1021 AM MST Tue Aug 11 2026
...FLOOD WATCH IN EFFECT FROM 2 PM MST THIS AFTERNOON THROUGH 11 PM
MST THIS EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Central Pima county including the Tohono Oodham nation and
Southeast Pinal county.
* WHEN...From 2 PM MST this afternoon through 11 PM MST this evening.
* IMPACTS...Excessive rainfall runoff may result in flash flooding of
normally dry washes, roadway dips and other low-lying areas.
* ADDITIONAL DETAILS...
- Scattered to numerous thunderstorms are expected this afternoon
into this evening. Rainfall rates in excess of 1 inch per hour
are expected, with the stronger storms capable of producing total
rainfall amounts between 1 to 3 inches.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
AZZ503-504-507>509-511>514-120600-
/O.CON.KTWC.FA.A.0008.260811T2100Z-260812T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Upper Santa Cruz River Valley/Altar Valley-Tucson Metro Area-
Upper San Pedro River Valley-Eastern Cochise County below
5000 feet-Upper Gila River Valley-Galiuro and Pinaleno Mountains-
Chiricahua Mountains-Dragoon and Mule and Huachuca and Santa Rita
Mountains-Catalina and Rincon Mountains-
Including the cities of Benson, Safford, Tucson, Vail,
Summerhaven, Marana, Clifton, Nogales, Chiricahua N.M., Canelo
Hills, Willcox, Mount Lemmon, Mount Graham, Green Valley, Sierra
Vista, Madera Canyon, Douglas, and Bisbee
1021 AM MST Tue Aug 11 2026
...FLOOD WATCH REMAINS IN EFFECT FROM 2 PM MST THIS AFTERNOON THROUGH
11 PM MST THIS EVENING...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Eastern Pima county including the Tucson Metro Area, Santa
Cruz, Cochise Counties and the valleys of Graham and Greenlee
Counties.
* WHEN...From 2 PM MST this afternoon through 11 PM MST this evening.
* IMPACTS...Excessive rainfall runoff may result in flash flooding of
normally dry washes, roadway dips and other low-lying areas.
* ADDITIONAL DETAILS...
- Scattered to numerous thunderstorms are expected this afternoon
into this evening. Rainfall rates in excess of 1 inch per hour
are expected, with the stronger storms capable of producing total
rainfall amounts between 1 to 3 inches.
- Http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
CWR
Action: Expired Issued At: 2026-08-12 00:55:37 335 WGUS65 KTWC 120555 FFATWC Flood Watch National Weather Service Tucson AZ 1055 PM MST Tue Aug 11 2026 AZZ502>509-511>515-120700- /O.EXP.KTWC.FA.A.0008.000000T0000Z-260812T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Tohono Oodham Nation-Upper Santa Cruz River Valley/Altar Valley- Tucson Metro Area-South Central Pinal County-Southeast Pinal County-Upper San Pedro River Valley-Eastern Cochise County below 5000 feet-Upper Gila River Valley-Galiuro and Pinaleno Mountains- Chiricahua Mountains-Dragoon and Mule and Huachuca and Santa Rita Mountains-Catalina and Rincon Mountains-Baboquivari Mountains- Including the cities of Summerhaven, Sierra Vista, Mammoth, Mount Lemmon, Douglas, Marana, Kitt Peak, Picacho Peak State Park, Safford, Chiricahua N.M., Mount Graham, Benson, Willcox, Oracle, Clifton, Madera Canyon, Bisbee, Green Valley, Canelo Hills, Nogales, Tucson, Vail, and Sells 1055 PM MST Tue Aug 11 2026 ...FLOOD WATCH WILL EXPIRE AT 11 PM MST THIS EVENING... The Flood Watch will expire for a portion of Southeast Arizona, including the following areas, Baboquivari Mountains, Catalina and Rincon Mountains, Chiricahua Mountains, Dragoon and Mule and Huachuca and Santa Rita Mountains, Eastern Cochise County below 5000 feet, Galiuro and Pinaleno Mountains, South Central Pinal County, Southeast Pinal County, Tohono Oodham Nation, Tucson Metro Area, Upper Gila River Valley, Upper San Pedro River Valley and Upper Santa Cruz River Valley/Altar Valley. Although scattered showers and isolated thunderstorms continue across parts of Cochise, Santa Cruz and far eastern Pima county, the threat of widespread flash flooding has ended. The flash flooding threat has ended. Therefore, the Flood Watch will expire at 11 PM MST this evening. $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||