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Home Return to list Flash Flood Watch 0004 Issued by the Boise Forecast Office
Action: New Issued At: 2026-08-13 10:12:14
210
WGUS65 KBOI 131511
FFABOI
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Boise ID
911 AM MDT Thu Aug 13 2026
IDZ013-142100-
/O.NEW.KBOI.FF.A.0004.260814T1800Z-260815T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boise Mountains-
Including the cities of Anderson Dam, Prairie, and Pine
911 AM MDT Thu Aug 13 2026
...FLASH FLOOD WATCH FOR THE WAPITI BURN AREA IN EFFECT FROM FRIDAY
AFTERNOON THROUGH FRIDAY EVENING...
* WHAT...Flash flooding and debris flows caused by excessive rainfall
are possible over the Wapiti Burn Area.
* WHERE...A portion of southwest Idaho, including the following area,
Boise Mountains.
* WHEN...From Friday afternoon through Friday evening.
* IMPACTS...Heavy rainfall over the Wapiti Burn Area is expected up
to and during the period of the watch. Residents near the Wapiti
Burn Area should prepare for potential debris flow. Be sure to stay
up to date with information from local authorities. Heavy rainfall
could trigger flash flooding or debris flows in and near recent
wildfire burn scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall over the Wapiti Burn Area, which may lead to flash
flooding and debris flows.
- Some locations that may experience flash flooding include...
Grandjean.
- https://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.
Local emergency services are monitoring the situation and will issue
a public statement as conditions warrant. PLAN NOW so you will know
what to do in an emergency. Keep informed by listening to local radio
and television for statements and possible warnings. Follow the
advice of public safety officials.
&&
$$
JDS
Action: Time Extended Issued At: 2026-08-13 10:38:16
817
WGUS65 KBOI 131537
FFABOI
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Boise ID
937 AM MDT Thu Aug 13 2026
IDZ013-142100-
/O.EXT.KBOI.FF.A.0004.260814T1800Z-260816T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boise Mountains-
Including the cities of Anderson Dam, Prairie, and Pine
937 AM MDT Thu Aug 13 2026
...FLASH FLOOD WATCH FOR THE WAPITI BURN AREA NOW IN EFFECT FROM
FRIDAY AFTERNOON THROUGH SATURDAY EVENING...
* WHAT...Flash flooding and debris flows caused by excessive rainfall
continue to be possible over the Wapiti Burn Area.
* WHERE...A portion of southwest Idaho, including the following area,
Boise Mountains.
* WHEN...From Friday afternoon through Saturday evening.
* IMPACTS...Heavy rainfall over the Wapiti Burn Area is expected up
to and during the period of the watch. Residents near the Wapiti
Burn Area should prepare for potential debris flow. Be sure to stay
up to date with information from local authorities. Heavy rainfall
could trigger flash flooding or debris flows in and near recent
wildfire burn scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall over the Wapiti Burn Area, which may lead to flash
flooding and debris flows.
- Some locations that may experience flash flooding include...
Grandjean.
- https://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
Local emergency services are monitoring the situation and will issue
a public statement as conditions warrant. PLAN NOW so you will know
what to do in an emergency. Keep informed by listening to local radio
and television for statements and possible warnings. Follow the
advice of public safety officials.
&&
$$
JDS
Action: Time and Area Extended Issued At: 2026-08-14 09:29:44
111
WGUS65 KBOI 141429
FFABOI
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Boise ID
829 AM MDT Fri Aug 14 2026
IDZ011-ORZ062-150200-
/O.EXB.KBOI.FF.A.0004.260814T1800Z-260815T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
West Central Mountains-Baker County-
Including the cities of Bear, Cuprum, Baker, Big Creek, Warm Lake,
Ola, Cascade, and McCall
829 AM MDT Fri Aug 14 2026 /729 AM PDT Fri Aug 14 2026/
...FLASH FLOOD WATCH FOR THE FOX, POWDER RIVER AND TARTAR BURN SCARS
IN EFFECT FROM NOON MDT /11 AM PDT/ TODAY TO 8 PM MDT /7 PM PDT/ THIS
EVENING...
* WHAT...Flash flooding and debris flows caused by excessive rainfall
continue to be possible over the Fox, Powder River and Tartar Burn
Scars.
* WHERE...Portions of southeastern Baker County in Oregon and western
Washington County in Idaho.
* WHEN...From noon MDT /11 AM PDT/ today to 8 PM MDT /7 PM PDT/
this evening.
* IMPACTS...Heavy rainfall over the Fox, Powder River and Tartar Burn
Scars is expected up to and during the period of the watch.
Residents near the Fox, Powder River and Tartar Burn Scars should
prepare for potential debris flow. Be sure to stay up to date with
information from local authorities. Heavy rainfall could trigger
flash flooding or debris flows in and near recent wildfire burn
scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall over the burn scar, which may lead to flash flooding and
debris flows.
- Some locations that may experience flash flooding include...
Henley Basin, McChord Butte, Sweedes Landing, Lime, Dixie, Indian
Head Mountain and Sheep Mountain.
- https://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.
Local emergency services are monitoring the situation and will issue
a public statement as conditions warrant. PLAN NOW so you will know
what to do in an emergency. Keep informed by listening to local radio
and television for statements and possible warnings. Follow the
advice of public safety officials.
&&
$$
IDZ013-150200-
/O.CON.KBOI.FF.A.0004.260814T1800Z-260816T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boise Mountains-
Including the cities of Anderson Dam, Pine, and Prairie
829 AM MDT Fri Aug 14 2026
...FLASH FLOOD WATCH FOR THE WAPITI BURN AREA REMAINS IN EFFECT FROM
NOON MDT TODAY THROUGH SATURDAY EVENING...
* WHAT...Flash flooding and debris flows caused by excessive rainfall
continue to be possible over the Wapiti Burn Area.
* WHERE...A portion of southwest Idaho, including the following area,
Boise Mountains.
* WHEN...From noon MDT today through Saturday evening.
* IMPACTS...Heavy rainfall over the Wapiti Burn Area is expected up
to and during the period of the watch. Residents near the Wapiti
Burn Area should prepare for potential debris flow. Be sure to stay
up to date with information from local authorities. Heavy rainfall
could trigger flash flooding or debris flows in and near recent
wildfire burn scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall over the Wapiti Burn Area, which may lead to flash
flooding and debris flows.
- Some locations that may experience flash flooding include...
Grandjean.
- https://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
Local emergency services are monitoring the situation and will issue
a public statement as conditions warrant. PLAN NOW so you will know
what to do in an emergency. Keep informed by listening to local radio
and television for statements and possible warnings. Follow the
advice of public safety officials.
&&
$$
JDS
Action: Continued Issued At: 2026-08-14 09:29:44
111
WGUS65 KBOI 141429
FFABOI
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Boise ID
829 AM MDT Fri Aug 14 2026
IDZ011-ORZ062-150200-
/O.EXB.KBOI.FF.A.0004.260814T1800Z-260815T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
West Central Mountains-Baker County-
Including the cities of Bear, Cuprum, Baker, Big Creek, Warm Lake,
Ola, Cascade, and McCall
829 AM MDT Fri Aug 14 2026 /729 AM PDT Fri Aug 14 2026/
...FLASH FLOOD WATCH FOR THE FOX, POWDER RIVER AND TARTAR BURN SCARS
IN EFFECT FROM NOON MDT /11 AM PDT/ TODAY TO 8 PM MDT /7 PM PDT/ THIS
EVENING...
* WHAT...Flash flooding and debris flows caused by excessive rainfall
continue to be possible over the Fox, Powder River and Tartar Burn
Scars.
* WHERE...Portions of southeastern Baker County in Oregon and western
Washington County in Idaho.
* WHEN...From noon MDT /11 AM PDT/ today to 8 PM MDT /7 PM PDT/
this evening.
* IMPACTS...Heavy rainfall over the Fox, Powder River and Tartar Burn
Scars is expected up to and during the period of the watch.
Residents near the Fox, Powder River and Tartar Burn Scars should
prepare for potential debris flow. Be sure to stay up to date with
information from local authorities. Heavy rainfall could trigger
flash flooding or debris flows in and near recent wildfire burn
scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall over the burn scar, which may lead to flash flooding and
debris flows.
- Some locations that may experience flash flooding include...
Henley Basin, McChord Butte, Sweedes Landing, Lime, Dixie, Indian
Head Mountain and Sheep Mountain.
- https://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.
Local emergency services are monitoring the situation and will issue
a public statement as conditions warrant. PLAN NOW so you will know
what to do in an emergency. Keep informed by listening to local radio
and television for statements and possible warnings. Follow the
advice of public safety officials.
&&
$$
IDZ013-150200-
/O.CON.KBOI.FF.A.0004.260814T1800Z-260816T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boise Mountains-
Including the cities of Anderson Dam, Pine, and Prairie
829 AM MDT Fri Aug 14 2026
...FLASH FLOOD WATCH FOR THE WAPITI BURN AREA REMAINS IN EFFECT FROM
NOON MDT TODAY THROUGH SATURDAY EVENING...
* WHAT...Flash flooding and debris flows caused by excessive rainfall
continue to be possible over the Wapiti Burn Area.
* WHERE...A portion of southwest Idaho, including the following area,
Boise Mountains.
* WHEN...From noon MDT today through Saturday evening.
* IMPACTS...Heavy rainfall over the Wapiti Burn Area is expected up
to and during the period of the watch. Residents near the Wapiti
Burn Area should prepare for potential debris flow. Be sure to stay
up to date with information from local authorities. Heavy rainfall
could trigger flash flooding or debris flows in and near recent
wildfire burn scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall over the Wapiti Burn Area, which may lead to flash
flooding and debris flows.
- Some locations that may experience flash flooding include...
Grandjean.
- https://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
Local emergency services are monitoring the situation and will issue
a public statement as conditions warrant. PLAN NOW so you will know
what to do in an emergency. Keep informed by listening to local radio
and television for statements and possible warnings. Follow the
advice of public safety officials.
&&
$$
JDS
Action: Continued Issued At: 2026-08-15 00:05:10
341
WGUS65 KBOI 150504
FFABOI
Flood Watch
National Weather Service Boise ID
1104 PM MDT Fri Aug 14 2026
IDZ013-152100-
/O.CON.KBOI.FF.A.0004.000000T0000Z-260816T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boise Mountains-
Including the cities of Pine, Prairie, and Anderson Dam
1104 PM MDT Fri Aug 14 2026
...FLASH FLOOD WATCH FOR THE WAPITI BURN AREA REMAINS IN EFFECT
THROUGH SATURDAY EVENING...
* WHAT...Flash flooding and debris flows caused by excessive rainfall
continue to be possible over the Wapiti Burn Area.
* WHERE...A portion of southwest Idaho, including the following area,
Boise Mountains.
* WHEN...Through Saturday evening.
* IMPACTS...Heavy rainfall over the Wapiti Burn Area is expected up
to and during the period of the watch. Residents near the Wapiti
Burn Area should prepare for potential debris flow. Be sure to stay
up to date with information from local authorities. Heavy rainfall
could trigger flash flooding or debris flows in and near recent
wildfire burn scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall over the Wapiti Burn Area, which may lead to flash
flooding and debris flows.
- Some locations that may experience flash flooding include...
Grandjean.
- https://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.
Local emergency services are monitoring the situation and will issue
a public statement as conditions warrant. PLAN NOW so you will know
what to do in an emergency. Keep informed by listening to local radio
and television for statements and possible warnings. Follow the
advice of public safety officials.
&&
$$
LC
Action: Continued Issued At: 2026-08-15 13:38:23
119
WGUS65 KBOI 151838
FFABOI
Flood Watch
National Weather Service Boise ID
1238 PM MDT Sat Aug 15 2026
IDZ013-160300-
/O.CON.KBOI.FF.A.0004.000000T0000Z-260816T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boise Mountains-
Including the cities of Anderson Dam, Pine, and Prairie
1238 PM MDT Sat Aug 15 2026
...FLASH FLOOD WATCH FOR THE WAPITI BURN AREA REMAINS IN EFFECT UNTIL
9 PM MDT THIS EVENING...
* WHAT...Flash flooding and debris flows caused by excessive rainfall
continue to be possible over the Wapiti Burn Area.
* WHERE...A portion of southwest Idaho, including the following area,
Boise Mountains.
* WHEN...Until 9 PM MDT this evening.
* IMPACTS...Heavy rainfall over the Wapiti Burn Area is possible
during the period of the watch. Residents near the Wapiti Burn Area
should prepare for potential debris flow. Be sure to stay up to
date with information from local authorities. Heavy rainfall could
trigger flash flooding or debris flows in and near recent wildfire
burn scars.
* ADDITIONAL DETAILS...
- National Weather Service Meteorologists are forecasting heavy
rainfall over the Wapiti Burn Area, which may lead to flash
flooding and debris flows.
- Some locations that may experience flash flooding include...
Grandjean.
- https://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
Local emergency services are monitoring the situation and will issue
a public statement as conditions warrant. PLAN NOW so you will know
what to do in an emergency. Keep informed by listening to local radio
and television for statements and possible warnings. Follow the
advice of public safety officials.
&&
$$
JDS
Action: Expired Issued At: 2026-08-15 21:55:38 033 WGUS65 KBOI 160255 FFABOI Flood Watch National Weather Service Boise ID 855 PM MDT Sat Aug 15 2026 IDZ013-160400- /O.EXP.KBOI.FF.A.0004.000000T0000Z-260816T0300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Boise Mountains- Including the cities of Anderson Dam, Pine, and Prairie 855 PM MDT Sat Aug 15 2026 ...FLASH FLOOD WATCH FOR THE WAPITI BURN AREA WILL EXPIRE AT 9 PM MDT THIS EVENING... The Flash Flood Watch for the Wapiti Burn Area will expire for a portion of southwest Idaho, including the following area, Boise Mountains. The flash flooding threat has ended. Therefore, the Flash Flood Watch will expire at 9 PM MDT this evening. $$ LC | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||