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Home Return to list Areal Flood Watch 0005 Issued by the Denver / Boulder Forecast Office
Action: New Issued At: 2026-08-15 02:06:42
951
WGUS65 KBOU 150706
FFABOU
URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Denver CO
106 AM MDT Sat Aug 15 2026
COZ036-038>051-152015-
/O.NEW.KBOU.FA.A.0005.260815T2000Z-260816T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-Larimer County
Below 6000 Feet/Northwest Weld County-Boulder And Jefferson
Counties Below 6000 Feet/West Broomfield County-North Douglas
County Below 6000 Feet/Denver/West Adams and Arapahoe
Counties/East Broomfield County-Elbert/Central and East Douglas
Counties Above 6000 Feet-Northeast Weld County-Central and South
Weld County-Morgan County-Central and East Adams and Arapahoe
Counties-North and Northeast Elbert County Below 6000 Feet/North
Lincoln County-Southeast Elbert County Below 6000 Feet/South
Lincoln County-Logan County-Washington County-Sedgwick County-
Phillips County-
Including the cities of Bennett, Highlands Ranch, Last Chance,
Raymer, Sedgwick, Holyoke, Goodrich, Brighton, Boulder, Nunn, City of
Denver, Pawnee Buttes, Greeley, Roggen, Evergreen, Sterling, Punkin
Center, Fort Collins, Stoneham, Akron, Karval, Cope, Golden, Ovid,
Deer Trail, Lakewood, Aurora, Wiggins, Fondis, Kiowa, Briggsdale,
Loveland, Otis, Matheson, Arvada, Agate, Leader, Idaho Springs,
Peetz, Hugo, Kutch, Hereford, Georgetown, Larkspur, Crook, Amherst,
Haxtun, Longmont, Littleton, Eaton, Brush, Merino, Elbert, Westcreek,
Fort Morgan, Castle Rock, Parker, Central City, Grover, Fort Lupton,
Byers, Limon, Forder, Bailey, Denver International Airport, and
Julesburg
106 AM MDT Sat Aug 15 2026
...FLOOD WATCH IN EFFECT FROM THIS AFTERNOON THROUGH THIS EVENING...
* WHAT...Flash Flooding caused by excessive rainfall is possible.
* WHERE...Portions of central and northeast Colorado, including the
following areas; the southern Front Range Foothills, Palmer Divide
area, I-25 corridor, and all of our eastern plains counties.
* WHEN...From 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.
* ADDITIONAL DETAILS...
- Additional thunderstorms and heavy rainfall this afternoon,
combined with the heavy rainfall from the past 3 days, will bring
a threat for flash flooding this afternoon and evening. Stronger
storms will be capable of producing 1 to 2 inches of rain in 30
minutes, with isolated areas receiving storm totals of 3+ inches.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
$$
AP
Action: Continued Issued At: 2026-08-15 12:53:22
701
WGUS65 KBOU 151752
FFABOU
Flood Watch
National Weather Service Denver CO
1152 AM MDT Sat Aug 15 2026
COZ036-038>051-160400-
/O.CON.KBOU.FA.A.0005.260815T2000Z-260816T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-Larimer County
Below 6000 Feet/Northwest Weld County-Boulder And Jefferson
Counties Below 6000 Feet/West Broomfield County-North Douglas
County Below 6000 Feet/Denver/West Adams and Arapahoe
Counties/East Broomfield County-Elbert/Central and East Douglas
Counties Above 6000 Feet-Northeast Weld County-Central and South
Weld County-Morgan County-Central and East Adams and Arapahoe
Counties-North and Northeast Elbert County Below 6000 Feet/North
Lincoln County-Southeast Elbert County Below 6000 Feet/South
Lincoln County-Logan County-Washington County-Sedgwick County-
Phillips County-
Including the cities of Golden, Fort Collins, Longmont, Merino,
Aurora, Ovid, Limon, Parker, Bailey, Larkspur, Greeley, Byers, Hugo,
Cope, Brighton, Fondis, Idaho Springs, Goodrich, Loveland, Littleton,
Roggen, Nunn, Arvada, Hereford, Lakewood, Grover, Denver
International Airport, Pawnee Buttes, Eaton, Karval, Briggsdale,
Akron, Amherst, Highlands Ranch, Castle Rock, Agate, Georgetown,
Crook, Julesburg, Brush, Stoneham, Sterling, Central City, Wiggins,
Westcreek, Matheson, Raymer, Bennett, Deer Trail, Evergreen, Boulder,
Fort Lupton, Otis, Last Chance, Sedgwick, Haxtun, Forder, Elbert,
Kiowa, Punkin Center, Peetz, Holyoke, Fort Morgan, City of Denver,
Kutch, and Leader
1152 AM MDT Sat Aug 15 2026
...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING...
* WHAT...Flash Flooding caused by excessive rainfall is possible.
* WHERE...Portions of central and northeast Colorado, including the
following areas: the southern Front Range Foothills, Palmer Divide
area, I-25 corridor, and all of our eastern plains counties.
* WHEN...Until 10 PM MDT 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.
* ADDITIONAL DETAILS...
- Additional thunderstorms and heavy rainfall this afternoon,
combined with the heavy rainfall from the past 3 days, will bring
a threat for flash flooding this afternoon and evening. Stronger
storms will be capable of producing 1 to 2 inches of rain in 30
minutes, with isolated areas receiving storm totals of 2 to 4
inches.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
$$
MV
Action: Continued Issued At: 2026-08-15 20:18:35
816
WGUS65 KBOU 160117
FFABOU
Flood Watch
National Weather Service Denver CO
717 PM MDT Sat Aug 15 2026
COZ036-038>045-048-160230-
/O.CAN.KBOU.FA.A.0005.000000T0000Z-260816T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-Larimer County
Below 6000 Feet/Northwest Weld County-Boulder And Jefferson
Counties Below 6000 Feet/West Broomfield County-North Douglas
County Below 6000 Feet/Denver/West Adams and Arapahoe
Counties/East Broomfield County-Elbert/Central and East Douglas
Counties Above 6000 Feet-Northeast Weld County-Central and South
Weld County-Morgan County-Central and East Adams and Arapahoe
Counties-Logan County-
Including the cities of Evergreen, City of Denver, Castle Rock,
Briggsdale, Goodrich, Idaho Springs, Lakewood, Fort Lupton, Roggen,
Brush, Golden, Fondis, Parker, Bailey, Raymer, Pawnee Buttes, Elbert,
Leader, Central City, Loveland, Bennett, Merino, Highlands Ranch,
Greeley, Denver International Airport, Hereford, Aurora, Longmont,
Eaton, Brighton, Wiggins, Littleton, Stoneham, Westcreek, Fort
Morgan, Nunn, Larkspur, Crook, Kiowa, Byers, Grover, Fort Collins,
Georgetown, Peetz, Boulder, Sterling, Arvada, and Deer Trail
717 PM MDT Sat Aug 15 2026
...FLOOD WATCH IS CANCELLED...
The Flood Watch is cancelled for Weld, eastern Larimer, eastern
Boulder, Jefferson, Douglas, Denver, Adams, Arapahoe, western Elbert,
Morgan, and Logan Counties.
Flooding is no longer expected to pose a threat.
$$
COZ046-047-049>051-160400-
/O.CON.KBOU.FA.A.0005.000000T0000Z-260816T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-Southeast Elbert County Below 6000 Feet/South Lincoln
County-Washington County-Sedgwick County-Phillips County-
Including the cities of Agate, Holyoke, Ovid, Karval, Kutch, Akron,
Cope, Matheson, Sedgwick, Hugo, Julesburg, Last Chance, Otis,
Amherst, Limon, Haxtun, Punkin Center, and Forder
717 PM MDT Sat Aug 15 2026
...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of east central and northeast Colorado, including
eastern Elbert, Lincoln, Washington, Sedgwick, and Phillips
Counties.
* WHEN...Until 10 PM MDT this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- Additional thunderstorms and heavy rainfall this evening,
combined with the heavy rainfall from the past 3 days, will bring
a threat for flash flooding this afternoon and evening. Stronger
storms will be capable of producing 1 to 2 inches of rain in 30
minutes, with isolated areas receiving storm totals of 3+ inches.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
$$
20
Action: Cancelled Issued At: 2026-08-15 20:18:35
816
WGUS65 KBOU 160117
FFABOU
Flood Watch
National Weather Service Denver CO
717 PM MDT Sat Aug 15 2026
COZ036-038>045-048-160230-
/O.CAN.KBOU.FA.A.0005.000000T0000Z-260816T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-Larimer County
Below 6000 Feet/Northwest Weld County-Boulder And Jefferson
Counties Below 6000 Feet/West Broomfield County-North Douglas
County Below 6000 Feet/Denver/West Adams and Arapahoe
Counties/East Broomfield County-Elbert/Central and East Douglas
Counties Above 6000 Feet-Northeast Weld County-Central and South
Weld County-Morgan County-Central and East Adams and Arapahoe
Counties-Logan County-
Including the cities of Evergreen, City of Denver, Castle Rock,
Briggsdale, Goodrich, Idaho Springs, Lakewood, Fort Lupton, Roggen,
Brush, Golden, Fondis, Parker, Bailey, Raymer, Pawnee Buttes, Elbert,
Leader, Central City, Loveland, Bennett, Merino, Highlands Ranch,
Greeley, Denver International Airport, Hereford, Aurora, Longmont,
Eaton, Brighton, Wiggins, Littleton, Stoneham, Westcreek, Fort
Morgan, Nunn, Larkspur, Crook, Kiowa, Byers, Grover, Fort Collins,
Georgetown, Peetz, Boulder, Sterling, Arvada, and Deer Trail
717 PM MDT Sat Aug 15 2026
...FLOOD WATCH IS CANCELLED...
The Flood Watch is cancelled for Weld, eastern Larimer, eastern
Boulder, Jefferson, Douglas, Denver, Adams, Arapahoe, western Elbert,
Morgan, and Logan Counties.
Flooding is no longer expected to pose a threat.
$$
COZ046-047-049>051-160400-
/O.CON.KBOU.FA.A.0005.000000T0000Z-260816T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-Southeast Elbert County Below 6000 Feet/South Lincoln
County-Washington County-Sedgwick County-Phillips County-
Including the cities of Agate, Holyoke, Ovid, Karval, Kutch, Akron,
Cope, Matheson, Sedgwick, Hugo, Julesburg, Last Chance, Otis,
Amherst, Limon, Haxtun, Punkin Center, and Forder
717 PM MDT Sat Aug 15 2026
...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...Portions of east central and northeast Colorado, including
eastern Elbert, Lincoln, Washington, Sedgwick, and Phillips
Counties.
* WHEN...Until 10 PM MDT this evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- Additional thunderstorms and heavy rainfall this evening,
combined with the heavy rainfall from the past 3 days, will bring
a threat for flash flooding this afternoon and evening. Stronger
storms will be capable of producing 1 to 2 inches of rain in 30
minutes, with isolated areas receiving storm totals of 3+ inches.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
$$
20
Action: Cancelled Issued At: 2026-08-15 21:30:07 560 WGUS65 KBOU 160229 FFABOU Flood Watch National Weather Service Denver CO 829 PM MDT Sat Aug 15 2026 COZ046-047-049>051-160330- /O.CAN.KBOU.FA.A.0005.000000T0000Z-260816T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County-Southeast Elbert County Below 6000 Feet/South Lincoln County-Washington County-Sedgwick County-Phillips County- Including the cities of Agate, Holyoke, Ovid, Karval, Kutch, Akron, Cope, Matheson, Sedgwick, Hugo, Julesburg, Last Chance, Otis, Amherst, Limon, Haxtun, Punkin Center, and Forder 829 PM MDT Sat Aug 15 2026 ...FLOOD WATCH IS CANCELLED... The Flood Watch is cancelled for the remainder of northeast and east central Colorado, including the following areas; eastern Elbert, Lincoln, Washington, Sedgwick, and Phillips Counties. Additional heavy rain and flooding is no longer expected to pose a threat. $$ 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||