Alert archive / Colorado / Red Flag Warnings / 2025
Red Flag Warnings in Colorado, August 2025
21 red flag warnings in August 2025. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of red flag warnings reaches back to 2005.
Red Flag Warnings by county
Each county as a circle sized by its count in August 2025. Tap one for its archive.
- Red Flag Warnings
- 21
- Busiest day
- August 4, 20254 red flag warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 3:33 AM MDT | Red Flag Warning | GJT | Moffat, Rio Blanco | 15 hr |
| Aug 1, 1:22 PM MDT | Red Flag Warning | GJT | Dolores, Garfield, La Plata, Mesa, Moffat, Montezuma and 3 more | 30 hr |
| Aug 3, 1:18 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Eagle, Garfield, Gunnison, Hinsdale and 9 more | 32 hr |
| Aug 4, 1:48 AM MDT | Red Flag Warning | GJT | Delta, Dolores, Eagle, Garfield, Gunnison, Hinsdale and 9 more | 42 hr |
| Aug 4, 1:33 PM MDT | Red Flag Warning | GJT | Garfield, Mesa, Moffat, Montrose, Rio Blanco, Routt and 1 more | 54 hr |
| Aug 4, 2:09 PM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Larimer and 2 more | 30 hr |
| Aug 4, 2:52 PM MDT | Red Flag Warning | PUB | Chaffee, Lake | 29 hr |
| Aug 5, 2:04 PM MDT | Red Flag Warning | BOU | Boulder, Grand, Jackson, Larimer, Summit | 30 hr |
| Aug 5, 2:25 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Eagle, Garfield, Gunnison, Hinsdale and 10 more | 54 hr |
| Aug 5, 2:25 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Eagle, Garfield, Gunnison, Hinsdale and 10 more | 3 days |
| Aug 6, 3:14 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Fremont, Lake and 2 more | 41 hr |
| Aug 6, 2:47 PM MDT | Red Flag Warning | BOU | Grand, Jackson, Park, Summit | 29 hr |
| Aug 7, 3:15 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Fremont, Lake and 2 more | 41 hr |
| Aug 7, 9:07 AM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 35 hr |
| Aug 7, 1:21 PM MDT | Red Flag Warning | GJT | Delta, Dolores, Eagle, Garfield, Gunnison, Hinsdale and 10 more | 55 hr |
| Aug 8, 1:22 AM MDT | Red Flag Warning | PUB | Alamosa, Chaffee, Conejos, Costilla, Lake, Rio Grande and 1 more | 43 hr |
| Aug 10, 2:13 AM MDT | Red Flag Warning | GJT | Dolores, La Plata, Montezuma, San Miguel | 19 hr |
| Aug 12, 2:12 PM MDT | Red Flag Warning | GJT | Eagle, Garfield, Mesa, Moffat, Pitkin, Rio Blanco and 1 more | 30 hr |
| Aug 13, 1:05 PM MDT | Red Flag Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 31 hr |
| Aug 13, 2:41 PM MDT | Red Flag Warning | PUB | Chaffee, Conejos, Costilla, Custer, Fremont, Huerfano and 6 more | 29 hr |
| Aug 13, 2:50 PM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 29 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Moffat County10
- Rio Blanco County10
- Garfield County9
- Mesa County9
- San Miguel County9
- Dolores County8
- Montezuma County8
- Montrose County8
- Routt County8
- Eagle County7
- Pitkin County7
- La Plata County6
- Delta County6
- Gunnison County6
- Hinsdale County6
- Ouray County6
- Grand County5
- Jackson County5
- Summit County5
- Chaffee County5
- Lake County5
- Boulder County4
- Larimer County4
- Park County4
- Conejos County4
- Costilla County4
- Rio Grande County4
- Saguache County4
- Clear Creek County3
- Gilpin County3
- Alamosa County3
- Fremont County3
- Douglas County2
- Jefferson County2
- Archuleta County1
- San Juan County1
- Custer County1
- Huerfano County1
- Las Animas County1
- Mineral County1
1 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.