Alert archive / Colorado / Red Flag Warnings / 2026
Red Flag Warnings in Colorado, August 2026
9 red flag warnings in August 2026. 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 2026. Tap one for its archive.
- Red Flag Warnings
- 9
- Busiest day
- August 3, 20263 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 2, 10:10 PM MDT | Red Flag Warning | GJT | Dolores, La Plata, Montezuma, San Miguel | 22 hr |
| Aug 3, 11:55 AM MDT | Red Flag Warning | BOU | Grand, Jackson, Summit | 31 hr |
| Aug 3, 12:01 PM MDT | Red Flag Warning | GJT | Dolores, Eagle, Garfield, La Plata, Mesa, Moffat and 5 more | 31 hr |
| Aug 4, 12:19 PM MDT | Red Flag Warning | GJT | Delta, Eagle, Garfield, Gunnison, Hinsdale, Mesa and 1 more | 32 hr |
| Aug 4, 12:20 PM MDT | Red Flag Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Larimer and 2 more | 31 hr |
| Aug 4, 12:33 PM MDT | Red Flag Warning | PUB | Chaffee, Lake | 30 hr |
| Aug 5, 12:39 PM MDT | Red Flag Warning | PUB | Chaffee, Conejos, Lake, Mineral, Rio Grande, Saguache | 30 hr |
| Aug 5, 9:41 PM MDT | Red Flag Warning | GJT | Delta, Gunnison, Hinsdale, Montrose, Ouray | 22 hr |
| Aug 6, 12:55 PM MDT | Red Flag Warning | PUB | Fremont, Pueblo | 31 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Dolores County2
- La Plata County2
- Montezuma County2
- San Miguel County2
- Grand County2
- Jackson County2
- Summit County2
- Eagle County2
- Garfield County2
- Mesa County2
- Pitkin County2
- Delta County2
- Gunnison County2
- Hinsdale County2
- Chaffee County2
- Lake County2
- Moffat County1
- Rio Blanco County1
- Routt County1
- Boulder County1
- Clear Creek County1
- Gilpin County1
- Larimer County1
- Park County1
- Conejos County1
- Mineral County1
- Rio Grande County1
- Saguache County1
- Montrose County1
- Ouray County1
- Fremont County1
- Pueblo County1
Nearby
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.