Alert archive / Colorado / Extreme Cold Warnings
Extreme Cold Warnings in Colorado, 2025
9 extreme cold warnings in 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 extreme cold warnings reaches back to 2005.
Extreme Cold Warnings by county
Each county as a circle sized by its count in 2025. Tap one for its archive.
- Extreme Cold Warnings
- 9
- Busiest month
- January6 extreme cold warnings
- Busiest day
- January 20, 20254 extreme cold warnings
Over time
By month
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 |
|---|---|---|---|---|
| Jan 18, 3:52 AM MST | Extreme Cold Warning | PUB | Chaffee, Lake, Saguache | 31 hr |
| Jan 19, 12:50 PM MST | Extreme Cold Warning | GLD | Yuma | 21 hr |
| Jan 20, 2:06 AM MST | Extreme Cold Warning | GJT | Archuleta, Delta, Dolores, Eagle, Garfield, Gunnison and 12 more | 33 hr |
| Jan 20, 2:46 AM MST | Extreme Cold Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 30 hr |
| Jan 20, 3:14 AM MST | Extreme Cold Warning | PUB | Alamosa, Baca, Bent, Chaffee, Conejos, Costilla and 15 more | 31 hr |
| Jan 20, 12:21 PM MST | Extreme Cold Warning | GLD | Cheyenne, Kit Carson, Yuma | 22 hr |
| Feb 17, 1:45 AM MST | Extreme Cold Warning | GLD | Cheyenne, Kit Carson, Yuma | 3 days |
| Feb 17, 2:58 AM MST | Extreme Cold Warning | BOU | Phillips, Sedgwick | 3 days |
| Feb 17, 1:15 PM MST | Extreme Cold Warning | PUB | Baca, Bent, Kiowa, Prowers | 70 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Yuma County3
- Chaffee County2
- Lake County2
- Saguache County2
- Baca County2
- Bent County2
- Kiowa County2
- Prowers County2
- Cheyenne County2
- Kit Carson County2
- Archuleta County1
- Delta County1
- Dolores County1
- Eagle County1
- Garfield County1
- Gunnison County1
- Hinsdale County1
- La Plata County1
- Mesa County1
- Moffat County1
- Montezuma County1
- Montrose County1
- Ouray County1
- Pitkin County1
- Rio Blanco County1
- Routt County1
- San Juan County1
- San Miguel County1
- Boulder County1
- Clear Creek County1
- Gilpin County1
- Grand County1
- Jackson County1
- Jefferson County1
- Larimer County1
- Park County1
- Summit County1
- Alamosa County1
- Conejos County1
- Costilla County1
The busiest days
Days with the most alerts issued, by UTC date.
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.