Weather alerts in Colorado
70,307 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Alerts
- 70,307
- Warnings
- 31,194
- Watches
- 5,093
- Advisories
- 8,945
- Busiest year
- 20235,117 alerts
- Average year
- 1,715over 41 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- El Paso County7,328
- Kit Carson County6,676
- Las Animas County6,232
- Yuma County6,100
- Pueblo County5,927
- Cheyenne County5,498
- Weld County5,395
- Elbert County4,779
- Baca County4,747
- Washington County4,664
- Lincoln County4,556
- Kiowa County4,474
- Prowers County4,473
- Huerfano County4,308
- Bent County4,294
- Arapahoe County4,249
- Adams County4,149
- Logan County3,939
- Otero County3,899
- Morgan County3,793
- Garfield County3,685
- Douglas County3,592
- Crowley County3,570
- Larimer County3,532
- Mesa County3,481
- Fremont County3,466
- Saguache County3,177
- Phillips County3,132
- Jefferson County3,111
- Teller County3,095
- Boulder County3,005
- Rio Blanco County2,952
- Sedgwick County2,920
- San Miguel County2,821
- Moffat County2,780
- Montrose County2,771
- Denver County2,748
- Custer County2,736
- Costilla County2,713
- Montezuma County2,465
24 more counties
- Dolores County2,428
- La Plata County2,351
- Routt County2,321
- Delta County2,293
- Rio Grande County2,221
- Eagle County2,185
- Alamosa County2,158
- Conejos County2,150
- Broomfield County2,064
- Gunnison County2,028
- Chaffee County2,014
- Park County2,013
- Pitkin County1,957
- Gilpin County1,847
- Clear Creek County1,775
- Ouray County1,709
- Grand County1,643
- Archuleta County1,601
- Hinsdale County1,522
- Jackson County1,417
- Lake County1,351
- Mineral County1,304
- San Juan County1,227
- Summit County1,221
The latest warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 7:33 PM MDT | Flash Flood Warning | BOU | Arapahoe, Douglas | 79 min |
| Sep 22, 5:30 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 30 min |
| Sep 22, 1:38 PM MDT | Flash Flood Warning | GJT | Dolores | 2 hr |
| Sep 21, 12:28 AM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 19 min |
| Sep 21, 12:07 AM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 23 min |
| Sep 20, 11:39 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 51 min |
| Sep 20, 11:15 PM MDT | Severe Thunderstorm Warning | PUB | Pueblo | 11 min |
| Sep 20, 10:56 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Crowley, Kiowa, Otero | 49 min |
| Sep 20, 10:53 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 52 min |
| Sep 20, 10:51 PM MDT | Severe Thunderstorm Warning | PUB | Pueblo | 39 min |
| Sep 20, 10:50 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 25 min |
| Sep 20, 10:44 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 46 min |
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. Rebuilt daily.