Severe Thunderstorm Watches in Colorado
819 severe thunderstorm watches since 1986. 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 severe thunderstorm watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Severe Thunderstorm Watches
- 819
- Busiest year
- 202347 severe thunderstorm watches
- Average year
- 27over 30 years on file
Over time
By year
Watches are counted from 1997, when the Storm Prediction Center archive begins.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kit Carson County404
- Yuma County396
- Cheyenne County389
- Washington County349
- Prowers County332
- Logan County329
- Phillips County325
- Sedgwick County324
- Kiowa County323
- Lincoln County314
- Baca County310
- Bent County306
- Morgan County276
- Crowley County272
- Otero County267
- Elbert County254
- Las Animas County233
- Weld County222
- Pueblo County205
- Arapahoe County204
- El Paso County203
- Adams County200
- Douglas County143
- Denver County128
- Huerfano County116
- Broomfield County93
- Larimer County77
- Jefferson County71
- Boulder County69
- Teller County69
- Custer County39
- Fremont County38
- Rio Blanco County21
- Moffat County20
- Mesa County19
- Garfield County18
- Montrose County17
- Dolores County17
- San Miguel County17
- Gilpin County16
24 more counties
- Delta County15
- Montezuma County15
- Costilla County14
- Ouray County11
- Routt County11
- Clear Creek County11
- Park County11
- San Juan County9
- La Plata County9
- Hinsdale County6
- Gunnison County6
- Pitkin County6
- Grand County6
- Jackson County6
- Summit County6
- Conejos County5
- Saguache County5
- Eagle County5
- Alamosa County4
- Archuleta County4
- Mineral County4
- Rio Grande County4
- Chaffee County4
- Lake County4
The latest severe thunderstorm watches
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 9:01 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Bent, Cheyenne, Crowley, Denver and 9 more | 5 hr |
| Sep 20, 3:41 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kiowa, Kit Carson, Prowers | 5 hr |
| Sep 19, 3:28 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson | 6 hr |
| Sep 5, 5:01 PM MDT | Severe Thunderstorm Watch | SPC | Logan, Phillips, Sedgwick | 4 hr |
| Aug 26, 3:53 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Bent, Boulder, Broomfield, Cheyenne and 21 more | 6 hr |
| Aug 21, 8:13 PM MDT | Severe Thunderstorm Watch | SPC | Kit Carson, Logan, Phillips, Sedgwick, Washington, Yuma | 3 hr |
| Aug 16, 2:06 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 19 more | 7 hr |
| Aug 15, 2:04 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Baca, Bent, Crowley, Douglas and 12 more | 7 hr |
| Aug 12, 2:32 PM MDT | Severe Thunderstorm Watch | SPC | Logan, Morgan, Phillips, Sedgwick, Washington, Yuma | 6 hr |
| Aug 10, 3:44 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson, Lincoln, Logan, Phillips, Sedgwick and 2 more | 5 hr |
| Aug 9, 10:06 PM MDT | Severe Thunderstorm Watch | SPC | Kit Carson, Yuma | 3 hr |
| Aug 9, 6:05 PM MDT | Severe Thunderstorm Watch | SPC | Logan, Phillips, Sedgwick | 5 hr |
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.