Alert archive / Colorado / Severe Thunderstorm Watches
Severe Thunderstorm Watches in Colorado, 2026
38 severe thunderstorm watches in 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 severe thunderstorm watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Severe Thunderstorm Watches
- 38
- Busiest month
- June14 severe thunderstorm watches
- Busiest day
- August 10, 20263 severe thunderstorm watches
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 |
|---|---|---|---|---|
| May 16, 3:05 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Elbert, Kit Carson, Lincoln, Logan, Morgan and 4 more | 6 hr |
| May 17, 3:58 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson, Yuma | 3 hr |
| May 21, 1:19 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Las Animas, Otero, Prowers | 8 hr |
| May 21, 2:55 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Elbert, Kit Carson, Lincoln, Logan, Morgan and 2 more | 7 hr |
| May 30, 2:13 PM MDT | Severe Thunderstorm Watch | SPC | Logan, Morgan, Phillips, Sedgwick, Washington, Weld and 1 more | 7 hr |
| Jun 1, 12:52 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Baca, Boulder, Broomfield, Cheyenne and 18 more | 7 hr |
| Jun 9, 1:54 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Cheyenne, Crowley, Kiowa, Kit Carson and 4 more | 7 hr |
| Jun 12, 4:39 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Las Animas, Prowers | 8 hr |
| Jun 20, 2:34 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Crowley, Kiowa, Otero, Prowers | 6 hr |
| Jun 21, 12:46 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson, Lincoln, Phillips, Sedgwick, Washington and 1 more | 7 hr |
| Jun 21, 5:07 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Kiowa, Prowers | 7 hr |
| Jun 22, 1:30 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Cheyenne, Crowley, Elbert, El Paso and 12 more | 10 hr |
| Jun 23, 4:39 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Boulder, Broomfield, Cheyenne, Crowley and 18 more | 10 hr |
| Jun 23, 10:38 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Bent, Cheyenne, Kiowa, Kit Carson, Prowers and 1 more | 6 hr |
| Jun 24, 2:57 PM MDT | Severe Thunderstorm Watch | SPC | Crowley, El Paso, Huerfano, Las Animas, Otero, Pueblo and 1 more | 7 hr |
| Jun 24, 6:05 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson, Yuma | 7 hr |
| Jun 26, 2:37 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 17 more | 9 hr |
| Jun 27, 3:14 PM MDT | Severe Thunderstorm Watch | SPC | Phillips, Sedgwick | 7 hr |
| Jun 30, 2:52 PM MDT | Severe Thunderstorm Watch | SPC | Baca, Prowers | 6 hr |
| Jun 30, 7:10 PM MDT | Severe Thunderstorm Watch | SPC | Logan, Phillips, Sedgwick | 7 hr |
| Jul 2, 4:23 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson, Washington, Yuma | 9 hr |
| Jul 4, 12:38 AM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson, Lincoln, Yuma | 5 hr |
| Jul 8, 1:27 PM MDT | Severe Thunderstorm Watch | SPC | Bent, Cheyenne, Crowley, Elbert, Kiowa, Kit Carson and 10 more | 7 hr |
| Jul 9, 3:42 PM MDT | Severe Thunderstorm Watch | SPC | Bent, Cheyenne, Kiowa, Kit Carson, Lincoln, Logan and 5 more | 6 hr |
| Jul 28, 1:07 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Bent, Cheyenne, Douglas, Elbert and 11 more | 9 hr |
| Aug 6, 8:06 PM MDT | Severe Thunderstorm Watch | SPC | Baca | 7 hr |
| Aug 9, 6:05 PM MDT | Severe Thunderstorm Watch | SPC | Logan, Phillips, Sedgwick | 5 hr |
| Aug 9, 10:06 PM MDT | Severe Thunderstorm Watch | SPC | Kit Carson, Yuma | 3 hr |
| Aug 10, 3:44 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson, Lincoln, Logan, Phillips, Sedgwick and 2 more | 5 hr |
| Aug 12, 2:32 PM MDT | Severe Thunderstorm Watch | SPC | Logan, Morgan, Phillips, Sedgwick, Washington, Yuma | 6 hr |
| Aug 15, 2:04 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Baca, Bent, Crowley, Douglas and 12 more | 7 hr |
| Aug 16, 2:06 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 19 more | 7 hr |
| Aug 21, 8:13 PM MDT | Severe Thunderstorm Watch | SPC | Kit Carson, Logan, Phillips, Sedgwick, Washington, Yuma | 3 hr |
| Aug 26, 3:53 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Bent, Boulder, Broomfield, Cheyenne and 21 more | 6 hr |
| Sep 5, 5:01 PM MDT | Severe Thunderstorm Watch | SPC | Logan, Phillips, Sedgwick | 4 hr |
| Sep 19, 3:28 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kit Carson | 6 hr |
| Sep 20, 3:41 PM MDT | Severe Thunderstorm Watch | SPC | Cheyenne, Kiowa, Kit Carson, Prowers | 5 hr |
| Sep 20, 9:01 PM MDT | Severe Thunderstorm Watch | SPC | Adams, Arapahoe, Bent, Cheyenne, Crowley, Denver and 9 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kit Carson County24
- Cheyenne County22
- Yuma County22
- Logan County18
- Washington County18
- Phillips County17
- Sedgwick County17
- Prowers County17
- Lincoln County16
- Kiowa County16
- Bent County15
- Baca County13
- Elbert County12
- Morgan County12
- Otero County12
- Crowley County11
- Las Animas County10
- Weld County9
- El Paso County9
- Adams County8
- Arapahoe County8
- Pueblo County8
- Douglas County7
- Denver County6
- Teller County4
- Boulder County3
- Broomfield County3
- Jefferson County3
- Larimer County3
- Huerfano County3
- Costilla County1
- Custer County1
- Fremont County1
The busiest days
Days with the most alerts issued, by UTC date.
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.