Alert archive / Colorado / Severe Thunderstorm Warnings / 2025
Severe Thunderstorm Warnings in Colorado, September 2025
108 severe thunderstorm warnings in September 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in September 2025. Tap one for its archive.
- Severe Thunderstorm Warnings
- 108
- Busiest day
- September 18, 202518 severe thunderstorm 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 |
|---|---|---|---|---|
| Sep 7, 3:49 PM MDT | Severe Thunderstorm Warning | GJT | Garfield | 26 min |
| Sep 7, 4:15 PM MDT | Severe Thunderstorm Warning | GJT | Garfield | 30 min |
| Sep 7, 4:31 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Bent, Prowers | 44 min |
| Sep 7, 5:12 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Prowers | 48 min |
| Sep 7, 5:46 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Prowers | 44 min |
| Sep 7, 5:57 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 17 min |
| Sep 7, 6:22 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 38 min |
| Sep 7, 6:24 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Las Animas | 19 min |
| Sep 7, 8:34 PM MDT | Severe Thunderstorm Warning | GJT | Rio Blanco | 26 min |
| Sep 9, 1:44 AM MDT | Severe Thunderstorm Warning | PUB | Baca | 31 min |
| Sep 9, 3:27 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 63 min |
| Sep 9, 3:33 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 42 min |
| Sep 9, 3:54 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 51 min |
| Sep 9, 4:22 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Prowers | 38 min |
| Sep 9, 4:28 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 47 min |
| Sep 9, 4:42 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 63 min |
| Sep 9, 5:00 PM MDT | Severe Thunderstorm Warning | GJT | Mesa | 30 min |
| Sep 9, 5:00 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Bent, Prowers | 45 min |
| Sep 9, 5:38 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Phillips | 52 min |
| Sep 9, 5:42 PM MDT | Severe Thunderstorm Warning | PUB | Baca, Prowers | 48 min |
| Sep 9, 5:53 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 67 min |
| Sep 9, 6:06 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 54 min |
| Sep 9, 6:15 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 75 min |
| Sep 9, 6:19 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 41 min |
| Sep 9, 6:26 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 19 min |
| Sep 9, 7:05 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 55 min |
| Sep 9, 8:52 PM MDT | Severe Thunderstorm Warning | PUB | Bent, Crowley, Kiowa, Otero | 23 min |
| Sep 9, 9:54 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 36 min |
| Sep 9, 10:12 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 33 min |
| Sep 9, 10:21 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 39 min |
| Sep 9, 10:29 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 46 min |
| Sep 9, 10:57 PM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 33 min |
| Sep 9, 11:05 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 40 min |
| Sep 10, 2:34 PM MDT | Severe Thunderstorm Warning | PUB | Conejos, Costilla | 26 min |
| Sep 10, 3:58 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 32 min |
| Sep 10, 5:03 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, Otero, Pueblo | 27 min |
| Sep 11, 12:45 PM MDT | Severe Thunderstorm Warning | GJT | Delta, Gunnison, Pitkin | 30 min |
| Sep 11, 3:21 PM MDT | Severe Thunderstorm Warning | GJT | La Plata | 39 min |
| Sep 11, 3:48 PM MDT | Severe Thunderstorm Warning | GJT | La Plata | 42 min |
| Sep 11, 4:53 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 37 min |
| Sep 11, 6:15 PM MDT | Severe Thunderstorm Warning | GJT | Dolores, Montezuma, San Miguel | 30 min |
| Sep 12, 9:44 AM MDT | Severe Thunderstorm Warning | GJT | Garfield, Mesa | 31 min |
| Sep 12, 9:51 AM MDT | Severe Thunderstorm Warning | GJT | Dolores, La Plata, Montezuma, San Juan, San Miguel | 24 min |
| Sep 12, 10:12 AM MDT | Severe Thunderstorm Warning | GJT | Hinsdale, La Plata, Ouray, San Juan | 33 min |
| Sep 12, 10:15 AM MDT | Severe Thunderstorm Warning | GJT | Garfield, Mesa, Rio Blanco | 30 min |
| Sep 12, 10:43 AM MDT | Severe Thunderstorm Warning | GJT | Hinsdale, Ouray, San Juan | 47 min |
| Sep 12, 10:45 AM MDT | Severe Thunderstorm Warning | GJT | Garfield, Rio Blanco | 30 min |
| Sep 12, 10:52 AM MDT | Severe Thunderstorm Warning | GJT | Garfield, Mesa | 23 min |
| Sep 12, 11:09 AM MDT | Severe Thunderstorm Warning | GJT | Montezuma | 36 min |
| Sep 12, 11:12 AM MDT | Severe Thunderstorm Warning | GJT | Garfield, Mesa | 33 min |
| Sep 12, 2:28 PM MDT | Severe Thunderstorm Warning | GJT | Mesa | 32 min |
| Sep 12, 2:44 PM MDT | Severe Thunderstorm Warning | GJT | Mesa | 31 min |
| Sep 12, 3:09 PM MDT | Severe Thunderstorm Warning | GJT | Garfield, Mesa | 36 min |
| Sep 12, 3:36 PM MDT | Severe Thunderstorm Warning | GJT | Garfield, Mesa, Rio Blanco | 24 min |
| Sep 13, 11:46 AM MDT | Severe Thunderstorm Warning | GJT | Mesa | 29 min |
| Sep 13, 12:32 PM MDT | Severe Thunderstorm Warning | GJT | Mesa | 28 min |
| Sep 13, 1:02 PM MDT | Severe Thunderstorm Warning | GJT | Dolores, San Miguel | 28 min |
| Sep 13, 1:14 PM MDT | Severe Thunderstorm Warning | PUB | Saguache | 31 min |
| Sep 13, 1:34 PM MDT | Severe Thunderstorm Warning | GJT | Mesa | 41 min |
| Sep 13, 1:44 PM MDT | Severe Thunderstorm Warning | PUB | Saguache | 13 min |
| Sep 13, 1:58 PM MDT | Severe Thunderstorm Warning | GJT | Mesa, Montrose | 32 min |
| Sep 13, 2:38 PM MDT | Severe Thunderstorm Warning | GJT | Dolores, Montezuma | 39 min |
| Sep 16, 3:50 PM MDT | Severe Thunderstorm Warning | GJT | Garfield | 25 min |
| Sep 16, 4:35 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 25 min |
| Sep 16, 5:06 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Washington | 39 min |
| Sep 16, 5:28 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 47 min |
| Sep 16, 6:05 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 40 min |
| Sep 16, 6:10 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 50 min |
| Sep 16, 6:19 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 41 min |
| Sep 16, 7:15 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 45 min |
| Sep 17, 3:01 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 44 min |
| Sep 17, 3:02 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 28 min |
| Sep 17, 3:28 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 32 min |
| Sep 17, 3:43 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 47 min |
| Sep 17, 3:57 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 33 min |
| Sep 17, 3:57 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 48 min |
| Sep 17, 3:58 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 17 min |
| Sep 17, 4:28 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 32 min |
| Sep 17, 4:33 PM MDT | Severe Thunderstorm Warning | PUB | Teller | 42 min |
| Sep 17, 5:22 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 23 min |
| Sep 17, 5:37 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 23 min |
| Sep 17, 5:56 PM MDT | Severe Thunderstorm Warning | PUB | El Paso | 34 min |
| Sep 17, 6:26 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Pueblo | 34 min |
| Sep 17, 6:42 PM MDT | Severe Thunderstorm Warning | PUB | Pueblo | 15 min |
| Sep 17, 6:48 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Teller | 42 min |
| Sep 17, 6:51 PM MDT | Severe Thunderstorm Warning | PUB | Huerfano, Las Animas, Pueblo | 11 min |
| Sep 17, 6:52 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Pueblo | 23 min |
| Sep 17, 6:59 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 31 min |
| Sep 17, 7:11 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, El Paso, Pueblo | 34 min |
| Sep 17, 7:30 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Fremont, Pueblo | 30 min |
| Sep 17, 7:36 PM MDT | Severe Thunderstorm Warning | PUB | Crowley | 24 min |
| Sep 17, 7:38 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Fremont, Teller | 37 min |
| Sep 17, 7:56 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, Otero | 49 min |
| Sep 17, 8:36 PM MDT | Severe Thunderstorm Warning | PUB | Fremont, Teller | 24 min |
| Sep 17, 8:42 PM MDT | Severe Thunderstorm Warning | PUB | Crowley, Otero | 48 min |
| Sep 17, 8:49 PM MDT | Severe Thunderstorm Warning | PUB | Prowers | 26 min |
| Sep 17, 9:01 PM MDT | Severe Thunderstorm Warning | PUB | El Paso, Fremont, Teller | 29 min |
| Sep 17, 10:53 PM MDT | Severe Thunderstorm Warning | PUB | Fremont | 37 min |
| Sep 17, 11:20 PM MDT | Severe Thunderstorm Warning | PUB | Fremont | 25 min |
| Sep 17, 11:42 PM MDT | Severe Thunderstorm Warning | PUB | Fremont | 33 min |
| Sep 20, 2:16 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 44 min |
| Sep 20, 6:55 PM MDT | Severe Thunderstorm Warning | PUB | Las Animas | 36 min |
| Sep 20, 9:40 PM MDT | Severe Thunderstorm Warning | PUB | Baca | 22 min |
| Sep 22, 4:15 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 30 min |
| Sep 22, 4:39 PM MDT | Severe Thunderstorm Warning | GJT | Rio Blanco | 36 min |
| Sep 22, 7:02 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 43 min |
| Sep 22, 7:45 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 30 min |
| Sep 22, 8:14 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 31 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Mesa County13
- Las Animas County12
- Baca County11
- El Paso County11
- Garfield County10
- Kit Carson County9
- Prowers County8
- Cheyenne County8
- Yuma County7
- Pueblo County7
- Fremont County7
- Crowley County6
- Rio Blanco County5
- Teller County5
- Bent County4
- Otero County4
- La Plata County4
- Dolores County4
- Montezuma County4
- Kiowa County3
- San Miguel County3
- San Juan County3
- Logan County2
- Phillips County2
- Hinsdale County2
- Ouray County2
- Saguache County2
- Adams County2
- Arapahoe County2
- Washington County2
- Conejos County1
- Costilla County1
- Delta County1
- Gunnison County1
- Pitkin County1
- Weld County1
- Montrose County1
- Huerfano County1
- Elbert County1
- Lincoln County1
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.