Alert archive / Utah / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Utah, 2025
100 severe thunderstorm 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in 2025. Tap one for its archive.
- Severe Thunderstorm Warnings
- 100
- Busiest month
- September44 severe thunderstorm warnings
- Busiest day
- September 12, 202527 severe thunderstorm 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 |
|---|---|---|---|---|
| May 11, 12:04 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 26 min |
| May 11, 12:29 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Tooele | 46 min |
| May 11, 12:56 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Tooele, Weber | 34 min |
| May 11, 12:59 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake, Tooele | 31 min |
| May 11, 1:09 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Cache | 36 min |
| May 11, 1:25 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Davis, Salt Lake, Weber | 35 min |
| May 11, 1:44 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Tooele | 31 min |
| May 11, 1:47 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Cache | 28 min |
| May 11, 1:54 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 16 min |
| May 11, 2:00 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Cache, Davis, Morgan, Rich, Salt Lake and 4 more | 45 min |
| May 11, 2:20 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Tooele | 55 min |
| May 11, 2:38 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake, Tooele, Utah | 37 min |
| May 11, 2:45 PM MDT | Severe Thunderstorm Warning | SLC | Cache, Morgan, Rich, Summit, Weber | 30 min |
| May 11, 3:14 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Davis, Morgan, Salt Lake, Tooele, Weber | 46 min |
| May 11, 3:27 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 33 min |
| May 11, 3:58 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Davis, Weber | 32 min |
| May 11, 5:23 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Davis, Tooele, Weber | 52 min |
| May 11, 5:37 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Cache, Davis, Morgan, Weber | 38 min |
| Jun 3, 1:42 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 48 min |
| Jun 3, 2:38 PM MDT | Severe Thunderstorm Warning | SLC | Washington | 37 min |
| Jun 3, 3:01 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 29 min |
| Jun 3, 3:24 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 36 min |
| Jun 6, 2:04 PM MDT | Severe Thunderstorm Warning | GJT | Grand | 26 min |
| Jun 6, 2:57 PM MDT | Severe Thunderstorm Warning | SLC | Carbon, Emery | 33 min |
| Jun 6, 4:09 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 17 min |
| Jul 2, 5:07 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake | 23 min |
| Jul 4, 3:38 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 37 min |
| Jul 4, 5:21 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Morgan, Salt Lake, Weber | 39 min |
| Jul 4, 5:55 PM MDT | Severe Thunderstorm Warning | SLC | Morgan, Rich, Summit, Weber | 50 min |
| Jul 4, 6:33 PM MDT | Severe Thunderstorm Warning | SLC | Morgan, Rich, Summit | 42 min |
| Jul 16, 12:37 PM MDT | Severe Thunderstorm Warning | GJT | Daggett, Uintah | 23 min |
| Jul 21, 8:13 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Cache, Weber | 32 min |
| Aug 14, 3:38 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Tooele | 52 min |
| Aug 14, 4:15 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 45 min |
| Aug 14, 4:30 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Tooele | 45 min |
| Aug 24, 8:16 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 44 min |
| Aug 24, 8:44 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 46 min |
| Aug 24, 9:09 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 36 min |
| Aug 25, 3:23 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 52 min |
| Aug 26, 3:07 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 23 min |
| Aug 26, 3:17 PM MDT | Severe Thunderstorm Warning | GJT | Grand, San Juan | 28 min |
| Aug 26, 3:23 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 11 min |
| Aug 26, 4:13 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 32 min |
| Sep 6, 3:56 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 34 min |
| Sep 7, 3:49 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 26 min |
| Sep 7, 4:15 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 30 min |
| Sep 7, 8:34 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 26 min |
| Sep 8, 10:56 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 49 min |
| Sep 8, 11:31 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 32 min |
| Sep 12, 6:28 AM MDT | Severe Thunderstorm Warning | SLC | Garfield, Kane | 32 min |
| Sep 12, 6:55 AM MDT | Severe Thunderstorm Warning | SLC | Garfield | 35 min |
| Sep 12, 7:16 AM MDT | Severe Thunderstorm Warning | SLC | Emery, Wayne | 44 min |
| Sep 12, 7:57 AM MDT | Severe Thunderstorm Warning | SLC | Emery, Wayne | 33 min |
| Sep 12, 8:05 AM MDT | Severe Thunderstorm Warning | GJT | Grand | 40 min |
| Sep 12, 8:42 AM MDT | Severe Thunderstorm Warning | GJT | Grand | 33 min |
| Sep 12, 8:53 AM MDT | Severe Thunderstorm Warning | SLC | Emery, Wayne | 37 min |
| Sep 12, 9:02 AM MDT | Severe Thunderstorm Warning | GJT | Grand, San Juan | 43 min |
| Sep 12, 9:12 AM MDT | Severe Thunderstorm Warning | GJT | Grand | 33 min |
| Sep 12, 9:44 AM MDT | Severe Thunderstorm Warning | GJT | Grand | 31 min |
| Sep 12, 9:44 AM MDT | Severe Thunderstorm Warning | GJT | Grand, Uintah | 31 min |
| Sep 12, 10:15 AM MDT | Severe Thunderstorm Warning | GJT | Grand, Uintah | 30 min |
| Sep 12, 10:23 AM MDT | Severe Thunderstorm Warning | GJT | Grand | 37 min |
| Sep 12, 10:52 AM MDT | Severe Thunderstorm Warning | GJT | Grand | 23 min |
| Sep 12, 11:09 AM MDT | Severe Thunderstorm Warning | GJT | San Juan | 36 min |
| Sep 12, 11:12 AM MDT | Severe Thunderstorm Warning | GJT | Grand | 33 min |
| Sep 12, 11:21 AM MDT | Severe Thunderstorm Warning | GJT | Grand, San Juan | 24 min |
| Sep 12, 12:18 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 27 min |
| Sep 12, 12:30 PM MDT | Severe Thunderstorm Warning | GJT | Grand | 30 min |
| Sep 12, 12:32 PM MDT | Severe Thunderstorm Warning | GJT | Grand | 15 min |
| Sep 12, 12:51 PM MDT | Severe Thunderstorm Warning | GJT | Grand, San Juan | 24 min |
| Sep 12, 12:55 PM MDT | Severe Thunderstorm Warning | GJT | Grand | 35 min |
| Sep 12, 1:02 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 28 min |
| Sep 12, 1:20 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 11 min |
| Sep 12, 1:42 PM MDT | Severe Thunderstorm Warning | GJT | Grand | 33 min |
| Sep 12, 2:05 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 15 min |
| Sep 12, 2:28 PM MDT | Severe Thunderstorm Warning | GJT | Grand | 32 min |
| Sep 12, 6:36 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 24 min |
| Sep 13, 7:07 AM MDT | Severe Thunderstorm Warning | GJT | Grand | 23 min |
| Sep 13, 12:42 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 33 min |
| Sep 13, 12:52 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 38 min |
| Sep 13, 1:02 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 28 min |
| Sep 13, 1:54 PM MDT | Severe Thunderstorm Warning | GJT | Grand, San Juan | 18 min |
| Sep 16, 2:03 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 27 min |
| Sep 16, 2:31 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 44 min |
| Sep 16, 3:50 PM MDT | Severe Thunderstorm Warning | GJT | Grand, Uintah | 25 min |
| Sep 21, 3:46 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 44 min |
| Sep 21, 4:03 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 42 min |
| Oct 9, 3:18 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 42 min |
| Oct 10, 4:43 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 47 min |
| Oct 10, 5:22 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 23 min |
| Oct 10, 6:15 PM MDT | Severe Thunderstorm Warning | SLC | Washington | 30 min |
| Oct 10, 6:41 PM MDT | Severe Thunderstorm Warning | SLC | Washington | 49 min |
| Oct 11, 4:14 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 31 min |
| Oct 11, 4:43 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 32 min |
| Oct 11, 5:13 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, Kane, San Juan | 62 min |
| Oct 11, 6:05 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, Kane, San Juan | 25 min |
| Oct 11, 6:28 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, Kane, San Juan | 17 min |
| Oct 11, 6:34 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 41 min |
| Oct 11, 7:59 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 46 min |
| Oct 13, 1:27 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 33 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- San Juan County25
- Grand County22
- Box Elder County21
- Tooele County17
- Weber County11
- Davis County10
- Uintah County9
- Kane County9
- Salt Lake County7
- Morgan County7
- Emery County7
- Cache County6
- Garfield County5
- Rich County4
- Summit County4
- Washington County3
- Wayne County3
- Utah County2
- Wasatch County1
- Carbon County1
- Daggett 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. Rebuilt daily.