Alert archive / Wyoming / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Wyoming, 2016
227 severe thunderstorm warnings in 2016. 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 2016. Tap one for its archive.
- Severe Thunderstorm Warnings
- 227
- Busiest month
- July73 severe thunderstorm warnings
- Busiest day
- June 12, 201619 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 |
|---|---|---|---|---|
| Apr 14, 1:35 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 40 min |
| Apr 25, 5:14 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 28 min |
| Apr 25, 5:24 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 31 min |
| Apr 25, 7:35 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 40 min |
| May 6, 7:42 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 63 min |
| May 7, 4:16 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 46 min |
| May 8, 8:02 PM MDT | Severe Thunderstorm Warning | RIW | Teton | 28 min |
| May 8, 8:16 PM MDT | Severe Thunderstorm Warning | RIW | Teton | 18 min |
| May 9, 4:23 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs, Washakie | 37 min |
| May 9, 11:28 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 32 min |
| May 20, 3:29 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 31 min |
| May 20, 4:26 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 34 min |
| May 21, 5:21 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 39 min |
| May 21, 5:57 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 63 min |
| May 21, 6:37 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 53 min |
| May 21, 6:44 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 61 min |
| May 21, 6:56 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 64 min |
| May 21, 7:43 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 62 min |
| May 21, 7:57 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Weston | 63 min |
| May 24, 3:48 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 42 min |
| May 24, 4:02 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 28 min |
| May 24, 7:57 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 33 min |
| May 24, 8:04 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 45 min |
| May 25, 2:11 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 34 min |
| May 30, 12:41 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 10 min |
| May 30, 12:55 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 20 min |
| Jun 6, 4:24 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie | 36 min |
| Jun 7, 5:07 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 26 min |
| Jun 7, 5:48 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 26 min |
| Jun 8, 4:49 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 42 min |
| Jun 9, 4:11 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn | 49 min |
| Jun 9, 5:47 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 43 min |
| Jun 11, 6:18 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 12 min |
| Jun 11, 6:46 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 29 min |
| Jun 12, 1:38 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 52 min |
| Jun 12, 1:45 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 45 min |
| Jun 12, 2:17 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 43 min |
| Jun 12, 2:20 PM MDT | Severe Thunderstorm Warning | RIW | Sweetwater | 40 min |
| Jun 12, 2:51 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Platte | 24 min |
| Jun 12, 2:53 PM MDT | Severe Thunderstorm Warning | RIW | Sweetwater | 52 min |
| Jun 12, 3:11 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Converse, Platte | 49 min |
| Jun 12, 3:33 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 12 min |
| Jun 12, 3:35 PM MDT | Severe Thunderstorm Warning | RIW | Lincoln | 40 min |
| Jun 12, 3:37 PM MDT | Severe Thunderstorm Warning | RIW | Sweetwater | 8 min |
| Jun 12, 3:44 PM MDT | Severe Thunderstorm Warning | CYS | Carbon | 46 min |
| Jun 12, 3:46 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 13 min |
| Jun 12, 4:53 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 21 min |
| Jun 12, 4:57 PM MDT | Severe Thunderstorm Warning | SLC | Uinta | 33 min |
| Jun 12, 5:26 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 34 min |
| Jun 12, 5:40 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 35 min |
| Jun 12, 5:47 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 43 min |
| Jun 12, 6:02 PM MDT | Severe Thunderstorm Warning | RIW | Lincoln | 43 min |
| Jun 12, 6:13 PM MDT | Severe Thunderstorm Warning | RIW | Fremont, Hot Springs | 47 min |
| Jun 12, 6:35 PM MDT | Severe Thunderstorm Warning | RIW | Lincoln | 20 min |
| Jun 12, 7:38 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 37 min |
| Jun 12, 8:11 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 49 min |
| Jun 13, 12:21 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 54 min |
| Jun 13, 12:37 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 38 min |
| Jun 13, 1:05 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 40 min |
| Jun 13, 1:28 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 47 min |
| Jun 13, 2:10 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 30 min |
| Jun 13, 2:43 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 18 min |
| Jun 13, 6:07 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 38 min |
| Jun 17, 5:47 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 27 min |
| Jun 17, 7:50 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 55 min |
| Jun 17, 7:56 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 64 min |
| Jun 18, 1:02 AM MDT | Severe Thunderstorm Warning | CYS | Platte | 43 min |
| Jun 18, 1:45 AM MDT | Severe Thunderstorm Warning | CYS | Platte | 30 min |
| Jun 18, 2:51 AM MDT | Severe Thunderstorm Warning | UNR | Crook | 54 min |
| Jun 18, 3:36 AM MDT | Severe Thunderstorm Warning | UNR | Crook | 54 min |
| Jun 23, 6:02 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 43 min |
| Jun 23, 8:45 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 45 min |
| Jun 24, 5:04 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 41 min |
| Jun 24, 5:11 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie | 34 min |
| Jun 24, 5:54 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 36 min |
| Jun 27, 6:25 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 36 min |
| Jun 28, 1:24 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 66 min |
| Jun 28, 2:05 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 55 min |
| Jun 28, 2:37 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 68 min |
| Jun 28, 2:53 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 67 min |
| Jun 28, 3:35 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 31 min |
| Jun 28, 3:58 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 38 min |
| Jun 28, 4:01 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Platte | 44 min |
| Jun 28, 4:02 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 58 min |
| Jun 28, 4:31 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 28 min |
| Jun 28, 4:34 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 28 min |
| Jun 28, 4:59 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 26 min |
| Jun 28, 5:04 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 26 min |
| Jun 28, 5:22 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 38 min |
| Jun 28, 6:00 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 45 min |
| Jun 28, 6:05 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 25 min |
| Jun 28, 6:46 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 59 min |
| Jun 29, 3:24 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 36 min |
| Jun 29, 3:55 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 50 min |
| Jun 29, 7:06 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara, Platte | 39 min |
| Jun 29, 7:45 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 45 min |
| Jul 1, 6:00 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 60 min |
| Jul 3, 5:07 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Carbon | 38 min |
| Jul 4, 4:51 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 54 min |
| Jul 6, 2:31 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 59 min |
| Jul 6, 2:41 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 64 min |
| Jul 6, 3:29 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 61 min |
| Jul 6, 3:47 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 28 min |
| Jul 6, 3:53 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 67 min |
| Jul 6, 7:04 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 41 min |
| Jul 8, 3:58 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 47 min |
| Jul 8, 11:28 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 31 min |
| Jul 10, 12:55 PM MDT | Severe Thunderstorm Warning | RIW | Lincoln, Sublette, Teton | 24 min |
| Jul 10, 2:34 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 56 min |
| Jul 16, 2:41 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 64 min |
| Jul 16, 3:08 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 67 min |
| Jul 16, 3:15 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 60 min |
| Jul 16, 3:31 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 48 min |
| Jul 16, 3:43 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 32 min |
| Jul 16, 3:53 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 52 min |
| Jul 16, 3:58 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 47 min |
| Jul 16, 4:17 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 43 min |
| Jul 16, 4:21 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 39 min |
| Jul 16, 4:50 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 40 min |
| Jul 17, 2:11 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie | 48 min |
| Jul 17, 2:58 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 62 min |
| Jul 17, 3:56 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 64 min |
| Jul 17, 6:25 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 65 min |
| Jul 18, 3:25 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 65 min |
| Jul 18, 3:58 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 43 min |
| Jul 18, 4:16 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 59 min |
| Jul 18, 6:00 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 37 min |
| Jul 22, 4:34 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 26 min |
| Jul 24, 1:33 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 57 min |
| Jul 24, 2:46 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 59 min |
| Jul 24, 3:15 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 34 min |
| Jul 26, 3:57 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 63 min |
| Jul 26, 4:08 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 18 min |
| Jul 26, 4:51 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 39 min |
| Jul 26, 5:26 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 34 min |
| Jul 27, 3:34 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 26 min |
| Jul 27, 3:52 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 38 min |
| Jul 27, 4:18 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 27 min |
| Jul 27, 4:38 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 52 min |
| Jul 27, 5:06 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 24 min |
| Jul 27, 5:14 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 46 min |
| Jul 27, 5:24 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 51 min |
| Jul 27, 6:08 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Weston | 46 min |
| Jul 27, 6:25 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 50 min |
| Jul 27, 6:59 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 46 min |
| Jul 27, 9:08 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 37 min |
| Jul 27, 9:37 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 38 min |
| Jul 27, 10:15 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 19 min |
| Jul 27, 10:31 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 29 min |
| Jul 28, 8:10 AM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara | 35 min |
| Jul 28, 4:13 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie | 32 min |
| Jul 28, 4:54 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 51 min |
| Jul 29, 1:39 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Platte | 51 min |
| Jul 29, 2:12 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 48 min |
| Jul 29, 2:32 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 43 min |
| Jul 29, 2:47 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 28 min |
| Jul 29, 3:13 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 47 min |
| Jul 29, 3:33 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 27 min |
| Jul 29, 3:38 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 41 min |
| Jul 29, 3:57 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 30 min |
| Jul 29, 3:59 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 46 min |
| Jul 29, 4:13 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara | 20 min |
| Jul 29, 4:42 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 33 min |
| Jul 30, 4:51 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 54 min |
| Jul 30, 5:49 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 56 min |
| Jul 30, 7:07 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 38 min |
| Jul 30, 7:38 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 67 min |
| Jul 30, 7:58 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 30 min |
| Jul 30, 9:18 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 27 min |
| Jul 31, 10:45 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 27 min |
| Aug 2, 1:33 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Goshen, Laramie, Platte | 27 min |
| Aug 2, 3:34 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 18 min |
| Aug 2, 3:47 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 58 min |
| Aug 2, 5:17 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 43 min |
| Aug 2, 5:58 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 77 min |
| Aug 2, 7:01 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 44 min |
| Aug 3, 10:03 AM MDT | Severe Thunderstorm Warning | RIW | Fremont | 27 min |
| Aug 3, 2:30 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 45 min |
| Aug 7, 10:57 AM MDT | Severe Thunderstorm Warning | RIW | Teton | 48 min |
| Aug 7, 12:01 PM MDT | Severe Thunderstorm Warning | RIW | Lincoln, Sublette | 44 min |
| Aug 7, 1:19 PM MDT | Severe Thunderstorm Warning | RIW | Lincoln, Teton | 41 min |
| Aug 7, 4:15 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 30 min |
| Aug 7, 5:13 PM MDT | Severe Thunderstorm Warning | SLC | Uinta | 32 min |
| Aug 7, 5:34 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 56 min |
| Aug 7, 5:50 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 36 min |
| Aug 7, 6:50 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 40 min |
| Aug 7, 7:47 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 28 min |
| Aug 7, 8:21 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 24 min |
| Aug 7, 10:28 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 62 min |
| Aug 8, 2:10 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs, Washakie | 50 min |
| Aug 8, 3:58 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 62 min |
| Aug 8, 4:04 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 19 min |
| Aug 8, 4:55 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 34 min |
| Aug 8, 5:18 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 42 min |
| Aug 9, 3:59 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 40 min |
| Aug 10, 6:55 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 36 min |
| Aug 10, 7:12 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Weston | 63 min |
| Aug 10, 8:04 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 35 min |
| Aug 11, 5:32 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara | 43 min |
| Aug 26, 2:18 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 29 min |
| Aug 26, 2:44 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 46 min |
| Aug 26, 3:28 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 32 min |
| Sep 1, 4:48 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 57 min |
| Sep 1, 6:16 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 44 min |
| Sep 1, 6:56 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 47 min |
| Sep 1, 7:50 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 55 min |
| Sep 1, 7:59 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 61 min |
| Sep 4, 1:42 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 48 min |
| Sep 4, 1:55 PM MDT | Severe Thunderstorm Warning | RIW | Fremont, Sweetwater | 50 min |
| Sep 4, 2:36 PM MDT | Severe Thunderstorm Warning | RIW | Fremont, Sweetwater | 24 min |
| Sep 4, 2:59 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 46 min |
| Sep 4, 3:25 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 20 min |
| Sep 4, 4:17 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 28 min |
| Sep 4, 4:43 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 62 min |
| Sep 5, 1:52 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 53 min |
| Sep 5, 2:41 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 64 min |
| Sep 6, 6:04 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 26 min |
| Sep 6, 6:28 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 32 min |
| Sep 14, 4:42 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 48 min |
| Sep 14, 5:41 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 64 min |
| Sep 23, 4:08 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara, Platte | 52 min |
| Sep 23, 5:01 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara | 44 min |
| Oct 2, 7:07 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 53 min |
| Oct 2, 7:55 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 65 min |
| Oct 2, 8:42 PM MDT | Severe Thunderstorm Warning | SLC | Uinta | 48 min |
| Oct 2, 9:25 PM MDT | Severe Thunderstorm Warning | SLC | Uinta | 23 min |
| Oct 3, 12:56 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 64 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Laramie County46
- Goshen County36
- Campbell County34
- Platte County24
- Weston County23
- Niobrara County22
- Crook County21
- Converse County14
- Fremont County13
- Natrona County9
- Sheridan County9
- Albany County9
- Johnson County7
- Lincoln County6
- Teton County5
- Hot Springs County5
- Sweetwater County5
- Uinta County4
- Washakie County2
- Carbon County2
- Sublette County2
- Big Horn County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20152017
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.