Alert archive / Wyoming / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Wyoming, 2020
228 severe thunderstorm warnings in 2020. 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 2020. Tap one for its archive.
- Severe Thunderstorm Warnings
- 228
- Busiest month
- June91 severe thunderstorm warnings
- Busiest day
- June 6, 202029 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 3, 3:34 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 41 min |
| May 3, 5:19 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 41 min |
| May 19, 7:03 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 27 min |
| May 20, 2:53 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 52 min |
| May 20, 4:05 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 40 min |
| May 20, 4:47 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 58 min |
| May 20, 4:53 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 52 min |
| May 20, 5:42 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 48 min |
| May 20, 5:45 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 45 min |
| May 20, 6:17 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 43 min |
| May 23, 1:04 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 41 min |
| May 23, 1:42 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 48 min |
| May 23, 2:11 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 31 min |
| May 23, 3:15 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 45 min |
| May 23, 3:35 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 40 min |
| May 29, 7:35 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 40 min |
| May 29, 8:14 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Converse, Platte | 46 min |
| May 29, 9:02 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 43 min |
| May 30, 4:40 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 20 min |
| May 30, 4:57 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 29 min |
| May 30, 5:18 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 28 min |
| May 30, 6:15 PM MDT | Severe Thunderstorm Warning | RIW | Johnson, Washakie | 30 min |
| May 30, 6:38 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 47 min |
| May 30, 6:58 PM MDT | Severe Thunderstorm Warning | RIW | Washakie | 24 min |
| May 30, 7:19 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 26 min |
| May 31, 3:45 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 25 min |
| May 31, 4:41 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 30 min |
| Jun 2, 4:58 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 32 min |
| Jun 2, 5:28 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 32 min |
| Jun 2, 5:57 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 33 min |
| Jun 2, 6:28 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 32 min |
| Jun 2, 6:59 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 46 min |
| Jun 2, 7:28 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 17 min |
| Jun 2, 8:19 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 41 min |
| Jun 2, 8:34 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara | 26 min |
| Jun 2, 8:59 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 31 min |
| Jun 3, 3:22 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 38 min |
| Jun 3, 3:27 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 33 min |
| Jun 3, 3:40 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 35 min |
| Jun 3, 4:42 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 33 min |
| Jun 4, 4:11 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 64 min |
| Jun 4, 5:06 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 54 min |
| Jun 4, 5:59 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 76 min |
| Jun 4, 6:48 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook, Weston | 57 min |
| Jun 4, 6:51 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 54 min |
| Jun 4, 7:43 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 77 min |
| Jun 5, 4:21 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 24 min |
| Jun 5, 4:43 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 17 min |
| Jun 5, 5:00 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 12 min |
| Jun 5, 5:32 PM MDT | Severe Thunderstorm Warning | SLC | Uinta | 73 min |
| Jun 5, 6:17 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 28 min |
| Jun 5, 6:44 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 31 min |
| Jun 5, 7:12 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 33 min |
| Jun 6, 12:56 AM MDT | Severe Thunderstorm Warning | RIW | Fremont | 61 min |
| Jun 6, 1:46 AM MDT | Severe Thunderstorm Warning | RIW | Hot Springs, Johnson, Natrona, Washakie | 74 min |
| Jun 6, 12:52 PM MDT | Severe Thunderstorm Warning | RIW | Sweetwater | 53 min |
| Jun 6, 1:26 PM MDT | Severe Thunderstorm Warning | RIW | Sweetwater | 64 min |
| Jun 6, 1:28 PM MDT | Severe Thunderstorm Warning | CYS | Carbon | 62 min |
| Jun 6, 2:09 PM MDT | Severe Thunderstorm Warning | CYS | Carbon | 66 min |
| Jun 6, 2:10 PM MDT | Severe Thunderstorm Warning | RIW | Sweetwater | 50 min |
| Jun 6, 2:29 PM MDT | Severe Thunderstorm Warning | CYS | Carbon | 31 min |
| Jun 6, 2:32 PM MDT | Severe Thunderstorm Warning | RIW | Fremont, Natrona | 58 min |
| Jun 6, 2:53 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Carbon | 67 min |
| Jun 6, 3:14 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 61 min |
| Jun 6, 3:34 PM MDT | Severe Thunderstorm Warning | RIW | Fremont, Natrona | 56 min |
| Jun 6, 3:40 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Converse, Platte | 65 min |
| Jun 6, 3:53 PM MDT | Severe Thunderstorm Warning | RIW | Johnson, Natrona | 37 min |
| Jun 6, 3:59 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs, Washakie | 46 min |
| Jun 6, 4:08 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 52 min |
| Jun 6, 4:23 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 37 min |
| Jun 6, 4:29 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook, Weston | 61 min |
| Jun 6, 4:35 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 25 min |
| Jun 6, 4:39 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Goshen, Niobrara, Platte | 51 min |
| Jun 6, 4:56 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 49 min |
| Jun 6, 5:02 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Johnson | 30 min |
| Jun 6, 5:09 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook, Weston | 66 min |
| Jun 6, 5:14 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara | 31 min |
| Jun 6, 5:32 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 43 min |
| Jun 6, 5:42 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara | 33 min |
| Jun 6, 6:09 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 36 min |
| Jun 6, 6:40 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 65 min |
| Jun 7, 11:53 AM MDT | Severe Thunderstorm Warning | SLC | Uinta | 37 min |
| Jun 7, 12:25 PM MDT | Severe Thunderstorm Warning | RIW | Lincoln | 33 min |
| Jun 7, 12:27 PM MDT | Severe Thunderstorm Warning | SLC | Uinta | 16 min |
| Jun 7, 2:42 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 33 min |
| Jun 7, 4:58 PM MDT | Severe Thunderstorm Warning | CYS | Carbon | 32 min |
| Jun 7, 5:10 PM MDT | Severe Thunderstorm Warning | CYS | Carbon | 35 min |
| Jun 7, 5:28 PM MDT | Severe Thunderstorm Warning | CYS | Carbon | 32 min |
| Jun 7, 6:16 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 14 min |
| Jun 13, 3:41 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 29 min |
| Jun 13, 5:13 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 27 min |
| Jun 19, 5:09 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 63 min |
| Jun 19, 5:23 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 37 min |
| Jun 21, 4:04 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 41 min |
| Jun 25, 1:27 PM MDT | Severe Thunderstorm Warning | RIW | Johnson, Natrona | 48 min |
| Jun 25, 2:02 PM MDT | Severe Thunderstorm Warning | RIW | Sweetwater | 28 min |
| Jun 25, 3:39 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 36 min |
| Jun 25, 5:43 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 25 min |
| Jun 26, 2:30 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie | 60 min |
| Jun 26, 3:28 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 47 min |
| Jun 26, 4:07 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 38 min |
| Jun 26, 4:43 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 47 min |
| Jun 26, 5:10 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 21 min |
| Jun 28, 1:39 PM MDT | Severe Thunderstorm Warning | RIW | Johnson, Natrona | 51 min |
| Jun 28, 1:56 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 64 min |
| Jun 28, 2:16 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 59 min |
| Jun 28, 2:54 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 66 min |
| Jun 28, 3:58 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 62 min |
| Jun 28, 4:05 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 40 min |
| Jun 28, 4:35 PM MDT | Severe Thunderstorm Warning | RIW | Johnson, Natrona, Washakie | 40 min |
| Jun 28, 4:38 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 37 min |
| Jun 28, 4:46 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 59 min |
| Jun 28, 5:01 PM MDT | Severe Thunderstorm Warning | RIW | Johnson, Natrona | 44 min |
| Jun 28, 7:32 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Hot Springs, Washakie | 43 min |
| Jun 29, 5:53 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 26 min |
| Jun 29, 8:40 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 35 min |
| Jun 29, 10:54 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 66 min |
| Jun 29, 11:39 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 66 min |
| Jul 2, 1:20 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 28 min |
| Jul 2, 2:35 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 31 min |
| Jul 3, 3:29 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 50 min |
| Jul 3, 6:11 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 30 min |
| Jul 3, 6:39 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 51 min |
| Jul 4, 2:53 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs, Washakie | 22 min |
| Jul 4, 3:11 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Hot Springs, Washakie | 34 min |
| Jul 4, 4:35 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 25 min |
| Jul 4, 5:07 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 38 min |
| Jul 5, 3:45 PM MDT | Severe Thunderstorm Warning | RIW | Johnson, Natrona | 45 min |
| Jul 5, 4:43 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 18 min |
| Jul 5, 4:56 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 49 min |
| Jul 5, 5:39 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 51 min |
| Jul 5, 6:06 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 54 min |
| Jul 5, 6:28 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Weston | 35 min |
| Jul 5, 7:01 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 59 min |
| Jul 5, 7:14 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 61 min |
| Jul 5, 7:20 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 55 min |
| Jul 5, 7:57 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 63 min |
| Jul 5, 8:10 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 65 min |
| Jul 6, 4:34 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 56 min |
| Jul 6, 4:58 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 32 min |
| Jul 6, 5:26 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 42 min |
| Jul 6, 5:29 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 61 min |
| Jul 6, 6:21 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 54 min |
| Jul 9, 4:54 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 51 min |
| Jul 9, 8:14 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 61 min |
| Jul 9, 8:43 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 32 min |
| Jul 9, 9:02 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 58 min |
| Jul 9, 9:45 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook, Weston | 45 min |
| Jul 9, 10:29 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 61 min |
| Jul 10, 2:22 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 53 min |
| Jul 10, 2:26 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 49 min |
| Jul 10, 2:50 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 55 min |
| Jul 10, 3:21 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 54 min |
| Jul 13, 2:26 PM MDT | Severe Thunderstorm Warning | CYS | Carbon | 19 min |
| Jul 13, 3:16 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Carbon | 29 min |
| Jul 13, 3:41 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie, Platte | 49 min |
| Jul 13, 4:05 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 40 min |
| Jul 13, 4:44 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 31 min |
| Jul 19, 3:35 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 40 min |
| Jul 19, 4:00 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 60 min |
| Jul 19, 4:48 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 57 min |
| Jul 19, 4:50 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 55 min |
| Jul 19, 5:14 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 42 min |
| Jul 19, 5:37 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 42 min |
| Jul 19, 5:39 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Weston | 53 min |
| Jul 19, 5:43 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 62 min |
| Jul 19, 6:02 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 58 min |
| Jul 19, 6:31 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 59 min |
| Jul 19, 7:11 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 34 min |
| Jul 19, 7:14 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 46 min |
| Jul 19, 7:35 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 40 min |
| Jul 19, 8:03 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 42 min |
| Jul 19, 8:14 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara | 46 min |
| Jul 19, 8:45 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara | 45 min |
| Jul 19, 9:39 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 51 min |
| Jul 19, 10:23 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 53 min |
| Jul 19, 11:33 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 57 min |
| Jul 20, 12:26 AM MDT | Severe Thunderstorm Warning | UNR | Campbell | 64 min |
| Jul 20, 3:17 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 17 min |
| Jul 20, 4:52 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 18 min |
| Jul 20, 6:25 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 39 min |
| Jul 20, 7:22 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 42 min |
| Jul 21, 3:15 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie | 30 min |
| Jul 21, 3:34 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Converse | 41 min |
| Jul 21, 4:11 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Converse | 49 min |
| Jul 21, 4:48 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Platte | 57 min |
| Jul 21, 4:59 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 46 min |
| Jul 21, 5:22 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Platte | 53 min |
| Jul 21, 5:49 PM MDT | Severe Thunderstorm Warning | CYS | Laramie, Platte | 56 min |
| Jul 21, 5:58 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 33 min |
| Jul 21, 6:44 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 61 min |
| Jul 21, 7:03 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 42 min |
| Jul 21, 7:37 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 53 min |
| Jul 21, 7:40 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 80 min |
| Jul 21, 8:17 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 62 min |
| Jul 23, 6:38 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 37 min |
| Jul 26, 4:02 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 43 min |
| Aug 1, 2:28 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 32 min |
| Aug 1, 3:21 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 24 min |
| Aug 1, 4:01 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 29 min |
| Aug 1, 4:28 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 27 min |
| Aug 1, 5:21 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Washakie | 24 min |
| Aug 3, 3:51 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 39 min |
| Aug 3, 5:55 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 35 min |
| Aug 5, 4:34 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 28 min |
| Aug 5, 5:01 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 44 min |
| Aug 5, 8:30 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 45 min |
| Aug 6, 4:29 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 26 min |
| Aug 6, 4:33 PM MDT | Severe Thunderstorm Warning | UNR | Campbell | 57 min |
| Aug 6, 5:24 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 66 min |
| Aug 6, 5:42 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara | 33 min |
| Aug 6, 6:02 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Weston | 43 min |
| Aug 6, 6:59 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 22 min |
| Aug 8, 4:35 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 30 min |
| Aug 8, 4:57 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 35 min |
| Aug 11, 1:58 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 47 min |
| Aug 12, 1:34 PM MDT | Severe Thunderstorm Warning | RIW | Sweetwater | 41 min |
| Aug 27, 4:07 AM MDT | Severe Thunderstorm Warning | UNR | Weston | 68 min |
| Aug 27, 3:41 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 38 min |
| Aug 27, 5:37 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 53 min |
| Aug 27, 6:18 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 57 min |
| Aug 27, 6:28 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 47 min |
| Aug 27, 6:35 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 36 min |
| Aug 27, 6:47 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Weston | 58 min |
| Aug 27, 7:09 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 66 min |
| Aug 27, 7:16 PM MDT | Severe Thunderstorm Warning | UNR | Crook | 29 min |
| Aug 29, 4:53 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 29 min |
| Aug 29, 7:06 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 54 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Crook County52
- Campbell County39
- Laramie County34
- Weston County30
- Goshen County30
- Niobrara County20
- Platte County18
- Johnson County17
- Converse County14
- Natrona County14
- Albany County12
- Fremont County11
- Washakie County9
- Carbon County9
- Hot Springs County5
- Sweetwater County5
- Big Horn County4
- Uinta County3
- Lincoln County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.