Alert archive / Wyoming / 2020
Weather alerts in Wyoming, August 2020
334 weather alerts in August 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in August 2020. Tap one for its archive.
- Alerts
- 334
- Warnings
- 66
- Watches
- 32
- Advisories
- 2
- Busiest day
- August 5, 202048 alerts
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 |
|---|---|---|---|---|
| Jul 31, 7:07 PM MDT | Special Weather Statement | CYS | Albany | 38 min |
| Jul 31, 7:51 PM MDT | Special Weather Statement | CYS | Albany | 39 min |
| Aug 1, 1:20 PM MDT | Special Weather Statement | RIW | Johnson | 25 min |
| Aug 1, 1:50 PM MDT | Special Weather Statement | RIW | Johnson | 40 min |
| Aug 1, 2:28 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 32 min |
| Aug 1, 2:58 PM MDT | Special Weather Statement | RIW | Natrona | 47 min |
| Aug 1, 3:07 PM MDT | Special Weather Statement | RIW | Johnson | 38 min |
| Aug 1, 3:13 PM MDT | Special Weather Statement | CYS | Laramie | 32 min |
| Aug 1, 3:17 PM MDT | Special Weather Statement | RIW | 28 min | |
| Aug 1, 3:21 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 24 min |
| Aug 1, 3:45 PM MDT | Special Weather Statement | RIW | Natrona | 30 min |
| Aug 1, 4:01 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 29 min |
| Aug 1, 4:17 PM MDT | Special Weather Statement | RIW | Natrona | 28 min |
| Aug 1, 4:24 PM MDT | Special Weather Statement | RIW | Big Horn | 36 min |
| Aug 1, 4:28 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 27 min |
| Aug 1, 4:54 PM MDT | Special Weather Statement | RIW | Natrona | 36 min |
| Aug 1, 5:03 PM MDT | Special Weather Statement | CYS | 27 min | |
| Aug 1, 5:10 PM MDT | Special Weather Statement | RIW | Washakie | 50 min |
| Aug 1, 5:21 PM MDT | Severe Thunderstorm Warning | RIW | Big Horn, Washakie | 24 min |
| Aug 1, 5:30 PM MDT | Special Weather Statement | CYS | 30 min | |
| Aug 1, 5:47 PM MDT | Special Weather Statement | RIW | Washakie | 43 min |
| Aug 1, 6:29 PM MDT | Special Weather Statement | RIW | Washakie | 31 min |
| Aug 1, 6:35 PM MDT | Special Weather Statement | RIW | Washakie | 25 min |
| Aug 2, 11:57 AM MDT | Fire Weather Watch | RIW | Lincoln, Sweetwater, Uinta | 16 hr |
| Aug 2, 1:23 PM MDT | Fire Weather Watch | CYS | 24 hr | |
| Aug 2, 1:51 PM MDT | Special Weather Statement | RIW | Johnson | 39 min |
| Aug 2, 1:58 PM MDT | Severe Thunderstorm Watch | SPC | Albany, Laramie, Platte | 7 hr |
| Aug 2, 2:27 PM MDT | Special Weather Statement | RIW | Johnson | 48 min |
| Aug 2, 3:10 PM MDT | Special Weather Statement | RIW | Johnson | 35 min |
| Aug 2, 3:18 PM MDT | Special Weather Statement | RIW | Johnson | 27 min |
| Aug 2, 4:40 PM MDT | Special Weather Statement | CYS | Laramie | 50 min |
| Aug 2, 5:45 PM MDT | Special Weather Statement | CYS | Laramie | 45 min |
| Aug 2, 5:59 PM MDT | Special Weather Statement | CYS | Laramie | 46 min |
| Aug 3, 3:30 AM MDT | Red Flag Warning | RIW | Lincoln, Sublette, Sweetwater, Uinta | 41 hr |
| Aug 3, 11:18 AM MDT | Special Weather Statement | RIW | Hot Springs | 27 min |
| Aug 3, 12:20 PM MDT | Mesoscale Discussion | SPC | Big Horn, Johnson, Sheridan, Washakie | 55 min |
| Aug 3, 1:37 PM MDT | Special Weather Statement | RIW | Washakie | 23 min |
| Aug 3, 1:38 PM MDT | Fire Weather Watch | CYS | 25 hr | |
| Aug 3, 1:38 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Aug 3, 2:05 PM MDT | Special Weather Statement | RIW | Washakie | 25 min |
| Aug 3, 2:12 PM MDT | Mesoscale Discussion | SPC | Albany, Carbon, Natrona | 93 min |
| Aug 3, 2:27 PM MDT | Special Weather Statement | RIW | Natrona | 33 min |
| Aug 3, 3:20 PM MDT | Special Weather Statement | RIW | Johnson | 25 min |
| Aug 3, 3:22 PM MDT | Special Weather Statement | RIW | Johnson | 23 min |
| Aug 3, 3:44 PM MDT | Special Weather Statement | RIW | Johnson | 31 min |
| Aug 3, 3:46 PM MDT | Special Weather Statement | RIW | Johnson | 29 min |
| Aug 3, 3:51 PM MDT | Severe Thunderstorm Warning | RIW | Johnson | 39 min |
| Aug 3, 4:11 PM MDT | Special Weather Statement | RIW | Natrona | 34 min |
| Aug 3, 4:27 PM MDT | Special Weather Statement | RIW | Johnson | 33 min |
| Aug 3, 4:38 PM MDT | Special Weather Statement | UNR | Campbell | 52 min |
| Aug 3, 4:46 PM MDT | Special Weather Statement | RIW | Natrona | 29 min |
| Aug 3, 5:08 PM MDT | Special Weather Statement | CYS | 52 min | |
| Aug 3, 5:18 PM MDT | Special Weather Statement | UNR | Campbell | 42 min |
| Aug 3, 5:19 PM MDT | Special Weather Statement | CYS | Laramie | 41 min |
| Aug 3, 5:20 PM MDT | Special Weather Statement | RIW | Hot Springs | 25 min |
| Aug 3, 5:36 PM MDT | Special Weather Statement | CYS | Albany | 39 min |
| Aug 3, 5:46 PM MDT | Special Weather Statement | CYS | Laramie | 44 min |
| Aug 3, 5:47 PM MDT | Special Weather Statement | RIW | Hot Springs | 28 min |
| Aug 3, 5:50 PM MDT | Special Weather Statement | UNR | Weston | 40 min |
| Aug 3, 5:55 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 35 min |
| Aug 3, 6:02 PM MDT | Special Weather Statement | CYS | Platte | 58 min |
| Aug 3, 6:31 PM MDT | Special Weather Statement | CYS | Platte | 44 min |
| Aug 3, 6:34 PM MDT | Special Weather Statement | UNR | Crook | 41 min |
| Aug 3, 6:35 PM MDT | Special Weather Statement | UNR | Weston | 40 min |
| Aug 3, 6:37 PM MDT | Special Weather Statement | CYS | Niobrara | 38 min |
| Aug 3, 6:51 PM MDT | Special Weather Statement | RIW | Teton | 24 min |
| Aug 3, 7:00 PM MDT | Special Weather Statement | RIW | 30 min | |
| Aug 3, 7:14 PM MDT | Special Weather Statement | CYS | Niobrara | 46 min |
| Aug 3, 7:18 PM MDT | Special Weather Statement | UNR | Crook | 42 min |
| Aug 3, 7:36 PM MDT | Special Weather Statement | RIW | Big Horn | 24 min |
| Aug 3, 8:19 PM MDT | Special Weather Statement | RIW | Park | 26 min |
| Aug 4, 12:52 PM MDT | Mesoscale Discussion | SPC | Albany, Goshen, Laramie, Platte | 113 min |
| Aug 4, 1:46 PM MDT | Severe Thunderstorm Watch | SPC | Albany, Goshen, Laramie, Platte | 7 hr |
| Aug 4, 2:31 PM MDT | Fire Weather Watch | CYS | 12 hr | |
| Aug 4, 2:31 PM MDT | Red Flag Warning | CYS | 29 hr | |
| Aug 4, 3:26 PM MDT | Special Weather Statement | RIW | 34 min | |
| Aug 4, 3:35 PM MDT | Special Weather Statement | CYS | Laramie | 40 min |
| Aug 4, 3:44 PM MDT | Special Weather Statement | CYS | Laramie | 46 min |
| Aug 4, 4:16 PM MDT | Mesoscale Discussion | SPC | Goshen, Laramie, Platte | 119 min |
| Aug 4, 5:03 PM MDT | Special Weather Statement | RIW | 27 min | |
| Aug 4, 5:35 PM MDT | Special Weather Statement | RIW | 25 min | |
| Aug 4, 6:03 PM MDT | Special Weather Statement | RIW | 27 min | |
| Aug 4, 6:17 PM MDT | Special Weather Statement | CYS | Albany | 43 min |
| Aug 4, 6:26 PM MDT | Special Weather Statement | RIW | 34 min | |
| Aug 4, 6:34 PM MDT | Special Weather Statement | CYS | 41 min | |
| Aug 4, 6:54 PM MDT | Special Weather Statement | RIW | 36 min | |
| Aug 4, 7:00 PM MDT | Special Weather Statement | CYS | Albany | 45 min |
| Aug 4, 7:27 PM MDT | Special Weather Statement | RIW | Natrona | 33 min |
| Aug 4, 7:42 PM MDT | Special Weather Statement | CYS | 33 min | |
| Aug 4, 7:59 PM MDT | Special Weather Statement | CYS | Carbon | 46 min |
| Aug 4, 8:45 PM MDT | Special Weather Statement | CYS | Albany | 45 min |
| Aug 4, 9:28 PM MDT | Special Weather Statement | CYS | Albany, Platte | 47 min |
| Aug 4, 10:50 PM MDT | Special Weather Statement | CYS | Goshen, Laramie, Platte | 40 min |
| Aug 4, 11:31 PM MDT | Special Weather Statement | CYS | Goshen | 44 min |
| Aug 5, 12:21 AM MDT | Special Weather Statement | CYS | Laramie | 24 min |
| Aug 5, 2:30 AM MDT | Fire Weather Watch | RIW | Fremont, Lincoln, Natrona, Sublette, Sweetwater, Uinta | 12 hr |
| Aug 5, 2:50 AM MDT | Red Flag Warning | CYS | 41 hr | |
| Aug 5, 12:27 PM MDT | Mesoscale Discussion | SPC | Albany, Goshen, Laramie, Platte | 2 hr |
| Aug 5, 1:23 PM MDT | Special Weather Statement | CYS | Laramie | 52 min |
| Aug 5, 1:26 PM MDT | Severe Thunderstorm Watch | SPC | Albany, Goshen, Laramie | 8 hr |
| Aug 5, 1:59 PM MDT | Special Weather Statement | CYS | Laramie | 46 min |
| Aug 5, 2:04 PM MDT | Red Flag Warning | RIW | Fremont, Lincoln, Natrona, Sublette, Sweetwater, Uinta | 30 hr |
| Aug 5, 2:05 PM MDT | Special Weather Statement | CYS | Converse | 40 min |
| Aug 5, 2:27 PM MDT | Special Weather Statement | CYS | Laramie | 48 min |
| Aug 5, 2:31 PM MDT | Special Weather Statement | RIW | Washakie | 29 min |
| Aug 5, 2:34 PM MDT | Fire Weather Watch | CYS | 13 hr | |
| Aug 5, 2:45 PM MDT | Special Weather Statement | CYS | Platte | 45 min |
| Aug 5, 2:53 PM MDT | Special Weather Statement | CYS | Platte | 52 min |
| Aug 5, 3:03 PM MDT | Special Weather Statement | CYS | 42 min | |
| Aug 5, 3:15 PM MDT | Special Weather Statement | RIW | Natrona | 45 min |
| Aug 5, 3:16 PM MDT | Special Weather Statement | CYS | Laramie | 44 min |
| Aug 5, 3:24 PM MDT | Special Weather Statement | RIW | 36 min | |
| Aug 5, 3:42 PM MDT | Special Weather Statement | CYS | Albany | 48 min |
| Aug 5, 3:50 PM MDT | Special Weather Statement | RIW | Hot Springs | 40 min |
| Aug 5, 3:57 PM MDT | Special Weather Statement | CYS | Converse | 48 min |
| Aug 5, 4:07 PM MDT | Special Weather Statement | CYS | Platte | 38 min |
| Aug 5, 4:22 PM MDT | Special Weather Statement | CYS | Converse | 38 min |
| Aug 5, 4:34 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 28 min |
| Aug 5, 4:34 PM MDT | Special Weather Statement | RIW | Washakie | 41 min |
| Aug 5, 4:50 PM MDT | Special Weather Statement | CYS | Converse | 40 min |
| Aug 5, 4:51 PM MDT | Special Weather Statement | RIW | Natrona | 39 min |
| Aug 5, 4:52 PM MDT | Special Weather Statement | CYS | Laramie | 38 min |
| Aug 5, 4:58 PM MDT | Special Weather Statement | CYS | Platte | 47 min |
| Aug 5, 5:01 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 44 min |
| Aug 5, 5:19 PM MDT | Special Weather Statement | CYS | Converse | 41 min |
| Aug 5, 5:21 PM MDT | Special Weather Statement | CYS | Goshen | 39 min |
| Aug 5, 5:21 PM MDT | Mesoscale Discussion | SPC | Converse, Goshen, Laramie, Niobrara, Platte | 84 min |
| Aug 5, 5:34 PM MDT | Special Weather Statement | CYS | Platte | 41 min |
| Aug 5, 5:41 PM MDT | Special Weather Statement | CYS | Niobrara | 49 min |
| Aug 5, 6:28 PM MDT | Special Weather Statement | RIW | Natrona | 32 min |
| Aug 5, 7:00 PM MDT | Special Weather Statement | RIW | Natrona | 30 min |
| Aug 5, 7:09 PM MDT | Special Weather Statement | CYS | Niobrara | 51 min |
| Aug 5, 7:29 PM MDT | Special Weather Statement | RIW | Natrona | 31 min |
| Aug 5, 7:55 PM MDT | Special Weather Statement | CYS | Niobrara | 50 min |
| Aug 5, 8:30 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 45 min |
| Aug 6, 3:08 AM MDT | Red Flag Warning | CYS | 41 hr | |
| Aug 6, 12:45 PM MDT | Mesoscale Discussion | SPC | Albany, Goshen, Laramie, Platte | 2 hr |
| Aug 6, 1:28 PM MDT | Special Weather Statement | CYS | Laramie | 47 min |
| Aug 6, 2:31 PM MDT | Special Weather Statement | CYS | Laramie | 44 min |
| Aug 6, 2:42 PM MDT | Special Weather Statement | CYS | Niobrara | 48 min |
| Aug 6, 3:11 PM MDT | Special Weather Statement | RIW | Natrona | 34 min |
| Aug 6, 3:20 PM MDT | Special Weather Statement | RIW | Big Horn | 40 min |
| Aug 6, 3:26 PM MDT | Special Weather Statement | RIW | Washakie | 34 min |
| Aug 6, 3:30 PM MDT | Special Weather Statement | CYS | Niobrara | 45 min |
| Aug 6, 3:54 PM MDT | Special Weather Statement | RIW | Washakie | 36 min |
| Aug 6, 4:19 PM MDT | Special Weather Statement | CYS | Goshen | 41 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, 4:46 PM MDT | Special Weather Statement | UNR | Campbell | 29 min |
| Aug 6, 5:13 PM MDT | Mesoscale Discussion | SPC | Campbell, Crook, Goshen, Niobrara, Weston | 2 hr |
| Aug 6, 5:13 PM MDT | Special Weather Statement | UNR | Campbell | 32 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, 5:49 PM MDT | Special Weather Statement | UNR | Weston | 26 min |
| Aug 6, 6:02 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Weston | 43 min |
| Aug 6, 6:28 PM MDT | Special Weather Statement | RIW | Sheridan | 32 min |
| Aug 6, 6:30 PM MDT | Special Weather Statement | UNR | Crook | 45 min |
| Aug 6, 6:59 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 22 min |
| Aug 6, 7:31 PM MDT | Mesoscale Discussion | SPC | Crook, Weston | 59 min |
| Aug 7, 2:51 AM MDT | Red Flag Warning | RIW | Sweetwater | 17 hr |
| Aug 7, 2:41 PM MDT | Special Weather Statement | UNR | Campbell | 49 min |
| Aug 7, 9:37 PM MDT | Special Weather Statement | RIW | Johnson | 23 min |
| Aug 7, 9:57 PM MDT | Special Weather Statement | RIW | Johnson | 48 min |
| Aug 7, 11:13 PM MDT | Special Weather Statement | UNR | Campbell | 32 min |
| Aug 8, 12:17 AM MDT | Special Weather Statement | UNR | Crook | 28 min |
| Aug 8, 1:56 AM MDT | Fire Weather Watch | CYS | 13 hr | |
| Aug 8, 1:56 AM MDT | Red Flag Warning | CYS | 18 hr | |
| Aug 8, 2:27 AM MDT | Fire Weather Watch | RIW | Lincoln, Sweetwater, Uinta | 12 hr |
| Aug 8, 1:31 PM MDT | Mesoscale Discussion | SPC | Albany, Campbell, Converse, Goshen, Niobrara, Platte and 1 more | 119 min |
| Aug 8, 2:17 PM MDT | Special Weather Statement | CYS | Platte | 43 min |
| Aug 8, 2:25 PM MDT | Red Flag Warning | RIW | Lincoln, Sublette, Sweetwater, Uinta | 30 hr |
| Aug 8, 2:36 PM MDT | Red Flag Warning | CYS | 29 hr | |
| Aug 8, 3:27 PM MDT | Special Weather Statement | UNR | Crook | 48 min |
| Aug 8, 3:31 PM MDT | Special Weather Statement | CYS | Niobrara | 44 min |
| Aug 8, 4:29 PM MDT | Special Weather Statement | CYS | Niobrara | 46 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 8, 6:12 PM MDT | Special Weather Statement | BYZ | Sheridan | 48 min |
| Aug 9, 1:33 AM MDT | Fire Weather Watch | CYS | 13 hr | |
| Aug 9, 2:32 PM MDT | Red Flag Warning | CYS | 29 hr | |
| Aug 10, 2:17 AM MDT | Fire Weather Watch | CYS | 18 hr | |
| Aug 10, 12:12 PM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Lincoln, Natrona, Park and 5 more | 32 hr |
| Aug 10, 1:55 PM MDT | Fire Weather Watch | UNR | Campbell, Weston | 30 hr |
| Aug 10, 2:14 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Aug 11, 2:08 AM MDT | Fire Weather Watch | CYS | 11 hr | |
| Aug 11, 4:01 AM MDT | Fire Weather Watch | UNR | Campbell, Weston | 24 hr |
| Aug 11, 4:01 AM MDT | Red Flag Warning | UNR | Campbell | 16 hr |
| Aug 11, 12:12 PM MDT | Red Flag Warning | RIW | Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 6 more | 3 days |
| Aug 11, 1:16 PM MDT | Special Weather Statement | CYS | Laramie | 44 min |
| Aug 11, 1:17 PM MDT | Mesoscale Discussion | SPC | Goshen | 118 min |
| Aug 11, 1:20 PM MDT | Red Flag Warning | CYS | 31 hr | |
| Aug 11, 1:49 PM MDT | Red Flag Warning | BYZ | Big Horn, Johnson, Sheridan, Washakie | 31 hr |
| Aug 11, 1:58 PM MDT | Severe Thunderstorm Warning | RIW | Natrona | 47 min |
| Aug 11, 2:06 PM MDT | Special Weather Statement | RIW | Natrona | 24 min |
| Aug 11, 2:30 PM MDT | Special Weather Statement | RIW | Fremont | 45 min |
| Aug 11, 5:11 PM MDT | Special Weather Statement | CYS | 49 min | |
| Aug 11, 6:12 PM MDT | Special Weather Statement | CYS | 93 min | |
| Aug 12, 2:07 AM MDT | Fire Weather Watch | CYS | 12 hr | |
| Aug 12, 3:40 AM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 40 hr |
| Aug 12, 1:17 PM MDT | Special Weather Statement | RIW | Sweetwater | 28 min |
| Aug 12, 1:28 PM MDT | Special Weather Statement | RIW | 32 min | |
| Aug 12, 1:34 PM MDT | Severe Thunderstorm Warning | RIW | Sweetwater | 41 min |
| Aug 12, 1:49 PM MDT | Special Weather Statement | RIW | Hot Springs | 41 min |
| Aug 12, 2:03 PM MDT | Special Weather Statement | RIW | Natrona | 42 min |
| Aug 12, 2:05 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Aug 12, 2:12 PM MDT | Special Weather Statement | RIW | Sweetwater | 48 min |
| Aug 12, 2:24 PM MDT | Special Weather Statement | RIW | Hot Springs | 51 min |
| Aug 12, 3:16 PM MDT | Special Weather Statement | RIW | 29 min | |
| Aug 12, 3:27 PM MDT | Special Weather Statement | RIW | 33 min | |
| Aug 12, 3:52 PM MDT | Special Weather Statement | RIW | 23 min | |
| Aug 12, 4:21 PM MDT | Special Weather Statement | RIW | Fremont | 24 min |
| Aug 12, 4:24 PM MDT | Special Weather Statement | RIW | Washakie | 36 min |
| Aug 12, 4:40 PM MDT | Special Weather Statement | RIW | Lincoln | 35 min |
| Aug 12, 4:51 PM MDT | Special Weather Statement | RIW | Sweetwater | 24 min |
| Aug 12, 5:07 PM MDT | Special Weather Statement | RIW | Fremont | 23 min |
| Aug 12, 5:12 PM MDT | Special Weather Statement | RIW | Johnson | 33 min |
| Aug 12, 5:29 PM MDT | Special Weather Statement | RIW | Fremont | 31 min |
| Aug 12, 5:39 PM MDT | Special Weather Statement | RIW | Big Horn | 36 min |
| Aug 12, 5:49 PM MDT | Special Weather Statement | RIW | Johnson | 26 min |
| Aug 12, 6:14 PM MDT | Special Weather Statement | RIW | Johnson | 31 min |
| Aug 12, 6:18 PM MDT | Special Weather Statement | RIW | 27 min | |
| Aug 12, 7:01 PM MDT | Special Weather Statement | RIW | Johnson | 29 min |
| Aug 12, 8:13 PM MDT | Fire Weather Watch | CYS | 17 hr | |
| Aug 13, 1:42 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Aug 13, 3:04 PM MDT | Dust Storm Advisory | RIW | Natrona | 116 min |
| Aug 16, 1:02 PM MDT | Heat Advisory | BYZ | Sheridan | 55 hr |
| Aug 17, 2:11 PM MDT | Red Flag Warning | BYZ | Big Horn, Johnson, Sheridan, Washakie | 30 hr |
| Aug 18, 2:28 AM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 16 hr |
| Aug 18, 3:43 AM MDT | Red Flag Warning | RIW | Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 4 more | 17 hr |
| Aug 18, 3:39 PM MDT | Red Flag Warning | CYS | 28 hr | |
| Aug 18, 3:53 PM MDT | Special Weather Statement | RIW | Fremont | 37 min |
| Aug 18, 4:11 PM MDT | Special Weather Statement | RIW | Fremont | 34 min |
| Aug 18, 4:25 PM MDT | Special Weather Statement | RIW | 35 min | |
| Aug 18, 4:29 PM MDT | Special Weather Statement | RIW | 31 min | |
| Aug 18, 4:44 PM MDT | Special Weather Statement | RIW | 31 min | |
| Aug 18, 4:55 PM MDT | Special Weather Statement | RIW | Sublette | 35 min |
| Aug 18, 5:48 PM MDT | Special Weather Statement | RIW | 27 min | |
| Aug 18, 5:49 PM MDT | Special Weather Statement | RIW | 26 min | |
| Aug 19, 4:04 PM MDT | Special Weather Statement | CYS | Goshen | 41 min |
| Aug 19, 7:47 PM MDT | Fire Weather Watch | CYS | 7 hr | |
| Aug 20, 3:31 AM MDT | Fire Weather Watch | RIW | Fremont, Lincoln, Sublette, Sweetwater, Teton, Uinta | 22 hr |
| Aug 20, 1:54 PM MDT | Fire Weather Watch | CYS | 21 hr | |
| Aug 20, 5:45 PM MDT | Special Weather Statement | CYS | Albany, Carbon | 45 min |
| Aug 20, 6:08 PM MDT | Special Weather Statement | CYS | Laramie | 52 min |
| Aug 21, 3:40 PM MDT | Red Flag Warning | CYS | 4 hr | |
| Aug 22, 12:46 PM MDT | Red Flag Warning | CYS | 7 hr | |
| Aug 22, 1:35 PM MDT | Fire Weather Watch | CYS | 6 hr | |
| Aug 22, 7:39 PM MDT | Red Flag Warning | CYS | 24 hr | |
| Aug 23, 3:56 PM MDT | Special Weather Statement | RIW | Fremont | 34 min |
| Aug 23, 4:01 PM MDT | Special Weather Statement | CYS | Niobrara | 44 min |
| Aug 23, 4:24 PM MDT | Special Weather Statement | CYS | Laramie | 51 min |
| Aug 24, 3:43 PM MDT | Special Weather Statement | RIW | 47 min | |
| Aug 24, 5:20 PM MDT | Special Weather Statement | RIW | Teton | 40 min |
| Aug 24, 6:38 PM MDT | Special Weather Statement | CYS | Laramie | 37 min |
| Aug 25, 1:56 PM MDT | Fire Weather Watch | RIW | Fremont, Lincoln, Natrona, Sublette, Sweetwater, Uinta | 23 hr |
| Aug 25, 3:01 PM MDT | Special Weather Statement | RIW | Big Horn | 29 min |
| Aug 25, 5:22 PM MDT | Special Weather Statement | RIW | 53 min | |
| Aug 25, 6:06 PM MDT | Special Weather Statement | RIW | 54 min | |
| Aug 25, 7:00 PM MDT | Special Weather Statement | RIW | Teton | 60 min |
| Aug 25, 7:03 PM MDT | Special Weather Statement | RIW | Fremont | 42 min |
| Aug 25, 7:42 PM MDT | Special Weather Statement | RIW | Hot Springs, Natrona, Teton | 63 min |
| Aug 25, 9:06 PM MDT | Special Weather Statement | RIW | Park, Washakie | 54 min |
| Aug 25, 10:13 PM MDT | Special Weather Statement | RIW | Big Horn, Johnson | 47 min |
| Aug 25, 10:58 PM MDT | Special Weather Statement | BYZ | Sheridan | 62 min |
| Aug 26, 12:57 PM MDT | Red Flag Warning | RIW | Fremont, Lincoln, Natrona, Sublette, Sweetwater, Uinta | 31 hr |
| Aug 26, 1:49 PM MDT | Special Weather Statement | RIW | Sublette | 26 min |
| Aug 26, 2:00 PM MDT | Fire Weather Watch | CYS | 12 hr | |
| Aug 26, 2:44 PM MDT | Mesoscale Discussion | SPC | Big Horn, Hot Springs, Park, Teton | 91 min |
| Aug 26, 4:15 PM MDT | Special Weather Statement | RIW | Fremont | 45 min |
| Aug 26, 4:58 PM MDT | Special Weather Statement | RIW | Fremont | 47 min |
| Aug 26, 11:02 PM MDT | Special Weather Statement | RIW | Teton | 43 min |
| Aug 26, 11:48 PM MDT | Special Weather Statement | RIW | Teton | 42 min |
| Aug 27, 2:10 AM MDT | Red Flag Warning | CYS | 18 hr | |
| Aug 27, 3:53 AM MDT | Special Weather Statement | UNR | Weston | 37 min |
| Aug 27, 4:07 AM MDT | Severe Thunderstorm Warning | UNR | Weston | 68 min |
| Aug 27, 12:31 PM MDT | Special Weather Statement | CYS | Laramie | 44 min |
| Aug 27, 1:27 PM MDT | Mesoscale Discussion | SPC | Big Horn, Campbell, Converse, Crook, Fremont, Hot Springs and 5 more | 3 hr |
| Aug 27, 1:32 PM MDT | Special Weather Statement | RIW | Park | 28 min |
| Aug 27, 1:34 PM MDT | Special Weather Statement | RIW | Sweetwater | 26 min |
| Aug 27, 2:02 PM MDT | Special Weather Statement | RIW | Sweetwater | 28 min |
| Aug 27, 2:04 PM MDT | Special Weather Statement | RIW | 26 min | |
| Aug 27, 2:36 PM MDT | Special Weather Statement | RIW | Big Horn | 24 min |
| Aug 27, 3:28 PM MDT | Special Weather Statement | CYS | Laramie | 47 min |
| Aug 27, 3:37 PM MDT | Special Weather Statement | RIW | Park | 23 min |
| Aug 27, 3:41 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 38 min |
| Aug 27, 3:54 PM MDT | Special Weather Statement | RIW | Natrona | 36 min |
| Aug 27, 3:59 PM MDT | Special Weather Statement | RIW | Park | 31 min |
| Aug 27, 4:23 PM MDT | Special Weather Statement | CYS | Laramie | 52 min |
| Aug 27, 4:24 PM MDT | Special Weather Statement | RIW | 36 min | |
| Aug 27, 4:41 PM MDT | Special Weather Statement | CYS | Platte | 34 min |
| Aug 27, 4:52 PM MDT | Mesoscale Discussion | SPC | Campbell, Crook, Niobrara, Weston | 83 min |
| Aug 27, 4:54 PM MDT | Special Weather Statement | CYS | Niobrara | 51 min |
| Aug 27, 4:54 PM MDT | Special Weather Statement | RIW | Big Horn | 36 min |
| Aug 27, 5:08 PM MDT | Special Weather Statement | CYS | Platte | 52 min |
| Aug 27, 5:26 PM MDT | Special Weather Statement | RIW | Park | 34 min |
| Aug 27, 5:31 PM MDT | Severe Thunderstorm Watch | SPC | Campbell, Crook, Weston | 7 hr |
| Aug 27, 5:37 PM MDT | Severe Thunderstorm Warning | UNR | Campbell, Crook | 53 min |
| Aug 27, 5:46 PM MDT | Special Weather Statement | RIW | Johnson | 29 min |
| Aug 27, 5:53 PM MDT | Special Weather Statement | RIW | Park | 37 min |
| Aug 27, 6:03 PM MDT | Special Weather Statement | RIW | Park | 42 min |
| Aug 27, 6:13 PM MDT | Special Weather Statement | RIW | Johnson | 47 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, 6:38 PM MDT | Special Weather Statement | UNR | Campbell | 52 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 27, 8:38 PM MDT | Special Weather Statement | BYZ | Sheridan | 37 min |
| Aug 27, 9:28 PM MDT | Special Weather Statement | BYZ | Sheridan | 47 min |
| Aug 28, 1:59 AM MDT | Fire Weather Watch | RIW | Fremont, Lincoln, Sublette, Sweetwater, Teton, Uinta | 13 hr |
| Aug 28, 2:17 PM MDT | Fire Weather Watch | CYS | 30 hr | |
| Aug 28, 2:17 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Aug 28, 3:11 PM MDT | Red Flag Warning | RIW | Fremont, Lincoln, Natrona, Sublette, Sweetwater, Teton and 1 more | 54 hr |
| Aug 29, 3:59 AM MDT | Red Flag Warning | CYS | 40 hr | |
| Aug 29, 12:15 PM MDT | Mesoscale Discussion | SPC | Goshen, Laramie, Platte | 90 min |
| Aug 29, 3:52 PM MDT | Special Weather Statement | CYS | Niobrara | 38 min |
| Aug 29, 4:05 PM MDT | Special Weather Statement | CYS | 40 min | |
| Aug 29, 4:40 PM MDT | Special Weather Statement | CYS | Niobrara | 50 min |
| Aug 29, 4:43 PM MDT | Special Weather Statement | UNR | Crook | 47 min |
| Aug 29, 4:44 PM MDT | Special Weather Statement | CYS | Albany | 46 min |
| Aug 29, 4:53 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 29 min |
| Aug 29, 5:10 PM MDT | Special Weather Statement | RIW | 35 min | |
| Aug 29, 5:32 PM MDT | Special Weather Statement | UNR | Crook | 43 min |
| Aug 29, 5:34 PM MDT | Special Weather Statement | CYS | Niobrara | 56 min |
| Aug 29, 7:06 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 54 min |
| Aug 30, 2:34 AM MDT | Hard Freeze Watch | CYS | Albany, Carbon | 12 hr |
| Aug 30, 1:40 PM MDT | Fire Weather Watch | UNR | Campbell, Crook, Weston | 48 hr |
| Aug 30, 2:17 PM MDT | Fire Weather Watch | BYZ | Big Horn, Johnson, Sheridan, Washakie | 13 hr |
| Aug 31, 3:27 AM MDT | Red Flag Warning | BYZ | Big Horn, Johnson, Sheridan, Washakie | 69 hr |
| Aug 31, 4:10 AM MDT | Freeze Watch | RIW | Fremont, Lincoln, Sublette, Sweetwater, Teton | 99 min |
| Aug 31, 5:49 AM MDT | Freeze Warning | RIW | Fremont, Lincoln, Sublette, Sweetwater, Teton | 27 hr |
| Aug 31, 1:08 PM MDT | Red Flag Warning | CYS | 6 hr | |
| Aug 31, 2:47 PM MDT | Fire Weather Watch | RIW | Fremont, Johnson, Natrona, Sweetwater | 13 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 31 |
| Severe Thunderstorm Watch | 4 |
| Mesoscale Discussion | 15 |
| Special Weather Statement | 219 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Hard Freeze Watch | 1 |
| Wind and dust | |
| Dust Storm Advisory | 1 |
| Fire | |
| Red Flag Warning | 34 |
| Fire Weather Watch | 26 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Natrona County34
- Laramie County34
- Johnson County33
- Fremont County24
- Sweetwater County23
- Platte County23
- Campbell County23
- Washakie County22
- Crook County22
- Niobrara County22
- Weston County21
- Albany County20
- Goshen County19
- Big Horn County18
- Lincoln County17
- Sublette County16
- Teton County15
- Uinta County13
- Hot Springs County12
- Sheridan County12
- Park County12
- Converse County9
- Carbon County4
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.