Alert archive / Wyoming / Red Flag Warnings
Red Flag Warnings in Wyoming, 2021
102 red flag warnings in 2021. 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 red flag warnings reaches back to 2005.
Red Flag Warnings by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Red Flag Warnings
- 102
- Busiest month
- August31 red flag warnings
- Busiest day
- August 16, 20214 red flag 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 |
|---|---|---|---|---|
| Mar 5, 12:59 PM MST | Red Flag Warning | UNR | Campbell, Crook, Weston | 30 hr |
| Mar 27, 1:56 PM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 3 days |
| Mar 31, 1:37 PM MDT | Red Flag Warning | UNR | Crook, Weston | 53 hr |
| Jun 8, 2:37 AM MDT | Red Flag Warning | UNR | Campbell | 17 hr |
| Jun 9, 1:38 PM MDT | Red Flag Warning | BYZ | Sheridan | 32 hr |
| Jun 9, 2:04 PM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 32 hr |
| Jun 14, 9:26 AM MDT | Red Flag Warning | BYZ | Sheridan | 43 hr |
| Jun 15, 2:33 AM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 19 hr |
| Jun 15, 3:13 AM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Natrona, Washakie | 17 hr |
| Jun 17, 3:01 AM MDT | Red Flag Warning | CYS | 16 hr | |
| Jun 17, 3:40 AM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Lincoln, Natrona, Park, Sublette and 1 more | 16 hr |
| Jun 18, 2:00 PM MDT | Red Flag Warning | BYZ | Sheridan | 31 hr |
| Jun 18, 2:49 PM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Natrona, Park, Sublette and 1 more | 29 hr |
| Jun 18, 2:52 PM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 29 hr |
| Jun 18, 7:18 PM MDT | Red Flag Warning | CYS | 25 hr | |
| Jun 19, 7:49 PM MDT | Red Flag Warning | CYS | 23 hr | |
| Jun 21, 1:30 PM MDT | Red Flag Warning | CYS | 31 hr | |
| Jun 23, 9:36 AM MDT | Red Flag Warning | CYS | 9 hr | |
| Jul 7, 3:07 AM MDT | Red Flag Warning | CYS | 41 hr | |
| Jul 7, 1:32 PM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Lincoln, Natrona, Park and 5 more | 55 hr |
| Jul 8, 2:27 AM MDT | Red Flag Warning | UNR | Campbell, Weston | 17 hr |
| Jul 8, 2:40 AM MDT | Red Flag Warning | CYS | 41 hr | |
| Jul 12, 2:06 PM MDT | Red Flag Warning | RIW | Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Park and 3 more | 33 hr |
| Jul 13, 1:18 AM MDT | Red Flag Warning | CYS | 17 hr | |
| Jul 15, 3:33 PM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Lincoln, Natrona, Park and 5 more | 29 hr |
| Jul 18, 1:18 PM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 56 hr |
| Jul 18, 3:10 PM MDT | Red Flag Warning | BYZ | Sheridan | 57 hr |
| Jul 19, 3:10 AM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Lincoln, Park, Sublette, Sweetwater and 2 more | 42 hr |
| Jul 19, 1:28 PM MDT | Red Flag Warning | RIW | Big Horn, Fremont, Hot Springs, Johnson, Natrona, Park and 2 more | 32 hr |
| Aug 5, 2:03 PM MDT | Red Flag Warning | RIW | Fremont, Lincoln, Natrona, Sweetwater, Uinta | 30 hr |
| Aug 5, 2:07 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Aug 7, 2:05 PM MDT | Red Flag Warning | RIW | Fremont, Lincoln, Natrona, Sublette, Sweetwater, Teton and 1 more | 3 days |
| Aug 7, 2:26 PM MDT | Red Flag Warning | BYZ | Big Horn, Johnson, Sheridan, Washakie | 34 hr |
| Aug 8, 1:42 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Aug 9, 12:55 PM MDT | Red Flag Warning | BYZ | Sheridan | 57 hr |
| Aug 9, 1:17 PM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Natrona, Park, Washakie | 31 hr |
| Aug 10, 3:10 AM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 18 hr |
| Aug 10, 3:55 AM MDT | Red Flag Warning | CYS | 16 hr | |
| Aug 16, 2:24 AM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Park, Teton | 19 hr |
| Aug 16, 1:24 PM MDT | Red Flag Warning | BYZ | Big Horn, Johnson, Sheridan, Washakie | 35 hr |
| Aug 16, 1:41 PM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 30 hr |
| Aug 16, 1:50 PM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Lincoln, Natrona, Sublette and 3 more | 31 hr |
| Aug 17, 2:13 AM MDT | Red Flag Warning | CYS | 18 hr | |
| Aug 21, 8:58 PM MDT | Red Flag Warning | CYS | 23 hr | |
| Aug 22, 12:38 PM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Natrona, Sweetwater, Washakie | 31 hr |
| Aug 22, 2:12 PM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 30 hr |
| Aug 22, 2:34 PM MDT | Red Flag Warning | CYS | 29 hr | |
| Aug 23, 2:18 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Aug 24, 12:56 PM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Lincoln, Natrona, Sublette and 3 more | 31 hr |
| Aug 24, 1:39 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Aug 25, 3:50 AM MDT | Red Flag Warning | UNR | Campbell | 14 hr |
| Aug 26, 3:14 AM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Lincoln, Natrona, Sublette and 3 more | 65 hr |
| Aug 26, 1:27 PM MDT | Red Flag Warning | CYS | 31 hr | |
| Aug 27, 2:05 AM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 16 hr |
| Aug 28, 1:14 AM MDT | Red Flag Warning | CYS | 18 hr | |
| Aug 29, 3:57 PM MDT | Red Flag Warning | CYS | 3 hr | |
| Aug 29, 7:15 PM MDT | Red Flag Warning | CYS | 25 hr | |
| Aug 30, 2:37 AM MDT | Red Flag Warning | RIW | Fremont, Lincoln, Natrona, Sublette, Sweetwater, Uinta | 16 hr |
| Aug 30, 2:06 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Aug 31, 1:46 AM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 18 hr |
| Sep 5, 1:44 PM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 29 hr |
| Sep 5, 1:49 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Sep 5, 1:49 PM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Lincoln, Natrona, Park and 4 more | 30 hr |
| Sep 5, 2:29 PM MDT | Red Flag Warning | BYZ | Big Horn, Johnson, Sheridan, Washakie | 30 hr |
| Sep 8, 6:02 PM MDT | Red Flag Warning | CYS | 26 hr | |
| Sep 9, 2:26 AM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 41 hr |
| Sep 9, 2:52 AM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Lincoln, Park, Sublette, Teton | 17 hr |
| Sep 9, 7:55 PM MDT | Red Flag Warning | CYS | 24 hr | |
| Sep 10, 1:51 AM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Natrona, Park, Sweetwater and 1 more | 18 hr |
| Sep 11, 3:03 AM MDT | Red Flag Warning | CYS | 16 hr | |
| Sep 14, 1:04 PM MDT | Red Flag Warning | BYZ | Big Horn, Johnson, Sheridan, Washakie | 31 hr |
| Sep 14, 1:14 PM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Lincoln, Natrona, Park and 4 more | 55 hr |
| Sep 14, 2:01 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Sep 15, 3:09 AM MDT | Red Flag Warning | UNR | Campbell | 16 hr |
| Sep 15, 2:07 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Sep 16, 1:45 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Sep 16, 1:53 PM MDT | Red Flag Warning | BYZ | Big Horn, Johnson, Sheridan, Washakie | 55 hr |
| Sep 16, 1:59 PM MDT | Red Flag Warning | RIW | Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 6 more | 54 hr |
| Sep 17, 2:44 AM MDT | Red Flag Warning | UNR | Campbell | 17 hr |
| Sep 17, 1:17 PM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 32 hr |
| Sep 17, 1:52 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Sep 21, 1:36 PM MDT | Red Flag Warning | CYS | 30 hr | |
| Sep 21, 1:37 PM MDT | Red Flag Warning | RIW | Fremont, Lincoln, Natrona, Sweetwater, Uinta | 30 hr |
| Sep 24, 1:18 PM MDT | Red Flag Warning | CYS | 31 hr | |
| Sep 25, 1:42 AM MDT | Red Flag Warning | RIW | Fremont, Lincoln, Natrona, Sweetwater, Uinta | 17 hr |
| Sep 26, 1:37 AM MDT | Red Flag Warning | CYS | 18 hr | |
| Sep 27, 1:01 PM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 30 hr |
| Sep 27, 1:37 PM MDT | Red Flag Warning | RIW | Big Horn, Fremont, Hot Springs, Johnson, Natrona, Park and 1 more | 28 hr |
| Sep 27, 2:06 PM MDT | Red Flag Warning | BYZ | Big Horn, Johnson, Sheridan, Washakie | 31 hr |
| Sep 28, 2:02 AM MDT | Red Flag Warning | CYS | 18 hr | |
| Oct 3, 1:23 PM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Natrona, Park, Sweetwater and 1 more | 30 hr |
| Oct 4, 1:58 AM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 17 hr |
| Nov 15, 2:04 AM MST | Red Flag Warning | CYS | 16 hr | |
| Nov 16, 1:38 AM MST | Red Flag Warning | CYS | 15 hr | |
| Nov 18, 2:44 AM MST | Red Flag Warning | RIW | Johnson, Natrona | 14 hr |
| Nov 21, 6:01 PM MST | Red Flag Warning | CYS | 23 hr | |
| Nov 22, 1:25 PM MST | Red Flag Warning | UNR | Campbell, Weston | 28 hr |
| Nov 22, 2:37 PM MST | Red Flag Warning | CYS | 25 hr | |
| Nov 23, 3:00 AM MST | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Natrona, Washakie | 13 hr |
| Nov 24, 2:22 PM MST | Red Flag Warning | CYS | 26 hr | |
| Nov 25, 4:43 PM MST | Red Flag Warning | CYS | 24 hr | |
| Nov 26, 12:49 PM MST | Red Flag Warning | RIW | Natrona | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.