Alert archive / Wyoming / Johnson County
Weather alerts in Johnson County, Wyoming, 2026
140 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Johnson County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 140
- Warnings
- 47
- Watches
- 24
- Advisories
- 17
- Busiest month
- June43 alerts
- Busiest day
- June 27, 20268 alerts
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 | Lasted |
|---|---|---|---|
| Jan 14, 12:06 PM MST | High Wind Watch | RIW | 13 hr |
| Jan 15, 1:26 AM MST | High Wind Warning | RIW | 40 hr |
| Jan 15, 4:34 PM MST | Winter Weather Advisory | RIW | 3 hr |
| Feb 14, 10:18 AM MST | Red Flag Warning | RIW | 55 hr |
| Feb 16, 9:40 AM MST | High Wind Warning | RIW | 33 hr |
| Feb 17, 12:16 PM MST | Winter Weather Advisory | RIW | 47 hr |
| Feb 18, 12:06 PM MST | Winter Storm Warning | RIW | 23 hr |
| Feb 23, 12:45 AM MST | High Wind Warning | RIW | 40 hr |
| Feb 23, 1:12 AM MST | Winter Weather Advisory | RIW | 59 hr |
| Mar 4, 1:16 PM MST | Winter Weather Advisory | RIW | 51 hr |
| Mar 10, 11:36 AM MDT | High Wind Watch | RIW | 23 hr |
| Mar 11, 3:01 AM MDT | High Wind Warning | RIW | 45 hr |
| Mar 13, 2:12 AM MDT | Winter Storm Watch | RIW | 11 hr |
| Mar 13, 12:54 PM MDT | High Wind Warning | RIW | 34 hr |
| Mar 13, 1:23 PM MDT | Winter Weather Advisory | RIW | 34 hr |
| Mar 14, 6:43 PM MDT | Mesoscale Discussion | SPC | 4 hr |
| Mar 17, 2:23 AM MDT | Fire Weather Watch | RIW | 11 hr |
| Mar 17, 1:19 PM MDT | Red Flag Warning | RIW | 61 hr |
| Mar 20, 2:02 AM MDT | Red Flag Warning | RIW | 43 hr |
| Mar 23, 2:48 AM MDT | Fire Weather Watch | RIW | 33 hr |
| Mar 24, 11:29 AM MDT | Red Flag Warning | RIW | 58 hr |
| Mar 27, 1:24 AM MDT | Fire Weather Watch | RIW | 13 hr |
| Mar 27, 2:02 PM MDT | Fire Weather Watch | RIW | 24 hr |
| Mar 27, 2:02 PM MDT | Red Flag Warning | RIW | 3 days |
| Apr 1, 1:47 AM MDT | Winter Storm Watch | RIW | 9 hr |
| Apr 1, 11:14 AM MDT | Winter Storm Warning | RIW | 55 hr |
| Apr 2, 2:17 AM MDT | Winter Weather Advisory | RIW | 40 hr |
| Apr 7, 12:47 AM MDT | Red Flag Warning | RIW | 20 hr |
| Apr 15, 11:56 AM MDT | Winter Weather Advisory | RIW | 46 hr |
| Apr 16, 1:35 PM MDT | Freeze Warning | RIW | 43 hr |
| Apr 21, 1:23 AM MDT | Fire Weather Watch | RIW | 24 hr |
| Apr 21, 2:45 AM MDT | Winter Weather Advisory | RIW | 68 hr |
| Apr 22, 1:27 AM MDT | Red Flag Warning | RIW | 19 hr |
| Apr 25, 11:14 PM MDT | Winter Weather Advisory | RIW | 34 hr |
| May 3, 1:06 PM MDT | Freeze Watch | RIW | 34 hr |
| May 4, 11:44 AM MDT | Winter Weather Advisory | RIW | 42 hr |
| May 4, 11:05 PM MDT | Freeze Warning | RIW | 34 hr |
| May 16, 11:52 AM MDT | Winter Weather Advisory | RIW | 54 hr |
| May 18, 5:57 PM MDT | Freeze Warning | RIW | 15 hr |
| May 19, 9:35 AM MDT | Freeze Warning | RIW | 22 hr |
| May 29, 4:23 PM MDT | Special Weather Statement | RIW | 52 min |
| Jun 4, 1:32 PM MDT | Special Weather Statement | RIW | 28 min |
| Jun 4, 1:57 PM MDT | Special Weather Statement | RIW | 33 min |
| Jun 7, 1:30 PM MDT | Special Weather Statement | RIW | 45 min |
| Jun 7, 1:50 PM MDT | Mesoscale Discussion | SPC | 115 min |
| Jun 7, 2:51 PM MDT | Special Weather Statement | RIW | 24 min |
| Jun 7, 4:53 PM MDT | Special Weather Statement | RIW | 37 min |
| Jun 7, 5:36 PM MDT | Severe Thunderstorm Warning | RIW | 24 min |
| Jun 7, 7:17 PM MDT | High Wind Warning | RIW | 3 hr |
| Jun 20, 12:50 PM MDT | Mesoscale Discussion | SPC | 115 min |
| Jun 20, 1:27 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 20, 3:46 PM MDT | Severe Thunderstorm Warning | RIW | 44 min |
| Jun 20, 4:14 PM MDT | Severe Thunderstorm Warning | RIW | 46 min |
| Jun 20, 4:29 PM MDT | Severe Thunderstorm Warning | RIW | 46 min |
| Jun 20, 5:14 PM MDT | Severe Thunderstorm Warning | RIW | 61 min |
| Jun 22, 12:36 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 22, 1:27 PM MDT | Special Weather Statement | RIW | 18 min |
| Jun 22, 1:31 PM MDT | Special Weather Statement | RIW | 29 min |
| Jun 22, 1:34 PM MDT | Severe Thunderstorm Warning | RIW | 26 min |
| Jun 22, 1:38 PM MDT | Severe Thunderstorm Warning | RIW | 37 min |
| Jun 22, 1:59 PM MDT | Severe Thunderstorm Warning | RIW | 22 min |
| Jun 22, 2:13 PM MDT | Special Weather Statement | RIW | 32 min |
| Jun 22, 6:20 PM MDT | Mesoscale Discussion | SPC | 85 min |
| Jun 25, 11:13 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 12:40 PM MDT | Special Weather Statement | RIW | 50 min |
| Jun 25, 1:39 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 25, 2:16 PM MDT | Special Weather Statement | RIW | 29 min |
| Jun 25, 2:40 PM MDT | Special Weather Statement | RIW | 35 min |
| Jun 25, 3:13 PM MDT | Special Weather Statement | RIW | 32 min |
| Jun 26, 2:32 PM MDT | Special Weather Statement | RIW | 28 min |
| Jun 26, 2:58 PM MDT | Special Weather Statement | RIW | 32 min |
| Jun 26, 3:29 PM MDT | Special Weather Statement | RIW | 31 min |
| Jun 26, 3:57 PM MDT | Special Weather Statement | RIW | 33 min |
| Jun 26, 4:01 PM MDT | Special Weather Statement | RIW | 29 min |
| Jun 26, 4:30 PM MDT | Special Weather Statement | RIW | 30 min |
| Jun 26, 4:56 PM MDT | Special Weather Statement | RIW | 34 min |
| Jun 27, 12:57 PM MDT | Special Weather Statement | RIW | 33 min |
| Jun 27, 1:02 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 27, 1:09 PM MDT | Severe Thunderstorm Warning | RIW | 36 min |
| Jun 27, 2:51 PM MDT | Special Weather Statement | RIW | 24 min |
| Jun 27, 4:47 PM MDT | Special Weather Statement | RIW | 28 min |
| Jun 27, 5:25 PM MDT | Special Weather Statement | RIW | 35 min |
| Jun 27, 5:48 PM MDT | Severe Thunderstorm Warning | RIW | 31 min |
| Jun 27, 5:55 PM MDT | Severe Thunderstorm Warning | RIW | 35 min |
| Jul 2, 6:14 PM MDT | Special Weather Statement | RIW | 31 min |
| Jul 2, 6:33 PM MDT | Special Weather Statement | RIW | 27 min |
| Jul 2, 11:00 PM MDT | Special Weather Statement | RIW | 45 min |
| Jul 6, 8:04 PM MDT | Severe Thunderstorm Warning | RIW | 26 min |
| Jul 6, 8:26 PM MDT | Special Weather Statement | RIW | 34 min |
| Jul 7, 5:35 PM MDT | Special Weather Statement | RIW | 25 min |
| Jul 7, 5:49 PM MDT | Special Weather Statement | RIW | 26 min |
| Jul 8, 1:10 PM MDT | Special Weather Statement | RIW | 50 min |
| Jul 8, 1:39 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 8, 2:02 PM MDT | Special Weather Statement | RIW | 58 min |
| Jul 8, 2:53 PM MDT | Special Weather Statement | RIW | 37 min |
| Jul 9, 10:11 AM MDT | Extreme Heat Watch | RIW | 16 hr |
| Jul 10, 1:59 AM MDT | Extreme Heat Warning | RIW | 5 days |
| Jul 10, 9:30 AM MDT | Fire Weather Watch | RIW | 24 hr |
| Jul 11, 9:15 AM MDT | Red Flag Warning | RIW | 37 hr |
| Jul 16, 1:49 AM MDT | Flood Watch | RIW | 21 hr |
| Jul 17, 1:48 PM MDT | Areal Flood Advisory | RIW | 3 hr |
| Jul 17, 6:28 PM MDT | Special Weather Statement | RIW | 32 min |
| Jul 18, 4:44 PM MDT | Areal Flood Advisory | RIW | 3 hr |
| Jul 19, 6:27 PM MDT | Special Weather Statement | RIW | 48 min |
| Jul 21, 1:57 AM MDT | Flood Watch | RIW | 66 hr |
| Jul 23, 1:13 PM MDT | Fire Weather Watch | BYZ | 24 hr |
| Jul 24, 11:26 AM MDT | Heat Advisory | RIW | 58 hr |
| Jul 24, 1:09 PM MDT | Red Flag Warning | BYZ | 32 hr |
| Jul 25, 10:27 PM MDT | Special Weather Statement | RIW | 33 min |
| Jul 26, 2:26 PM MDT | Mesoscale Discussion | SPC | 94 min |
| Jul 31, 12:49 AM MDT | Heat Advisory | RIW | 68 hr |
| Jul 31, 9:54 AM MDT | Fire Weather Watch | RIW | 28 hr |
| Jul 31, 1:23 PM MDT | Red Flag Warning | BYZ | 61 hr |
| Aug 1, 1:28 PM MDT | Red Flag Warning | RIW | 56 hr |
| Aug 6, 1:51 AM MDT | Red Flag Warning | RIW | 19 hr |
| Aug 6, 12:32 PM MDT | Fire Weather Watch | BYZ | 24 hr |
| Aug 7, 12:13 PM MDT | Red Flag Warning | BYZ | 33 hr |
| Aug 7, 12:27 PM MDT | Red Flag Warning | RIW | 57 hr |
| Aug 10, 2:23 AM MDT | Red Flag Warning | RIW | 19 hr |
| Aug 10, 2:00 PM MDT | Red Flag Warning | RIW | 31 hr |
| Aug 18, 2:31 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 18, 7:05 PM MDT | Special Weather Statement | RIW | 25 min |
| Aug 22, 1:15 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 22, 5:16 PM MDT | Special Weather Statement | RIW | 29 min |
| Aug 22, 5:18 PM MDT | Special Weather Statement | RIW | 42 min |
| Aug 22, 5:43 PM MDT | Areal Flood Advisory | RIW | 3 hr |
| Aug 22, 5:49 PM MDT | Special Weather Statement | RIW | 41 min |
| Aug 22, 6:32 PM MDT | Areal Flood Advisory | RIW | 3 hr |
| Aug 22, 7:17 PM MDT | Severe Thunderstorm Warning | RIW | 43 min |
| Aug 23, 3:11 PM MDT | Special Weather Statement | RIW | 34 min |
| Aug 23, 9:40 PM MDT | Special Weather Statement | RIW | 35 min |
| Aug 30, 1:19 PM MDT | Special Weather Statement | RIW | 26 min |
| Sep 2, 2:05 AM MDT | Fire Weather Watch | RIW | 7 hr |
| Sep 2, 9:22 AM MDT | Red Flag Warning | RIW | 36 hr |
| Sep 2, 12:10 PM MDT | Red Flag Warning | BYZ | 33 hr |
| Sep 3, 11:12 AM MDT | Red Flag Warning | RIW | 34 hr |
| Sep 3, 2:19 PM MDT | Red Flag Warning | BYZ | 31 hr |
| Sep 8, 12:58 AM MDT | Red Flag Warning | RIW | 68 hr |
| Sep 17, 10:33 AM MDT | Flood Watch | RIW | 3 days |
| Sep 18, 4:57 PM MDT | Special Weather Statement | RIW | 48 min |
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 | 13 |
| Severe Thunderstorm Watch | 5 |
| Mesoscale Discussion | 8 |
| Special Weather Statement | 44 |
| Flooding | |
| Flood Watch | 3 |
| Areal Flood Advisory | 4 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 11 |
| Heat | |
| Extreme Heat Warning | 1 |
| Extreme Heat Watch | 1 |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 4 |
| Freeze Watch | 1 |
| Wind and dust | |
| High Wind Warning | 6 |
| High Wind Watch | 2 |
| Fire | |
| Red Flag Warning | 21 |
| Fire Weather Watch | 10 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive2025
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.