National Weather ServiceWyomingSevere Thunderstorm WatchArchive to October 1, 2026
Severe Thunderstorm Watches in Wyoming
The National Weather Service issued 31 severe thunderstorm watches for Wyoming in 2025 and 20 a year on average in 2008-2025; in 2021-2025 it had the 27th most of any state. 2026 through September: 26, 31% above the average of 20 for those months in 2008-2025. Crook was covered most often (191 times since 2008).
How many severe thunderstorm watches does Wyoming get?
Every severe thunderstorm watch that covered part of Wyoming. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 26 |
| 2025 | 31 |
| 2024 | 24 |
| 2023 | 28 |
| 2022 | 13 |
| 2021 | 6 |
| 2020 | 18 |
| 2019 | 32 |
| 2018 | 25 |
| 2017 | 4 |
| 2016 | 13 |
| 2015 | 16 |
| 2014 | 25 |
| 2013 | 27 |
| 2012 | 10 |
| 2011 | 17 |
| 2010 | 23 |
| 2009 | 24 |
| 2008 | 24 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does Wyoming get them?
Sum of 2008-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in Wyoming?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Crook | 191 | 47 | August 30, 2026 |
| Weston | 182 | 42 | August 12, 2026 |
| Goshen | 168 | 50 | August 16, 2026 |
| Niobrara | 142 | 43 | August 16, 2026 |
| Laramie | 141 | 50 | August 26, 2026 |
| Campbell | 138 | 32 | July 7, 2026 |
| Platte | 130 | 41 | August 16, 2026 |
| Converse | 97 | 28 | July 8, 2026 |
| Sheridan | 86 | 21 | August 18, 2026 |
| Johnson | 61 | 19 | August 18, 2026 |
| Albany | 53 | 12 | June 25, 2026 |
| Washakie | 36 | 10 | August 18, 2026 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
What is a severe thunderstorm watch?
Severe thunderstorm watches come from the NWS Storm Prediction Center when storms with large hail or damaging winds are possible over a large area for several hours. A watch means the conditions for the hazard are possible or favourable, but it is not yet happening: be ready to act if a warning follows. The national record · Every warning type in Wyoming.