Sheridan County weather alerts
There are no active weather alerts for Sheridan County, WY right now.
Since 2016 the National Weather Service has issued about 590 alerts that included Sheridan County, roughly 59 a year. The most common is the winter weather advisory (148 from 2016 to 2025). No tornado warnings were recorded here in that period. 11 tornadoes have touched down in the county since 1950.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
No warnings, watches or advisories include Sheridan County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Powder River County, Johnson County, Big Horn County, Big Horn County.
Sheridan County alert history
Alert events that included Sheridan County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Winter Weather Advisory | 148 | 10 | April 26, 2026 |
| Severe Thunderstorm Warning | 99 | 19 | July 19, 2026 |
| Winter Storm Warning | 43 | 1 | April 3, 2026 |
| Red Flag Warning | 41 | 8 | October 23, 2026 |
| Winter Storm Watch | 41 | 2 | April 3, 2026 |
| Severe Thunderstorm Watch | 36 | 5 | August 18, 2026 |
| High Wind Warning | 30 | 4 | March 12, 2026 |
| Fire Weather Watch | 26 | 6 | October 9, 2026 |
| Flood Advisory | 23 | 2 | July 23, 2026 |
| High Wind Watch | 20 | 3 | March 12, 2026 |
| Cold Weather Advisory | 17 | 0 | February 13, 2025 |
| Flood Watch | 17 | 4 | September 19, 2026 |
| Heat Advisory | 12 | 1 | July 26, 2026 |
| Flood Warning | 7 | 0 | June 11, 2023 |
| Flash Flood Warning | 7 | 6 | July 30, 2026 |
| Extreme Heat Warning | 6 | 3 | August 1, 2026 |
| Dense Fog Advisory | 6 | 2 | November 1, 2026 |
| Blizzard Warning | 4 | 0 | December 12, 2022 |
| Tornado Watch | 3 | 0 | June 23, 2023 |
| Extreme Heat Watch | 2 | 3 | August 1, 2026 |
| Extreme Cold Warning | 2 | 0 | January 12, 2024 |
Tornado history in Sheridan County
11 tornadoes have been recorded in Sheridan County since 1950. That ranks 16 of 23 counties in Wyoming. The most recent was on June 10, 2004 (rated F0).
Strongest tornadoes in Sheridan County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 15, 1984 | F1 | Sheridan County | 1 mi | 20 yd | 0 | 0 |
| June 11, 1968 | F1 | Sheridan County | 0.3 mi | 200 yd | 0 | 0 |
| June 7, 1968 | F1 | Sheridan County | 0.3 mi | 200 yd | 0 | 0 |
| May 29, 1953 | F1 | Sheridan County | 0.2 mi | 10 yd | 0 | 0 |
| May 20, 1961 | F1 | Sheridan County | 0.1 mi | 10 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 10, 2004 | F0 | Sheridan County | 3.6 mi | 100 yd | 0 | 0 |
| June 28, 1995 | F0 | Sheridan County | 0.1 mi | 10 yd | 0 | 0 |
| June 28, 1995 | F0 | Sheridan County | 0.1 mi | 10 yd | 0 | 0 |
| May 11, 1995 | F0 | Sheridan County | 0.1 mi | 23 yd | 0 | 0 |
| June 15, 1984 | F1 | Sheridan County | 1 mi | 20 yd | 0 | 0 |
About Sheridan County
- Population: 32,978 (2024 estimate)
- State: Wyoming
- NOAA Weather Radio SAME code: 056033 (how to use it)