Sheridan County weather alerts
There are no active weather alerts for Sheridan County, MT right now.
Since 2016 the National Weather Service has issued about 826 alerts that included Sheridan County, roughly 83 a year. The most common is the severe thunderstorm warning (143 from 2016 to 2025). The last tornado warning was issued on June 16, 2024. 10 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 Roosevelt County, Williams County, Divide County, Daniels 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 |
|---|---|---|---|
| Severe Thunderstorm Warning | 143 | 28 | September 3, 2026 |
| Cold Weather Advisory | 129 | 4 | February 22, 2026 |
| Winter Weather Advisory | 115 | 8 | April 24, 2026 |
| Red Flag Warning | 81 | 9 | August 1, 2026 |
| Dense Fog Advisory | 71 | 7 | November 13, 2026 |
| Severe Thunderstorm Watch | 43 | 5 | August 30, 2026 |
| Fire Weather Watch | 35 | 7 | August 6, 2026 |
| Extreme Cold Warning | 28 | 1 | January 22, 2026 |
| High Wind Warning | 27 | 7 | September 14, 2026 |
| Winter Storm Watch | 26 | 1 | February 18, 2026 |
| Flood Advisory | 22 | 1 | August 14, 2026 |
| Winter Storm Warning | 22 | 0 | February 4, 2025 |
| High Wind Watch | 20 | 4 | May 13, 2026 |
| Heat Advisory | 17 | 3 | July 13, 2026 |
| Blizzard Warning | 14 | 1 | February 17, 2026 |
| Flood Watch | 9 | 0 | May 25, 2023 |
| Extreme Heat Warning | 6 | 3 | August 1, 2026 |
| Tornado Warning | 5 | 0 | June 16, 2024 |
| Extreme Heat Watch | 4 | 2 | August 1, 2026 |
| Flood Warning | 3 | 0 | March 21, 2017 |
| Extreme Cold Watch | 3 | 1 | January 22, 2026 |
| Tornado Watch | 2 | 0 | June 10, 2021 |
| Flash Flood Warning | 1 | 1 | June 28, 2026 |
Tornado history in Sheridan County
10 tornadoes have been recorded in Sheridan County since 1950, killing 2 people and injuring 1. That ranks 18 of 56 counties in Montana. The most recent was on July 9, 2018 (rated EF1).
Strongest tornadoes in Sheridan County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| July 26, 2010 | EF3 | Sheridan County | 18 mi | 880 yd | 2 | 1 |
| July 2, 1971 | F2 | Sheridan County | 10 mi | 250 yd | 0 | 0 |
| July 9, 2018 | EF1 | Sheridan County | 2.1 mi | 250 yd | 0 | 0 |
| July 14, 2004 | F0 | Sheridan County | 6.1 mi | 10 yd | 0 | 0 |
| May 9, 2016 | EF0 | Sheridan County | 0.5 mi | 30 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| July 9, 2018 | EF1 | Sheridan County | 2.1 mi | 250 yd | 0 | 0 |
| July 29, 2017 | EF0 | Sheridan County | 0.1 mi | 10 yd | 0 | 0 |
| May 9, 2016 | EF0 | Sheridan County | 0.5 mi | 30 yd | 0 | 0 |
| July 26, 2010 | EF3 | Sheridan County | 18 mi | 880 yd | 2 | 1 |
| July 14, 2004 | F0 | Sheridan County | 0.1 mi | 10 yd | 0 | 0 |
About Sheridan County
- Population: 3,448 (2024 estimate)
- State: Montana
- NOAA Weather Radio SAME code: 030091 (how to use it)