Prairie County weather alerts
There are no active weather alerts for Prairie County, MT right now.
Since 2016 the National Weather Service has issued about 787 alerts that included Prairie County, roughly 79 a year. The most common is the severe thunderstorm warning (170 from 2016 to 2025). The last tornado warning was issued on June 9, 2016. 3 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 Prairie County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Garfield County, Wibaux County, Custer County, Fallon County.
Prairie County alert history
Alert events that included Prairie County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 170 | 16 | September 7, 2026 |
| Winter Weather Advisory | 97 | 8 | April 24, 2026 |
| Red Flag Warning | 88 | 15 | September 10, 2026 |
| Severe Thunderstorm Watch | 72 | 7 | August 30, 2026 |
| Cold Weather Advisory | 70 | 1 | January 22, 2026 |
| Fire Weather Watch | 46 | 9 | September 10, 2026 |
| High Wind Warning | 37 | 9 | September 14, 2026 |
| Heat Advisory | 29 | 3 | July 29, 2026 |
| High Wind Watch | 28 | 5 | May 13, 2026 |
| Winter Storm Watch | 26 | 3 | April 3, 2026 |
| Dense Fog Advisory | 25 | 2 | November 13, 2026 |
| Winter Storm Warning | 22 | 1 | March 13, 2026 |
| Flood Advisory | 21 | 1 | September 19, 2026 |
| Flood Watch | 16 | 2 | September 19, 2026 |
| Extreme Cold Warning | 10 | 0 | February 17, 2025 |
| Extreme Heat Warning | 7 | 4 | August 1, 2026 |
| Flash Flood Warning | 6 | 0 | July 21, 2025 |
| Blizzard Warning | 5 | 0 | December 9, 2024 |
| Extreme Heat Watch | 5 | 3 | August 1, 2026 |
| Flood Warning | 3 | 0 | April 30, 2018 |
| Tornado Watch | 2 | 0 | June 29, 2020 |
| Tornado Warning | 1 | 0 | June 9, 2016 |
| Extreme Cold Watch | 1 | 0 | February 17, 2025 |
Tornado history in Prairie County
3 tornadoes have been recorded in Prairie County since 1950. That ranks 35 of 56 counties in Montana. The most recent was on May 20, 2011 (rated EF1).
Strongest tornadoes in Prairie County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| July 18, 1962 | F2 | Prairie County | 40.6 mi | 10 yd | 0 | 0 |
| July 6, 1955 | F1 | Prairie County | 0.1 mi | 1,000 yd | 0 | 0 |
| May 20, 2011 | EF1 | Prairie County | 0.1 mi | 66 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 20, 2011 | EF1 | Prairie County | 0.1 mi | 66 yd | 0 | 0 |
| July 18, 1962 | F2 | Prairie County | 40.6 mi | 10 yd | 0 | 0 |
| July 6, 1955 | F1 | Prairie County | 0.1 mi | 1,000 yd | 0 | 0 |
About Prairie County
- Population: 1,112 (2024 estimate)
- State: Montana
- NOAA Weather Radio SAME code: 030079 (how to use it)