Yellowstone County weather alerts
There are no active weather alerts for Yellowstone County, MT right now.
Since 2016 the National Weather Service has issued about 621 alerts that included Yellowstone County, roughly 62 a year. The most common is the severe thunderstorm warning (150 from 2016 to 2025). The last tornado warning was issued on June 14, 2025. 21 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 Yellowstone County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Golden Valley County, Musselshell County, Treasure County, Stillwater County.
Yellowstone County alert history
Alert events that included Yellowstone County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 150 | 14 | August 27, 2026 |
| Winter Weather Advisory | 118 | 5 | April 3, 2026 |
| Red Flag Warning | 45 | 6 | September 3, 2026 |
| Severe Thunderstorm Watch | 37 | 6 | August 23, 2026 |
| Winter Storm Watch | 36 | 2 | April 2, 2026 |
| Flood Advisory | 30 | 8 | September 7, 2026 |
| Fire Weather Watch | 30 | 6 | September 3, 2026 |
| Winter Storm Warning | 27 | 1 | March 12, 2026 |
| High Wind Warning | 25 | 5 | May 13, 2026 |
| Cold Weather Advisory | 25 | 0 | February 17, 2025 |
| High Wind Watch | 19 | 2 | May 14, 2026 |
| Heat Advisory | 18 | 1 | July 24, 2026 |
| Flash Flood Warning | 14 | 1 | June 27, 2026 |
| Dense Fog Advisory | 13 | 2 | November 1, 2026 |
| Flood Watch | 10 | 3 | September 19, 2026 |
| Flood Warning | 7 | 0 | January 16, 2024 |
| Extreme Heat Warning | 6 | 3 | August 1, 2026 |
| Extreme Cold Warning | 4 | 0 | January 12, 2024 |
| Extreme Heat Watch | 4 | 3 | August 1, 2026 |
| Tornado Warning | 2 | 0 | June 14, 2025 |
| Tornado Watch | 1 | 0 | August 11, 2019 |
Tornado history in Yellowstone County
21 tornadoes have been recorded in Yellowstone County since 1950, injuring 3 people. That ranks 3 of 56 counties in Montana. The most recent was on May 21, 2016 (rated EF1).
Strongest tornadoes in Yellowstone County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 16, 1965 | F3 | Yellowstone County | 20.6 mi | 10 yd | 0 | 0 |
| June 20, 2010 | EF2 | Yellowstone County | 0.7 mi | 120 yd | 0 | 0 |
| July 2, 1958 | F2 | Yellowstone County | 0.5 mi | 50 yd | 0 | 2 |
| July 6, 1955 | F1 | Yellowstone County | 2 mi | 50 yd | 0 | 0 |
| May 21, 2016 | EF1 | Yellowstone County | 2 mi | 150 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 21, 2016 | EF1 | Yellowstone County | 2 mi | 150 yd | 0 | 0 |
| June 6, 2011 | EF0 | Yellowstone County | 0.3 mi | 50 yd | 0 | 0 |
| June 6, 2011 | EF0 | Yellowstone County | 0 mi | 50 yd | 0 | 0 |
| June 20, 2010 | EF2 | Yellowstone County | 0.7 mi | 120 yd | 0 | 0 |
| August 11, 2005 | F0 | Stillwater County | 9 mi | 50 yd | 0 | 0 |
About Yellowstone County
- Population: 171,583 (2024 estimate)
- State: Montana
- NOAA Weather Radio SAME code: 030111 (how to use it)
- Cities: Billings