Gallatin County weather alerts
There are no active weather alerts for Gallatin County, MT right now.
Since 2016 the National Weather Service has issued about 603 alerts that included Gallatin County, roughly 60 a year. The most common is the winter weather advisory (255 from 2016 to 2025). No tornado warnings were recorded here in that period. 4 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 Gallatin County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Park County, Broadwater County, Meagher County, Jefferson County.
Gallatin County alert history
Alert events that included Gallatin County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Winter Weather Advisory | 255 | 7 | October 11, 2026 |
| Severe Thunderstorm Warning | 59 | 11 | August 25, 2026 |
| Winter Storm Watch | 49 | 2 | April 24, 2026 |
| Winter Storm Warning | 43 | 2 | October 10, 2026 |
| Flood Advisory | 35 | 2 | July 22, 2026 |
| High Wind Warning | 26 | 5 | May 13, 2026 |
| Severe Thunderstorm Watch | 25 | 5 | August 27, 2026 |
| Cold Weather Advisory | 25 | 0 | February 12, 2025 |
| High Wind Watch | 24 | 5 | May 13, 2026 |
| Dense Fog Advisory | 16 | 5 | November 1, 2026 |
| Flood Watch | 13 | 3 | September 19, 2026 |
| Snow Squall Warning | 11 | 1 | February 17, 2026 |
| Extreme Cold Warning | 8 | 0 | February 13, 2025 |
| Flood Warning | 8 | 0 | June 13, 2022 |
| Heat Advisory | 4 | 2 | July 24, 2026 |
| Flash Flood Warning | 1 | 0 | June 6, 2023 |
| Extreme Cold Watch | 1 | 0 | February 11, 2025 |
| Extreme Heat Watch | 0 | 1 | July 12, 2026 |
| Extreme Heat Warning | 0 | 1 | August 1, 2026 |
Tornado history in Gallatin County
4 tornadoes have been recorded in Gallatin County since 1950. That ranks 30 of 56 counties in Montana. The most recent was on July 2, 1997 (rated F0).
Strongest tornadoes in Gallatin County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 15, 1960 | F1 | Gallatin County | 1.3 mi | 17 yd | 0 | 0 |
| May 17, 1994 | F0 | Gallatin County | 0.1 mi | 10 yd | 0 | 0 |
| July 2, 1997 | F0 | Gallatin County | 0.1 mi | 20 yd | 0 | 0 |
| July 2, 1997 | F0 | Gallatin County | 0.1 mi | 20 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| July 2, 1997 | F0 | Gallatin County | 0.1 mi | 20 yd | 0 | 0 |
| July 2, 1997 | F0 | Gallatin County | 0.1 mi | 20 yd | 0 | 0 |
| May 17, 1994 | F0 | Gallatin County | 0.1 mi | 10 yd | 0 | 0 |
| June 15, 1960 | F1 | Gallatin County | 1.3 mi | 17 yd | 0 | 0 |
About Gallatin County
- Population: 126,984 (2024 estimate)
- State: Montana
- NOAA Weather Radio SAME code: 030031 (how to use it)