Teton County weather alerts
There are no active weather alerts for Teton County, MT right now.
Since 2016 the National Weather Service has issued about 552 alerts that included Teton County, roughly 55 a year. The most common is the winter weather advisory (115 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 Teton County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Lewis and Clark County, Flathead County, Chouteau County, Pondera County.
Teton County alert history
Alert events that included Teton County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Winter Weather Advisory | 115 | 0 | April 16, 2022 |
| Severe Thunderstorm Warning | 99 | 16 | September 2, 2026 |
| High Wind Warning | 67 | 0 | July 18, 2022 |
| High Wind Watch | 63 | 0 | July 18, 2022 |
| Winter Storm Watch | 33 | 0 | February 19, 2022 |
| Cold Weather Advisory | 32 | 0 | March 9, 2022 |
| Flood Advisory | 32 | 1 | May 31, 2026 |
| Winter Storm Warning | 26 | 0 | October 23, 2020 |
| Severe Thunderstorm Watch | 23 | 5 | September 2, 2026 |
| Dense Fog Advisory | 16 | 0 | March 3, 2022 |
| Flood Watch | 13 | 0 | August 24, 2022 |
| Flood Warning | 9 | 0 | June 9, 2023 |
| Heat Advisory | 8 | 0 | September 7, 2022 |
| Blizzard Warning | 5 | 0 | November 7, 2020 |
| Extreme Cold Warning | 4 | 0 | February 9, 2021 |
| Flash Flood Warning | 4 | 0 | June 24, 2023 |
| Snow Squall Warning | 2 | 0 | December 27, 2025 |
| Extreme Heat Watch | 1 | 0 | July 15, 2017 |
Tornado history in Teton County
4 tornadoes have been recorded in Teton County since 1950. That ranks 30 of 56 counties in Montana. The most recent was on June 29, 1986 (rated F0).
Strongest tornadoes in Teton County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| July 2, 1966 | F2 | Teton County | 0.8 mi | 50 yd | 0 | 0 |
| July 2, 1964 | F1 | Teton County | 27 mi | 10 yd | 0 | 0 |
| June 5, 1963 | F0 | Teton County | 1.5 mi | 10 yd | 0 | 0 |
| June 29, 1986 | F0 | Teton County | 0.2 mi | 10 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 29, 1986 | F0 | Teton County | 0.2 mi | 10 yd | 0 | 0 |
| July 2, 1966 | F2 | Teton County | 0.8 mi | 50 yd | 0 | 0 |
| July 2, 1964 | F1 | Teton County | 27 mi | 10 yd | 0 | 0 |
| June 5, 1963 | F0 | Teton County | 1.5 mi | 10 yd | 0 | 0 |
About Teton County
- Population: 6,444 (2024 estimate)
- State: Montana
- NOAA Weather Radio SAME code: 030099 (how to use it)