National Weather ServiceMontanaSnow Squall WarningArchive to October 1, 2026
Snow Squall Warnings in Montana
The National Weather Service issued 16 snow squall warnings for Montana in 2025 and 12 a year on average in 2018-2025; in 2021-2025 it had the 5th most of any state. 2026 through September: 8, 33% above the average of 6 for those months in 2008-2025. Missoula was covered most often (21 times since 2018).
How many snow squall warnings does Montana get?
Every snow squall warning that covered part of Montana. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 8 |
| 2025 | 16 |
| 2024 | 8 |
| 2023 | 6 |
| 2022 | 36 |
| 2021 | 2 |
| 2020 | 21 |
| 2019 | 7 |
| 2018 | 0 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does Montana get them?
Sum of 2018-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in Montana?
| County or forecast zone | Since 2018 | Since 2023 | Last issued |
|---|---|---|---|
| Missoula | 21 | 4 | February 18, 2026 |
| Jefferson | 18 | 12 | February 17, 2026 |
| Granite | 16 | 2 | December 27, 2025 |
| Broadwater | 13 | 8 | March 14, 2026 |
| Gallatin | 12 | 7 | February 17, 2026 |
| Powell | 12 | 1 | March 23, 2024 |
| Silver Bow | 11 | 3 | April 16, 2026 |
| Lewis and Clark | 10 | 6 | December 27, 2025 |
| Cascade | 9 | 3 | December 27, 2025 |
| Madison | 9 | 6 | February 17, 2026 |
| Deer Lodge | 8 | 1 | February 25, 2025 |
| Judith Basin | 8 | 1 | February 26, 2024 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
What is a snow squall warning?
A warning means the hazard is happening, about to happen, or very likely: act now to protect people and property. The National Weather Service office for each area sets the criteria for this product with its partners. The national record · Every warning type in Montana.