Frost dates in Sheridan County, Montana
The average last spring frost in Sheridan County falls May 16 to May 28 and the average first fall frost Sep 7 to Sep 23, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 3b to 4a. Places: Antelope, Homestead, Medicine Lake, Outlook, Plentywood, Redstone. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.
| ZIP | Place | Last spring frost | First fall frost | Zone |
|---|---|---|---|---|
| 59211 | Antelope | May 25 | Sep 14 | 3b |
| 59219 | May 16 | Sep 18 | 3b | |
| 59242 | Homestead | May 16 | Sep 18 | 3b |
| 59247 | Medicine Lake | May 16 | Sep 18 | 3b |
| 59252 | Outlook | May 28 | Sep 7 | 3b |
| 59254 | Plentywood | May 25 | Sep 14 | 3b |
| 59256 | May 19 | Sep 23 | 4a | |
| 59257 | Redstone | May 28 | Sep 7 | 3b |
| 59258 | Reserve | May 16 | Sep 18 | 3b |
| 59275 | Westby | May 18 | Sep 21 | 3b |
Nearby counties
Roosevelt County Daniels County Richland County Valley County Dawson County McCone County
All Montana counties · Download Montana frost dates (CSV)
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