Reserve, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Reserve, a community in Sheridan County, Montana.
Tonight
27°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 27. West wind around 2 mph.
7-day forecast for Reserve
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 27°F | Patchy Fog | 2 mph W | 0% |
| Wednesday | 53°F | Patchy Fog then Sunny | 2 to 7 mph N | 0% |
| Wednesday Night | 26°F | Partly Cloudy | 2 to 6 mph NNE | 0% |
| Thursday | 48°F | Partly Sunny | 3 to 10 mph SE | 0% |
| Thursday Night | 30°F | Partly Cloudy | 7 mph SSW | 0% |
| Friday | 53°F | Sunny | 6 to 13 mph WSW | 0% |
| Friday Night | 34°F | Partly Cloudy | 7 to 13 mph SW | 0% |
| Saturday | 57°F | Mostly Sunny | 7 to 17 mph W | 0% |
| Saturday Night | 30°F | Partly Cloudy | 3 to 7 mph SW | 0% |
| Sunday | 61°F | Mostly Sunny | 5 to 13 mph SW | 0% |
| Sunday Night | 39°F | Partly Cloudy | 9 to 14 mph W | 0% |
| Monday | 56°F | Mostly Sunny | 6 to 15 mph WNW | 1% |
| Monday Night | 31°F | Partly Cloudy | 6 mph WSW | 1% |
| Tuesday | 56°F | Mostly Sunny | 3 to 9 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Reserve (48.602, -104.468). Updated through the day.
Growing snapshot for Reserve
Last spring frost
May 16
First fall frost
Sep 18
Growing season
125 days
Hardiness zone
3b
More local growing data for Reserve: nearby ZIP 59247 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Medicine Lake 3 Se, Mt (4 mi from Reserve). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.