Wise River, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wise River, a community in Silver Bow County, Montana.
Tonight
43°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a low around 43. West northwest wind 3 to 8 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Wise River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Showers And Thunderstorms | 3 to 8 mph WNW | 96% |
| Saturday | 53°F | Showers And Thunderstorms | 3 to 8 mph N | 96% |
| Saturday Night | 38°F | Chance Light Rain then Patchy Fog | 1 to 7 mph WSW | 36% |
| Sunday | 70°F | Patchy Fog then Mostly Sunny | 1 to 5 mph WNW | 3% |
| Sunday Night | 39°F | Mostly Clear | 1 to 7 mph SSW | 1% |
| Monday | 74°F | Sunny | 2 to 8 mph WSW | 0% |
| Monday Night | 41°F | Mostly Clear | 1 to 7 mph W | 2% |
| Tuesday | 74°F | Sunny | 2 to 6 mph SW | 3% |
| Tuesday Night | 41°F | Partly Cloudy | 2 to 6 mph WSW | 3% |
| Wednesday | 74°F | Sunny | 2 to 12 mph WSW | 1% |
| Wednesday Night | 41°F | Mostly Clear | 3 to 9 mph SW | 2% |
| Thursday | 76°F | Sunny | 3 to 9 mph SSW | 1% |
| Thursday Night | 42°F | Partly Cloudy | 6 to 10 mph S | 1% |
| Friday | 76°F | Mostly Sunny | 5 to 13 mph SSW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Wise River (45.794, -112.944). Updated through the day.
Growing snapshot for Wise River
Last spring frost
Jun 10
First fall frost
Sep 7
Growing season
85 days
Hardiness zone
5a
More local growing data for Wise River: nearby ZIP 59727 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Divide, Mt (5 mi from Wise River). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.