Butte-Silver Bow (balance), MT Weather & Growing Conditions
Tonight
42°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. Low around 42, with temperatures rising to around 47 overnight. Northeast wind 8 to 12 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 42°F | Showers And Thunderstorms | 8 to 12 mph NE | 98% |
| Saturday | 46°F | Showers And Thunderstorms | 9 mph NE | 94% |
| Saturday Night | 39°F | Chance Rain Showers then Mostly Cloudy | 7 mph NW | 40% |
| Sunday | 57°F | Mostly Sunny | 3 to 7 mph WNW | 3% |
| Sunday Night | 40°F | Mostly Clear | 6 mph WSW | 0% |
| Monday | 61°F | Sunny | 7 mph WSW | 0% |
| Monday Night | 43°F | Partly Cloudy | 3 to 7 mph W | 1% |
| Tuesday | 61°F | Sunny | 3 to 8 mph SW | 2% |
| Tuesday Night | 43°F | Partly Cloudy | 7 mph WSW | 3% |
| Wednesday | 61°F | Sunny | 7 to 10 mph SW | 2% |
| Wednesday Night | 43°F | Mostly Clear | 8 mph SW | 2% |
| Thursday | 63°F | Sunny | 8 to 12 mph SSW | 1% |
| Thursday Night | 44°F | Partly Cloudy | 10 mph S | 1% |
| Friday | 63°F | Mostly Sunny | 9 to 13 mph SSW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Butte-Silver Bow (balance), MT
Last spring frost
Jun 10
First fall frost
Sep 7
Growing season
85 days
Hardiness zone
5a
Explore more for Butte-Silver Bow (balance), MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Divide, Mt (5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.