Big Stone Colony, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Big Stone Colony, a community in Cascade County, Montana.
Today
77°F
Sunny
Sunny, with a high near 77. North wind 2 to 6 mph.
7-day forecast for Big Stone Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Sunny | 2 to 6 mph N | 0% |
| Tonight | 50°F | Mostly Clear | 8 mph SE | 1% |
| Wednesday | 84°F | Sunny | 5 to 9 mph WSW | 0% |
| Wednesday Night | 55°F | Mostly Clear | 5 to 8 mph S | 0% |
| Thursday | 93°F | Sunny | 8 to 12 mph WSW | 0% |
| Thursday Night | 59°F | Clear | 8 mph ESE | 0% |
| Friday | 96°F | Sunny | 6 to 20 mph WSW | 0% |
| Friday Night | 60°F | Mostly Clear | 9 to 14 mph WSW | 0% |
| Saturday | 93°F | Sunny | 9 mph WSW | 0% |
| Saturday Night | 61°F | Mostly Clear | 6 to 12 mph W | 1% |
| Sunday | 88°F | Sunny | 5 to 8 mph NW | 0% |
| Sunday Night | 58°F | Partly Cloudy | 5 to 12 mph NNE | 4% |
| Monday | 87°F | Sunny | 7 mph NW | 5% |
| Monday Night | 58°F | Mostly Clear | 6 to 10 mph E | 12% |
Forecast source: National Weather Service (api.weather.gov) for Big Stone Colony (47.400, -111.209). Updated through the day.
Growing snapshot for Big Stone Colony
Last spring frost
May 6
First fall frost
Oct 1
Growing season
147 days
Hardiness zone
4b
More local growing data for Big Stone Colony: nearby ZIP 59472 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Belt
Black Eagle
Cascade
Cascade Colony
Centerville
Fair Haven Colony
Fairfield
Fort Shaw
Gibson Flats
Great Falls
Hardy
Malmstrom AFB
Monarch
Neihart
Pleasant Valley Colony
Riceville
Sand Coulee
Simms
Stockett
Sun Prairie
Sun River
Tracy
Ulm
Vaughn
Climate data from the nearest NOAA station, Great Falls 16St, Mt (10.9 mi from Big Stone Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.