Sand Coulee, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sand Coulee, a community in Cascade County, Montana.
Overnight
52°F
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 52. West wind around 1 mph. Chance of precipitation is 30%.
7-day forecast for Sand Coulee
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Chance Light Rain | 1 mph W | 33% |
| Saturday | 67°F | Slight Chance Light Rain then Mostly Cloudy | 0 to 6 mph NE | 22% |
| Saturday Night | 47°F | Mostly Cloudy | 3 to 7 mph SSE | 6% |
| Sunday | 73°F | Mostly Sunny | 3 mph NE | 1% |
| Sunday Night | 48°F | Mostly Clear | 3 to 9 mph SSE | 0% |
| Monday | 79°F | Sunny | 5 mph SSW | 0% |
| Monday Night | 51°F | Mostly Clear | 3 to 9 mph SSW | 0% |
| Tuesday | 79°F | Sunny | 7 mph SW | 0% |
| Tuesday Night | 51°F | Mostly Clear | 6 mph SSW | 0% |
| Wednesday | 80°F | Sunny | 6 mph SW | 1% |
| Wednesday Night | 53°F | Mostly Clear | 5 to 9 mph SSW | 4% |
| Thursday | 81°F | Sunny | 8 mph SW | 2% |
| Thursday Night | 53°F | Mostly Clear | 5 to 10 mph S | 7% |
| Friday | 77°F | Mostly Sunny | 6 to 9 mph SW | 5% |
Forecast source: National Weather Service (api.weather.gov) for Sand Coulee (47.402, -111.173). Updated through the day.
Growing snapshot for Sand Coulee
Last spring frost
May 6
First fall frost
Oct 1
Growing season
147 days
Hardiness zone
4b
More local growing data for Sand Coulee: nearby ZIP 59472 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
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Gibson Flats
Great Falls
Hardy
Malmstrom AFB
Monarch
Neihart
Pleasant Valley Colony
Riceville
Simms
Stockett
Sun Prairie
Sun River
Tracy
Ulm
Vaughn
Climate data from the nearest NOAA station, Great Falls 16St, Mt (10.9 mi from Sand Coulee). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.