Pleasant Valley Colony, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pleasant Valley Colony, a community in Cascade County, Montana.
Today
65°F
Chance Light Rain
A chance of rain before 5pm. Cloudy. High near 65, with temperatures falling to around 62 in the afternoon. East southeast wind 1 to 6 mph. Chance of precipitation is 30%.
7-day forecast for Pleasant Valley Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 65°F | Chance Light Rain | 1 to 6 mph ESE | 30% |
| Tonight | 47°F | Mostly Cloudy | 7 mph SE | 8% |
| Sunday | 70°F | Mostly Sunny | 1 to 5 mph ENE | 1% |
| Sunday Night | 48°F | Mostly Clear | 3 to 9 mph SSE | 0% |
| Monday | 76°F | Sunny | 3 to 7 mph SSW | 0% |
| Monday Night | 51°F | Mostly Clear | 3 to 10 mph SSW | 0% |
| Tuesday | 76°F | Sunny | 5 to 8 mph SW | 0% |
| Tuesday Night | 52°F | Mostly Clear | 3 to 8 mph SSW | 0% |
| Wednesday | 78°F | Sunny | 7 mph SW | 1% |
| Wednesday Night | 53°F | Mostly Clear | 3 to 10 mph SSW | 4% |
| Thursday | 78°F | Sunny | 6 to 9 mph SW | 2% |
| Thursday Night | 53°F | Mostly Clear | 3 to 12 mph S | 7% |
| Friday | 76°F | Mostly Sunny | 9 mph SSW | 5% |
| Friday Night | 49°F | Slight Chance Light Rain | 8 mph SW | 21% |
Forecast source: National Weather Service (api.weather.gov) for Pleasant Valley Colony (47.338, -111.045). Updated through the day.
Growing snapshot for Pleasant Valley Colony
Last spring frost
May 22
First fall frost
Sep 23
Growing season
123 days
Hardiness zone
4b
More local growing data for Pleasant Valley Colony: nearby ZIP 59480 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Belt
Big Stone Colony
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Cascade
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Fairfield
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Gibson Flats
Great Falls
Hardy
Malmstrom AFB
Monarch
Neihart
Riceville
Sand Coulee
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Sun Prairie
Sun River
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Ulm
Vaughn
Climate data from the nearest NOAA station, Raynesford 2 Nnw, Mt (16.5 mi from Pleasant Valley Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.