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.
Overnight
31°F
Mostly Cloudy
Mostly cloudy, with a low around 31. South wind around 3 mph.
7-day forecast for Pleasant Valley Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 31°F | Mostly Cloudy | 3 mph S | 0% |
| Wednesday | 47°F | Sunny | 0 to 3 mph W | 0% |
| Wednesday Night | 33°F | Mostly Clear | 1 to 14 mph S | 0% |
| Thursday | 51°F | Mostly Sunny | 14 to 20 mph SW | 0% |
| Thursday Night | 35°F | Partly Cloudy | 17 mph SW | 0% |
| Friday | 52°F | Sunny | 16 to 28 mph SW | 1% |
| Friday Night | 41°F | Partly Cloudy | 20 to 28 mph SW | 1% |
| Saturday | 58°F | Mostly Sunny | 6 to 20 mph SW | 0% |
| Saturday Night | 44°F | Partly Cloudy | 6 to 20 mph SSW | 0% |
| Sunday | 59°F | Partly Sunny | 12 to 23 mph SW | 2% |
| Sunday Night | 40°F | Mostly Cloudy | 9 to 14 mph SW | 2% |
| Monday | 53°F | Mostly Sunny | 2 to 9 mph SW | 0% |
| Monday Night | 40°F | Mostly Cloudy | 2 to 15 mph SSW | 0% |
| Tuesday | 56°F | Mostly Sunny | 13 to 22 mph SW | 2% |
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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Gibson Flats
Great Falls
Hardy
Malmstrom AFB
Monarch
Neihart
Riceville
Sand Coulee
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Sun Prairie
Sun River
Tracy
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 Nov 4, 2026.