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.
This Afternoon
63°F
Slight Chance Light Rain
A slight chance of rain. Cloudy. High near 63, with temperatures falling to around 60 in the afternoon. East southeast wind around 6 mph. Chance of precipitation is 20%.
7-day forecast for Pleasant Valley Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Slight Chance Light Rain | 6 mph ESE | 24% |
| Tonight | 47°F | Mostly Cloudy | 7 mph SE | 12% |
| Sunday | 70°F | Sunny | 1 to 5 mph SE | 2% |
| Sunday Night | 48°F | Mostly Clear | 3 to 9 mph SSE | 0% |
| Monday | 76°F | Sunny | 3 to 7 mph SW | 0% |
| Monday Night | 52°F | Mostly Clear | 3 to 10 mph SSW | 0% |
| Tuesday | 78°F | Sunny | 8 mph SW | 0% |
| Tuesday Night | 53°F | Partly Cloudy | 2 to 7 mph SSW | 1% |
| Wednesday | 77°F | Mostly Sunny | 7 mph SW | 2% |
| Wednesday Night | 54°F | Partly Cloudy | 6 to 9 mph SW | 6% |
| Thursday | 77°F | Sunny | 7 mph W | 4% |
| Thursday Night | 54°F | Partly Cloudy | 5 to 9 mph SE | 5% |
| Friday | 75°F | Mostly Sunny | 5 to 10 mph SSW | 7% |
| Friday Night | 49°F | Mostly Cloudy then Slight Chance Light Rain | 6 to 9 mph SW | 16% |
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
Black Eagle
Cascade
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Fair Haven Colony
Fairfield
Fort Shaw
Gibson Flats
Great Falls
Hardy
Malmstrom AFB
Monarch
Neihart
Riceville
Sand Coulee
Simms
Stockett
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 Sep 19, 2026.