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Riverview Colony, MT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Riverview Colony, a community in Chouteau County, Montana.

This Afternoon
51°F
Mostly Sunny
Mostly sunny. High near 51, with temperatures falling to around 44 in the afternoon. Southeast wind around 3 mph.

7-day forecast for Riverview Colony

WhenTempForecastWindPrecip
This Afternoon 51°F Mostly Sunny 3 mph SE 0%
Tonight 28°F Patchy Fog 0 to 3 mph SW 0%
Wednesday 46°F Patchy Fog 3 mph W 0%
Wednesday Night 27°F Patchy Fog 2 mph SSW 0%
Thursday 52°F Patchy Fog then Mostly Sunny 2 to 7 mph WSW 0%
Thursday Night 32°F Mostly Clear 6 to 9 mph WSW 0%
Friday 54°F Mostly Sunny 9 to 17 mph SW 2%
Friday Night 36°F Partly Cloudy 12 to 15 mph WSW 3%
Saturday 53°F Mostly Sunny 5 to 12 mph WSW 1%
Saturday Night 35°F Partly Cloudy 7 mph SW 0%
Sunday 60°F Partly Sunny 7 to 17 mph SW 1%
Sunday Night 36°F Mostly Cloudy 5 to 14 mph WSW 2%
Monday 53°F Partly Sunny 7 mph SW 2%
Monday Night 36°F Mostly Cloudy 7 mph S 3%

Forecast source: National Weather Service (api.weather.gov) for Riverview Colony (48.183, -111.032). Updated through the day.

Growing snapshot for Riverview Colony

Last spring frost
May 23
First fall frost
Sep 23
Growing season
120 days
Hardiness zone
4a

More local growing data for Riverview Colony: nearby ZIP 59420 weather · frost dates · planting calendar · Montana frost dates

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Climate data from the nearest NOAA station, Carter 14 W, Mt (11.6 mi from Riverview Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.