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Colstrip, MT Weather Forecast
Colstrip, MT Weather Forecast Date: 548 PM MDT Mon Sep 14 2026
The area/counties/county of: Northern Rosebud, including the cities of: Colstrip and Forsyth.or toggle through each period.
Tonight... Partly cloudy. Patchy fog after 3 am. Lows in the lower 40s. Northwest winds 15 to 25 mph with gusts to around 45 mph in the evening becoming west 5 to 15 mph overnight.
Tuesday... Decreasing clouds. Patchy fog early in the morning. Highs in the upper 60s. Northwest winds 5 to 10 mph in the morning shifting to the east 5 to 15 mph in the afternoon.
Tuesday Night... Partly cloudy. Lows in the upper 40s. East winds 10 to 20 mph.
Wednesday... Sunny. Highs around 70. Northwest winds 5 to 15 mph.
Wednesday Night... Mostly clear. Lows in the mid 40s. East winds 5 to 10 mph.
Thursday... Mostly sunny. Highs in the upper 70s.
Thursday Night... Mostly cloudy. Lows in the mid 50s.
Friday... Partly sunny. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 50%.
Friday Night... Rain showers likely and chance of thunderstorms in the evening, then rain showers likely overnight. Lows in the lower 50s. Chance of precipitation 70%.
Saturday... Partly sunny. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 50%.
Saturday Night... Partly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers overnight. Lows in the upper 40s. Chance of precipitation 30%.
Sunday... Mostly sunny. A 20% chance of rain showers in the morning. Highs in the lower 70s.
Sunday Night... Mostly clear. Lows in the upper 40s.
POP = Probability of Precipitation
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