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Big Timber, MT Weather Forecast
Big Timber, MT Weather Forecast Date: 350 PM MDT Tue Sep 08 2026
The area/counties/county of: Northern Sweet Grass, including the city of Big Timber.or toggle through each period.
Tonight... Mostly clear. A 20% chance of rain showers early in the evening. Lows in the mid 40s. West winds 5 to 15 mph.
Wednesday... Sunny. Highs in the upper 70s. West winds 15 to 25 mph.
Wednesday Night... Mostly clear. Lows around 50. West winds 5 to 15 mph.
Thursday... Sunny. Highs in the mid 80s. West winds 15 to 25 mph.
Thursday Night... Mostly clear. Lows in the lower 50s. West winds 5 to 15 mph.
Friday... Mostly sunny. A 30% chance of rain showers in the afternoon. Cooler. Highs in the lower 70s.
Friday Night... Mostly cloudy. A 30% chance of rain showers in the evening. Colder. Lows in the lower 40s.
Saturday... Partly sunny. A 20% chance of rain showers in the afternoon. Cooler. Highs in the lower 60s.
Saturday Night... Chance of rain showers in the evening, then rain showers likely overnight. Lows in the upper 30s. Chance of precipitation 60%.
Sunday... Rain showers likely in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of precipitation 60%.
Sunday Night... Mostly cloudy. Chance of rain showers in the evening, then slight chance of rain showers overnight. Lows in the upper 30s. Chance of precipitation 50%.
Monday... Mostly sunny. Highs in the upper 60s.
Monday Night... Increasing clouds. Lows in the upper 30s.
POP = Probability of Precipitation
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