Weather WorldSweet Grass County High School, MT 7-Day Night Weather Forecast
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Sweet Grass County High School, MT Weather Forecast
Sweet Grass County High School, MT Weather Forecast Date: 419 AM MDT Fri Aug 14 2026
The area/counties/county of: Northern Sweet Grass, including the city of Big Timber.or toggle through each period.
Today... Mostly cloudy. Patchy fog early in the morning. Chance of rain showers in the morning, then chance of showers and thunderstorms in the afternoon. Highs around 70. Southwest winds 5 to 10 mph in the morning shifting to the east 5 to 15 mph in the afternoon. Chance of precipitation 50%.
Tonight... Rain showers likely and chance of thunderstorms early in the evening, then slight chance of thunderstorms late in the evening. Chance of rain showers in the late evening and overnight. Patchy fog late in the evening. Lows around 50. East winds 5 to 10 mph in the evening becoming light overnight. Chance of precipitation 70%.
Saturday... Partly sunny. Slight chance of rain showers in the morning, then chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Light and variable winds in the morning becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation 40%.
Saturday Night... Mostly cloudy. Slight chance of thunderstorms early in the evening. Chance of rain showers in the evening, then slight chance of rain showers overnight. Lows in the lower 50s. Southeast winds 5 to 10 mph in the evening becoming light overnight. Chance of precipitation 40%.
Sunday... Sunny. Highs in the lower 80s. West winds 5 to 10 mph.
Sunday Night... Mostly cloudy. Slight chance of showers and thunderstorms early in the evening, then slight chance of rain showers late in the evening. Lows in the lower 50s. Chance of precipitation 20%.
Monday... Mostly sunny. A 20% chance of showers and thunderstorms in the afternoon. Highs in the mid 80s.
Monday Night... Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain showers overnight. Lows in the lower 50s. Chance of precipitation 70%.
Tuesday... Mostly cloudy. Chance of rain showers in the morning, then chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 50%.
Tuesday Night... Mostly 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 50%.
Wednesday... Mostly sunny. A 20% chance of showers and thunderstorms in the afternoon. Highs in the upper 70s.
Wednesday Night... Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows around 50. Chance of precipitation 30%.
POP = Probability of Precipitation
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