Weather WorldFirst Creek Reservoir, MT 7-Day Night Weather Forecast
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First Creek Reservoir, MT Weather Forecast
First Creek Reservoir, MT Weather Forecast Date: 350 AM MDT Thu Aug 27 2026
The area/counties/county of: Northern Sweet Grass, including the city of Big Timber.or toggle through each period.
Today... Mostly sunny. Chance of showers and thunderstorms in the afternoon. Some thunderstorms May produce gusty winds. Highs in the lower 90s. South winds 5 to 10 mph. Chance of precipitation 30%.
Tonight... Mostly cloudy. Chance of showers and slight chance of thunderstorms early in the evening, then chance of showers late in the evening. Some thunderstorms May produce gusty winds early in the evening. Lows in the upper 50s. Southwest winds 5 to 15 mph. Chance of precipitation 50%.
Friday... Mostly cloudy. Slight chance of rain showers late in the morning. Chance of rain showers and slight chance of thunderstorms in the afternoon. Some thunderstorms May produce gusty winds. Highs in the lower 80s. Southwest winds 5 to 15 mph. Chance of precipitation 40%.
Friday Night... Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Some thunderstorms May produce gusty winds. Lows in the mid 50s. Southwest winds 5 to 10 mph. Chance of precipitation 50%.
Saturday... Rain showers likely and slight chance of thunderstorms in the morning and early afternoon, then rain showers likely and chance of thunderstorms late in the afternoon. Some thunderstorms May produce gusty winds in the morning and early afternoon. Some thunderstorms May produce gusty winds late in the afternoon. Highs in the upper 70s. Southwest winds 5 to 10 mph. Chance of precipitation 70%.
Saturday Night... Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers overnight. Some thunderstorms May produce gusty winds. Lows in the lower 50s. Chance of precipitation 70%.
Sunday... Partly sunny. Chance of rain showers and slight chance of thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. Some thunderstorms May produce gusty winds in the morning. Some thunderstorms May produce gusty winds in the afternoon. Highs in the mid 70s. Chance of precipitation 50%.
Sunday Night... Mostly clear. Lows in the mid 40s.
Monday... Sunny. Highs in the upper 70s.
Monday Night... Mostly clear. Lows in the upper 40s.
Tuesday... Mostly sunny. Highs in the lower 80s.
Tuesday Night... Partly cloudy. Lows in the lower 50s.
POP = Probability of Precipitation
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