Three Forks, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    43°
    Saturday 5/11
    Forecast night icon
    43°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy. Lows in the mid 40s. West winds 5 to 10 mph.
  • Forecast day icon
    Sunday
    Partly Cloudy
    75°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Sunday 5/12
    Day
    75°
    Partly Cloudy
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny in the morning then becoming partly cloudy. Highs 75 to 80. West winds up to 10 mph.
    Night Details
    Partly cloudy. Lows 45 to 50. North winds 5 to 10 mph shifting to the west after midnight.
  • Forecast day icon
    Monday
    50% Chance of Storms
    73°
    Forecast night icon
    Night
    Partly Cloudy
    45°
    Monday 5/13
    Day
    73°
    50% Chance of Storms
    Forecast day icon
    Night
    45°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Breezy. Partly cloudy in the morning then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 70 to 75. Southwest winds up to 10 mph increasing to west 15 to 25 mph in the afternoon. Chance of precipitation 50 percent.
    Night Details
    Mostly cloudy with a 20 percent chance of thunderstorms in the evening then partly cloudy after midnight. Lows around 45. West winds 5 to 15 mph. Gusts up to 30 mph in the evening.
  • Forecast day icon
    Tuesday
    70% Chance of Storms
    63°
    Forecast night icon
    Night
    Partly Cloudy
    42°
    Tuesday 5/14
    Day
    63°
    70% Chance of Storms
    Forecast day icon
    Night
    42°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Rain showers likely and chance of thunderstorms. Highs around 65. Chance of precipitation 70 percent.
    Night Details
    Partly cloudy with a 20 percent chance of rain. Lows around 40.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    69°
    Forecast night icon
    Night
    Partly Cloudy
    44°
    Wednesday 5/15
    Day
    69°
    Partly Cloudy
    Forecast day icon
    Night
    44°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs 65 to 70.
    Night Details
    Partly cloudy with a 20 percent chance of rain. Lows around 45.
  • Forecast day icon
    Thursday
    30% Chance of Rain
    74°
    Forecast night icon
    Night
    Partly Cloudy
    40°
    Thursday 5/16
    Day
    74°
    30% Chance of Rain
    Forecast day icon
    Night
    40°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 30 percent chance of rain. Highs 70 to 75.
    Night Details
    Partly cloudy with a 20 percent chance of rain. Lows 40 to 45.
  • Forecast day icon
    Friday
    Partly Cloudy
    71°
    Forecast night icon
    Night
    Partly Cloudy
    41°
    Friday 5/17
    Day
    71°
    Partly Cloudy
    Forecast day icon
    Night
    41°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 20 percent chance of thunderstorms. Highs 65 to 70.
    Night Details
    Partly cloudy with a 20 percent chance of rain. Lows around 40.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    70°
    Forecast night icon
    Night
    Clear
    42°
    Saturday 5/18
    Day
    70°
    30% Chance of Rain
    Forecast day icon
    Night
    42°
    Clear
    Forecast night icon
    Day Details
    Partly cloudy with a 30 percent chance of rain. Highs around 65.
    Night Details
    Clear. Low temperature around 42F. Dew point will be around 34F with an average humidity of 52%. Winds will be 2 mph from the N.
  • Forecast day icon
    Sunday
    Mostly Sunny
    71°
    Forecast night icon
    Night
    40% Chance of Rain
    42°
    Sunday 5/19
    Day
    71°
    Mostly Sunny
    Forecast day icon
    Night
    42°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 71F. Dew point will be around 36F with an average humidity of 43%. Winds will be 4 mph from the W.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 42F. Dew point will be around 38F with an average humidity of 58%. Winds will be 2 mph from the W.
  • Forecast day icon
    Monday
    40% Chance of Rain
    65°
    Forecast night icon
    Night
    40% Chance of Rain
    40°
    Monday 5/20
    Day
    65°
    40% Chance of Rain
    Forecast day icon
    Night
    40°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 65F. Dew point will be around 38F with an average humidity of 49%. Winds will be 5 mph from the W.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 40F. Dew point will be around 36F with an average humidity of 61%. Winds will be 4 mph from the NW.