Harrison, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    51°
    Sunday 5/12
    Forecast night icon
    51°
    Partly Cloudy
    Hourly
    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
    71°
    Forecast night icon
    Night
    50% Chance of Storms
    46°
    Monday 5/13
    Day
    71°
    50% Chance of Storms
    Forecast day icon
    Night
    46°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Breezy. Sunny in the morning then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 70 to 75. West winds 5 to 10 mph increasing to 15 to 25 mph in the afternoon. Chance of precipitation 50 percent.
    Night Details
    Mostly cloudy. A 50 percent chance of thunderstorms in the evening. Lows in the mid 40s. West winds 5 to 15 mph. Gusts up to 30 mph in the evening.
  • Forecast day icon
    Tuesday
    70% Chance of Storms
    60°
    Forecast night icon
    Night
    40% Chance of Storms
    45°
    Tuesday 5/14
    Day
    60°
    70% Chance of Storms
    Forecast day icon
    Night
    45°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Chance of rain showers in the morning then rain showers likely and chance of thunderstorms in the afternoon. Highs 60 to 65. Northwest winds 5 to 15 mph. Chance of precipitation 70 percent.
    Night Details
    Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows 40 to 45. North winds 10 to 15 mph shifting to the west after midnight. Chance of precipitation 40 percent.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    67°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Wednesday 5/15
    Day
    67°
    Partly Cloudy
    Forecast day icon
    Night
    47°
    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. Lows around 45.
  • Forecast day icon
    Thursday
    Partly Cloudy
    74°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Thursday 5/16
    Day
    74°
    Partly Cloudy
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 20 percent chance of rain showers. Highs 75 to 80. Lows 45 to 50.
    Night Details
    Partly cloudy with a 20 percent chance of rain showers. Highs 75 to 80. Lows 45 to 50.
  • Forecast day icon
    Friday
    Partly Cloudy
    67°
    Forecast night icon
    Night
    Partly Cloudy
    43°
    Friday 5/17
    Day
    67°
    Partly Cloudy
    Forecast day icon
    Night
    43°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Not as warm. Partly cloudy with a 20 percent chance of rain showers. Highs around 70. Lows around 40.
    Night Details
    Not as warm. Partly cloudy with a 20 percent chance of rain showers. Highs around 70. Lows around 40.
  • Forecast day icon
    Saturday
    40% Chance Rain Showers
    58°
    Forecast night icon
    Night
    Mostly Cloudy
    40°
    Saturday 5/18
    Day
    58°
    40% Chance Rain Showers
    Forecast day icon
    Night
    40°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 40 percent chance of rain showers. Highs 60 to 65.
    Night Details
    Mostly cloudy with a 20 percent chance of rain showers. Lows around 40.
  • Forecast day icon
    Sunday
    40% Chance of Storms
    64°
    Forecast night icon
    Night
    30% Chance of Rain
    44°
    Sunday 5/19
    Day
    64°
    40% Chance of Storms
    Forecast day icon
    Night
    44°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 40 percent.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 44F. Dew point will be around 34F with an average humidity of 52%. Winds will be 3 mph from the W.
  • Forecast day icon
    Monday
    30% Chance of Rain
    65°
    Forecast night icon
    Night
    40% Chance of Rain
    44°
    Monday 5/20
    Day
    65°
    30% Chance of Rain
    Forecast day icon
    Night
    44°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 65F. Dew point will be around 36F with an average humidity of 46%. Winds will be 5 mph from the NW.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 44F. Dew point will be around 36F with an average humidity of 54%. Winds will be 5 mph from the W.
  • Forecast day icon
    Tuesday
    40% Chance of Rain
    58°
    Forecast night icon
    Night
    40% Chance of Rain
    41°
    Tuesday 5/21
    Day
    58°
    40% Chance of Rain
    Forecast day icon
    Night
    41°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 58F. Dew point will be around 36F with an average humidity of 54%. Winds will be 8 mph from the NW.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 41F. Dew point will be around 33F with an average humidity of 57%. Winds will be 7 mph from the W.