Harrison, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    50% Chance of Storms
    47°
    Monday 5/13
    Forecast night icon
    47°
    50% Chance of Storms
    Hourly
    Night Details
    Mostly cloudy. Chance of rain showers and slight chance of thunderstorms early in the evening. Lows in the mid 40s. West winds 5 to 15 mph. Chance of precipitation 50 percent.
  • Forecast day icon
    Tuesday
    70% Chance of Storms
    60°
    Forecast night icon
    Night
    50% Chance of Storms
    43°
    Tuesday 5/14
    Day
    60°
    70% Chance of Storms
    Forecast day icon
    Night
    43°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Cooler. Mostly cloudy. Slight chance of rain 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 thunderstorms in the evening then slight chance of thunderstorms after midnight. Lows 40 to 45. Northeast winds 5 to 15 mph shifting to the west after midnight. Chance of thunderstorms 50 percent.
  • Forecast day icon
    Wednesday
    Mostly Cloudy
    68°
    Forecast night icon
    Night
    Partly Cloudy
    46°
    Wednesday 5/15
    Day
    68°
    Mostly Cloudy
    Forecast day icon
    Night
    46°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Highs around 70. West winds 5 to 15 mph.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. Lows around 45. West winds 5 to 15 mph.
  • Forecast day icon
    Thursday
    Partly Cloudy
    75°
    Forecast night icon
    Night
    Mostly Clear
    49°
    Thursday 5/16
    Day
    75°
    Partly Cloudy
    Forecast day icon
    Night
    49°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs 75 to 80.
    Night Details
    Mostly clear. Lows 45 to 50. Highs 75 to 80.
  • Forecast day icon
    Friday
    Mostly Sunny
    72°
    Forecast night icon
    Night
    Mostly Clear
    41°
    Friday 5/17
    Day
    72°
    Mostly Sunny
    Forecast day icon
    Night
    41°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows 45 to 50. Highs 75 to 80.
    Night Details
    Mostly clear with a 20 percent chance of rain showers. Lows 40 to 45.
  • Forecast day icon
    Saturday
    40% Chance of Storms
    62°
    Forecast night icon
    Night
    Partly Cloudy
    39°
    Saturday 5/18
    Day
    62°
    40% Chance of Storms
    Forecast day icon
    Night
    39°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Cooler. Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 40 percent.
    Night Details
    Partly cloudy with a 20 percent chance of rain showers. Lows around 40.
  • Forecast day icon
    Sunday
    30% Chance of Storms
    64°
    Forecast night icon
    Night
    Partly Cloudy
    41°
    Sunday 5/19
    Day
    64°
    30% Chance of Storms
    Forecast day icon
    Night
    41°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 30 percent.
    Night Details
    Partly cloudy with a 20 percent chance of rain showers. Lows around 40.
  • Forecast day icon
    Monday
    30% Chance Rain Showers
    65°
    Forecast night icon
    Night
    Cloudy
    43°
    Monday 5/20
    Day
    65°
    30% Chance Rain Showers
    Forecast day icon
    Night
    43°
    Cloudy
    Forecast night icon
    Day Details
    Partly cloudy with a 30 percent chance of rain showers. Highs 65 to 70.
    Night Details
    Cloudy. Low temperature around 43F. Dew point will be around 34F with an average humidity of 52%. Winds will be 6 mph from the W.
  • Forecast day icon
    Tuesday
    40% Chance of Rain
    61°
    Forecast night icon
    Night
    50% Chance of Rain
    41°
    Tuesday 5/21
    Day
    61°
    40% Chance of Rain
    Forecast day icon
    Night
    41°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 61F. Dew point will be around 35F with an average humidity of 48%. Winds will be 7 mph from the W.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 41F. Dew point will be around 35F with an average humidity of 59%. Winds will be 7 mph from the W.
  • Forecast day icon
    Wednesday
    50% Chance of Rain
    58°
    Forecast night icon
    Night
    50% Chance of Rain
    40°
    Wednesday 5/22
    Day
    58°
    50% Chance of Rain
    Forecast day icon
    Night
    40°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a 45% chance for rain and thunderstorms. High temperature around 58F. Dew point will be around 33F with an average humidity of 50%. Winds will be 8 mph from the NW.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 40F. Dew point will be around 34F with an average humidity of 59%. Winds will be 7 mph from the W.