Harrison, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Partly Cloudy
    36°
    Sunday 5/19
    Forecast night icon
    36°
    Partly Cloudy
    Hourly
    Night Details
    Partly cloudy early in the evening then becoming mostly cloudy. A 20 percent chance of rain after midnight. Lows in the mid 30s. Northwest winds up to 10 mph.
  • Forecast day icon
    Monday
    70% Chance Frozen Mix
    51°
    Forecast night icon
    Night
    50% Chance of Storms
    36°
    Monday 5/20
    Day
    51°
    70% Chance Frozen Mix
    Forecast day icon
    Night
    36°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Chance of rain and snow in the morning then rain showers likely and slight chance of thunderstorms in the afternoon. No snow accumulation. Highs 50 to 55. North 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 then slight chance of rain after midnight. Lows in the mid 30s. North winds 5 to 15 mph shifting to the northwest after midnight. Chance of precipitation 50 percent.
  • Forecast day icon
    Tuesday
    40% Chance of Storms
    58°
    Forecast night icon
    Night
    Mostly Cloudy
    41°
    Tuesday 5/21
    Day
    58°
    40% Chance of Storms
    Forecast day icon
    Night
    41°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with slight chance of rain in the morning then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 60. West winds up to 10 mph. Chance of precipitation 40 percent.
    Night Details
    Mostly cloudy. A 20 percent chance of rain in the evening. Lows around 40. Southwest winds up to 10 mph.
  • Forecast day icon
    Wednesday
    70% Chance of Storms
    56°
    Forecast night icon
    Night
    Thunderstorms
    38°
    Wednesday 5/22
    Day
    56°
    70% Chance of Storms
    Forecast day icon
    Night
    38°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Rain showers likely and slight chance of thunderstorms. Highs around 60. Chance of precipitation 70 percent.
    Night Details
    Cooler. Rain showers and slight chance of thunderstorms. Lows 35 to 40. Highs 45 to 50. Chance of precipitation 90 percent.
  • Forecast day icon
    Thursday
    Thunderstorms
    46°
    Forecast night icon
    Night
    50% Chance of Rain
    34°
    Thursday 5/23
    Day
    46°
    Thunderstorms
    Forecast day icon
    Night
    34°
    50% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Cooler. Rain showers and slight chance of thunderstorms. Lows 35 to 40. Highs 45 to 50. Chance of precipitation 90 percent.
    Night Details
    Mostly cloudy with a 50 percent chance of rain. Lows around 35.
  • Forecast day icon
    Friday
    40% Chance of Storms
    59°
    Forecast night icon
    Night
    Mostly Cloudy
    40°
    Friday 5/24
    Day
    59°
    40% Chance of Storms
    Forecast day icon
    Night
    40°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Not as cool. Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 60. Chance of precipitation 40 percent.
    Night Details
    Mostly cloudy with a 20 percent chance of rain. Lows 35 to 40.
  • Forecast day icon
    Saturday
    50% Chance of Storms
    62°
    Forecast night icon
    Night
    40% Chance of Rain
    40°
    Saturday 5/25
    Day
    62°
    50% Chance of Storms
    Forecast day icon
    Night
    40°
    40% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 50 percent.
    Night Details
    Mostly cloudy with a 40 percent chance of rain. Lows around 40.
  • Forecast day icon
    Sunday
    50% Chance of Storms
    57°
    Forecast night icon
    Night
    30% Chance of Rain
    39°
    Sunday 5/26
    Day
    57°
    50% Chance of Storms
    Forecast day icon
    Night
    39°
    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 50 percent.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 39F. Dew point will be around 33F with an average humidity of 61%. Winds will be 6 mph from the W.
  • Forecast day icon
    Monday
    Mostly Sunny
    63°
    Forecast night icon
    Night
    Mostly Clear
    41°
    Monday 5/27
    Day
    63°
    Mostly Sunny
    Forecast day icon
    Night
    41°
    Mostly Clear
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 63F. Dew point will be around 33F with an average humidity of 48%. Winds will be 7 mph from the W.
    Night Details
    Mostly clear. Low temperature around 41F. Dew point will be around 35F with an average humidity of 56%. Winds will be 4 mph from the W.
  • Forecast day icon
    Tuesday
    Sunny
    69°
    Forecast night icon
    Night
    Mostly Clear
    45°
    Tuesday 5/28
    Day
    69°
    Sunny
    Forecast day icon
    Night
    45°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 69F. Dew point will be around 36F with an average humidity of 47%. Winds will be 4 mph from the SW.
    Night Details
    Mostly clear. Low temperature around 45F. Dew point will be around 37F with an average humidity of 53%. Winds will be 3 mph from the SW.