Sun River, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Cloudy
    44°
    Saturday 5/4
    Forecast night icon
    44°
    Mostly Cloudy
    Hourly
    Night Details
    Mostly cloudy. Lows 40 to 45. East winds 5 to 15 mph.
  • Forecast day icon
    Sunday
    50% Chance of Rain
    59°
    Forecast night icon
    Night
    Thunderstorms
    44°
    Sunday 5/5
    Day
    59°
    50% Chance of Rain
    Forecast day icon
    Night
    44°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A 50 percent chance of rain in the afternoon. Highs 60 to 65. East winds up to 10 mph.
    Night Details
    Rain showers and slight chance of thunderstorms in the evening then rain after midnight. Lows 40 to 45. West winds 5 to 15 mph. Chance of precipitation 90 percent.
  • Forecast day icon
    Monday
    70% Chance of Rain
    54°
    Forecast night icon
    Night
    50% Chance Frozen Mix
    41°
    Monday 5/6
    Day
    54°
    70% Chance of Rain
    Forecast day icon
    Night
    41°
    50% Chance Frozen Mix
    Forecast night icon
    Hourly
    Day Details
    Windy cloudy. Rain likely in the morning then chance of rain in the afternoon. Highs 50 to 55. Southwest winds 10 to 20 mph increasing to west 20 to 30 mph in the afternoon. Chance of rain 70 percent.
    Night Details
    Windy. Mostly cloudy. Chance of rain in the evening then chance of rain and snow after midnight. Lows around 40. West winds 20 to 30 mph with gusts to around 45 mph. Chance of precipitation 50 percent.
  • Forecast day icon
    Tuesday
    50% Chance Frozen Mix
    48°
    Forecast night icon
    Night
    Frozen Mix
    36°
    Tuesday 5/7
    Day
    48°
    50% Chance Frozen Mix
    Forecast day icon
    Night
    36°
    Frozen Mix
    Forecast night icon
    Hourly
    Day Details
    Windy. Mostly cloudy with a 50 percent chance of rain and snow. Highs 45 to 50.
    Night Details
    Windy. Rain and snow. Moderate snow accumulations. Lows 35 to 40. Highs 40 to 45. Chance of precipitation 90 percent.
  • Forecast day icon
    Wednesday
    Frozen Mix
    39°
    Forecast night icon
    Night
    70% Chance of Rain
    34°
    Wednesday 5/8
    Day
    39°
    Frozen Mix
    Forecast day icon
    Night
    34°
    70% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Windy. Rain and snow. Moderate snow accumulations. Lows 35 to 40. Highs 40 to 45. Chance of precipitation 90 percent.
    Night Details
    Rain likely. Lows 35 to 40. Chance of rain 70 percent.
  • Forecast day icon
    Thursday
    50% Chance of Rain
    53°
    Forecast night icon
    Night
    Partly Cloudy
    40°
    Thursday 5/9
    Day
    53°
    50% Chance of Rain
    Forecast day icon
    Night
    40°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Not as cool. Mostly cloudy with a 50 percent chance of rain. Highs 50 to 55.
    Night Details
    Partly cloudy with a 20 percent chance of rain. Lows around 35.
  • Forecast day icon
    Friday
    Mostly Sunny
    60°
    Forecast night icon
    Night
    Mostly Clear
    40°
    Friday 5/10
    Day
    60°
    Mostly Sunny
    Forecast day icon
    Night
    40°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs 60 to 70. Lows around 40.
    Night Details
    Mostly clear. Highs 60 to 70. Lows around 40.
  • Forecast day icon
    Saturday
    Mostly Sunny
    66°
    Forecast night icon
    Night
    Clear
    45°
    Saturday 5/11
    Day
    66°
    Mostly Sunny
    Forecast day icon
    Night
    45°
    Clear
    Forecast night icon
    Day Details
    Mostly clear. Highs 60 to 70. Lows around 40.
    Night Details
    Clear. Low temperature around 45F. Dew point will be around 39F with an average humidity of 63%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Sunday
    Sunny
    70°
    Forecast night icon
    Night
    Clear
    47°
    Sunday 5/12
    Day
    70°
    Sunny
    Forecast day icon
    Night
    47°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 70F. Dew point will be around 38F with an average humidity of 43%. Winds will be 6 mph from the W.
    Night Details
    Clear. Low temperature around 47F. Dew point will be around 41F with an average humidity of 59%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Monday
    Mostly Sunny
    68°
    Forecast night icon
    Night
    Partly Cloudy
    46°
    Monday 5/13
    Day
    68°
    Mostly Sunny
    Forecast day icon
    Night
    46°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 68F. Dew point will be around 38F with an average humidity of 44%. Winds will be 8 mph from the W.
    Night Details
    Partly cloudy. Low temperature around 46F. Dew point will be around 40F with an average humidity of 60%. Winds will be 6 mph from the W.