Great Falls, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    31°
    Friday 5/3
    Forecast night icon
    31°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Lows around 30. Southeast winds up to 10 mph.
  • Forecast day icon
    Saturday
    Partly Cloudy
    61°
    Forecast night icon
    Night
    Mostly Cloudy
    42°
    Saturday 5/4
    Day
    61°
    Partly Cloudy
    Forecast day icon
    Night
    42°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Warmer. Partly cloudy. Highs 60 to 65. Southeast winds 5 to 15 mph.
    Night Details
    Mostly cloudy. Lows around 40. East winds 5 to 15 mph.
  • Forecast day icon
    Sunday
    50% Chance of Rain
    62°
    Forecast night icon
    Night
    Thunderstorms
    44°
    Sunday 5/5
    Day
    62°
    50% Chance of Rain
    Forecast day icon
    Night
    44°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Cloudy. Slight chance of rain in the morning then chance of rain in the afternoon. Highs 60 to 65. Northeast winds 5 to 10 mph. Chance of rain 50 percent.
    Night Details
    Rain showers and slight chance of thunderstorms in the evening then rain likely after midnight. Lows around 40. North winds 5 to 10 mph shifting to the west 5 to 15 mph after midnight. Chance of precipitation 90 percent.
  • Forecast day icon
    Monday
    50% Chance of Rain
    54°
    Forecast night icon
    Night
    50% Chance of Rain
    39°
    Monday 5/6
    Day
    54°
    50% Chance of Rain
    Forecast day icon
    Night
    39°
    50% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Windy cooler. Mostly cloudy with a 50 percent chance of rain. Highs 50 to 55. Lows around 40.
    Night Details
    Windy cooler. Mostly cloudy with a 50 percent chance of rain. Highs 50 to 55. Lows around 40.
  • Forecast day icon
    Tuesday
    50% Chance Frozen Mix
    48°
    Forecast night icon
    Night
    80% Chance of Snow
    36°
    Tuesday 5/7
    Day
    48°
    50% Chance Frozen Mix
    Forecast day icon
    Night
    36°
    80% Chance of Snow
    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 likely and snow. Moderate snow accumulations. Lows around 35. Chance of precipitation 80 percent.
  • Forecast day icon
    Wednesday
    Frozen Mix
    45°
    Forecast night icon
    Night
    70% Chance of Rain
    35°
    Wednesday 5/8
    Day
    45°
    Frozen Mix
    Forecast day icon
    Night
    35°
    70% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Windy. Rain and snow. Moderate snow accumulations. 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
    43°
    Forecast night icon
    Night
    Partly Cloudy
    38°
    Thursday 5/9
    Day
    43°
    50% Chance of Rain
    Forecast day icon
    Night
    38°
    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. Highs 60 to 65.
  • Forecast day icon
    Friday
    Partly Cloudy
    56°
    Forecast night icon
    Night
    Clear
    40°
    Friday 5/10
    Day
    56°
    Partly Cloudy
    Forecast day icon
    Night
    40°
    Clear
    Forecast night icon
    Day Details
    Partly cloudy with a 20 percent chance of rain. Lows around 35. Highs 60 to 65.
    Night Details
    Clear. Low temperature around 40F. Dew point will be around 38F with an average humidity of 77%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Saturday
    Sunny
    64°
    Forecast night icon
    Night
    Clear
    43°
    Saturday 5/11
    Day
    64°
    Sunny
    Forecast day icon
    Night
    43°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 64F. Dew point will be around 39F with an average humidity of 53%. Winds will be 3 mph from the SW.
    Night Details
    Clear. Low temperature around 43F. Dew point will be around 40F with an average humidity of 67%. Winds will be 3 mph from the W.
  • Forecast day icon
    Sunday
    Sunny
    65°
    Forecast night icon
    Night
    Clear
    45°
    Sunday 5/12
    Day
    65°
    Sunny
    Forecast day icon
    Night
    45°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 65F. Dew point will be around 40F with an average humidity of 52%. Winds will be 3 mph from the W.
    Night Details
    Clear. Low temperature around 45F. Dew point will be around 42F with an average humidity of 71%. Winds will be 4 mph from the W.