Great Falls, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
Main Menu
10 Day Forecast
  • Forecast day icon
    Monday
    50% Chance of Rain
    51°
    Forecast night icon
    Night
    Windy
    39°
    Monday 5/6
    Day
    51°
    50% Chance of Rain
    Forecast day icon
    Night
    39°
    Windy
    Forecast night icon
    Hourly
    Day Details
    Windy cloudy. Chance of rain in the morning then slight chance of rain in the afternoon. Highs 50 to 55. West winds 15 to 25 mph increasing to 25 to 35 mph in the afternoon. Chance of rain 50 percent.
    Night Details
    Windy colder cloudy. A 20 percent chance of rain and snow after midnight. Lows 35 to 40. West winds 20 to 30 mph with gusts to around 45 mph.
  • Forecast day icon
    Tuesday
    70% Chance Frozen Mix
    44°
    Forecast night icon
    Night
    Frozen Mix
    34°
    Tuesday 5/7
    Day
    44°
    70% Chance Frozen Mix
    Forecast day icon
    Night
    34°
    Frozen Mix
    Forecast night icon
    Hourly
    Day Details
    Very windy. Rain likely and chance of snow in the morning then rain and snow likely in the afternoon. Snow accumulation of 1 to 4 inches. Highs 45 to 50. West winds 25 to 40 mph. Chance of precipitation 70 percent.
    Night Details
    Windy. Rain and snow. Heavy snow accumulations. Lows around 35. West winds 25 to 35 mph. Chance of precipitation near 100 percent.
  • Forecast day icon
    Wednesday
    Frozen Mix
    43°
    Forecast night icon
    Night
    70% Chance of Rain
    36°
    Wednesday 5/8
    Day
    43°
    Frozen Mix
    Forecast day icon
    Night
    36°
    70% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Windy. Areas of blowing snow in the morning. Rain and snow in the morning then rain in the afternoon. Heavy snow accumulations. Highs 40 to 45. Northwest winds 20 to 30 mph. Chance of precipitation near 100 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
    Mostly Clear
    35°
    Thursday 5/9
    Day
    53°
    50% Chance of Rain
    Forecast day icon
    Night
    35°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Not as cool. Mostly cloudy with a 50 percent chance of rain. Highs 50 to 60.
    Night Details
    Mostly clear. Lows around 35. Highs 60 to 65.
  • Forecast day icon
    Friday
    Mostly Sunny
    63°
    Forecast night icon
    Night
    Mostly Clear
    42°
    Friday 5/10
    Day
    63°
    Mostly Sunny
    Forecast day icon
    Night
    42°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows around 35. Highs 60 to 65.
    Night Details
    Mostly clear. Lows around 40. Highs 65 to 75.
  • Forecast day icon
    Saturday
    Mostly Sunny
    70°
    Forecast night icon
    Night
    Mostly Clear
    45°
    Saturday 5/11
    Day
    70°
    Mostly Sunny
    Forecast day icon
    Night
    45°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows around 40. Highs 65 to 75.
    Night Details
    Mostly clear. Lows around 45.
  • Forecast day icon
    Sunday
    Sunny
    72°
    Forecast night icon
    Night
    Mostly Clear
    47°
    Sunday 5/12
    Day
    72°
    Sunny
    Forecast day icon
    Night
    47°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny with a 20 percent chance of rain. Highs 70 to 75.
    Night Details
    Mostly clear. Low temperature around 47F. Dew point will be around 46F with an average humidity of 69%. Winds will be 7 mph from the SW.
  • Forecast day icon
    Monday
    Mostly Sunny
    72°
    Forecast night icon
    Night
    Mostly Cloudy
    47°
    Monday 5/13
    Day
    72°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    Mostly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 72F. Dew point will be around 39F with an average humidity of 43%. Winds will be 8 mph from the W.
    Night Details
    Mostly cloudy. Low temperature around 47F. Dew point will be around 43F with an average humidity of 64%. Winds will be 5 mph from the SW.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    67°
    Forecast night icon
    Night
    Partly Cloudy
    46°
    Tuesday 5/14
    Day
    67°
    Mostly Sunny
    Forecast day icon
    Night
    46°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 67F. Dew point will be around 41F with an average humidity of 48%. Winds will be 9 mph from the W.
    Night Details
    Partly cloudy. Low temperature around 46F. Dew point will be around 42F with an average humidity of 67%. Winds will be 5 mph from the SW.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    66°
    Forecast night icon
    Night
    Partly Cloudy
    46°
    Wednesday 5/15
    Day
    66°
    Partly Cloudy
    Forecast day icon
    Night
    46°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 66F. Dew point will be around 40F with an average humidity of 49%. Winds will be 9 mph from the W.
    Night Details
    Partly cloudy. Low temperature around 46F. Dew point will be around 40F with an average humidity of 64%. Winds will be 6 mph from the SW.