Fallon, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    Mostly Sunny
    69°
    Forecast night icon
    Night
    Mostly Clear
    45°
    Friday 5/10
    Day
    69°
    Mostly Sunny
    Forecast day icon
    Night
    45°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. High temperature around 69F. Dew point will be around 41F with an average humidity of 50%. Winds will be 11 mph from the NW.
    Night Details
    Mostly clear. Lows in the mid 40s. West wind 5 to 10 mph.
  • Forecast day icon
    Saturday
    Mostly Sunny
    76°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Saturday 5/11
    Day
    76°
    Mostly Sunny
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs around 80. Southwest wind 10 to 15 mph.
    Night Details
    Partly cloudy. Lows in the upper 40s. Northwest wind 5 to 10 mph.
  • Forecast day icon
    Sunday
    Mostly Sunny
    71°
    Forecast night icon
    Night
    Mostly Clear
    48°
    Sunday 5/12
    Day
    71°
    Mostly Sunny
    Forecast day icon
    Night
    48°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a 20 percent chance of showers. Highs in the lower 70s. Northeast wind 5 to 10 mph.
    Night Details
    Mostly clear. Lows in the mid 40s. East wind 5 to 10 mph.
  • Forecast day icon
    Monday
    30% Chance Rain Showers
    77°
    Forecast night icon
    Night
    50% Chance of Storms
    52°
    Monday 5/13
    Day
    77°
    30% Chance Rain Showers
    Forecast day icon
    Night
    52°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Sunny with a 30 percent chance of showers. Highs around 80.
    Night Details
    Mostly cloudy with a 50 percent chance of thunderstorms. Lows in the upper 40s.
  • Forecast day icon
    Tuesday
    Chance of Storms
    63°
    Forecast night icon
    Night
    Mostly Cloudy
    46°
    Tuesday 5/14
    Day
    63°
    Chance of Storms
    Forecast day icon
    Night
    46°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers with a slight chance of thunderstorms. Not as warm with highs around 70.
    Night Details
    Mostly cloudy with a 20 percent chance of thunderstorms. Lows in the mid 40s.
  • Forecast day icon
    Wednesday
    30% Chance Rain Showers
    62°
    Forecast night icon
    Night
    Partly Cloudy
    43°
    Wednesday 5/15
    Day
    62°
    30% Chance Rain Showers
    Forecast day icon
    Night
    43°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a 30 percent chance of showers. Highs in the upper 60s.
    Night Details
    Partly cloudy with a 20 percent chance of showers. Lows in the lower 40s.
  • Forecast day icon
    Thursday
    30% Chance Rain Showers
    70°
    Forecast night icon
    Night
    Partly Cloudy
    43°
    Thursday 5/16
    Day
    70°
    30% Chance Rain Showers
    Forecast day icon
    Night
    43°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny with a 30 percent chance of showers. Highs in the lower 70s.
    Night Details
    Partly cloudy with a 20 percent chance of thunderstorms. Lows in the mid 40s.
  • Forecast day icon
    Friday
    Mostly Sunny
    66°
    Forecast night icon
    Night
    Clear
    44°
    Friday 5/17
    Day
    66°
    Mostly Sunny
    Forecast day icon
    Night
    44°
    Clear
    Forecast night icon
    Day Details
    Mostly sunny with a 20 percent chance of showers. Highs in the lower 70s.
    Night Details
    Clear. Low temperature around 44F. Dew point will be around 39F with an average humidity of 63%. Winds will be 6 mph from the NW.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    65°
    Forecast night icon
    Night
    Clear
    43°
    Saturday 5/18
    Day
    65°
    30% Chance of Rain
    Forecast day icon
    Night
    43°
    Clear
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 65F. Dew point will be around 40F with an average humidity of 55%. Winds will be 8 mph from the NW.
    Night Details
    Clear. Low temperature around 43F. Dew point will be around 38F with an average humidity of 61%. Winds will be 4 mph from the NW.
  • Forecast day icon
    Sunday
    Sunny
    68°
    Forecast night icon
    Night
    Mostly Clear
    46°
    Sunday 5/19
    Day
    68°
    Sunny
    Forecast day icon
    Night
    46°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 68F. Dew point will be around 40F with an average humidity of 52%. Winds will be 2 mph from the S.
    Night Details
    Mostly clear. Low temperature around 46F. Dew point will be around 41F with an average humidity of 61%. Winds will be 3 mph from the SE.