Fallon, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Saturday
    Mostly Sunny
    77°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Saturday 5/11
    Day
    77°
    Mostly Sunny
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 80s. Southwest wind 10 to 15 mph.
    Night Details
    Partly cloudy. Lows in the upper 40s. Northwest wind 5 to 10 mph becoming northeast after midnight.
  • Forecast day icon
    Sunday
    Mostly Sunny
    73°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Sunday 5/12
    Day
    73°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a 20 percent chance of showers. Highs in the mid 70s. Northeast wind 5 to 10 mph.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the mid 40s. East wind 5 to 10 mph.
  • Forecast day icon
    Monday
    30% Chance of Storms
    78°
    Forecast night icon
    Night
    50% Chance of Storms
    53°
    Monday 5/13
    Day
    78°
    30% Chance of Storms
    Forecast day icon
    Night
    53°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. South wind 5 to 10 mph. Chance of rain 30 percent.
    Night Details
    Mostly cloudy. A 50 percent chance of thunderstorms. Lows in the lower 50s. Highs in the upper 60s.
  • Forecast day icon
    Tuesday
    50% Chance of Storms
    66°
    Forecast night icon
    Night
    Mostly Cloudy
    46°
    Tuesday 5/14
    Day
    66°
    50% Chance of Storms
    Forecast day icon
    Night
    46°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A 50 percent chance of thunderstorms. Lows in the lower 50s. Highs in the upper 60s.
    Night Details
    Mostly cloudy with a 20 percent chance of thunderstorms. Lows in the mid 40s.
  • Forecast day icon
    Wednesday
    Chance of Storms
    68°
    Forecast night icon
    Night
    Partly Cloudy
    48°
    Wednesday 5/15
    Day
    68°
    Chance of Storms
    Forecast day icon
    Night
    48°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the mid 60s.
    Night Details
    Partly cloudy with a 20 percent chance of thunderstorms. Lows in the mid 40s.
  • Forecast day icon
    Thursday
    30% Chance Rain Showers
    75°
    Forecast night icon
    Night
    Chance of Storms
    49°
    Thursday 5/16
    Day
    75°
    30% Chance Rain Showers
    Forecast day icon
    Night
    49°
    Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a 30 percent chance of showers. Highs in the mid 70s.
    Night Details
    Partly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the mid 40s.
  • Forecast day icon
    Friday
    Sunny
    70°
    Forecast night icon
    Night
    Clear
    50°
    Friday 5/17
    Day
    70°
    Sunny
    Forecast day icon
    Night
    50°
    Clear
    Forecast night icon
    Day Details
    Sunny with a 20 percent chance of showers. Highs in the lower 70s.
    Night Details
    Clear. Low temperature around 50F. Dew point will be around 39F with an average humidity of 54%. Winds will be 7 mph from the N.
  • Forecast day icon
    Saturday
    Sunny
    69°
    Forecast night icon
    Night
    Partly Cloudy
    46°
    Saturday 5/18
    Day
    69°
    Sunny
    Forecast day icon
    Night
    46°
    Partly Cloudy
    Forecast night icon
    Day Details
    Sunny. High temperature around 69F. Dew point will be around 42F with an average humidity of 49%. Winds will be 6 mph from the NW.
    Night Details
    Partly cloudy. Low temperature around 46F. Dew point will be around 39F with an average humidity of 57%. Winds will be 4 mph from the NW.
  • Forecast day icon
    Sunday
    Cloudy
    64°
    Forecast night icon
    Night
    Partly Cloudy
    44°
    Sunday 5/19
    Day
    64°
    Cloudy
    Forecast day icon
    Night
    44°
    Partly Cloudy
    Forecast night icon
    Day Details
    Cloudy. High temperature around 64F. Dew point will be around 40F with an average humidity of 54%. Winds will be 4 mph from the N.
    Night Details
    Partly cloudy. Low temperature around 44F. Dew point will be around 38F with an average humidity of 60%. Winds will be 2 mph from the N.
  • Forecast day icon
    Monday
    30% Chance of Rain
    65°
    Forecast night icon
    Night
    40% Chance of Rain
    45°
    Monday 5/20
    Day
    65°
    30% Chance of Rain
    Forecast day icon
    Night
    45°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 65F. Dew point will be around 39F with an average humidity of 52%. Winds will be 1 mph from the NW.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 45F. Dew point will be around 39F with an average humidity of 59%. Winds will be 3 mph from the SE.