Fallon, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Monday
    30% Chance of Storms
    79°
    Forecast night icon
    Night
    50% Chance of Storms
    54°
    Monday 5/13
    Day
    79°
    30% Chance of Storms
    Forecast day icon
    Night
    54°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of thunderstorms this afternoon. Some thunderstorms may produce gusty winds this afternoon. Highs in the lower 80s. South wind around 5 mph becoming west 10 to 15 mph this afternoon. Chance of precipitation 30 percent.
    Night Details
    Mostly cloudy with a chance of showers. A slight chance of thunderstorms. Some thunderstorms may produce gusty winds in the evening. Lows in the lower 50s. West wind 5 to 10 mph. Chance of rain 50 percent.
  • Forecast day icon
    Tuesday
    50% Chance of Storms
    68°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Tuesday 5/14
    Day
    68°
    50% Chance of Storms
    Forecast day icon
    Night
    47°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Cooler with highs in the lower 70s. Northwest wind 10 to 15 mph. Chance of rain 50 percent.
    Night Details
    A slight chance of thunderstorms in the evening then partly cloudy after midnight. Lows in the mid 40s. North wind 10 to 15 mph easing to around 5 mph after midnight. Chance of precipitation 20 percent.
  • Forecast day icon
    Wednesday
    Rain
    68°
    Forecast night icon
    Night
    Chance of Rain Showers
    50°
    Wednesday 5/15
    Day
    68°
    Rain
    Forecast day icon
    Night
    50°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    A slight chance of showers in the afternoon. Highs in the lower 70s. Northwest wind 5 to 10 mph. Chance of rain 20 percent.
    Night Details
    A chance of showers. Lows in the upper 40s.
  • Forecast day icon
    Thursday
    Chance of Rain Showers
    71°
    Forecast night icon
    Night
    Chance of Storms
    51°
    Thursday 5/16
    Day
    71°
    Chance of Rain Showers
    Forecast day icon
    Night
    51°
    Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    A chance of showers. Highs in the mid 70s.
    Night Details
    A chance of showers with a slight chance of thunderstorms. Lows in the upper 40s.
  • Forecast day icon
    Friday
    Chance of Rain Showers
    71°
    Forecast night icon
    Night
    Chance of Rain Showers
    49°
    Friday 5/17
    Day
    71°
    Chance of Rain Showers
    Forecast day icon
    Night
    49°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    A chance of showers. Breezy. Highs in the lower 70s. Lows in the mid 40s.
    Night Details
    A chance of showers. Breezy. Highs in the lower 70s. Lows in the mid 40s.
  • Forecast day icon
    Saturday
    Chance of Rain Showers
    66°
    Forecast night icon
    Night
    Chance of Storms
    45°
    Saturday 5/18
    Day
    66°
    Chance of Rain Showers
    Forecast day icon
    Night
    45°
    Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    A slight chance of showers. Highs in the upper 60s.
    Night Details
    A slight chance of thunderstorms. Lows in the lower 40s.
  • Forecast day icon
    Sunday
    Chance of Rain Showers
    62°
    Forecast night icon
    Night
    Partly Cloudy
    45°
    Sunday 5/19
    Day
    62°
    Chance of Rain Showers
    Forecast day icon
    Night
    45°
    Partly Cloudy
    Forecast night icon
    Day Details
    A slight chance of showers. Highs in the mid 60s.
    Night Details
    Partly cloudy. Low temperature around 45F. Dew point will be around 38F with an average humidity of 62%. Winds will be 5 mph from the N.
  • Forecast day icon
    Monday
    Sunny
    67°
    Forecast night icon
    Night
    Mostly Clear
    48°
    Monday 5/20
    Day
    67°
    Sunny
    Forecast day icon
    Night
    48°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 67F. Dew point will be around 41F with an average humidity of 51%. Winds will be 1 mph from the W.
    Night Details
    Mostly clear. Low temperature around 48F. Dew point will be around 41F with an average humidity of 59%. Winds will be 3 mph from the S.
  • Forecast day icon
    Tuesday
    30% Chance of Rain
    70°
    Forecast night icon
    Night
    40% Chance of Rain
    48°
    Tuesday 5/21
    Day
    70°
    30% Chance of Rain
    Forecast day icon
    Night
    48°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 70F. Dew point will be around 42F with an average humidity of 51%. Winds will be 1 mph from the N.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 48F. Dew point will be around 42F with an average humidity of 60%. Winds will be 2 mph from the SE.
  • Forecast day icon
    Wednesday
    40% Chance of Rain
    65°
    Forecast night icon
    Night
    50% Chance of Rain
    48°
    Wednesday 5/22
    Day
    65°
    40% Chance of Rain
    Forecast day icon
    Night
    48°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 65F. Dew point will be around 43F with an average humidity of 57%. Winds will be 1 mph from the NW.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 48F. Dew point will be around 43F with an average humidity of 65%. Winds will be 2 mph from the SE.