Fallon, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    50% Chance of Storms
    43°
    Friday 5/17
    Forecast night icon
    43°
    50% Chance of Storms
    Hourly
    Night Details
    Mostly cloudy with a chance of thunderstorms this evening then partly cloudy. Some thunderstorms may be severe with damaging winds and large hail. Lows in the lower 40s. West wind around 15 mph. Chance of precipitation 50 percent.
  • Forecast day icon
    Saturday
    Sunny
    65°
    Forecast night icon
    Night
    Partly Cloudy
    44°
    Saturday 5/18
    Day
    65°
    Sunny
    Forecast day icon
    Night
    44°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 60s. West wind 15 to 20 mph. Gusts up to 35 mph in the afternoon.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the lower 40s. West wind 10 to 15 mph in the evening becoming light and variable.
  • Forecast day icon
    Sunday
    Partly Sunny
    66°
    Forecast night icon
    Night
    30% Chance Rain Showers
    42°
    Sunday 5/19
    Day
    66°
    Partly Sunny
    Forecast day icon
    Night
    42°
    30% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs around 70. Northeast wind around 5 mph becoming north 10 to 15 mph in the afternoon.
    Night Details
    A chance of showers mainly in the evening. Lows in the lower 40s. Northwest wind 10 to 15 mph. Chance of rain 30 percent.
  • Forecast day icon
    Monday
    Chance of Rain Showers
    61°
    Forecast night icon
    Night
    Partly Cloudy
    40°
    Monday 5/20
    Day
    61°
    Chance of Rain Showers
    Forecast day icon
    Night
    40°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    A slight chance of showers. Highs in the lower 60s.
    Night Details
    Partly cloudy. Lows in the upper 30s.
  • Forecast day icon
    Tuesday
    Partly Sunny
    58°
    Forecast night icon
    Night
    Partly Cloudy
    41°
    Tuesday 5/21
    Day
    58°
    Partly Sunny
    Forecast day icon
    Night
    41°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the lower 60s.
    Night Details
    Partly cloudy. Lows around 40.
  • Forecast day icon
    Wednesday
    Chance of Rain Showers
    65°
    Forecast night icon
    Night
    Chance of Storms
    44°
    Wednesday 5/22
    Day
    65°
    Chance of Rain Showers
    Forecast day icon
    Night
    44°
    Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    A slight chance of showers. Highs in the upper 60s.
    Night Details
    A chance of showers with a slight chance of thunderstorms. Lows in the lower 40s.
  • Forecast day icon
    Thursday
    Chance of Rain Showers
    64°
    Forecast night icon
    Night
    Chance of Rain Showers
    45°
    Thursday 5/23
    Day
    64°
    Chance of Rain Showers
    Forecast day icon
    Night
    45°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    A chance of showers. Highs in the lower 60s. Lows in the lower 40s.
    Night Details
    A chance of showers. Highs in the lower 60s. Lows in the lower 40s.
  • Forecast day icon
    Friday
    Chance of Rain Showers
    62°
    Forecast night icon
    Night
    30% Chance of Rain
    45°
    Friday 5/24
    Day
    62°
    Chance of Rain Showers
    Forecast day icon
    Night
    45°
    30% Chance of Rain
    Forecast night icon
    Day Details
    A chance of showers. Highs in the lower 60s. Lows in the lower 40s.
    Night Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 45F. Dew point will be around 41F with an average humidity of 72%. Winds will be 4 mph from the W.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    65°
    Forecast night icon
    Night
    40% Chance of Rain
    45°
    Saturday 5/25
    Day
    65°
    30% Chance of Rain
    Forecast day icon
    Night
    45°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 65F. Dew point will be around 42F with an average humidity of 60%. Winds will be 6 mph from the NW.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 45F. Dew point will be around 41F with an average humidity of 68%. Winds will be 3 mph from the NW.
  • Forecast day icon
    Sunday
    30% Chance of Rain
    70°
    Forecast night icon
    Night
    30% Chance of Rain
    48°
    Sunday 5/26
    Day
    70°
    30% Chance of Rain
    Forecast day icon
    Night
    48°
    30% 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 54%. Winds will be 3 mph from the NW.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 48F. Dew point will be around 43F with an average humidity of 64%. Winds will be 2 mph from the NW.