Westby, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    38°
    Saturday 5/4
    Forecast night icon
    38°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Low temperature around 38F. Dew point will be around 32F with an average humidity of 56%. Winds will be 7 mph from the SE.
  • Forecast day icon
    Sunday
    Windy
    67°
    Forecast night icon
    Night
    60% Chance of Storms
    49°
    Sunday 5/5
    Day
    67°
    Windy
    Forecast day icon
    Night
    49°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy early in the morning then becoming partly cloudy. Windy warmer. Highs around 70. East winds 10 to 15 mph with gusts to around 30 mph increasing to southeast 25 to 35 mph in the late morning and afternoon.
    Night Details
    A chance of light rain in the evening then light rain likely and a slight chance of thunderstorms after midnight. Windy. Lows in the upper 40s. Southeast winds 25 to 35 mph with gusts to around 45 mph. Chance of precipitation 60 percent.
  • Forecast day icon
    Monday
    Thunderstorms
    54°
    Forecast night icon
    Night
    Thunderstorms
    47°
    Monday 5/6
    Day
    54°
    Thunderstorms
    Forecast day icon
    Night
    47°
    Thunderstorms
    Forecast night icon
    Hourly
    Day Details
    Showers and a slight chance of thunderstorms. Cooler. Highs around 60. Southeast winds 15 to 25 mph with gusts to around 35 mph. Chance of precipitation near 100 percent.
    Night Details
    Rain showers and a slight chance of thunderstorms. Lows in the mid 40s. East winds 15 to 25 mph shifting to the northwest after midnight. Chance of precipitation 90 percent.
  • Forecast day icon
    Tuesday
    Rain
    52°
    Forecast night icon
    Night
    Rain
    42°
    Tuesday 5/7
    Day
    52°
    Rain
    Forecast day icon
    Night
    42°
    Rain
    Forecast night icon
    Hourly
    Day Details
    Light rain. Windy. Highs in the mid 50s. West winds 20 to 30 mph with gusts to around 40 mph. Chance of rain 90 percent.
    Night Details
    Light rain. Lows around 40. Highs in the upper 50s.
  • Forecast day icon
    Wednesday
    Rain
    54°
    Forecast night icon
    Night
    Chance of Rain
    44°
    Wednesday 5/8
    Day
    54°
    Rain
    Forecast day icon
    Night
    44°
    Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Light rain. Lows around 40. Highs in the upper 50s.
    Night Details
    A chance of light rain. Lows around 40.
  • Forecast day icon
    Thursday
    Chance of Rain
    61°
    Forecast night icon
    Night
    Chance of Rain
    45°
    Thursday 5/9
    Day
    61°
    Chance of Rain
    Forecast day icon
    Night
    45°
    Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    A chance of light rain. Highs in the mid 60s.
    Night Details
    A slight chance of light rain. Lows in the lower 40s. Highs in the upper 60s.
  • Forecast day icon
    Friday
    Chance of Rain
    64°
    Forecast night icon
    Night
    Mostly Clear
    44°
    Friday 5/10
    Day
    64°
    Chance of Rain
    Forecast day icon
    Night
    44°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    A slight chance of light rain. Lows in the lower 40s. Highs in the upper 60s.
    Night Details
    Mostly clear. Lows in the lower 40s. Highs in the lower 70s.
  • Forecast day icon
    Saturday
    Mostly Sunny
    72°
    Forecast night icon
    Night
    Clear
    49°
    Saturday 5/11
    Day
    72°
    Mostly Sunny
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Mostly clear. Lows in the lower 40s. Highs in the lower 70s.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 40F with an average humidity of 52%. Winds will be 6 mph from the W.
  • Forecast day icon
    Sunday
    Sunny
    71°
    Forecast night icon
    Night
    Clear
    49°
    Sunday 5/12
    Day
    71°
    Sunny
    Forecast day icon
    Night
    49°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 71F. Dew point will be around 38F with an average humidity of 38%. Winds will be 3 mph from the W.
    Night Details
    Clear. Low temperature around 49F. Dew point will be around 38F with an average humidity of 51%. Winds will be 2 mph from the NW.
  • Forecast day icon
    Monday
    Sunny
    70°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Monday 5/13
    Day
    70°
    Sunny
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Day Details
    Sunny. High temperature around 70F. Dew point will be around 39F with an average humidity of 42%. Winds will be 2 mph from the E.
    Night Details
    Partly cloudy. Low temperature around 50F. Dew point will be around 41F with an average humidity of 56%. Winds will be 4 mph from the E.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    67°
    Forecast night icon
    Night
    40% Chance of Rain
    49°
    Tuesday 5/14
    Day
    67°
    Partly Cloudy
    Forecast day icon
    Night
    49°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 67F. Dew point will be around 45F with an average humidity of 54%. Winds will be 4 mph from the E.
    Night Details
    Mostly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 49F. Dew point will be around 45F with an average humidity of 69%. Winds will be 2 mph from the NE.