Westby, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Tuesday
    Mostly Sunny
    59°
    Forecast night icon
    Night
    Partly Cloudy
    40°
    Tuesday 5/14
    Day
    59°
    Mostly Sunny
    Forecast day icon
    Night
    40°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Much cooler with highs in the lower 60s. North wind 15 to 20 mph.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. Lows around 40. North wind 15 to 20 mph easing to 5 to 10 mph after midnight.
  • Forecast day icon
    Wednesday
    30% Chance of Storms
    68°
    Forecast night icon
    Night
    40% Chance of Storms
    49°
    Wednesday 5/15
    Day
    68°
    30% Chance of Storms
    Forecast day icon
    Night
    49°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Northwest wind 5 to 10 mph. Chance of rain 30 percent.
    Night Details
    A slight chance of thunderstorms in the evening. A chance of showers. Lows in the mid 40s. Southwest wind 5 to 10 mph becoming south after midnight. Chance of rain 40 percent.
  • Forecast day icon
    Thursday
    60% Chance Rain Showers
    71°
    Forecast night icon
    Night
    Chance of Storms
    50°
    Thursday 5/16
    Day
    71°
    60% Chance Rain Showers
    Forecast day icon
    Night
    50°
    Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    A chance of showers in the morning then showers likely in the afternoon. Highs in the mid 60s. West wind 15 to 20 mph. Chance of rain 60 percent.
    Night Details
    A chance of showers with a slight chance of thunderstorms. Lows in the mid 40s.
  • Forecast day icon
    Friday
    Chance of Rain Showers
    73°
    Forecast night icon
    Night
    Chance of Rain Showers
    46°
    Friday 5/17
    Day
    73°
    Chance of Rain Showers
    Forecast day icon
    Night
    46°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    A chance of showers. Highs in the upper 60s.
    Night Details
    A chance of showers. Lows in the lower 40s.
  • Forecast day icon
    Saturday
    Chance of Storms
    59°
    Forecast night icon
    Night
    Chance of Storms
    40°
    Saturday 5/18
    Day
    59°
    Chance of Storms
    Forecast day icon
    Night
    40°
    Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    A chance of showers with a slight chance of thunderstorms. Highs in the lower 60s.
    Night Details
    A slight chance of thunderstorms. Lows around 40.
  • Forecast day icon
    Sunday
    Chance of Rain Showers
    68°
    Forecast night icon
    Night
    Chance of Rain Showers
    43°
    Sunday 5/19
    Day
    68°
    Chance of Rain Showers
    Forecast day icon
    Night
    43°
    Chance of Rain Showers
    Forecast night icon
    Hourly
    Day Details
    A slight chance of showers. Highs in the mid 60s. Lows around 40.
    Night Details
    A slight chance of showers. Highs in the mid 60s. Lows around 40.
  • Forecast day icon
    Monday
    Chance of Rain Showers
    70°
    Forecast night icon
    Night
    30% Chance of Rain
    44°
    Monday 5/20
    Day
    70°
    Chance of Rain Showers
    Forecast day icon
    Night
    44°
    30% Chance of Rain
    Forecast night icon
    Day Details
    A slight chance of showers. Highs in the mid 60s. Lows around 40.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 44F. Dew point will be around 35F with an average humidity of 52%. Winds will be 9 mph from the NE.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    67°
    Forecast night icon
    Night
    Partly Cloudy
    44°
    Tuesday 5/21
    Day
    67°
    Partly Cloudy
    Forecast day icon
    Night
    44°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 67F. Dew point will be around 36F with an average humidity of 42%. Winds will be 6 mph from the NW.
    Night Details
    Partly cloudy. Low temperature around 44F. Dew point will be around 36F with an average humidity of 57%. Winds will be 4 mph from the N.
  • Forecast day icon
    Wednesday
    30% Chance of Rain
    67°
    Forecast night icon
    Night
    40% Chance of Rain
    45°
    Wednesday 5/22
    Day
    67°
    30% Chance of Rain
    Forecast day icon
    Night
    45°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 67F. Dew point will be around 37F with an average humidity of 43%. Winds will be 4 mph from the NW.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 45F. Dew point will be around 38F with an average humidity of 57%. Winds will be 4 mph from the NE.
  • Forecast day icon
    Thursday
    40% Chance of Rain
    64°
    Forecast night icon
    Night
    30% Chance of Rain
    43°
    Thursday 5/23
    Day
    64°
    40% Chance of Rain
    Forecast day icon
    Night
    43°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 64F. Dew point will be around 39F with an average humidity of 50%. Winds will be 6 mph from the NE.
    Night Details
    Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 43F. Dew point will be around 37F with an average humidity of 62%. Winds will be 6 mph from the NE.