Lewistown, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Cloudy
    27°
    Thursday 3/28
    Forecast night icon
    27°
    Mostly Cloudy
    Hourly
    Night Details
    Colder. Mostly cloudy. A 20 percent chance of rain showers and snow showers early in the evening. Patchy fog early in the evening. Lows 25 to 30. West winds 5 to 15 mph.
  • Forecast day icon
    Friday
    Mostly Cloudy
    38°
    Forecast night icon
    Night
    50% Chance Frozen Mix
    25°
    Friday 3/29
    Day
    38°
    Mostly Cloudy
    Forecast day icon
    Night
    25°
    50% Chance Frozen Mix
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A 20 percent chance of snow in the afternoon. Highs 40 to 45. Northwest winds 5 to 15 mph.
    Night Details
    Mostly cloudy. Slight chance of rain and snow in the evening then chance of snow after midnight. Lows in the mid 20s. East winds 5 to 10 mph. Chance of precipitation 50 percent.
  • Forecast day icon
    Saturday
    50% Chance of Snow
    34°
    Forecast night icon
    Night
    Mostly Cloudy
    24°
    Saturday 3/30
    Day
    34°
    50% Chance of Snow
    Forecast day icon
    Night
    24°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Cloudy. Chance of snow in the morning then slight chance of snow in the afternoon. Highs around 35. East winds 5 to 10 mph. Chance of snow 50 percent.
    Night Details
    Mostly cloudy. Lows 20 to 25. Southeast winds 5 to 15 mph.
  • Forecast day icon
    Sunday
    Mostly Cloudy
    38°
    Forecast night icon
    Night
    Partly Cloudy
    24°
    Sunday 3/31
    Day
    38°
    Mostly Cloudy
    Forecast day icon
    Night
    24°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 20 percent chance of snow. Highs around 40.
    Night Details
    Warmer. Partly cloudy. Lows around 25. Highs 50 to 55.
  • Forecast day icon
    Monday
    Partly Cloudy
    51°
    Forecast night icon
    Night
    Partly Cloudy
    31°
    Monday 4/1
    Day
    51°
    Partly Cloudy
    Forecast day icon
    Night
    31°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Warmer. Partly cloudy. Lows around 25. Highs 50 to 55.
    Night Details
    Partly cloudy. Lows 30 to 35.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    61°
    Forecast night icon
    Night
    Mostly Clear
    39°
    Tuesday 4/2
    Day
    61°
    Mostly Sunny
    Forecast day icon
    Night
    39°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs 60 to 65. Lows 40 to 45.
    Night Details
    Mostly clear. Highs 60 to 65. Lows 40 to 45.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    55°
    Forecast night icon
    Night
    50% Chance of Rain
    34°
    Wednesday 4/3
    Day
    55°
    Partly Cloudy
    Forecast day icon
    Night
    34°
    50% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Breezy. Partly cloudy with a 20 percent chance of rain. Highs 60 to 65.
    Night Details
    Mostly cloudy with a 50 percent chance of rain. Lows 35 to 40.
  • Forecast day icon
    Thursday
    50% Chance Frozen Mix
    40°
    Forecast night icon
    Night
    60% Chance of Snow
    26°
    Thursday 4/4
    Day
    40°
    50% Chance Frozen Mix
    Forecast day icon
    Night
    26°
    60% Chance of Snow
    Forecast night icon
    Day Details
    Cooler. Mostly cloudy with a 50 percent chance of rain and snow. Highs 45 to 50.
    Night Details
    Cloudy with a chance of snow. Chance of precipitation 60%. Low temperature around 26F. Dew point will be around 24F with an average humidity of 79%. Winds will be 2 mph from the S.
  • Forecast day icon
    Friday
    60% Chance Frozen Mix
    39°
    Forecast night icon
    Night
    50% Chance Frozen Mix
    26°
    Friday 4/5
    Day
    39°
    60% Chance Frozen Mix
    Forecast day icon
    Night
    26°
    50% Chance Frozen Mix
    Forecast night icon
    Day Details
    Cloudy with a chance of rain-snow mix. Chance of precipitation 55%. High temperature around 39F. Dew point will be around 25F with an average humidity of 67%. Winds will be 3 mph from the NW.
    Night Details
    Cloudy with a chance of rain-snow mix. Chance of precipitation 45%. Low temperature around 26F. Dew point will be around 23F with an average humidity of 76%. Winds will be 3 mph from the S.
  • Forecast day icon
    Saturday
    50% Chance Frozen Mix
    41°
    Forecast night icon
    Night
    30% Chance Frozen Mix
    28°
    Saturday 4/6
    Day
    41°
    50% Chance Frozen Mix
    Forecast day icon
    Night
    28°
    30% Chance Frozen Mix
    Forecast night icon
    Day Details
    Cloudy with a chance of rain-snow mix. Chance of precipitation 45%. High temperature around 41F. Dew point will be around 26F with an average humidity of 68%. Winds will be 4 mph from the NW.
    Night Details
    Cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. Low temperature around 28F. Dew point will be around 26F with an average humidity of 79%. Winds will be 3 mph from the SW.