Lewistown, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Thursday
    Rain Showers
    49°
    Forecast night icon
    Night
    50% Chance Snow Showers
    24°
    Thursday 3/28
    Day
    49°
    Rain Showers
    Forecast day icon
    Night
    24°
    50% Chance Snow Showers
    Forecast night icon
    Hourly
    Day Details
    Chance of rain showers in the morning then rain in the afternoon. Highs 45 to 50. Southwest winds 5 to 10 mph shifting to the west 10 to 15 mph in the afternoon. Chance of precipitation near 100 percent.
    Night Details
    Mostly cloudy. Chance of rain showers and slight chance of snow showers in the evening. Lows 25 to 30. West winds 5 to 15 mph. Chance of precipitation 50 percent.
  • Forecast day icon
    Friday
    Mostly Cloudy
    39°
    Forecast night icon
    Night
    50% Chance Frozen Mix
    26°
    Friday 3/29
    Day
    39°
    Mostly Cloudy
    Forecast day icon
    Night
    26°
    50% Chance Frozen Mix
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A 20 percent chance of snow showers 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 around 25. East winds 5 to 10 mph. Chance of precipitation 50 percent.
  • Forecast day icon
    Saturday
    50% Chance of Snow
    38°
    Forecast night icon
    Night
    Mostly Cloudy
    25°
    Saturday 3/30
    Day
    38°
    50% Chance of Snow
    Forecast day icon
    Night
    25°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Chance of snow in the morning then slight chance of snow in the afternoon. Highs 35 to 40. Northeast winds 5 to 10 mph. Chance of snow 50 percent.
    Night Details
    Mostly cloudy with a 20 percent chance of snow. Lows 20 to 25. Highs 40 to 45.
  • Forecast day icon
    Sunday
    Mostly Cloudy
    40°
    Forecast night icon
    Night
    Partly Cloudy
    25°
    Sunday 3/31
    Day
    40°
    Mostly Cloudy
    Forecast day icon
    Night
    25°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 20 percent chance of snow. Lows 20 to 25. Highs 40 to 45.
    Night Details
    Partly cloudy. Lows 20 to 25. Highs 50 to 55.
  • Forecast day icon
    Monday
    Partly Cloudy
    52°
    Forecast night icon
    Night
    Mostly Clear
    33°
    Monday 4/1
    Day
    52°
    Partly Cloudy
    Forecast day icon
    Night
    33°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Lows 20 to 25. Highs 50 to 55.
    Night Details
    Mostly clear. Lows 30 to 35. Highs 60 to 65.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    63°
    Forecast night icon
    Night
    Partly Cloudy
    41°
    Tuesday 4/2
    Day
    63°
    Mostly Sunny
    Forecast day icon
    Night
    41°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows 30 to 35. Highs 60 to 65.
    Night Details
    Partly cloudy. Lows 40 to 45.
  • Forecast day icon
    Wednesday
    Mostly Cloudy
    60°
    Forecast night icon
    Night
    50% Chance Frozen Mix
    30°
    Wednesday 4/3
    Day
    60°
    Mostly Cloudy
    Forecast day icon
    Night
    30°
    50% Chance Frozen Mix
    Forecast night icon
    Day Details
    Breezy. Mostly cloudy with a 20 percent chance of rain. Highs 55 to 60.
    Night Details
    Mostly cloudy with a chance of rain-snow mix. Chance of precipitation 45%. Low temperature around 30F. Dew point will be around 29F with an average humidity of 77%. Winds will be 10 mph from the NW.
  • Forecast day icon
    Thursday
    60% Chance Frozen Mix
    41°
    Forecast night icon
    Night
    50% Chance Frozen Mix
    26°
    Thursday 4/4
    Day
    41°
    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 41F. Dew point will be around 28F with an average humidity of 70%. Winds will be 7 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 24F with an average humidity of 79%. Winds will be 3 mph from the N.
  • Forecast day icon
    Friday
    40% Chance Frozen Mix
    42°
    Forecast night icon
    Night
    30% Chance Frozen Mix
    26°
    Friday 4/5
    Day
    42°
    40% Chance Frozen Mix
    Forecast day icon
    Night
    26°
    30% Chance Frozen Mix
    Forecast night icon
    Day Details
    Cloudy with a chance of rain-snow mix. Chance of precipitation 35%. High temperature around 42F. Dew point will be around 26F with an average humidity of 65%. Winds will be 3 mph from the NW.
    Night Details
    Cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. Low temperature around 26F. Dew point will be around 24F with an average humidity of 75%. Winds will be 5 mph from the SW.
  • Forecast day icon
    Saturday
    30% Chance Frozen Mix
    46°
    Forecast night icon
    Night
    30% Chance Frozen Mix
    30°
    Saturday 4/6
    Day
    46°
    30% Chance Frozen Mix
    Forecast day icon
    Night
    30°
    30% Chance Frozen Mix
    Forecast night icon
    Day Details
    Cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. High temperature around 46F. Dew point will be around 28F with an average humidity of 63%. Winds will be 6 mph from the W.
    Night Details
    Cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. Low temperature around 30F. Dew point will be around 28F with an average humidity of 75%. Winds will be 4 mph from the SW.