Lewistown, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Wednesday
    Mostly Sunny
    69°
    Forecast night icon
    Night
    Mostly Cloudy
    43°
    Wednesday 4/24
    Day
    69°
    Mostly Sunny
    Forecast day icon
    Night
    43°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. High temperature around 69F. Dew point will be around 24F with an average humidity of 36%. Winds will be 6 mph from the NW.
    Night Details
    Mostly cloudy. Lows 45 to 50. West winds 5 to 15 mph.
  • Forecast day icon
    Thursday
    Partly Cloudy
    63°
    Forecast night icon
    Night
    Mostly Cloudy
    41°
    Thursday 4/25
    Day
    63°
    Partly Cloudy
    Forecast day icon
    Night
    41°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly cloudy. Highs 65 to 70. Northwest winds 5 to 15 mph.
    Night Details
    Mostly cloudy. Slight chance of rain showers in the evening then slight chance of rain after midnight. Lows 40 to 45. Northwest winds 5 to 10 mph. Chance of precipitation 20 percent.
  • Forecast day icon
    Friday
    50% Chance of Rain
    55°
    Forecast night icon
    Night
    50% Chance of Rain
    39°
    Friday 4/26
    Day
    55°
    50% Chance of Rain
    Forecast day icon
    Night
    39°
    50% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 50 percent chance of rain. Highs 55 to 65. Northwest winds 5 to 15 mph.
    Night Details
    Mostly cloudy with a 50 percent chance of rain. Lows around 40. North winds 5 to 15 mph.
  • Forecast day icon
    Saturday
    50% Chance of Rain
    56°
    Forecast night icon
    Night
    40% Chance of Rain
    37°
    Saturday 4/27
    Day
    56°
    50% Chance of Rain
    Forecast day icon
    Night
    37°
    40% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 50 percent chance of rain. Highs 50 to 55.
    Night Details
    Mostly cloudy with a 40 percent chance of rain. Lows 35 to 40.
  • Forecast day icon
    Sunday
    Mostly Cloudy
    59°
    Forecast night icon
    Night
    Mostly Cloudy
    37°
    Sunday 4/28
    Day
    59°
    Mostly Cloudy
    Forecast day icon
    Night
    37°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Warmer. Mostly cloudy with a 20 percent chance of rain. Highs 55 to 65.
    Night Details
    Mostly cloudy. Lows around 40.
  • Forecast day icon
    Monday
    50% Chance of Rain
    60°
    Forecast night icon
    Night
    40% Chance of Storms
    35°
    Monday 4/29
    Day
    60°
    50% Chance of Rain
    Forecast day icon
    Night
    35°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 50 percent chance of rain. Highs 60 to 65.
    Night Details
    Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 35 to 40. Chance of precipitation 40 percent.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    58°
    Forecast night icon
    Night
    Partly Cloudy
    34°
    Tuesday 4/30
    Day
    58°
    Partly Cloudy
    Forecast day icon
    Night
    34°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy with a 20 percent chance of rain. Highs 60 to 65.
    Night Details
    Partly cloudy with a 20 percent chance of thunderstorms. Lows 35 to 40.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    57°
    Forecast night icon
    Night
    40% Chance of Rain
    36°
    Wednesday 5/1
    Day
    57°
    Partly Cloudy
    Forecast day icon
    Night
    36°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a 20 percent chance of rain. Highs 65 to 70.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 36F. Dew point will be around 31F with an average humidity of 61%. Winds will be 3 mph from the SE.
  • Forecast day icon
    Thursday
    40% Chance of Rain
    59°
    Forecast night icon
    Night
    40% Chance of Rain
    36°
    Thursday 5/2
    Day
    59°
    40% Chance of Rain
    Forecast day icon
    Night
    36°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 59F. Dew point will be around 36F with an average humidity of 56%. Winds will be 2 mph from the S.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 36F. Dew point will be around 35F with an average humidity of 67%. Winds will be 2 mph from the W.
  • Forecast day icon
    Friday
    50% Chance of Rain
    58°
    Forecast night icon
    Night
    50% Chance of Rain
    35°
    Friday 5/3
    Day
    58°
    50% Chance of Rain
    Forecast day icon
    Night
    35°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 58F. Dew point will be around 34F with an average humidity of 53%. Winds will be 5 mph from the NW.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 35F. Dew point will be around 32F with an average humidity of 62%. Winds will be 4 mph from the SW.