NWS Forecast for: Lewistown MT
Issued by: National Weather Service Great Falls, MT
Last Update: 1:36 am MST Mar 9, 2021
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  • Overnight

    Overnight: Snow, mainly after 5am.  Low around 24. West northwest wind around 5 mph.  Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

    Snow


    Low: 24 °F

  • Tuesday

    Tuesday: Rain and snow before 2pm, then a slight chance of rain between 2pm and 3pm.  High near 37. West northwest wind 7 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Snow then
    Chance
    Rain/Snow

    High: 37 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 21. Southeast wind 3 to 5 mph.

    Mostly Clear


    Low: 21 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    Mostly Sunny


    High: 42 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 18. North northwest wind around 6 mph becoming calm  in the evening.

    Partly Cloudy


    Low: 18 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 38. West northwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Mostly Sunny


    High: 38 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 21. West northwest wind 5 to 7 mph becoming southwest after midnight.

    Mostly Clear


    Low: 21 °F

  • Friday

    Friday: Sunny, with a high near 46. Southwest wind 3 to 6 mph.

    Sunny


    High: 46 °F

  • Friday
    Night

    Friday Night: Clear, with a low around 23.

    Clear


    Low: 23 °F



  • Overnight: Snow, mainly after 5am. Low around 24. West northwest wind around 5 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

    Tuesday: Rain and snow before 2pm, then a slight chance of rain between 2pm and 3pm. High near 37. West northwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Tuesday Night: Mostly clear, with a low around 21. Southeast wind 3 to 5 mph.

    Wednesday: Mostly sunny, with a high near 42. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    Wednesday Night: Partly cloudy, with a low around 18. North northwest wind around 6 mph becoming calm in the evening.

    Thursday: Mostly sunny, with a high near 38. West northwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Thursday Night: Mostly clear, with a low around 21. West northwest wind 5 to 7 mph becoming southwest after midnight.

    Friday: Sunny, with a high near 46. Southwest wind 3 to 6 mph.

    Friday Night: Clear, with a low around 23.

    Saturday: Sunny, with a high near 53.

    Saturday Night: Mostly clear, with a low around 28.

    Sunday: Mostly sunny, with a high near 56.

    Sunday Night: A chance of rain and snow. Mostly cloudy, with a low around 14.

    Monday: A chance of snow. Mostly cloudy, with a high near 26.



    Lewistown MT
     47.07°N 109.43°W (Elev. 3898 ft)

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