NWS Forecast for: Lewistown MT
Issued by: National Weather Service Great Falls, MT
Last Update: 10:22 pm MST Dec 8, 2019
Print


  • Overnight

    Overnight: Mostly cloudy, with a low around 5. Wind chill values as low as -4. West southwest wind around 7 mph.

    Mostly Cloudy


    Low: 5 °F

  • Monday

    Monday: A 40 percent chance of snow, mainly after 1pm.  Cloudy, with a high near 32. Northwest wind 9 to 15 mph, with gusts as high as 22 mph.  New snow accumulation of less than one inch possible.

    Chance Snow


    High: 32 °F

  • Monday
    Night

    Monday Night: A 50 percent chance of snow, mainly before 11pm.  Cloudy, with a low around 17. West wind around 6 mph.  New snow accumulation of 1 to 3 inches possible.

    Chance Snow
    then Slight
    Chance Snow

    Low: 17 °F

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 35. West wind around 7 mph.

    Mostly Cloudy


    High: 35 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 21. Southwest wind around 6 mph.

    Mostly Cloudy


    Low: 21 °F

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 39.

    Mostly Cloudy


    High: 39 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 24.

    Partly Cloudy


    Low: 24 °F

  • Thursday

    Thursday: Partly sunny, with a high near 44.

    Partly Sunny


    High: 44 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 29.

    Mostly Cloudy


    Low: 29 °F

  • Overnight: Mostly cloudy, with a low around 5. Wind chill values as low as -4. West southwest wind around 7 mph.

    Monday: A 40 percent chance of snow, mainly after 1pm. Cloudy, with a high near 32. Northwest wind 9 to 15 mph, with gusts as high as 22 mph. New snow accumulation of less than one inch possible.

    Monday Night: A 50 percent chance of snow, mainly before 11pm. Cloudy, with a low around 17. West wind around 6 mph. New snow accumulation of 1 to 3 inches possible.

    Tuesday: Mostly cloudy, with a high near 35. West wind around 7 mph.

    Tuesday Night: Mostly cloudy, with a low around 21. Southwest wind around 6 mph.

    Wednesday: Mostly cloudy, with a high near 39.

    Wednesday Night: Partly cloudy, with a low around 24.

    Thursday: Partly sunny, with a high near 44.

    Thursday Night: Mostly cloudy, with a low around 29.

    Friday: A chance of snow after 11am. Partly sunny, with a high near 39.

    Friday Night: A slight chance of snow. Mostly cloudy, with a low around 22.

    Saturday: A slight chance of snow. Partly sunny, with a high near 33.

    Saturday Night: A slight chance of snow. Mostly cloudy, with a low around 17.

    Sunday: A slight chance of snow. Partly sunny, with a high near 31.



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

    Visit your local NWS office at: https://www.weather.gov/tfx