National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms in the Central U.S.; Record Temperatures Likely for Eastern U.S.

Several rounds of severe thunderstorms and heavy rain are forecast from the southern Plains to the Midwest through Friday. Large hail, damaging wind gusts, and tornadoes are possible. A significant warm-up is expected for much of the Eastern U.S. into next week. Several daily record temperature records are likely to be broken. Fire weather concerns will return to the central/southern High Plains. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.

Clear

43°F

6°C

Humidity 48%
Wind Speed S 6 MPH
Barometer 29.69 in (1005.42 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 04 Mar 07:35 PM MST
Extended Forecast for

Lewistown Municipal MT

  • Tonight

    Tonight: A slight chance of rain before 1am, then a chance of rain after 5am. Mostly cloudy, with a low around 32. South southeast wind 5 to 8 mph becoming west northwest after midnight. Chance of precipitation is 30%.

    Low: 32 °F

    Chance Rain

  • Thursday

    Thursday: Rain and snow likely before 11am, then snow. High near 41. Northwest wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow
    then Snow
    Likely

  • Thursday Night

    Thursday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 23. West northwest wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Snow Likely
    then Slight
    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 42. West northwest wind 6 to 10 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.

    High: 42 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. West northwest wind around 11 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 53. Breezy, with a west wind 14 to 23 mph, with gusts as high as 34 mph.

    High: 53 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 34 mph.

    Low: 37 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 58. Windy, with a west wind 17 to 22 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 58 °F

    Partly Sunny
    and Windy

  • Sunday Night

    Sunday Night: A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 32. Breezy.

    Low: 32 °F

    Chance Rain
    and Breezy
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
A slight chance of rain before 1am, then a chance of rain after 5am. Mostly cloudy, with a low around 32. South southeast wind 5 to 8 mph becoming west northwest after midnight. Chance of precipitation is 30%.
Thursday
Rain and snow likely before 11am, then snow. High near 41. Northwest wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 23. West northwest wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 42. West northwest wind 6 to 10 mph, with gusts as high as 20 mph. Little or no snow accumulation expected.
Friday Night
Mostly clear, with a low around 25. West northwest wind around 11 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Saturday
Partly sunny, with a high near 53. Breezy, with a west wind 14 to 23 mph, with gusts as high as 34 mph.
Saturday Night
Mostly cloudy, with a low around 37. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 34 mph.
Sunday
Partly sunny, with a high near 58. Windy, with a west wind 17 to 22 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 41 mph.
Sunday Night
A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 32. Breezy.
Monday
A chance of rain and snow before 8am, then a chance of snow. Partly sunny, with a high near 47. Breezy.
Monday Night
A chance of snow. Mostly cloudy, with a low around 20. Blustery.
Tuesday
A chance of snow. Partly sunny, with a high near 34.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 17.
Wednesday
A chance of snow. Mostly cloudy, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
Last Update:
2:41 pm MST Mar 4, 2026
Forecast Valid:
7pm MST Mar 4, 2026-6pm MDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation