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

33°F

1°C

Humidity 75%
Wind Speed W 5 MPH
Barometer 29.68 in (1005.08 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 05 Mar 12:54 AM MST
Extended Forecast for

Lewistown Municipal MT

  • Overnight

    Overnight: A 20 percent chance of rain.  Mostly cloudy, with a low around 32. West wind around 6 mph.

    Low: 32 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A chance of rain and snow before 7am, then snow.  High near 38. Northwest wind 9 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Rain/Snow
    then Snow

  • Thursday Night

    Thursday Night: A chance of snow before 10pm, then a slight chance of snow after 4am.  Mostly cloudy, with a low around 24. West northwest wind 6 to 10 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow after 11am.  Partly sunny, with a high near 43. West northwest wind 6 to 11 mph, with gusts as high as 22 mph.  Little or no snow accumulation expected.

    High: 43 °F

    Chance Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25. West southwest wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 52. West wind 13 to 21 mph, with gusts as high as 32 mph.

    High: 52 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. West southwest wind 15 to 20 mph, with gusts as high as 31 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 59. Breezy, with a west southwest wind 15 to 20 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 59 °F

    Partly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A slight chance of rain before 11pm, then a chance of rain and snow.  Mostly cloudy, with a low around 33. Breezy.

    Low: 33 °F

    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a low around 32. West wind around 6 mph.
Thursday
A chance of rain and snow before 7am, then snow. High near 38. Northwest wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday Night
A chance of snow before 10pm, then a slight chance of snow after 4am. Mostly cloudy, with a low around 24. West northwest wind 6 to 10 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow after 11am. Partly sunny, with a high near 43. West northwest wind 6 to 11 mph, with gusts as high as 22 mph. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 25. West southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Saturday
Partly sunny, with a high near 52. West wind 13 to 21 mph, with gusts as high as 32 mph.
Saturday Night
Partly cloudy, with a low around 37. West southwest wind 15 to 20 mph, with gusts as high as 31 mph.
Sunday
Partly sunny, with a high near 59. Breezy, with a west southwest wind 15 to 20 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 40 mph.
Sunday Night
A slight chance of rain before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 33. Breezy.
Monday
A chance of rain and snow before 8am, then snow likely. Mostly cloudy, with a high near 47.
Monday Night
A chance of snow. Mostly cloudy, with a low around 22.
Tuesday
A chance of snow. Partly sunny, with a high near 35.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 18.
Wednesday
A slight chance of snow. Mostly cloudy, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
12:26 am MST Mar 5, 2026
1am MST Mar 5, 2026-6pm MDT Mar 11, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database