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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 >

Hazardous Weather Conditions

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Rain

35°F

2°C

Humidity 92%
Wind Speed NW 9 MPH
Barometer 29.69 in (1005.42 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 05 Mar 06:54 AM MST
Extended Forecast for

Lewistown MT

High Wind Watch March 7, 08:00am until March 7, 11:00pm
Click here for hazard details and duration
High Wind Watch

  • Today

    Today: Rain and snow likely before 9am, then snow. High near 38. Northwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow
    then Snow
    Likely

  • Tonight

    Tonight: A chance of snow before 10pm, then a slight chance of snow after 4am. Mostly cloudy, with a low around 24. West northwest wind 3 to 8 mph. Chance of precipitation is 30%. 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. Cloudy, then gradually becoming mostly sunny, with a high near 43. West northwest wind 5 to 10 mph, with gusts as high as 21 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 8 to 10 mph, with gusts as high as 21 mph.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 53. West wind 10 to 20 mph, with gusts as high as 32 mph.

    High: 53 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. West southwest wind 14 to 18 mph, with gusts as high as 31 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 60. Breezy, with a west southwest wind 14 to 19 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 60 °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 32. Breezy, with a west wind 13 to 22 mph, with gusts as high as 37 mph.

    Low: 32 °F

    Chance
    Rain/Snow and
    Breezy

  • Monday

    Monday: A chance of rain and snow before 8am, then snow likely. Mostly cloudy, with a high near 48.

    High: 48 °F

    Rain/Snow
    Likely then
    Snow Likely

Detailed Forecast

Today
Rain and snow likely before 9am, then snow. High near 38. Northwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of snow before 10pm, then a slight chance of snow after 4am. Mostly cloudy, with a low around 24. West northwest wind 3 to 8 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 43. West northwest wind 5 to 10 mph, with gusts as high as 21 mph. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 25. West southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Saturday
Partly sunny, with a high near 53. West wind 10 to 20 mph, with gusts as high as 32 mph.
Saturday Night
Partly cloudy, with a low around 37. West southwest wind 14 to 18 mph, with gusts as high as 31 mph.
Sunday
Partly sunny, with a high near 60. Breezy, with a west southwest wind 14 to 19 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 32. Breezy, with a west wind 13 to 22 mph, with gusts as high as 37 mph.
Monday
A chance of rain and snow before 8am, then snow likely. Mostly cloudy, with a high near 48.
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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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
Last Update:
3:27 am MST Mar 5, 2026
Forecast Valid:
7am MST Mar 5, 2026-6pm MDT Mar 11, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation