Severe Thunderstorms for mid-Mississippi and Ohio Valley; Record Warmth and Fire Weather Concerns

Severe thunderstorms are expected later this afternoon and evening across the mid-Mississippi and Ohio Valley's. Large hail, damaging winds and a few tornadoes are all possible. Meanwhile, record warmth across the southern tier of the country continues; This will enhance fire weather conditions for the Plains. The cold front will head south on Friday with cooler temperatures east of the Rockies. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Partly Cloudy

34°F

1°C

Humidity 72%
Wind Speed SW 19 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 26 Mar 08:54 AM MDT
Extended Forecast for

Lewistown Municipal MT

  • Today

    Today: Mostly sunny, with a high near 42. Breezy, with a west northwest wind 18 to 26 mph, with gusts as high as 37 mph.

    High: 42 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 19. West northwest wind 13 to 18 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 28 mph.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 52. South wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32. South wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 62. South southwest wind 6 to 8 mph becoming west northwest in the afternoon.

    High: 62 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35. Southwest wind 6 to 9 mph.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 57. West southwest wind 6 to 9 mph becoming north in the afternoon.

    High: 57 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain before 3am, then a slight chance of rain and snow.  Mostly cloudy, with a low around 33. Northeast wind 7 to 9 mph becoming south southeast after midnight.

    Low: 33 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Monday

    Monday: A slight chance of rain and snow before 9am, then a chance of rain.  Mostly cloudy, with a high near 61.

    High: 61 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 42. Breezy, with a west northwest wind 18 to 26 mph, with gusts as high as 37 mph.
Tonight
Partly cloudy, with a low around 19. West northwest wind 13 to 18 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 28 mph.
Friday
Sunny, with a high near 52. South wind 7 to 11 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 32. South wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday
Mostly cloudy, with a high near 62. South southwest wind 6 to 8 mph becoming west northwest in the afternoon.
Saturday Night
Mostly cloudy, with a low around 35. Southwest wind 6 to 9 mph.
Sunday
Partly sunny, with a high near 57. West southwest wind 6 to 9 mph becoming north in the afternoon.
Sunday Night
A slight chance of rain before 3am, then a slight chance of rain and snow. Mostly cloudy, with a low around 33. Northeast wind 7 to 9 mph becoming south southeast after midnight.
Monday
A slight chance of rain and snow before 9am, then a chance of rain. Mostly cloudy, with a high near 61.
Monday Night
A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 28.
Tuesday
A chance of snow. Mostly cloudy, with a high near 44.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 21.
Wednesday
A chance of snow. Mostly cloudy, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
8:52 am MDT Mar 26, 2026
9am MDT Mar 26, 2026-6pm MDT Apr 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database