Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

36°F

2°C

Humidity 59%
Wind Speed E 11 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 27 Feb 05:35 PM MST
Extended Forecast for

Lewistown Municipal MT

  • Tonight

    Tonight: A 10 percent chance of snow after 5am.  Mostly cloudy, with a low around 21. West northwest wind 9 to 13 mph becoming east after midnight. Winds could gust as high as 28 mph.

    Low: 21 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 35. Northwest wind 6 to 9 mph becoming east northeast in the afternoon.

    High: 35 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 19. South southeast wind 6 to 10 mph.

    Low: 19 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50. Light south southwest wind.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27. South southwest wind 5 to 8 mph.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53. South southwest wind around 7 mph becoming northwest in the afternoon.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 27. North northwest wind around 6 mph becoming southwest in the evening.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56. Southwest wind 6 to 8 mph.

    High: 56 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 10 percent chance of snow after 5am. Mostly cloudy, with a low around 21. West northwest wind 9 to 13 mph becoming east after midnight. Winds could gust as high as 28 mph.
Saturday
Partly sunny, with a high near 35. Northwest wind 6 to 9 mph becoming east northeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 19. South southeast wind 6 to 10 mph.
Sunday
Mostly sunny, with a high near 50. Light south southwest wind.
Sunday Night
Mostly clear, with a low around 27. South southwest wind 5 to 8 mph.
Monday
Sunny, with a high near 53. South southwest wind around 7 mph becoming northwest in the afternoon.
Monday Night
Mostly clear, with a low around 27. North northwest wind around 6 mph becoming southwest in the evening.
Tuesday
Mostly sunny, with a high near 56. Southwest wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Cloudy, with a high near 54.
Wednesday Night
A chance of rain and snow. Cloudy, with a low around 28.
Thursday
A chance of snow. Mostly cloudy, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
4:57 pm MST Feb 27, 2026
5pm MST Feb 27, 2026-6pm MST Mar 6, 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