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Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Overcast

39°F

4°C

Humidity 64%
Wind Speed WNW 9 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 29 Jan 04:00 PM MST
Extended Forecast for

Lewistown Municipal MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. Southwest wind 7 to 9 mph.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 47. West southwest wind around 7 mph.

    High: 47 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Cloudy, then gradually becoming partly cloudy, with a steady temperature around 40. Southwest wind 9 to 14 mph, with gusts as high as 26 mph.

    Low: 40 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 50. West wind 15 to 18 mph, with gusts as high as 33 mph.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28. Southwest wind 6 to 9 mph.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 55. Southwest wind around 6 mph.

    High: 55 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. West southwest wind 7 to 9 mph.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. West northwest wind 10 to 18 mph, with gusts as high as 29 mph.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 25. Southwest wind 7 to 9 mph.
Friday
Increasing clouds, with a high near 47. West southwest wind around 7 mph.
Friday Night
Cloudy, then gradually becoming partly cloudy, with a steady temperature around 40. Southwest wind 9 to 14 mph, with gusts as high as 26 mph.
Saturday
Mostly sunny, with a high near 50. West wind 15 to 18 mph, with gusts as high as 33 mph.
Saturday Night
Mostly cloudy, with a low around 28. Southwest wind 6 to 9 mph.
Sunday
Partly sunny, with a high near 55. Southwest wind around 6 mph.
Sunday Night
Mostly cloudy, with a low around 32. West southwest wind 7 to 9 mph.
Monday
Mostly sunny, with a high near 47. West northwest wind 10 to 18 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 52.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
4:08 pm MST Jan 29, 2026
4pm MST Jan 29, 2026-6pm MST Feb 5, 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