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Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

10°F

-12°C

Humidity 55%
Wind Speed ESE 5 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 25 Jan 04:35 PM MST
Extended Forecast for

Lewistown Municipal MT

  • Tonight

    Tonight: Patchy blowing snow after 11pm. Mostly clear, with a temperature rising to around 19 by 4am. Wind chill values as low as -5. South southeast wind 10 to 15 mph becoming west southwest after midnight. Winds could gust as high as 21 mph.

    Low: 8 °F

    Patchy
    Blowing Snow

  • Monday

    Monday: Increasing clouds, with a high near 37. West southwest wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 37 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 19. Southwest wind around 8 mph.

    Low: 19 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 39. West northwest wind 7 to 9 mph.

    High: 39 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22. Southwest wind 6 to 8 mph.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 43. Southwest wind around 7 mph.

    High: 43 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25. West southwest wind 7 to 9 mph.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 44. West southwest wind around 8 mph.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy blowing snow after 11pm. Mostly clear, with a temperature rising to around 19 by 4am. Wind chill values as low as -5. South southeast wind 10 to 15 mph becoming west southwest after midnight. Winds could gust as high as 21 mph.
Monday
Increasing clouds, with a high near 37. West southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 19. Southwest wind around 8 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 39. West northwest wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 22. Southwest wind 6 to 8 mph.
Wednesday
Mostly cloudy, with a high near 43. Southwest wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 25. West southwest wind 7 to 9 mph.
Thursday
Mostly sunny, with a high near 44. West southwest wind around 8 mph.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 49.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Partly sunny, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
3:42 pm MST Jan 25, 2026
4pm MST Jan 25, 2026-6pm MST Feb 1, 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