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Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Overcast

24°F

-4°C

Humidity 68%
Wind Speed W 9 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 27 Jan 03:54 AM MST
Extended Forecast for

Lewistown MT

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 40. West wind around 7 mph.

    High: 40 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 21. South wind around 6 mph.

    Low: 21 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 43. South wind around 5 mph becoming calm.

    High: 43 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. West wind around 7 mph.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 44. West wind around 6 mph.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26. West southwest wind around 6 mph.

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 47. South southwest wind around 7 mph.

    High: 47 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 40. West wind around 7 mph.
Tonight
Increasing clouds, with a low around 21. South wind around 6 mph.
Wednesday
Mostly cloudy, with a high near 43. South wind around 5 mph becoming calm.
Wednesday Night
Mostly cloudy, with a low around 24. West wind around 7 mph.
Thursday
Mostly sunny, with a high near 44. West wind around 6 mph.
Thursday Night
Mostly cloudy, with a low around 26. West southwest wind around 6 mph.
Friday
Partly sunny, with a high near 47. South southwest wind around 7 mph.
Friday Night
Mostly cloudy, with a low around 32. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 51.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
3:29 am MST Jan 27, 2026
4am MST Jan 27, 2026-6pm MST Feb 2, 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