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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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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation