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Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

28°F

-2°C

Humidity 46%
Wind Speed NW 5 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 26 Jan 03:35 PM MST
Extended Forecast for

Lewistown Municipal MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 18. West southwest wind around 8 mph.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. West southwest wind around 8 mph.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 21. South southwest wind around 8 mph.

    Low: 21 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 42. West wind 6 to 8 mph.

    High: 42 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. West wind around 9 mph.

    Low: 24 °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 26. South southwest wind around 7 mph.

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 45. Southwest wind around 8 mph.

    High: 45 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 18. West southwest wind around 8 mph.
Tuesday
Mostly sunny, with a high near 39. West southwest wind around 8 mph.
Tuesday Night
Increasing clouds, with a low around 21. South southwest wind around 8 mph.
Wednesday
Mostly cloudy, with a high near 42. West wind 6 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 24. West wind around 9 mph.
Thursday
Mostly sunny, with a high near 44. West southwest wind around 8 mph.
Thursday Night
Mostly cloudy, with a low around 26. South southwest wind around 7 mph.
Friday
Mostly cloudy, with a high near 45. Southwest wind around 8 mph.
Friday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 53.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
Last Update:
1:28 pm MST Jan 26, 2026
Forecast Valid:
3pm MST Jan 26, 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