National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

We are hiring an entry level meteorologist! Applications will be accepted through January 29.

Read More >

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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
Last Update:
4:08 pm MST Jan 29, 2026
Forecast Valid:
4pm MST Jan 29, 2026-6pm MST Feb 5, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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