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Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

snow,freezing fog

14°F

-10°C

Humidity 91%
Wind Speed WNW 11 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 12°F (-11°C)
Visibility 0.50 mi
Wind Chill1°F (-17°C)
Last update 24 Jan 09:54 AM MST
Extended Forecast for

Lewistown Municipal MT

Winter Weather Advisory until January 25, 05:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until January 25, 05:00am

    NOW until 5:00am Sun

    Winter Weather Advisory

  • Today

    High: 11 °F

    Snow Likely

  • Tonight

    Tonight: Snow, mainly before 1am.  Low around -8. Northwest wind 6 to 8 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: -8 °F

    Snow

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 20. Wind chill values as low as -15. West northwest wind around 6 mph becoming southwest in the afternoon.

    High: 20 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 7. Wind chill values as low as -5. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 7 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 39. West southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 19. West southwest wind around 9 mph.

    Low: 19 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. West southwest wind around 8 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. Southwest wind around 7 mph.

    Low: 21 °F

    Mostly Clear

Detailed Forecast

Today
Snow likely. Cloudy, with a steady temperature around 11. Wind chill values as low as -5. Northwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow, mainly before 1am. Low around -8. Northwest wind 6 to 8 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 20. Wind chill values as low as -15. West northwest wind around 6 mph becoming southwest in the afternoon.
Sunday Night
Mostly clear, with a low around 7. Wind chill values as low as -5. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 39. West southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 19. West southwest wind around 9 mph.
Tuesday
Mostly sunny, with a high near 40. West southwest wind around 8 mph.
Tuesday Night
Mostly clear, with a low around 21. Southwest wind around 7 mph.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 41.
Thursday Night
Mostly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
9:23 am MST Jan 24, 2026
10am MST Jan 24, 2026-6pm MST Jan 30, 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