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Hazardous Weather Conditions

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

light snow,mist

5°F

-15°C

Humidity 84%
Wind Speed NNW 4 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 1°F (-17°C)
Visibility 1.75 mi
Wind Chill-3°F (-19°C)
Last update 24 Jan 08:20 PM MST
Extended Forecast for

Lewistown Municipal MT

Winter Weather Advisory January 24, 08:43pm until January 25, 05:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 24, 08:43pm until January 25, 05:00am

    NOW until 5:00am Sun

    Winter Weather Advisory

  • Tonight

    Low: -7 °F

    Snow

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 18. Wind chill values as low as -15. Light and variable wind becoming south 5 to 7 mph in the morning.

    High: 18 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a temperature rising to around 20 by 5am. Wind chill values as low as -5. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 10 °F⇑

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 37. West wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 37 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21. West southwest wind around 9 mph.

    Low: 21 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. West southwest wind 7 to 9 mph.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21. South southwest wind around 8 mph.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44. South southwest wind around 7 mph.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Tonight
Snow, mainly before 2am. Low around -7. Wind chill values as low as -15. Northwest wind around 7 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 18. Wind chill values as low as -15. Light and variable wind becoming south 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a temperature rising to around 20 by 5am. Wind chill values as low as -5. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 37. West wind 9 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 21. West southwest wind around 9 mph.
Tuesday
Mostly sunny, with a high near 39. West southwest wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 21. South southwest wind around 8 mph.
Wednesday
Mostly sunny, with a high near 44. South southwest wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Partly sunny, with a high near 46.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 48.
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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:
8:08 pm MST Jan 24, 2026
Forecast Valid:
8pm MST Jan 24, 2026-6pm MST Jan 31, 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