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PNS25-72: Soliciting Comments through December 19, 2025 on the Discontinuation of the Max/Min Temperature and Precipitation Table Product (RTP) for all NWS Alaska Region, Eastern Region, and Western Region Offices.

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Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

27°F

-3°C

Humidity 73%
Wind Speed WSW 20 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 04 Dec 06:05 AM MST
Extended Forecast for

Lewistown Municipal MT

  • Today

    Today: A chance of snow before 4pm, then a slight chance of snow after 5pm. Increasing clouds, with a high near 36. West wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Total daytime snow accumulation of less than a half inch possible.

    High: 36 °F

    Mostly Sunny
    then Chance
    Snow

  • Tonight

    Tonight: A chance of snow before 11pm, then a slight chance of snow after midnight. Cloudy, with a low around 21. West wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.

    Low: 21 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow after 11am. Mostly cloudy, with a high near 33. West northwest wind 5 to 8 mph becoming south southeast in the afternoon. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow

  • Friday Night

    Friday Night: Snow. Low around 13. Southeast wind 7 to 9 mph becoming north northwest after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 13 °F

    Snow

  • Saturday

    Saturday: Snow likely, mainly before 11am. Cloudy, with a high near 31. West southwest wind 5 to 7 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Snow Likely
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow before 11pm. Mostly cloudy, with a low around 16. West southwest wind 6 to 10 mph, with gusts as high as 21 mph. New snow accumulation of less than one inch possible.

    Low: 16 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 39. West southwest wind around 11 mph, with gusts as high as 22 mph.

    High: 39 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of snow before 11pm. Mostly cloudy, with a low around 28. Southwest wind 13 to 16 mph, with gusts as high as 30 mph.

    Low: 28 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of snow before 4pm, then a slight chance of snow after 5pm. Increasing clouds, with a high near 36. West wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of snow before 11pm, then a slight chance of snow after midnight. Cloudy, with a low around 21. West wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.
Friday
A 40 percent chance of snow after 11am. Mostly cloudy, with a high near 33. West northwest wind 5 to 8 mph becoming south southeast in the afternoon. New snow accumulation of less than a half inch possible.
Friday Night
Snow. Low around 13. Southeast wind 7 to 9 mph becoming north northwest after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow likely, mainly before 11am. Cloudy, with a high near 31. West southwest wind 5 to 7 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
A 50 percent chance of snow before 11pm. Mostly cloudy, with a low around 16. West southwest wind 6 to 10 mph, with gusts as high as 21 mph. New snow accumulation of less than one inch possible.
Sunday
Partly sunny, with a high near 39. West southwest wind around 11 mph, with gusts as high as 22 mph.
Sunday Night
A slight chance of snow before 11pm. Mostly cloudy, with a low around 28. Southwest wind 13 to 16 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 41.
Monday Night
A chance of rain and snow after 11pm. Mostly cloudy, with a low around 27.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 43.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 21.
Wednesday
A chance of snow. Mostly cloudy, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.49°W (Elev. 4183 ft)
Last Update:
4:22 am MST Dec 4, 2025
Forecast Valid:
6am MST Dec 4, 2025-6pm MST Dec 10, 2025
 
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