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.

Mostly Cloudy

24°F

-4°C

Humidity 95%
Wind Speed SE 5 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 27 Nov 03:54 AM MST
Extended Forecast for

Lewistown MT

Winter Weather Advisory November 28, 12:00am until November 28, 11:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Thanksgiving Day

    Thanksgiving Day: A 30 percent chance of snow, mainly after 5pm.  Patchy freezing fog before 11am. Mostly cloudy, with a high near 39. Calm wind becoming east southeast 5 to 8 mph in the afternoon.  Total daytime snow accumulation of less than a half inch possible.

    High: 39 °F

    Patchy
    Freezing Fog
    then Chance
    Snow

  • Tonight

    Tonight: Snow before 9pm, then rain and snow between 9pm and 3am, then snow after 3am.  Low around 15. East southeast wind 5 to 8 mph becoming northwest after midnight.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 15 °F

    Rain/Snow

  • Friday

    Friday: Snow.  High near 26. Northwest wind 10 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 26 °F

    Snow

  • Friday Night

    Friday Night: Snow likely, mainly before 11pm.  Cloudy, with a low around 0. Wind chill values as low as -10. Northwest wind 9 to 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 0 °F

    Snow Likely
    then Slight
    Chance Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 20. West northwest wind around 6 mph becoming calm  in the morning.

    High: 20 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -2. Calm wind becoming south around 5 mph in the evening.

    Low: -2 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 26. South wind around 5 mph becoming calm  in the morning.

    High: 26 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 8. South southwest wind around 6 mph.

    Low: 8 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

Detailed Forecast

Thanksgiving Day
A 30 percent chance of snow, mainly after 5pm. Patchy freezing fog before 11am. Mostly cloudy, with a high near 39. Calm wind becoming east southeast 5 to 8 mph in the afternoon. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow before 9pm, then rain and snow between 9pm and 3am, then snow after 3am. Low around 15. East southeast wind 5 to 8 mph becoming northwest after midnight. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Friday
Snow. High near 26. Northwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow likely, mainly before 11pm. Cloudy, with a low around 0. Wind chill values as low as -10. Northwest wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Saturday
Mostly sunny, with a high near 20. West northwest wind around 6 mph becoming calm in the morning.
Saturday Night
Partly cloudy, with a low around -2. Calm wind becoming south around 5 mph in the evening.
Sunday
Sunny, with a high near 26. South wind around 5 mph becoming calm in the morning.
Sunday Night
Partly cloudy, with a low around 8. South southwest wind around 6 mph.
Monday
Partly sunny, with a high near 36.
Monday Night
A chance of snow after 11pm. Mostly cloudy, with a low around 20.
Tuesday
A chance of snow. Mostly cloudy, with a high near 38.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 18.
Wednesday
A chance of snow. Mostly cloudy, with a high near 32.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
3:12 am MST Nov 27, 2025
4am MST Nov 27, 2025-6pm MST Dec 3, 2025
 
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Additional Resources

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Hourly Weather Forecast

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