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

1°F

-17°C

Humidity 84%
Wind Speed SE 3 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Last update 30 Nov 12:20 AM MST
Extended Forecast for

Lewistown Municipal MT

  • Overnight

    Overnight: Partly cloudy, with a low around -5. Wind chill values as low as -15. Southeast wind around 6 mph.

    Low: -5 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 23. Wind chill values as low as -10. South wind around 6 mph becoming calm  in the morning.

    High: 23 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a steady temperature around 12. Wind chill values as low as zero. West southwest wind around 7 mph.

    Low: 12 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 34. West southwest wind around 7 mph.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a low around 22. Southwest wind 7 to 10 mph.

    Low: 22 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: Snow likely.  Cloudy, with a high near 34. West northwest wind 9 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 11pm.  Cloudy, with a low around 11. West northwest wind 9 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 11 °F

    Snow Likely
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 30. Southwest wind 5 to 7 mph.

    High: 30 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around -5. Wind chill values as low as -15. Southeast wind around 6 mph.
Sunday
Sunny, with a high near 23. Wind chill values as low as -10. South wind around 6 mph becoming calm in the morning.
Sunday Night
Mostly clear, with a steady temperature around 12. Wind chill values as low as zero. West southwest wind around 7 mph.
Monday
Mostly sunny, with a high near 34. West southwest wind around 7 mph.
Monday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 22. Southwest wind 7 to 10 mph.
Tuesday
Snow likely. Cloudy, with a high near 34. West northwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Snow likely, mainly before 11pm. Cloudy, with a low around 11. West northwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Wednesday
Partly sunny, with a high near 30. Southwest wind 5 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
A slight chance of snow. Partly sunny, with a high near 37.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 22.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 44.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 28.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.49°W (Elev. 4183 ft)
10:12 pm MST Nov 29, 2025
12am MST Nov 30, 2025-6pm MST Dec 6, 2025
 
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Additional Resources

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