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.

Overcast

6°F

-14°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 29 Nov 03:54 AM MST
Extended Forecast for

Lewistown Municipal MT

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 18. Wind chill values as low as -15. Southwest wind around 6 mph becoming calm  in the morning.

    High: 18 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around -2. Wind chill values as low as -10. Southeast wind around 6 mph.

    Low: -2 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 24. Wind chill values as low as -10. South southeast wind around 5 mph becoming calm  in the morning.

    High: 24 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 7. Wind chill values as low as zero. West southwest wind 5 to 7 mph.

    Low: 7 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 35. West southwest wind 5 to 7 mph.

    High: 35 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a low around 19. Southwest wind 7 to 10 mph.

    Low: 19 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: Snow likely.  Cloudy, with a high near 33. West northwest wind 8 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 33 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 11pm.  Cloudy, with a low around 11. Northwest wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 11 °F

    Snow Likely

  • Wednesday

    Wednesday: A slight chance of snow before 11am.  Partly sunny, with a high near 30.

    High: 30 °F

    Slight Chance
    Snow then
    Mostly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 18. Wind chill values as low as -15. Southwest wind around 6 mph becoming calm in the morning.
Tonight
Mostly clear, with a low around -2. Wind chill values as low as -10. Southeast wind around 6 mph.
Sunday
Sunny, with a high near 24. Wind chill values as low as -10. South southeast wind around 5 mph becoming calm in the morning.
Sunday Night
Mostly clear, with a low around 7. Wind chill values as low as zero. West southwest wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 35. West southwest wind 5 to 7 mph.
Monday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 19. Southwest wind 7 to 10 mph.
Tuesday
Snow likely. Cloudy, with a high near 33. West northwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Snow likely, mainly before 11pm. Cloudy, with a low around 11. Northwest wind 9 to 13 mph, with gusts as high as 22 mph.
Wednesday
A slight chance of snow before 11am. Partly sunny, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
A slight chance of snow. Mostly cloudy, with a high near 36.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 22.
Friday
A slight chance of snow. Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.49°W (Elev. 4183 ft)
2:22 am MST Nov 29, 2025
4am MST Nov 29, 2025-6pm MST Dec 5, 2025
 
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