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

14°F

-10°C

Humidity 60%
Wind Speed NW 4 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 01 Dec 02:54 AM MST
Extended Forecast for

Lewistown Municipal MT

Winter Weather Advisory December 2, 05:00am until December 3, 05:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 11. Wind chill values as low as zero. Southwest wind around 7 mph.

    Low: 11 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 34. West southwest wind 6 to 9 mph.

    High: 34 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of snow, mainly after 4am.  Mostly cloudy, with a low around 23. West southwest wind around 10 mph, with gusts as high as 18 mph.  New snow accumulation of less than one inch possible.

    Low: 23 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow.  High near 33. West northwest wind 9 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 33 °F

    Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 11pm.  Cloudy, with a low around 12. Northwest wind 9 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 12 °F

    Snow Likely
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 32. Southwest wind around 6 mph.

    High: 32 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18. West southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 18 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 37. West southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 37 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow.  Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 11. Wind chill values as low as zero. Southwest wind around 7 mph.
Monday
Partly sunny, with a high near 34. West southwest wind 6 to 9 mph.
Monday Night
A 30 percent chance of snow, mainly after 4am. Mostly cloudy, with a low around 23. West southwest wind around 10 mph, with gusts as high as 18 mph. New snow accumulation of less than one inch possible.
Tuesday
Snow. High near 33. West northwest wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
Snow likely, mainly before 11pm. Cloudy, with a low around 12. Northwest wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Partly sunny, with a high near 32. Southwest wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 18. West southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Thursday
Partly sunny, with a high near 37. West southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 22.
Friday
A chance of snow. Mostly cloudy, with a high near 39.
Friday Night
Snow likely. Mostly cloudy, with a low around 13.
Saturday
Snow likely. Mostly cloudy, with a high near 30.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 11.
Sunday
A slight chance of snow. Partly sunny, with a high near 36.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.49°W (Elev. 4183 ft)
2:26 am MST Dec 1, 2025
3am MST Dec 1, 2025-6pm MST Dec 7, 2025
 
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Additional Resources

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