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

19°F

-7°C

Humidity 92%
Wind Speed E 10 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 06 Dec 07:20 PM MST
Extended Forecast for

Lewistown Municipal MT

  • Tonight

    Tonight: Snow likely, mainly before 9pm.  Mostly cloudy, with a temperature rising to around 28 by 5am. South southeast wind 6 to 15 mph becoming west after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 23 °F

    Snow Likely
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 38. West wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 38 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 27. West southwest wind 14 to 16 mph, with gusts as high as 31 mph.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 43. West wind 18 to 21 mph, with gusts as high as 34 mph.

    High: 43 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A 30 percent chance of rain.  Cloudy, with a low around 32. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 41 mph.

    Low: 32 °F

    Chance Rain
    and Breezy

  • Tuesday

    Tuesday: Rain likely, possibly mixed with snow before 11am, then a chance of snow between 11am and 2pm, then a chance of rain and snow after 2pm.  Mostly cloudy, with a high near 46. Windy, with a west northwest wind 24 to 30 mph, with gusts as high as 49 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Rain/Snow
    Likely and
    Windy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 24. West northwest wind 10 to 15 mph becoming south southwest after midnight. Winds could gust as high as 26 mph.  New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow

  • Wednesday

    Wednesday: Rain and snow likely, becoming all snow after 2pm.  Mostly cloudy, with a high near 40. South southwest wind around 11 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 40 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 11pm.  Mostly cloudy, with a low around 11.

    Low: 11 °F

    Snow Likely

Detailed Forecast

Tonight
Snow likely, mainly before 9pm. Mostly cloudy, with a temperature rising to around 28 by 5am. South southeast wind 6 to 15 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Mostly sunny, with a high near 38. West wind 10 to 14 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 27. West southwest wind 14 to 16 mph, with gusts as high as 31 mph.
Monday
Increasing clouds, with a high near 43. West wind 18 to 21 mph, with gusts as high as 34 mph.
Monday Night
A 30 percent chance of rain. Cloudy, with a low around 32. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 41 mph.
Tuesday
Rain likely, possibly mixed with snow before 11am, then a chance of snow between 11am and 2pm, then a chance of rain and snow after 2pm. Mostly cloudy, with a high near 46. Windy, with a west northwest wind 24 to 30 mph, with gusts as high as 49 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 24. West northwest wind 10 to 15 mph becoming south southwest after midnight. Winds could gust as high as 26 mph. New snow accumulation of less than a half inch possible.
Wednesday
Rain and snow likely, becoming all snow after 2pm. Mostly cloudy, with a high near 40. South southwest wind around 11 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 11.
Thursday
A chance of snow. Mostly cloudy, with a high near 21.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 2.
Friday
A chance of snow. Mostly cloudy, with a high near 23.
Friday Night
A chance of snow. Mostly cloudy, with a low around 10.
Saturday
Partly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
4:52 pm MST Dec 6, 2025
7pm MST Dec 6, 2025-6pm MST Dec 13, 2025
 
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