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

32°F

0°C

Humidity 63%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 07 Dec 11:20 AM MST
Extended Forecast for

Lewistown MT

High Wind Watch December 8, 06:00pm until December 9, 10:00am
Click here for hazard details and duration
High Wind Watch
  • Today

    Today: Partly sunny, with a high near 40. West wind around 10 mph, with gusts as high as 21 mph.

    High: 40 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of rain and snow between 8pm and 10pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 27. West southwest wind 11 to 16 mph, with gusts as high as 29 mph.  Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 43. West wind 15 to 17 mph, with gusts as high as 31 mph.

    High: 43 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly before 11pm.  Cloudy, with a low around 32. Breezy, with a southwest wind 14 to 19 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 43 mph.

    Low: 32 °F

    Chance Rain
    and Breezy

  • Tuesday

    Tuesday: A chance of rain before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of snow after 2pm.  Mostly cloudy, with a high near 46. Windy, with a west northwest wind 20 to 30 mph, with gusts as high as 46 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 46 °F

    Chance
    Rain/Snow and
    Windy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow, mainly after 11pm.  Mostly cloudy, with a low around 25. West northwest wind 7 to 14 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: 25 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow before 8am, then rain and snow.  High near 40. South wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 24 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 11pm.  Mostly cloudy, with a low around 6. West northwest wind 8 to 13 mph, with gusts as high as 23 mph.

    Low: 6 °F

    Snow Likely

  • Thursday

    Thursday: A chance of snow.  Mostly cloudy, with a high near 17.

    High: 17 °F

    Chance Snow

Detailed Forecast

Today
Partly sunny, with a high near 40. West wind around 10 mph, with gusts as high as 21 mph.
Tonight
A slight chance of rain and snow between 8pm and 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 27. West southwest wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Monday
Increasing clouds, with a high near 43. West wind 15 to 17 mph, with gusts as high as 31 mph.
Monday Night
A 30 percent chance of rain, mainly before 11pm. Cloudy, with a low around 32. Breezy, with a southwest wind 14 to 19 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 43 mph.
Tuesday
A chance of rain before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of snow after 2pm. Mostly cloudy, with a high near 46. Windy, with a west northwest wind 20 to 30 mph, with gusts as high as 46 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday Night
A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 25. West northwest wind 7 to 14 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
Snow before 8am, then rain and snow. High near 40. South wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 6. West northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Thursday
A chance of snow. Mostly cloudy, with a high near 17.
Thursday Night
A chance of snow. Mostly cloudy, with a low around -4.
Friday
A chance of snow. Mostly cloudy, with a high near 18.
Friday Night
A chance of snow. Mostly cloudy, with a low around 6.
Saturday
A slight chance of snow. Mostly cloudy, with a high near 35.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
9:37 am MST Dec 7, 2025
11am MST Dec 7, 2025-6pm MST Dec 13, 2025
 
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Additional Resources

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