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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

46°F

8°C

Humidity 52%
Wind Speed E 4 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 20 Nov 11:05 AM MST
Extended Forecast for

Lewistown Municipal MT

  • Today

    Today: Sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 29. South wind 5 to 7 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 54. South southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. West southwest wind 8 to 10 mph.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 55. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31. West wind around 8 mph becoming south after midnight.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 58. South wind around 9 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34. South southwest wind 6 to 8 mph.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain before 11am, then a slight chance of rain and snow. Partly sunny, with a high near 52.

    High: 52 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 52. Light and variable wind.
Tonight
Mostly clear, with a low around 29. South wind 5 to 7 mph.
Friday
Sunny, with a high near 54. South southwest wind 7 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 30. West southwest wind 8 to 10 mph.
Saturday
Mostly sunny, with a high near 55. Southwest wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 31. West wind around 8 mph becoming south after midnight.
Sunday
Mostly sunny, with a high near 58. South wind around 9 mph becoming west in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 34. South southwest wind 6 to 8 mph.
Monday
A slight chance of rain before 11am, then a slight chance of rain and snow. Partly sunny, with a high near 52.
Monday Night
A chance of snow. Mostly cloudy, with a low around 18.
Tuesday
A slight chance of snow. Partly sunny, with a high near 30.
Tuesday Night
Partly cloudy, with a low around 11.
Wednesday
Mostly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.49°W (Elev. 4183 ft)
Last Update:
9:47 am MST Nov 20, 2025
Forecast Valid:
11am MST Nov 20, 2025-6pm MST Nov 26, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation