National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking a Couple of Storm Systems Across the Country

Showers, along with a few strong to severe thunderstorms, are expected from the Great Lakes, New England and southward into the Ohio and Tennessee Valleys. In the wake of this system, a stronger storm is expected to track from the Pacific Northwest, Plains and through the Eastern U.S. this weekend. Strong winds, showers and a larger drop in temperatures are expected this weekend into Monday. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.

Clear

23°F

-5°C

Humidity 79%
Wind Speed ESE 6 MPH
Barometer 30.38 in (1028.79 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 09 Nov 03:20 AM MST
Extended Forecast for

Lewistown MT

  • Overnight

    Overnight: Partly cloudy, with a low around 23. Light southeast wind.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 52. Southeast wind 3 to 6 mph.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 34. South wind 8 to 11 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 66. West southwest wind 11 to 18 mph, with gusts as high as 28 mph.

    High: 66 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38. West wind around 14 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Sunny, with a high near 57. West northwest wind 11 to 18 mph, with gusts as high as 26 mph.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 31. West northwest wind 5 to 8 mph becoming light and variable in the evening.

    Low: 31 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 60. South wind around 5 mph becoming light and variable.

    High: 60 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 23. Light southeast wind.
Sunday
Sunny, with a high near 52. Southeast wind 3 to 6 mph.
Sunday Night
Increasing clouds, with a low around 34. South wind 8 to 11 mph.
Monday
Partly sunny, with a high near 66. West southwest wind 11 to 18 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 38. West wind around 14 mph, with gusts as high as 25 mph.
Veterans Day
Sunny, with a high near 57. West northwest wind 11 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 31. West northwest wind 5 to 8 mph becoming light and variable in the evening.
Wednesday
Partly sunny, with a high near 60. South wind around 5 mph becoming light and variable.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Mostly cloudy, with a low around 40.
Friday
A slight chance of rain and snow. Mostly cloudy, with a high near 56.
Friday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
Last Update:
2:13 am MST Nov 9, 2025
Forecast Valid:
3am MST Nov 9, 2025-6pm MST Nov 15, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation