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

PNS26-03: Soliciting Comments through February 9, 2026 on the Discontinuation of the State Forecast Product (SFP)

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Hazardous Weather Conditions

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Partly Cloudy

28°F

-2°C

Humidity 43%
Wind Speed NW 23 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 15 Jan 10:54 PM MST
Extended Forecast for

Lewistown MTSimilar City Names

High Wind Warning January 15, 11:01pm until January 16, 05:00am
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning January 15, 11:01pm until January 16, 05:00am

    NOW until 5:00am Fri

    High Wind Warning

  • Tonight

    Low: 18 °F

    Patchy
    Blowing Dust
    and Blustery

  • Friday

    Friday: Mostly cloudy, with a high near 29. Blustery, with a northwest wind 21 to 24 mph, with gusts as high as 34 mph.

    High: 29 °F

    Mostly Cloudy
    and Blustery

  • Friday Night

    Friday Night: Partly cloudy, with a low around 13. West northwest wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.

    Low: 13 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 47. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 47 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. West wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 35. Northwest wind 14 to 17 mph, with gusts as high as 29 mph.

    High: 35 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 14. West wind 5 to 11 mph, with gusts as high as 22 mph.

    Low: 14 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 42. West wind 5 to 8 mph.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Tonight
Patchy blowing dust. Increasing clouds, with a low around 18. Blustery, with a northwest wind around 29 mph, with gusts as high as 43 mph.
Friday
Mostly cloudy, with a high near 29. Blustery, with a northwest wind 21 to 24 mph, with gusts as high as 34 mph.
Friday Night
Partly cloudy, with a low around 13. West northwest wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.
Saturday
Sunny, with a high near 47. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 26. West wind 10 to 13 mph, with gusts as high as 23 mph.
Sunday
Mostly cloudy, with a high near 35. Northwest wind 14 to 17 mph, with gusts as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 14. West wind 5 to 11 mph, with gusts as high as 22 mph.
M.L.King Day
Mostly sunny, with a high near 42. West wind 5 to 8 mph.
Monday Night
Mostly cloudy, with a low around 24.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 19.
Thursday
A chance of snow. Partly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewistown MTSimilar City Names
 47.07°N 109.43°W (Elev. 3898 ft)
Last Update:
9:47 pm MST Jan 15, 2026
Forecast Valid:
11pm MST Jan 15, 2026-6pm MST Jan 22, 2026
 
Forecast Discussion
 
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