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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Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Mostly Cloudy

18°F

-8°C

Humidity 72%
Wind Speed SW 9 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 09 Jan 07:05 AM MST
Extended Forecast for

Lewistown Municipal MT

  • Today

    Today: Partly sunny, with a high near 37. West wind 13 to 18 mph, with gusts as high as 30 mph.

    High: 37 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. West wind 11 to 15 mph, with gusts as high as 26 mph.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 48. West wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32. West southwest wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53. West southwest wind 14 to 16 mph, with gusts as high as 28 mph.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38. West southwest wind around 14 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 56. Breezy, with a west wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 56 °F

    Partly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. Breezy, with a west wind 18 to 23 mph, with gusts as high as 36 mph.

    Low: 39 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 37. West wind 13 to 18 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 25. West wind 11 to 15 mph, with gusts as high as 26 mph.
Saturday
Mostly sunny, with a high near 48. West wind 9 to 14 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 32. West southwest wind 11 to 13 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 53. West southwest wind 14 to 16 mph, with gusts as high as 28 mph.
Sunday Night
Mostly cloudy, with a low around 38. West southwest wind around 14 mph, with gusts as high as 25 mph.
Monday
Partly sunny, with a high near 56. Breezy, with a west wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 38 mph.
Monday Night
Mostly cloudy, with a low around 39. Breezy, with a west wind 18 to 23 mph, with gusts as high as 36 mph.
Tuesday
Mostly cloudy, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 32.
Thursday
A slight chance of rain and snow. Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
Last Update:
3:17 am MST Jan 9, 2026
Forecast Valid:
7am MST Jan 9, 2026-6pm MST Jan 15, 2026
 
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Additional Resources

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Chance of Precipitation