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.

Clear

64°F

18°C

Humidity 22%
Wind Speed W 17 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 05 Feb 11:35 AM MST
Extended Forecast for

Lewistown MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 67. Northwest wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Calm wind becoming southeast around 5 mph after midnight.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 64. East southeast wind around 6 mph becoming south in the afternoon.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 37. Southwest wind around 7 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 63. West southwest wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38. West southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 59. West southwest wind 10 to 13 mph, with gusts as high as 24 mph.

    High: 59 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A slight chance of rain after 11pm. Cloudy, with a low around 35. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 35 °F

    Slight Chance
    Rain

  • Monday

    Monday: A chance of rain and snow. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 67. Northwest wind 8 to 13 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 32. Calm wind becoming southeast around 5 mph after midnight.
Friday
Sunny, with a high near 64. East southeast wind around 6 mph becoming south in the afternoon.
Friday Night
Increasing clouds, with a low around 37. Southwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 63. West southwest wind 7 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 38. West southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 59. West southwest wind 10 to 13 mph, with gusts as high as 24 mph.
Sunday Night
A slight chance of rain after 11pm. Cloudy, with a low around 35. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 48.
Monday Night
A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 11pm. Partly cloudy, with a low around 24.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 42.
Tuesday Night
A slight chance of snow. Partly cloudy, with a low around 22.
Wednesday
A slight chance of snow. Mostly sunny, with a high near 41.
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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:
9:57 am MST Feb 5, 2026
Forecast Valid:
12pm MST Feb 5, 2026-6pm MST Feb 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation