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.

Overcast

43°F

6°C

Humidity 60%
Wind Speed WSW 8 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 13 Jan 08:05 PM MST
Extended Forecast for

Lewistown Municipal MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. Southwest wind around 7 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 59. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 59 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. West wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 43. Northwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 20. Northwest wind 18 to 21 mph, with gusts as high as 33 mph.

    Low: 20 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 36. West northwest wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 36 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22. West wind around 8 mph.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 53. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 35. Southwest wind around 7 mph.
Wednesday
Sunny, with a high near 59. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 31. West wind 10 to 14 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 43. Northwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Thursday Night
Mostly clear, with a low around 20. Northwest wind 18 to 21 mph, with gusts as high as 33 mph.
Friday
Mostly sunny, with a high near 36. West northwest wind 10 to 15 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 22. West wind around 8 mph.
Saturday
Sunny, with a high near 53. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Mostly clear, with a low around 22.
M.L.King Day
Mostly sunny, with a high near 48.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
Last Update:
4:08 pm MST Jan 13, 2026
Forecast Valid:
8pm MST Jan 13, 2026-6pm MST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

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