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

42°F

6°C

Humidity 54%
Wind Speed WNW 20 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 31 Jan 08:54 AM MST
Extended Forecast for

Lewistown Municipal MT

  • Today

    Today: Sunny, with a high near 52. West northwest wind 10 to 18 mph, with gusts as high as 31 mph.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. Southwest wind around 7 mph.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 58. South southwest wind 6 to 9 mph.

    High: 58 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 32 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 49. West northwest wind 14 to 20 mph, with gusts as high as 31 mph.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. West wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 49. Northwest wind 10 to 13 mph, with gusts as high as 24 mph.

    High: 49 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. West northwest wind around 7 mph becoming south southwest after midnight.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 52. West northwest wind 10 to 18 mph, with gusts as high as 31 mph.
Tonight
Mostly cloudy, with a low around 31. Southwest wind around 7 mph.
Sunday
Partly sunny, with a high near 58. South southwest wind 6 to 9 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West wind 9 to 11 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 49. West northwest wind 14 to 20 mph, with gusts as high as 31 mph.
Monday Night
Mostly cloudy, with a low around 29. West wind 9 to 13 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 49. Northwest wind 10 to 13 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 30. West northwest wind around 7 mph becoming south southwest after midnight.
Wednesday
Partly sunny, with a high near 59.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 56.
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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:
7:57 am MST Jan 31, 2026
Forecast Valid:
9am MST Jan 31, 2026-6pm MST Feb 6, 2026
 
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