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

32°F

0°C

Humidity 65%
Wind Speed S 8 MPH
Barometer 30.42 in (1030.14 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 03 Feb 07:54 PM MST
Extended Forecast for

Lewistown Municipal MT

  • Tonight

    Tonight: Partly cloudy, with a low around 28. South wind 6 to 8 mph.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62. South southwest wind 9 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 67. Southwest wind 7 to 9 mph becoming west northwest in the afternoon.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. Northwest wind around 6 mph becoming south after midnight.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65. South wind around 6 mph becoming west southwest in the afternoon.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. West southwest wind 6 to 8 mph.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59. West northwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 28. South wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 62. South southwest wind 9 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 40. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 67. Southwest wind 7 to 9 mph becoming west northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 34. Northwest wind around 6 mph becoming south after midnight.
Friday
Sunny, with a high near 65. South wind around 6 mph becoming west southwest in the afternoon.
Friday Night
Partly cloudy, with a low around 37. West southwest wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 59. West northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
A slight chance of rain and snow. Mostly cloudy, with a high near 45.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 24.
Tuesday
A slight chance of snow. Partly sunny, with a high near 39.
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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:
4:27 pm MST Feb 3, 2026
Forecast Valid:
8pm MST Feb 3, 2026-6pm MST Feb 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation