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

61°F

16°C

Humidity 30%
Wind Speed WNW 19 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 04 Feb 01:54 PM MST
Extended Forecast for

Lewistown Municipal MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 61. West northwest wind 14 to 20 mph, with gusts as high as 29 mph.

    High: 61 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 68. South southwest wind 7 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. West wind around 6 mph becoming south southeast after midnight.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 63. South wind around 6 mph.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. West southwest wind 7 to 10 mph.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 60. West southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38. West southwest wind around 11 mph, with gusts as high as 21 mph.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 61. West northwest wind 14 to 20 mph, with gusts as high as 29 mph.
Tonight
Partly cloudy, with a low around 39. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 68. South southwest wind 7 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 32. West wind around 6 mph becoming south southeast after midnight.
Friday
Sunny, with a high near 63. South wind around 6 mph.
Friday Night
Partly cloudy, with a low around 37. West southwest wind 7 to 10 mph.
Saturday
Mostly sunny, with a high near 60. West southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Mostly cloudy, with a low around 38. West southwest wind around 11 mph, with gusts as high as 21 mph.
Sunday
Partly sunny, with a high near 59.
Sunday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 35.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 48.
Monday Night
A chance of rain and snow. Partly cloudy, with a low around 25.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 42.
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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:
1:53 pm MST Feb 4, 2026
Forecast Valid:
2pm MST Feb 4, 2026-6pm MST Feb 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation