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.

Partly Cloudy

59°F

15°C

Humidity 21%
Wind Speed WNW 19 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 07 Feb 01:20 PM MST
Extended Forecast for

Lewistown Municipal MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 60. West wind around 16 mph, with gusts as high as 25 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 39. West southwest wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 39 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 20 percent chance of rain after 4pm. Mostly cloudy, with a high near 57. Southwest wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 57 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely before 10pm, then snow, possibly mixed with rain. Low around 30. Northwest wind 6 to 8 mph becoming southeast in the evening. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow

  • Monday

    Monday: Rain and snow likely, becoming all snow after 8am. Mostly cloudy, with a high near 40. West wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Monday Night

    Monday Night: A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 21. West southwest wind 7 to 10 mph.

    Low: 21 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 41. West wind around 7 mph.

    High: 41 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21. North northeast wind around 6 mph becoming south after midnight.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 60. West wind around 16 mph, with gusts as high as 25 mph.
Tonight
Increasing clouds, with a low around 39. West southwest wind 11 to 14 mph, with gusts as high as 22 mph.
Sunday
A 20 percent chance of rain after 4pm. Mostly cloudy, with a high near 57. Southwest wind 11 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Rain likely before 10pm, then snow, possibly mixed with rain. Low around 30. Northwest wind 6 to 8 mph becoming southeast in the evening. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
Rain and snow likely, becoming all snow after 8am. Mostly cloudy, with a high near 40. West wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 21. West southwest wind 7 to 10 mph.
Tuesday
Sunny, with a high near 41. West wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 21. North northeast wind around 6 mph becoming south after midnight.
Wednesday
Sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 22.
Thursday
Sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 47.
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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:
1:32 pm MST Feb 7, 2026
Forecast Valid:
1pm MST Feb 7, 2026-6pm MST Feb 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation