National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

A Wintry Mix in the Northeast; Rain and High Elevation Snow Returns to California

A clipper system tracking across the U.S./Canadian border will bring snowfall and mixed precipitation across the Northeast. A modest atmospheric river associated with a Pacific system will bring lower elevation/coastal rain, high elevation snow/wintry mix, and gusty winds in California into the Intermountain West. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.

Clear

21°F

-6°C

Humidity 92%
Wind Speed SW 13 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 10 Feb 03:35 AM MST
Extended Forecast for

Lewistown Municipal MT

  • Overnight

    Overnight: A 20 percent chance of snow. Partly cloudy, with a low around 19. Southwest wind around 7 mph.

    Low: 19 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: Sunny, with a high near 41. South southwest wind 5 to 7 mph.

    High: 41 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20. Southeast wind around 7 mph.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41. South southeast wind around 6 mph becoming calm in the morning.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 19. Calm wind becoming south southwest around 6 mph in the evening.

    Low: 19 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 45. South southwest wind around 6 mph.

    High: 45 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. South southwest wind 5 to 8 mph.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 45. West wind 6 to 8 mph.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow. Partly cloudy, with a low around 19. Southwest wind around 7 mph.
Tuesday
Sunny, with a high near 41. South southwest wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 20. Southeast wind around 7 mph.
Wednesday
Mostly sunny, with a high near 41. South southeast wind around 6 mph becoming calm in the morning.
Wednesday Night
Mostly clear, with a low around 19. Calm wind becoming south southwest around 6 mph in the evening.
Thursday
Sunny, with a high near 45. South southwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 23. South southwest wind 5 to 8 mph.
Friday
Mostly sunny, with a high near 45. West wind 6 to 8 mph.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 43.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 25.
Sunday
A slight chance of snow. Mostly cloudy, with a high near 41.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 20.
Washington's Birthday
A chance of snow. Partly sunny, with a high near 41.
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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:
3:37 am MST Feb 10, 2026
Forecast Valid:
3am MST Feb 10, 2026-6pm MST Feb 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation