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Pacific Storm Moves Inland; Clipper System for the Northeast; Strong Storm Impacting Alaska

A Pacific system will bring low elevation rain and isolated thunderstorms to California tonight. Heavy snow is expected for the Sierra Nevada through late tomorrow. In the Northeast, snow may cause hazardous travel this evening into tomorrow. In Alaska, a powerful storm will bring dangerous seas, blizzard conditions, strong winds and bitterly cold across the state through mid-week. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

23°F

-5°C

Humidity 79%
Wind Speed S 8 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 10 Feb 06:20 PM MST
Extended Forecast for

Lewistown Municipal MT

  • Tonight

    Tonight: Partly cloudy, with a low around 19. Southeast wind 6 to 8 mph.

    Low: 19 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43. South southeast wind around 6 mph becoming calm in the morning.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 20. Calm wind becoming south around 6 mph in the evening.

    Low: 20 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 47. West wind around 6 mph.

    High: 47 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. Southwest wind 6 to 8 mph.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 46. Southwest wind 6 to 8 mph.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26. Southwest wind 5 to 7 mph.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 44. Southwest wind around 7 mph.

    High: 44 °F

    Partly Sunny

  • Saturday Night

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

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 19. Southeast wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 43. South southeast wind around 6 mph becoming calm in the morning.
Wednesday Night
Mostly clear, with a low around 20. Calm wind becoming south around 6 mph in the evening.
Thursday
Sunny, with a high near 47. West wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 24. Southwest wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 46. Southwest wind 6 to 8 mph.
Friday Night
Mostly cloudy, with a low around 26. Southwest wind 5 to 7 mph.
Saturday
Partly sunny, with a high near 44. Southwest wind around 7 mph.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
A slight chance of snow before 2pm, then a slight chance of rain and snow. Mostly cloudy, with a high near 45.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 25.
Washington's Birthday
A slight chance of rain and snow. Partly sunny, with a high near 48.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 24.
Tuesday
A chance of snow. Mostly cloudy, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewistown Municipal MT
 47.04°N 109.45°W (Elev. 4111 ft)
Last Update:
3:33 pm MST Feb 10, 2026
Forecast Valid:
6pm MST Feb 10, 2026-6pm MST Feb 17, 2026
 
Forecast Discussion
 
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Additional Resources

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