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

Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Northeast; Heavy Rain Returns to California

An Alberta clipper will bring lake effect snow downwind of the Great Lakes, with the highest snow totals downwind of Lakes Erie and Ontario. Snow squalls may impact New Year's Eve travel during the evening and overnight hours across parts of the Great Lakes, Ohio Valley, and Northeast. Heavy rain will bring a flash flooding threat for southern California on New Year's Eve into New Year's Day. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

34°F

1°C

Humidity 59%
Wind Speed SW 4 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 30 Dec 07:35 PM MST
Extended Forecast for

5 Miles NNE Moore MT

  • Tonight

    Tonight: Partly cloudy, with a low around 28. South southwest wind 8 to 11 mph.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 54. South wind 5 to 7 mph.

    High: 54 °F

    Sunny

  • Wednesday Night

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

    Low: 28 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 48. Southwest wind around 5 mph becoming calm in the morning.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 29. South wind 5 to 7 mph.

    Low: 29 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 51. South southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 51 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34. South wind 9 to 11 mph.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 54. South southwest wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 54 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 28. South southwest wind 8 to 11 mph.
Wednesday
Sunny, with a high near 54. South wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 28. South southwest wind 6 to 8 mph.
New Year's Day
Mostly sunny, with a high near 48. Southwest wind around 5 mph becoming calm in the morning.
Thursday Night
Mostly cloudy, with a low around 29. South wind 5 to 7 mph.
Friday
Mostly cloudy, with a high near 51. South southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 34. South wind 9 to 11 mph.
Saturday
Partly sunny, with a high near 54. South southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Moore MT
 47.03°N 109.64°W (Elev. 4052 ft)
Last Update:
7:24 pm MST Dec 30, 2025
Forecast Valid:
7pm MST Dec 30, 2025-6pm MST Jan 6, 2026
 
Forecast Discussion
 
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