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 >

Hazardous Weather Conditions

Current conditions at

WEST FORK (WSFM8)

Lat: 45.81556°NLon: 114.25833°WElev: 4420.0ft.

NA

29°F

-2°C

Humidity 73%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 31 Dec 12:14 AM MST
Extended Forecast for

31 Miles W Darby MT

Air Stagnation Advisory until January 1, 01:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory until January 1, 01:00pm

    NOW until 1:00pm Thu

    Air Stagnation Advisory

  • Overnight

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44. Calm wind.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: A 20 percent chance of rain after 11am. Snow level 3900 feet rising to 5600 feet in the afternoon. Mostly cloudy, with a high near 43. Calm wind.

    High: 43 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain, mainly after 11pm. Cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Chance Rain

  • Friday

    Friday: Rain, mainly before 11am. High near 45. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Rain then
    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 46.

    High: 46 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 29. Calm wind.
Wednesday
Mostly sunny, with a high near 44. Calm wind.
Wednesday Night
Partly cloudy, with a low around 29. Calm wind.
New Year's Day
A 20 percent chance of rain after 11am. Snow level 3900 feet rising to 5600 feet in the afternoon. Mostly cloudy, with a high near 43. Calm wind.
Thursday Night
A 50 percent chance of rain, mainly after 11pm. Cloudy, with a low around 37. Calm wind.
Friday
Rain, mainly before 11am. High near 45. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 46.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 35.
Sunday
Rain and snow likely. Snow level 4500 feet rising to 5100 feet in the afternoon. Mostly cloudy, with a high near 43.
Sunday Night
Rain and snow likely. Snow level 5100 feet lowering to 4100 feet after midnight . Mostly cloudy, with a low around 32.
Monday
Rain and snow likely. Snow level rising to 4500 feet in the afternoon. Mostly cloudy, with a high near 42.
Monday Night
A chance of rain and snow. Snow level 4500 feet lowering to 3700 feet after midnight . Mostly cloudy, with a low around 32.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
31 Miles W Darby MT
 46°N 114.81°W (Elev. 3717 ft)
Last Update:
1:02 am MST Dec 31, 2025
Forecast Valid:
1am MST Dec 31, 2025-6pm MST Jan 6, 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