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

NCSB (NCSW1)

Lat: 48.42528°NLon: 120.14194°WElev: 1697.0ft.

NA

25°F

-4°C

Humidity 77%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 30 Dec 05:06 PM PST
Extended Forecast for

10 Miles W Twisp WA

Air Stagnation Advisory until January 1, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory until January 1, 12:00pm

    NOW until 12:00pm Thu

    Air Stagnation Advisory

  • This Afternoon

    High: 26 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 33. Calm wind.

    High: 33 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 34. Calm wind.

    High: 34 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after 10pm. Mostly cloudy, with a low around 23. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow

  • Friday

    Friday: Snow likely before 4pm, then rain and snow. High near 32. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow Likely
    then
    Rain/Snow

  • Friday Night

    Friday Night: Rain and snow. Low around 28. Chance of precipitation is 80%.

    Low: 28 °F

    Rain/Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a steady temperature around 26. Calm wind.
Tonight
Mostly cloudy, with a low around 21. Calm wind.
Wednesday
Mostly sunny, with a high near 33. Calm wind.
Wednesday Night
Partly cloudy, with a low around 22. Calm wind.
New Year's Day
Partly sunny, with a high near 34. Calm wind.
Thursday Night
A 30 percent chance of snow after 10pm. Mostly cloudy, with a low around 23. New snow accumulation of less than a half inch possible.
Friday
Snow likely before 4pm, then rain and snow. High near 32. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
Rain and snow. Low around 28. Chance of precipitation is 80%.
Saturday
Rain, possibly mixed with snow. High near 36. Chance of precipitation is 80%.
Saturday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 36.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 25.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 35.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25.
Tuesday
A 30 percent chance of snow. Partly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W Twisp WA
 48.37°N 120.35°W (Elev. 3799 ft)
Last Update:
3:27 pm PST Dec 30, 2025
Forecast Valid:
5pm PST Dec 30, 2025-6pm PST 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