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

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Hazardous Weather Conditions

Current conditions at

NCSB (NCSW1)

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

NA

22°F

-6°C

Humidity 70%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Last update 29 Dec 12:06 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: 27 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 17. Calm wind.

    Low: 17 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 30. Calm wind.

    High: 30 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34. Calm wind.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 10 percent chance of snow after 4pm. Mostly cloudy, with a high near 33.

    High: 33 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow

Detailed Forecast

This Afternoon
Partly sunny, with a high near 27. Calm wind.
Tonight
Mostly cloudy, with a low around 17. Calm wind.
Tuesday
Partly sunny, with a high near 30. Calm wind.
Tuesday Night
Partly cloudy, with a low around 18. Calm wind.
Wednesday
Mostly sunny, with a high near 34. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 22.
New Year's Day
A 10 percent chance of snow after 4pm. Mostly cloudy, with a high near 33.
Thursday Night
A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 22.
Friday
Snow likely before 1pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 31. Chance of precipitation is 70%.
Friday Night
Snow likely, possibly mixed with rain, becoming all snow after 7pm. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Saturday
Snow likely. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 21.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 32.
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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:
11:53 am PST Dec 29, 2025
Forecast Valid:
1pm PST Dec 29, 2025-6pm PST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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