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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Current conditions at

SAWMILL FLATS (MEFW1)

Lat: 46.9675°NLon: 121.08444°WElev: 3000.0ft.

NA

29°F

-2°C

Humidity 99%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 26 Dec 07:25 PM PST
Extended Forecast for

Chinook Pass WA

Winter Weather Advisory December 26, 08:23pm until December 27, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 26, 08:23pm until December 27, 07:00am

    NOW until 7:00am Sat

    Winter Weather Advisory

  • Tonight

    Low: 15 °F

    Heavy Snow

  • Saturday

    Saturday: A 30 percent chance of snow before 7am. Mostly sunny, with a high near 22. Wind chill values as low as zero. West wind 8 to 14 mph, with gusts as high as 33 mph.

    High: 22 °F

    Chance Snow
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 13. West wind around 6 mph.

    Low: 13 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 29. West wind 3 to 6 mph.

    High: 29 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. Southwest wind 6 to 8 mph.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

  • Monday Night

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

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow, mainly before 4am. The snow could be heavy at times. Low around 15. West wind around 21 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.
Saturday
A 30 percent chance of snow before 7am. Mostly sunny, with a high near 22. Wind chill values as low as zero. West wind 8 to 14 mph, with gusts as high as 33 mph.
Saturday Night
Mostly cloudy, with a low around 13. West wind around 6 mph.
Sunday
Mostly sunny, with a high near 29. West wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around 21. Southwest wind 6 to 8 mph.
Monday
Mostly cloudy, with a high near 34.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Mostly cloudy, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
A slight chance of snow after 10am, mixing with rain after 1pm. Mostly cloudy, with a high near 38.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 27.
New Year's Day
A chance of snow. Mostly cloudy, with a high near 34.
Thursday Night
Snow likely. Mostly cloudy, with a low around 25.
Friday
Snow likely. Mostly cloudy, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.86°N 121.5°W (Elev. 5295 ft)
Last Update:
3:20 pm PST Dec 26, 2025
Forecast Valid:
8pm PST Dec 26, 2025-6pm PST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation