Heavy Mountain Snow in the Northwest U.S.; Wintry Mix North-Central to Northeast U.S.

Two cold fronts will pass through the Northwest U.S. this week with the main impact being heavy mountain snow across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain to the Upper Midwest and Great Lakes overnight into Tuesday then the Northeast U.S. Tuesday night into Wednesday. Read More >

Current conditions at

SAWMILL FLATS (MEFW1)

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

NA

30°F

-1°C

Humidity 96%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 05 Jan 07:25 PM PST
Extended Forecast for

5 Miles ENE Chinook Pass WA

Winter Storm Warning January 6, 04:00am until January 8, 04:00pm
Click here for hazard details and duration
Winter Storm Warning
  • Tonight

    Tonight: A 30 percent chance of snow after 4am.  Mostly cloudy, with a low around 21. Southwest wind around 7 mph, with gusts as high as 18 mph.

    Low: 21 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: Snow, mainly after 7am. The snow could be heavy at times.  High near 33. Southwest wind 10 to 13 mph, with gusts as high as 32 mph.  Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    High: 33 °F

    Heavy Snow

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times.  Low around 23. West wind around 14 mph, with gusts as high as 36 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 23 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times.  High near 30. West wind 8 to 10 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 30 °F

    Heavy Snow

  • Wednesday Night

    Wednesday Night: Snow.  Low around 22. West wind 10 to 13 mph, with gusts as high as 33 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 22 °F

    Snow

  • Thursday

    Thursday: Snow.  High near 30. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 30 °F

    Snow

  • Thursday Night

    Thursday Night: Snow likely.  Mostly cloudy, with a low around 25. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 25 °F

    Snow Likely

  • Friday

    Friday: Snow likely, mainly before 10am.  Partly sunny, with a high near 36. Chance of precipitation is 60%.

    High: 36 °F

    Snow Likely

  • Friday Night

    Friday Night: A 20 percent chance of snow before 10pm.  Mostly cloudy, with a low around 25.

    Low: 25 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of snow after 4am. Mostly cloudy, with a low around 21. Southwest wind around 7 mph, with gusts as high as 18 mph.
Tuesday
Snow, mainly after 7am. The snow could be heavy at times. High near 33. Southwest wind 10 to 13 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Low around 23. West wind around 14 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 30. West wind 8 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Wednesday Night
Snow. Low around 22. West wind 10 to 13 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. High near 30. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow likely. Mostly cloudy, with a low around 25. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Friday
Snow likely, mainly before 10am. Partly sunny, with a high near 36. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of snow before 10pm. Mostly cloudy, with a low around 25.
Saturday
A slight chance of snow after 10am, mixing with rain after 1pm. Partly sunny, with a high near 40.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 27.
Sunday
A slight chance of snow. Partly sunny, with a high near 40.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Chinook Pass WA
 46.91°N 121.42°W (Elev. 4190 ft)
7:12 pm PST Jan 5, 2026
8pm PST Jan 5, 2026-6pm PST Jan 12, 2026
 
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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