Winter Weather Advisories are in effect for the Washington Cascades from 5 PM Tuesday to 5 PM PDT Wednesday, with up to 12 inches of snow possible on the highest slopes.
Advisories were issued by NWS Seattle, NWS Pendleton and NWS Spokane. Travel over the passes could be difficult.
Western Cascades: NWS Seattle
Whatcom and Skagit Cascades and Snohomish and Northern King Cascades (including Mount Baker and Stevens Pass): 4 to 8 inches, heaviest above 4,000 feet.
Southern King Cascades (including Greenwater, Tiger Mountain Summit and Snoqualmie Pass): 4 to 8 inches above 4,000 feet, but only 1 to 3 inches at Snoqualmie Pass. Snow may mix with rain at times.
Pierce and Lewis Cascades (including Mount Rainier, Longmire, Ashford, White Pass, Crystal Mountain and Paradise): 6 to 12 inches, heaviest above 4,000 feet.
Eastern Cascades: NWS Pendleton and NWS Spokane
Upper slopes of the Eastern Washington Cascades crest (including Roslyn and Easton): 3 to 7 inches above 4,000 feet, with winds gusting to 35 mph.
Western Chelan and Western Okanogan Counties (including Holden Village, Loup Loup Pass, Stevens Pass and Washington Pass): 2 to 8 inches above 3,000 feet, highest along the crest.
The snow level starts near 4,000 feet Tuesday evening and falls to 2,500 to 3,000 feet Wednesday morning.
Travel Impacts and Advice
Roads, bridges and overpasses could become slick and hazardous, especially overnight and early Wednesday.
Slow down, allow extra time and carry chains. Call 511 or check WSDOT pass conditions before you go.
Full details are on weather.gov/sew, weather.gov/pdt and weather.gov/otx.
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