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Winter Weather Advisory


URGENT - WINTER WEATHER MESSAGE
National Weather Service Seattle WA
542 AM PST Wed Nov 5 2025

WAZ301-052145-
/O.EXT.KSEW.WW.Y.0019.251105T1400Z-251107T1800Z/
Cascades of Whatcom and Skagit Counties-
Including Mount Baker
542 AM PST Wed Nov 5 2025

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM PST FRIDAY...

* WHAT...Snow is likely. Total snow accumulations between 6 to 12
  inches are expected along the Cascade crest and highest points of
  Highway 20.

* WHERE...Cascades of Whatcom and Skagit Counties.

* WHEN...Until 10 AM PST Friday.

* IMPACTS...Travel could be very difficult. The hazardous conditions
  could impact travelers along Highway 20 from Wednesday evening
  through Thursday morning, as well as Thursday night.

* ADDITIONAL DETAILS...Higher snowfall amounts are likely in and
  around Mount Baker between 8 to 10 inches through Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Prepare for possible
power outages.

&&

$$

41

URGENT - WINTER WEATHER MESSAGE
National Weather Service Spokane WA
530 AM PST Wed Nov 5 2025

WAZ049-060230-
/O.EXT.KOTX.WW.Y.0028.251105T1330Z-251107T1800Z/
Western Okanogan County-
530 AM PST Wed Nov 5 2025

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM PST FRIDAY
ABOVE 4000 FEET...

* WHAT...Snow Above 4000 feet. Additional snow accumulations of 2 to
  6 inches Wednesday and then an additional 7 to 15 inches Wednesday
  night through Friday morning. Highest amounts near the crest and
  Washington Pass.

* WHERE...Western Okanogan County County.

* WHEN...Until 10 AM PST Friday.

* IMPACTS...Winter travel conditions along Highway 20 over
  Washington Pass.

* ADDITIONAL DETAILS...Light snow is expected Wednesday through
  Thursday. Periods of higher snow intensities are expected
  Wednesday night and Thursday night with rates near one inch per
  hour. Heaviest snow is expected Thursday evening.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. For the latest travel
information in Washington, go to https://wsdot.wa.gov/travel

&&

$$

SVH

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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