Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Seattle WA
222 PM PDT Fri Mar 21 2025
WAZ328-221200-
/O.CON.KSEW.WW.Y.0013.000000T0000Z-250322T1200Z/
Olympics-
Including Hurricane Ridge
222 PM PDT Fri Mar 21 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT
SATURDAY...
* WHAT...Snow. Additional snow accumulations of 2 to 6 inches.
* WHERE...Olympics.
* WHEN...Until 5 AM PDT Saturday.
* IMPACTS...Roads, especially bridges and overpasses, will likely
become slick and hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. Prepare for possible
power outages.
&&
$$
JD
URGENT - WINTER WEATHER MESSAGE
National Weather Service Seattle WA
222 PM PDT Fri Mar 21 2025
WAZ303-304-221200-
/O.CON.KSEW.WW.Y.0013.000000T0000Z-250322T1200Z/
Cascades of Southern King County-Cascades of Pierce and Lewis
Counties-
Including Greenwater, Paradise, Ashford, Longmire, Crystal
Mountain, White Pass, SR18 at Tiger Mountain Summit, Mount
Rainier, and Snoqualmie Pass
222 PM PDT Fri Mar 21 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT
SATURDAY...
* WHAT...Snow. Additional snow accumulations of 4 to 10 inches.
* WHERE...Cascades of Pierce and Lewis Counties and Cascades of
Southern King County.
* WHEN...Until 5 AM PDT Saturday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be prepared for slippery roads. Slow down and use caution while
driving. If you are going outside, watch your first few steps taken
on stairs, sidewalks, and driveways. These surfaces could be icy and
slippery, increasing your risk of a fall and injury.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Pendleton OR
832 PM PDT Fri Mar 21 2025
WAZ522-221200-
/O.CON.KPDT.WW.Y.0021.000000T0000Z-250322T1200Z/
Upper Slopes of the Eastern Washington Cascades Crest-
Including the cities of Easton and Roslyn
832 PM PDT Fri Mar 21 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY
ABOVE 2500 FEET...
* WHAT...Snow above 2500 feet. Additional snow accumulations between
2 and 5 inches. Winds gusting as high as 45 mph.
* WHERE...Upper Slopes of the Eastern Washington Cascades Crest.
* WHEN...Until 5 AM PDT Saturday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow. Gusty winds could bring down tree branches.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions can be obtained by visiting the website
wsdot.wa.gov/travel.
&&
$$
BL
URGENT - WINTER WEATHER MESSAGE
National Weather Service Portland OR
111 PM PDT Fri Mar 21 2025
ORZ126>128-WAZ211-221200-
/O.CON.KPQR.WW.Y.0017.000000T0000Z-250322T1200Z/
North Oregon Cascades-Cascades of Marion and Linn Counties-
Cascades of Lane County-South Washington Cascades-
Including the cities of Willamette Pass, Timothy Lake, Santiam
Pass, Tombstone Summit, Government Camp, Indian Heaven
Wilderness, McKenzie Pass, Mt. St. Helens, Waldo Lake, Lost Lake,
Breitenbush Springs, Bennett Pass, Santiam Junction, and Larch
Mountain
111 PM PDT Fri Mar 21 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY
ABOVE 4000 FEET...
* WHAT...Wet snow above 4000 feet. Additional snow accumulations of
4 to 8 inches. Winds gusting as high as 35 mph.
* WHERE...South Washington Cascades and the Northern and Central
Cascades of Oregon.
* WHEN...Until 5 AM PDT Saturday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* ADDITIONAL DETAILS...Lowering snow levels and cooling temperatures
Friday evening and Friday night will result in deteriorating
travel conditions across the Cascade passes tonight.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Have a winter emergency driving kit readily available. Common items
to include: flashlight, batteries, blankets, a shovel, water,
non-perishable food items, tire chains, etc.
Be aware that walking surfaces may be slick. Walk with extra care.
For the latest road conditions and chain restrictions in Oregon,
call 5 1 1, or visit: www.tripcheck.com.
For the latest road conditions and chain restrictions in Washington,
visit: wsdot.com/travel/real-time/map
&&
$$
For more information from the National Weather Service visit
www.weather.gov/portland
