Winter Weather Advisory
Status
Event Continued ExpiredStart Time
Fri 03/21/2025 04:11 PM EDTEnd Time
Sat 03/22/2025 08:00 AM EDTSignificance
AdvisoryImpacts
Moderate impact
Locations Affected
Koch Mountain, OR ∙ Mount Defiance, OR ∙ Mount Saint Helens, WA ∙ Bear Mountain, OR ∙ Timothy Lake, OR ∙ Little Huckleberry Mountain, WA ∙ Fish Creek Mountain, OR ∙ Mount Hood National Forest, OR ∙ McCredie Springs, OR ∙ Zigzag Mountain, ORFull Alert Message
URGENT - WINTER WEATHER MESSAGE National Weather Service Portland OR 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
Technical Header
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