Winter Weather Warnings & Alerts
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🟡 Moderate

Winter Weather Advisory

North Oregon Cascades; Cascades of Marion and Linn Counties

Winter Weather Advisory issued December 17 at 10:44AM PST until December 18 at 10:00AM PST by NWS Portland OR

Alert Description

* WHAT...Wet snow expected. Total snow accumulations up to 6 inches. Winds gusting as high as 40 mph. * WHERE...North Oregon Cascades and Cascades of Marion and Linn Counties. * WHEN...From 4 AM to 10 AM PST Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

Safety Instructions

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. 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. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com.

Time Information

Effective
Dec 18, 2025, 12:00 PM
Expires
Dec 18, 2025, 3:00 PM
Issued
Dec 17, 2025, 6:44 PM

Alert Details

Severity
Moderate
Urgency
Expected
Certainty
Likely
Category
Met

Issued By

NWS Portland OR
National Weather Service

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