...WINTER STORM WARNING NOW IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * WHAT...Significant icing. Additional ice accumulation around one tenth of an inch above 2500 feet, and one tenth to three tenths of an inch below 2000 feet. * WHERE...In Oregon, Lower Columbia and Central Willamette Valley. In Washington, Willapa Hills and I-5 Corridor in Cowlitz County. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Power outages and tree damage are likely due to the ice. Travel will be difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Prepare for possible power outages. For the latest road conditions call 5 1 1, or visit for Oregon: https://www.tripcheck.com and for Washington: https://wsdot.com/travel/real-time/map