LAKE OSWEGO, Ore. (AP) — A winter storm has blanketed the Pacific Northwest with ice and snow, leaving hundreds of thousands of people without power and prompting Oregon Gov. Kate Brown to declare a state of emergency. Freezing rain left roads, power lines and trees coated in ice in the Portland, Oregon, region. By Saturday morning, more than 1,200 power lines were down, leaving 270,000 people without power. Snow was expected to continue falling in Washington, Oregon and Idaho on Saturday, with more wet weather expected Sunday night. Meanwhile, Montana and Wyoming were blasted with artic cold, the wind chill reaching as low as 50 degrees below zero in some areas.