Freezing rain will develop later tonight in parts of the Pacific Northwest, causing travel problems and could create power outages. Abundant moisture coupled with strong east winds, driving in low level cold air, will create the icy situation.
— NWS Pendleton (@NWSPendleton) February 14, 2017
Ice Storm Warning in The Gorge. E. of Multnomah Falls expect to see Frz Ra, up to 0.5” to 1” Ice Accum. Heaviest Ice Accum near Hood River. pic.twitter.com/Pq1gtWzEGn
— NWS Portland (@NWSPortland) February 14, 2017
An Ice Storm Warning has been issued along the Washington – Oregon border, including areas near I-84 east of Portland and west of The Dalles. Significant ice accumulations are expected in the Columbia River Gorge and the Hood Valley later tonight into Wednesday, possibly as high as a half inch to an inch. A Freezing Rain Advisory continues for parts of Central and Eastern Washington.
Temperatures today have been very slow to warm, stuck in the 30s in several areas under the ice alerts. Readings will fall slightly tonight, creating the icy conditions once the moisture arrives.
Tomorrow morning most readings stuck in the 30s with temperatures slow to climb. In the low elevations and river valleys, readings will likely stay below freezing, creating the icy mess. By tomorrow night, most areas will rise above freezing with rain falling and snow in the highest elevations.
Rainfall totals will be heavy across the region through Friday, with some areas seeing a few inches. Flood Watches have been issued for several areas across the West. The highest mountain peaks could see significant snow, with several feet possible by the weekend. Winter Storm Watches and warnings will likely be issued once again later this week for the mountain ranges.
For WeatherNation: Meteorologist Mace Michaels