The National Weather Service has issued Winter Storm Warnings and Winter Weather Advisories for Washington. It’s in effect until Thursday Evening. Heavy snowfall is expected to hit the mountains, with light-to-moderate precipitation impacting the valleys.
Mountain Accumulations Of Up To 25″ Today – Thursday
Heavy snowfall is expected to occur in the mountains, but light-to-moderate snowfall is forecasted to occur above 2,000ft.
Additional Storm Info:
Washington: Mountain Accumulations Of Up To 25″ Today – Thursday
* Total snow accumulations of 6 to 10 inches, with mountain accumulations up to 25 inches, are expected. - NOAA Spokane, WA
WA Winter Storm Warning:
URGENT - WINTER WEATHER MESSAGE National Weather Service Spokane WA 329 AM PST Wed Feb 28 2018 ...Winter Storm to bring Heavy Mountain Snow and Locally Heavy Valley Accumulations Tonight and Thursday... .A slow moving low pressure system will bring several rounds of heavy mountain snow beginning this afternoon and lasting through Thursday. Motorists with plans to travel over the Cascade Passes or over Sherman Pass in north central Washington will experience winter driving conditions. The valleys of the East Slopes of the Cascades, northeast Washington, and the north Idaho Panhandle will have the potential for wet and locally heavy snow accumulations, possibly mixed with some rain on Thursday. Lowland accumulations may vary considerably with marginal temperatures leading to snow accumulating much more efficiently in some areas than others. East Slopes Northern Cascades- Including the following locations Leavenworth, Mazama, Twisp, Winthrop, Stehekin, Conconully, Blewett Pass, and Loup Loup Pass ...WINTER STORM WARNING IN EFFECT FROM 10 AM THIS MORNING TO 10 PM PST THURSDAY... * WHAT...Heavy snow expected. Total snow accumulations of 6 to 10 inches, with mountain accumulations up to 25 inches, are expected. * WHERE...Leavenworth, Mazama, Twisp, Winthrop, Stehekin, Conconully, Blewett Pass, and Loup Loup Pass. * WHEN...From 10 AM this morning to 10 PM PST Thursday. * ADDITIONAL DETAILS...Plan on difficult travel conditions. Be prepared for significant reductions in visibility at times.