The National Weather Service has issued a Winter Storm Warning & Winter Weather Advisory for Washington. It is in effect until 4:00am Wednesday Morning. This storm will be a warmer one, which will impact snow accumulations greatly. The higher the elevation, the higher the snow accumulation.
Up To 3 FEET of Snow In The Mountains Through Wednesday Morning In Washington.
NOAA Has Issued A Winter Storm Warning For:
Accumulations are expected to be impacted greatly by elevation and the snow level is expected to hover around 3,000ft.
Additional Storm Info:
Washington: Up To 3 FEET of Snow In The Mountains Through Wednesday Morning
* Mountain accumulations up to 3 feet, are expected. - NOAA Spokane, WA
WA Winter Storm Warning:
URGENT - WINTER WEATHER MESSAGE National Weather Service Spokane WA 111 PM PST Mon Dec 18 2017 ...HEAVY SNOW TONIGHT AND TUESDAY... .Heavy snow accumulations will occur over portions of north central and northeast Washington as well as north Idaho tonight into Tuesday. Temperatures in the lower to mid 30s around Leavenworth, Brewster, Omak, Springdale, Deer Park, and Sandpoint will make this a difficult forecast. Precipitation in these communities may periodically be a mix of rain and snow limiting lowland accumulations. For the mountains, this storm will produce a couple feet of accumulation tonight through Wednesday morning. East Slopes Northern Cascades- Including the following locations Mazama, Twisp, Winthrop, Stehekin, Conconully, Blewett Pass, and Loup Loup Pass ...WINTER STORM WARNING REMAINS IN EFFECT TO 4 AM PST WEDNESDAY... * WHAT...Heavy snow expected. Travel will be very difficult to impossible, especially approaching the crest. Total snow accumulations of 3 to 6 inches around Leavenworth and Plain, 5 to 10 inches in the Methow Valley, a foot or more around Stehekin. Mountain accumulations up to 3 feet, are expected. * WHERE...Leavenworth, Mazama, Twisp, Winthrop, Stehekin, Conconully, Blewett Pass, and Loup Loup Pass. * WHEN...4 PM today to 4 AM Wednesday. * ADDITIONAL DETAILS...Elevation will likely influence snow accumulations considerably. Temperatures in the low to mid 30s may limit lowland accumulations for the lower Methow Valley.