NOAA has issued a Winter Storm Warning for Washington that is calling for 1-3 feet of snow tonight and tomorrow.

Snow levels will be good with this storm at between 2,500-3,500′.

“1 to 2 feet of snow expected for the Olympic & Cascade Mountains from this afternoon through Tuesday evening. Local amounts up to 3 feet possible in parts of the Cascades. Snow levels will be around 3000 feet in the Olympics. For the Cascades, the snow level will around 2500 feet for the Cascades of Whatcom & Skagit counties, to around 3500 feet for the Cascades from Snohomish county south. Snow will be heavy, and visibilities will be reduced at times.” – NOAA Seattle, WA today

WINTER STORM WARNING for WASHINGTON:

URGENT - WINTER WEATHER MESSAGE
National Weather Service Seattle WA
332 PM PST Mon Dec 18 2017

Cascades of Whatcom and Skagit Counties-
Including Mount Baker Ski Area
332 PM PST Mon Dec 18 2017

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 10 PM PST TUESDAY ABOVE 2500 FEET...

* WHAT...Heavy snow will give difficult to impossible travel
  conditions. Snow levels around 2500 feet. 2 to 3 feet of snow is
  expected. Above 2500 feet, 2 to 3 feet of snow is expected.

* WHERE...Cascades of Whatcom and Skagit Counties, including the
  Mount Baker Ski Area.

* WHEN...Heavy snow expected tonight and Tuesday, covered by the
  Winter Storm Warning from 6 PM this evening to 10 PM PST
  Tuesday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times.