The National Weather Service has issued a winter weather advisory for Washington and Oregon. Snow is expected to fall throughout the day Tuesday.
4-12″ of snow is expected to fall above 4500ft.
Snow levels will start around 4500ft and drop to 3500ft by Tuesday morning. This will prolong the area snowpack.
Additional Storm Information:
OR & WA Forecast: 4-12″ of Snow Through Tuesday
* SNOW ACCUMULATIONS...4 to 10 inches through tonight, and up to 2 inches on Tuesday. Total accumulation around 4 to 12 inches by Tuesday afternoon. - NOAA Seattle, WA
WA Winter Weather Advisory:
URGENT - WINTER WEATHER MESSAGE National Weather Service Seattle WA 448 PM PDT Mon May 15 2017 Cascades of Whatcom and Skagit Counties- Cascades of Snohomish and King Counties- Cascades of Pierce and Lewis Counties- 448 PM PDT Mon May 15 2017 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 PM PDT TUESDAY... * SNOW ACCUMULATIONS...4 to 10 inches through tonight, and up to 2 inches on Tuesday. Total accumulation around 4 to 12 inches by Tuesday afternoon. * SNOW LEVELS...Around 4500 feet tonight lowering to 3500 feet later tonight and Tuesday. * SOME AFFECTED LOCATIONS...Mount Baker, Stevens Pass, White Pass, Paradise. * TIMING...The heaviest snow is expected tonight...with snow showers continuing through Tuesday. * MAIN IMPACT...Travel may be difficult in the higher elevations and back country hikers should be prepared for winter conditions.