Light snow accumulations possible in higher elevations of the county late tonight and tomorrow morning. The snow level may fall to 500-1,000 feet--the lowest so far this season.
See below for full details from the National Weather Service.
WWUS86 KPQR 181750
SPSPQR
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PORTLAND OR
950 AM PST FRI NOV 18 2011
ORZ005>008-WAZ022-039-190600-
LOWER COLUMBIA-GREATER PORTLAND METRO AREA-
CENTRAL WILLAMETTE VALLEY-SOUTH WILLAMETTE VALLEY-I-
5 CORRIDOR IN COWLITZ COUNTY-GREATER VANCOUVER AREA-
INCLUDING THE CITIES OF...ST. HELENS...CLATSKANIE...HILLSBORO...
PORTLAND...OREGON CITY...GRESHAM...SALEM...MCMINNVILLE...DALLAS...
EUGENE...CORVALLIS...ALBANY...LONGVIEW...KELSO...CASTLE ROCK...
VANCOUVER...BATTLE GROUND...WASHOUGAL
950 AM PST FRI NOV 18 2011
...SOME LIGHT SNOW ACCUMULATIONS POSSIBLE IN THE HIGHER ELEVATIONS AROUND THE WILLAMETTE VALLEY AND THE SOUTHWEST WASHINGTON INTERIOR VALLEYS LATE TONIGHT AND SATURDAY MORNING...
WITH SNOW LEVELS EXPECTED TO BE AT THEIR LOWEST SO FAR THIS
SEASON LATE TONIGHT AND EARLY SATURDAY...SOME LOCAL 1 OR 2 INCH
SNOW ACCUMULATIONS ARE POSSIBLE IN THE HILLS AROUND THE PORTLAND AND VANCOUVER METRO AREAS...THE LOWER COLUMBIA AND INTERSTATE 5 CORRIDOR OF SOUTHWEST WASHINGTON...AND THE CENTRAL AND SOUTHERN
WILLAMETTE VALLEY. THE SHOWERY NATURE OF THE PRECIPITATION WILL
MAKE THE ACCUMULATIONS A HIT OT MISS PROPOSITION AT ANY SPECIFIC
LOCATION.
A DISTURBANCE CURRENTLY OFF THE WASHINGTON COAST WILL BE SPREADING
THE SHOWERS ONSHORE TONIGHT AND EARLY SATURDAY. AS THIS FEATURE
MOVES THROUGH SNOW LEVELS WILL FALL TO BETWEEN 500 AND 1000 FEET
TONIGHT AND EARLY SATURDAY...AND POSSIBLY EVEN A LITTLE LOWER FROM
PORTLAND NORTH.
