... Winter Storm Warning in effect from 8 am Thursday to midnight
PST Thursday night for the greater Portland and Vancouver Metro
areas... the Interstate 5 corridor and lower Columbia region of
southwest Washington and extreme northwest Oregon... the north
Oregon Coast Range... the Willapa Hills of southwest Washington... the
north Oregon Cascade foothills... and the South Washington Cascade
The National Weather Service in Portland has issued a Winter
Storm Warning... which is in effect from 8 am Thursday to midnight
PST Thursday night.
* Timing... snow will begin mid to late morning on Thursday...
continue through much of the day Thursday in the inland areas
but start to change to freezing rain in the coastal mountains in
the afternoon and in the inland areas around 4 PM. Freezing
rain will then continue inland until midnight... especially near
* Snow accumulations... generally 2 to 4 inches... but locally 3 to
6 inches in areas such as far eastern Clark County... on the
foothills of the Cascades and in the coastal mountains.
* Ice accumulations... up to a quarter inch of ice is possible
later Thursday and Thursday night.
* Wind... strong east winds locally gusting 40 to 50 mph across
the eastern Portland and Vancouver Metro area will lead to
areas of blowing snow... as well as cold wind chills.
* Impacts... travel will be difficult... especially from late
morning through Thursday evening. Power outages are possible.
A Winter Storm Warning means significant amounts of snow, sleet,
and ice are expected or occurring. Strong winds are also possible.
This will make travel very hazardous or impossible.