* WHAT...Very cold wind chills as low as 10 to 15 degrees.
* WHERE...San Juan County and Western Whatcom County.
* WHEN...From 6 PM this evening to 10 AM PST Wednesday.
* IMPACTS...Very cold temperatures can lead to hypothermia with
prolonged exposure and will impact vulnerable populations such as
the homeless, pets, and those without adequate access to heating.
* ADDITIONAL DETAILS...Colder temperatures are expected Tuesday and
Wednesday morning.
* WHAT...Apparent (feels like) temperatures as low as zero to ten
degrees expected.
* WHERE...Western and Central Columbia River Gorge and the Hood
River Valley.
* WHEN...From 7 PM Monday to noon PST Tuesday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. Wind chill values can lead to
hypothermia with prolonged exposure.
* WHAT...Very cold temperatures as low as 15 to 25 degrees expected.
* WHERE...Greater Portland/Vancouver Metro, Central and Southern
Willamette Valley, South Washington and North and Central Oregon
Coast, Northern and Central Coast Range Valleys and Mountains of
Oregon, Foothills of the Northern and Central Oregon Cascades,
Willapa Hills and Adjacent River Valleys of Pacific and Wahkiakum
Counties, Lower Columbia River and Cowlitz River Valleys, and
South Washington Cascade Foothills.
* WHEN...From 7 PM Monday to noon PST Tuesday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. Very cold temperatures can lead
to hypothermia with prolonged exposure.
* ADDITIONAL DETAILS...Apparent (feels like) temperatures will be
locally lower, between 10 to 15 degrees, for locations near the
west end of the Columbia River Gorge.
* WHAT...Very cold temperatures 10 to 19 below zero expected,
especially in the Methow Valley during night and morning hours.
* WHERE...Twisp, Methow, Loup Loup Pass, Winthrop, and Mazama.
* WHEN...From 1 AM Monday to noon PST Thursday.
* IMPACTS...Cold temperatures will impact those without adequate
heating. Cold temperatures could result in hypothermia or
frostbite if precautions are not taken.
* WHAT...Very cold wind chills 8 to 16 below zero expected during
the late night and morning hours.
* WHERE...Disautel Pass, Mansfield, Bridgeport, Okanogan,
Waterville, Tonasket, Oroville, Brewster, Nespelem, Omak, and
Badger Mountain Road.
* WHEN...From 1 AM Monday to noon PST Tuesday.
* IMPACTS...The cold wind chills could result in hypothermia or
frostbite if precautions are not taken.
* ADDITIONAL DETAILS...North winds will be strongest Monday with
gusts 20 to 30 mph with localized gusts to 35 mph on the
Waterville Plateau. Winds will decrease through Tuesday, but still
remain elevated up to around 10 mph which is strong enough
combined with the cold temperatures to produce dangerous wind
chill values.
* WHAT...Snow. Additional snow accumulations up to 4 inches.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until noon PST Sunday.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Snow. Additional snow accumulations up to one inch.
* WHERE...Clarkston, Pomeroy, and Alpowa Summit.
* WHEN...Until 9 PM PST this evening.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Snow. Additional snow accumulations between 5 and 10 inches.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until noon PST Sunday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions.
* ADDITIONAL DETAILS...The heaviest snowfall will occur this evening
with snowfall rates between 0.5 to 1 inch per hour from 6 PM to 10
PM.
* WHAT...Snow. Additional snow accumulations between 1 and 3 inches.
Periods of heavy snowfall and reduced visibility to less than one
mile.
* WHERE...Genesee, Tekoa, Potlatch, Fourth Of July Pass, Rosalia,
Lookout Pass, Uniontown, La Crosse, St. Maries, Moscow, Fernwood,
Dobson Pass, Colfax, Osburn, Wallace, Mullan, Oakesdale, Kellogg,
Pullman, Plummer, and Pinehurst.
* WHEN...Until 1 AM PST Sunday.
* IMPACTS...Plan on slippery road conditions and periods of reduced
visibility to less than one mile.
* WHAT...Snow. Additional snow accumulations up to two inches.
* WHERE...Clarkston, Alpowa Summit, and Pomeroy.
* WHEN...Until 1 AM PST Sunday.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Snow. Additional snow accumulations up to one inch. Periods
of heavy snowfall and reduced visibility to less than one mile.
* WHERE...Cheney, Airway Heights, Post Falls, Coeur d'Alene,
Fairfield, Hayden, Downtown Spokane, Rockford, Spokane Valley,
Worley, and Davenport.
* WHEN...Until 7 PM PST this evening.
* IMPACTS...Plan on slippery road conditions and periods of reduced
visibility to less than one mile.
* WHAT...Snow expected. Total snow accumulations up to two inches.
* WHERE...Pomeroy, Clarkston, and Alpowa Summit.
* WHEN...From 1 PM this afternoon to 1 AM PST Sunday.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Snow. Additional snow accumulations up to two inches.
* WHERE...Davenport, Spokane Valley, Coeur d'Alene, Hayden,
Fairfield, Worley, Rockford, Post Falls, Airway Heights, Downtown
Spokane, and Cheney.
* WHEN...Until 7 PM PST this evening.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Wet snow. Additional snow accumulations up to one inch.
* WHERE...Foothills of the Northern and Central Oregon Cascades,
West Columbia River Gorge of Oregon above 500 ft, and South
Washington Cascade Foothills.
* WHEN...Until noon PST today.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Wet snow. Additional snow accumulations up to one inch.
* WHERE...North and Central Coast Range Mountains of Oregon, and
Willapa Hills.
* WHEN...Until noon PST today.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Wet snow. Additional snow accumulations up to half an inch.
* WHERE...Portland Metro Hills, and Western Columbia River Gorge.
* WHEN...Until noon PST today.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
