* WHAT...For the Cold Weather Advisory, very cold temperatures as
low as 1 above. For the Extreme Cold Watch, dangerously cold wind
chills as low as 1 above possible.
* WHERE...West Columbia River Gorge of Oregon above 500 ft.
* WHEN...For the Cold Weather Advisory, until noon PST today. For
the Extreme Cold Watch, from this evening through Wednesday
morning.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. Wind chill values can lead to
hypothermia with prolonged exposure. Very cold temperatures can
lead to hypothermia with prolonged exposure.
* WHAT...For the first Cold Weather Advisory, very cold temperatures
as low as 15 to 25 degrees expected. For the second Cold Weather
Advisory, very cold apparent (feels like) temperatures as low as
10 to 25 degrees expected.
* WHERE...Central and Southern Willamette Valley, South Washington
and North and Central Oregon Coast, Lower Columbia River and
Cowlitz River Valleys, Central Oregon Coast Range Lowlands,
Central Oregon Coast Range, Tualatin Valley, Portland West Hills
and Chehalem Mountain, Inner Portland Metro, Willapa and Wahkiakum
Lowlands, North Clark County Lowlands, and Inner Vancouver Metro.
* WHEN...For the first Cold Weather Advisory, until noon PST today.
For the second Cold Weather Advisory, from 7 PM this evening to
noon PST Wednesday.
* 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...The lowest wind chills will occur around the
west end of the Columbia River Gorge Tuesday night into Wednesday
morning.
Light snow with areas of freezing fog have been observed along the
Hwy 97 corridor south of Shaniko. Visibilities as low as one
quarter mile will be possible as roadways are currently snow
covered. Areas of patchy ice may have also developed as Monday's
high temperatures reached slightly above freezing, allowing the
potential for refreezing. Motorists are urged to use caution if
traveling during the early morning hours today.
* WHERE...Admiralty Inlet Area.
* WHEN...Until 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. Very cold wind chills as low as 15 to 20
degrees.
* WHERE...Western Skagit County and East Puget Sound Lowlands.
* WHEN...Until 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. Very cold wind chills as low as 5 to 15 degrees.
* WHERE...Central Coast, Eastern Strait of Juan de Fuca, Hood Canal
Area, North Coast, Western Strait of Juan De Fuca, Lower Chehalis
Valley Area, and Southwest Interior.
* WHEN...Until 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. Very cold wind chills as low as 15 to 20
degrees.
* WHERE...Bellevue and Vicinity, Bremerton and Vicinity, Everett and
Vicinity, Seattle and Vicinity, and Tacoma Area.
* WHEN...Until 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. Very cold wind chills as low as 15 to 20
degrees.
* WHERE...San Juan County and Western Whatcom County.
* WHEN...Until 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. Very cold wind chills as low as 10 to 15
degrees, with near 0 degree wind chills possible for Whatcom
County.
Areas of dense freezing fog have formed on the Palouse and
Lewiston area this evening. Satellite data and webcams indicate
breaks in the fog, so be prepared for rapid fluctuations in
visibility over very short distances. Fog will continue to impact
US-195 near Pullman and US-95 between Moscow and Lewiston. Use
extra caution, reduce speeds, and allow extra travel time.
* WHAT...Very cold temperatures as low as 15 below expected.
* WHERE...Blue Mountains of Oregon and Washington, Grande Ronde
Valley, Wallowa County, Ochoco-John Day Highlands, East Slopes of
the Oregon Cascades, Central Oregon, and Upper Slopes of the
Eastern Washington Cascades Crest.
* WHEN...Until 7 AM PST Thursday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. Very cold temperatures can lead
to hypothermia with prolonged exposure.
* WHAT...Very cold temperatures as low as 15 below expected.
* WHERE...Blue Mountains of Oregon and Washington, Grande Ronde
Valley, Wallowa County, Ochoco-John Day Highlands, East Slopes of
the Oregon Cascades, Central Oregon, and Upper Slopes of the
Eastern Washington Cascades Crest.
* WHEN...Until 7 AM PST Thursday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. Very cold temperatures can lead
to hypothermia with prolonged exposure.
* WHERE...Central Coast, Eastern Strait of Juan de Fuca, Hood Canal
Area, North Coast, Western Strait of Juan De Fuca, Lower Chehalis
Valley Area, and Southwest Interior.
* WHEN...Until 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.
* WHERE...Western Skagit County and East Puget Sound Lowlands.
* WHEN...Until 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...The coldest locations will be Enumclaw and
along the I-90 corridor, including North Bend.
* WHERE...Bellevue and Vicinity, Bremerton and Vicinity, Everett and
Vicinity, Seattle and Vicinity, and Tacoma Area.
* WHEN...Until 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.
* WHERE...San Juan County and Western Whatcom County.
* WHEN...Until 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...Very cold wind chills as low as 15 below expected.
* WHERE...Blue Mountains of Oregon and Washington, Wallowa County,
Ochoco-John Day Highlands, East Slopes of the Oregon Cascades,
Central Oregon, and Upper Slopes of the Eastern Washington
Cascades Crest.
* WHEN...From 10 PM this evening to 7 AM PST Thursday.
* IMPACTS...The dangerously cold wind chills as low as 15 below zero
could cause frostbite on exposed skin in as little as 30 minutes.
Frostbite and hypothermia will occur if unprotected skin is
exposed to these temperatures. Very cold temperatures can lead to
hypothermia with prolonged exposure.
* WHAT...Very cold wind chills as low as 15 below expected.
* WHERE...Grande Ronde Valley.
* WHEN...From 10 PM this evening to 7 AM PST Thursday.
* IMPACTS...The dangerously cold wind chills as low as 15 below zero
could cause frostbite on exposed skin in as little as 30 minutes.
Frostbite and hypothermia will occur if unprotected skin is
exposed to these temperatures. Very cold temperatures can lead to
hypothermia with prolonged exposure.
* WHAT...Very cold wind chills as low as 15 below expected.
* WHERE...Blue Mountains of Oregon and Washington, Wallowa County,
Ochoco-John Day Highlands, East Slopes of the Oregon Cascades,
Central Oregon, and Upper Slopes of the Eastern Washington
Cascades Crest.
* WHEN...From 10 PM this evening to 7 AM PST Thursday.
* IMPACTS...The dangerously cold wind chills as low as 15 below zero
could cause frostbite on exposed skin in as little as 30 minutes.
Frostbite and hypothermia will occur if unprotected skin is
exposed to these temperatures. Very cold temperatures can lead to
hypothermia with prolonged exposure.
* WHAT...Very cold temperatures 10 to 19 below zero expected,
especially in the Methow Valley during night and morning hours.
* WHERE...Conconully, Winthrop, Loup Loup Pass, Mazama, Twisp, and
Methow.
* WHEN...Until 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 temperatures as low as 12 below expected.
* WHERE...Metaline, Orin-Rice Road, Newport, Springdale-Hunters
Road, Fruitland, Inchelium, Sherman Pass, Wauconda, Chesaw Road,
Tiger, Ione, Metaline Falls, Northport, Colville, Flowery Trail
Road, Boulder Creek Road, Chewelah, Highway 20 Wauconda Summit,
Deer Park, Kettle Falls, and Republic.
* WHEN...From 8 PM this evening to noon PST Wednesday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures.
* ADDITIONAL DETAILS...Wind chills in the mountains as low as 15
below zero. Most lowlands will be sheltered from the winds with
readings of 5 to 10 below zero.