* WHAT...Very cold temperatures as low as zero to 10 below expected.
* WHERE...South Washington Cascades and the Northern and Central
Cascades of Oregon.
* WHEN...For the first Cold Weather Advisory, from 7 PM this evening
to noon PST Tuesday. For the second Cold Weather Advisory, from 7
PM Tuesday to noon PST Wednesday.
* 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, from 7 PM this evening
to noon PST Tuesday. For the second Cold Weather Advisory, from 7
PM Tuesday 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.
* WHAT...For the Cold Weather Advisory, very cold temperatures as
low as 10 to 20 degrees expected. For the Extreme Cold Watch,
dangerously cold wind chills as low as 5 to 10 degrees possible.
* WHERE...Eastern Portland/Vancouver Metro, Foothills of the
Northern and Central Oregon Cascades, North Oregon Coast Range
Lowlands, North Oregon Coast Range, Willapa Hills, and South
Washington Cascade Foothills.
* WHEN...For the Cold Weather Advisory, from 7 PM this evening to
noon PST Tuesday. For the Extreme Cold Watch, from Tuesday evening
through Wednesday morning.
* 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...For the Cold Weather Advisory, very cold wind chills as low
as zero to 10 degrees expected. For the Extreme Cold Watch,
dangerously cold wind chills as low as 5 below possible.
* WHERE...Western and Central Columbia River Gorge and the Hood
River Valley.
* WHEN...For the Cold Weather Advisory, from 7 PM this evening to
noon PST Tuesday. For the Extreme Cold Watch, from Tuesday 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.
* 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, and
Central Oregon.
* WHEN...From 10 PM this evening to 7 AM PST Thursday.
* IMPACTS...The cold wind chills as low as 15 below zero could
result in hypothermia or frostbite if precautions are not taken.
Frostbite and hypothermia will occur if unprotected skin is
exposed to these temperatures.
* WHAT...Very cold wind chills as low as 15 below expected.
* WHERE...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.
Very cold temperatures can lead to hypothermia with prolonged
exposure.
Patchy fog is developing throughout the Willamette Valley and
southwest Washington lowlands. Freezing fog will be possible in
areas that are below freezing and develop fog. Additionally, even
roads with no fog could see ice through Monday morning due to wet
surfaces freezing over. Take caution while traveling, as slick
roads may impact the Monday morning commute.
* WHAT...Very cold temperatures as low as 14 below.
* WHERE...Methow, Conconully, Loup Loup Pass, Winthrop, Twisp, and
Mazama.
* 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 wind chills as low as 10 below.
* WHERE...Omak, Tonasket, Bridgeport, Badger Mountain Road,
Oroville, Okanogan, Mansfield, Nespelem, Brewster, Disautel Pass,
and Waterville.
* WHEN...Until noon PST Tuesday.
* IMPACTS...The cold wind chills could result in hypothermia or
frostbite if precautions are not taken.
* ADDITIONAL DETAILS...Sustained north winds of 10 to 15 mph with
gusts of 20 mph will produce bitterly cold conditions. Wind chill
values as low as 5 below zero will occur this morning and between
5 and 10 below zero on Tuesday morning.
* WHAT...Very cold wind chills as low as 15 below expected.
* WHERE...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.
Very cold temperatures can lead to hypothermia with prolonged
exposure.
* WHAT...Very cold wind chills as low as 10 to 15 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.
* WHAT...Very cold wind chills as low as 10 to 20 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...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.
* WHAT...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...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.
* WHAT...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...The coldest locations will be Enumclaw and
along the I-90 corridor, including North Bend.
* 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 this evening 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...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 this evening 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.
Patchy dense freezing fog has formed in central and southeast
Washington this evening with multiple reports of visibility as low
as one quarter of a mile. Satellite data and webcams indicate
some breaks in the fog, so be prepared for rapid fluctuations in
visibility over very short distances. Fog will continue to
impact I-90 around Ritzville, SR-26 between Othello and Dusty,
and US-12 near Alpowa Summit. Use extra caution, reduce speeds,
and allow extra travel time.
* WHAT...Very cold wind chills as low as 10 to 20 degrees.
* WHERE...Bellevue and Vicinity, Bremerton and Vicinity, Everett and
Vicinity, Seattle and Vicinity, and Tacoma Area.
* WHEN...From 6 PM Monday 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.
* WHAT...Very cold wind chills as low as 10 to 20 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...From 6 PM Monday 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.
* WHAT...Very cold wind chills as low as 15 to 20 degrees.
* WHERE...Western Skagit County and East Puget Sound Lowlands.
* 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...The coldest locations will be Enumclaw and
along the I-90 corridor, including North Bend.
