* WHAT...Very cold temperatures 10 to 20 below in the Methow Valley
otherwise temperatures of 5 to 10 below expected.
* WHERE...Winthrop, Conconully, Methow, Mazama, Loup Loup Pass, and
Twisp.
* WHEN...Until noon PST Thursday.
* IMPACTS...The cold temperatures through Thursday can result in
hypothermia if precautions are not taken. There is also a risk of
frostbite when skin is exposed to sub-zero temperatures.
* WHAT...Very cold temperatures as low as 17 below.
* WHERE...Mansfield, Badger Mountain Road, and Waterville.
* WHEN...Until noon PST Wednesday.
* IMPACTS...Very cold temperatures can lead to hypothermia with
prolonged exposure.
* WHAT...Very cold temperatures as low as 18 below.
* WHERE...Hayden, Potlatch, Pullman, Coeur d'Alene, La Crosse,
Downtown Spokane, Plummer, Davenport, Rosalia, Worley, Airway
Heights, Uniontown, Colfax, Spokane Valley, Genesee, Moscow,
Rockford, Tekoa, Cheney, Post Falls, Oakesdale, and Fairfield.
* WHEN...Until noon PST Wednesday.
* IMPACTS...The cold temperatures Wednesday morning can result in
hypothermia if precautions are not taken. There is also a risk of
frostbite when skin is exposed to sub-zero temperatures.
* WHAT...Very cold temperatures as low as 11 below.
* WHERE...Colville, Orin-Rice Road, Springdale-Hunters Road,
Chewelah, Ione, Republic, Fruitland, Tiger, Inchelium, Chesaw
Road, Northport, Wauconda, Newport, Metaline, Kettle Falls,
Boulder Creek Road, Deer Park, Metaline Falls, Highway 20 Wauconda
Summit, Sherman Pass, and Flowery Trail Road.
* WHEN...Until noon PST Wednesday.
* IMPACTS...The cold temperatures Wednesday morning can result in
hypothermia if precautions are not taken. There is also a risk of
frostbite when skin is exposed to sub-zero temperatures.
* WHAT...Very cold temperatures as low as 20 below.
* 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 20 below.
* 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...Dangerously cold wind chills ("feels like") as low as zero
degrees fahrenheit expected.
* WHERE...Western and Central Columbia River Gorge, the Corbett area
and the Hood River Valley.
* WHEN...For the first Extreme Cold Warning, from 7 PM this evening
to noon PST Wednesday. For the second Extreme Cold Warning, from 7
PM Wednesday to noon PST Thursday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. An extended period of freezing
temperatures could cause ruptured water pipes.
* WHAT...Cold wind chills ("feels like") as low as 10 to 20 degrees
fahrenheit expected.
* WHERE...Greater Portland/Vancouver Metro, Northern and Central
Cascades and Foothills in Oregon, Central and Southern Willamette
Valley, South Washington and North and Central Oregon Coast,
Northern and Central Coast Range Valleys and Mountains of Oregon,
Willapa Hills and Adjacent River Valleys of Pacific and Wahkiakum
Counties, Lower Columbia River and Cowlitz River Valleys, and
South Washington Cascades and Foothills.
* WHEN...For the first Cold Weather Advisory, from 7 PM this evening
to noon PST Wednesday. For the second Cold Weather Advisory, from
7 PM Wednesday to noon 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. Wind chill values can lead
to hypothermia with prolonged exposure.
* WHAT...Cold wind chills ("feels like") as low as 10 to 20 degrees
fahrenheit expected.
* WHERE...Greater Portland/Vancouver Metro, Northern and Central
Cascades and Foothills in Oregon, Central and Southern Willamette
Valley, South Washington and North and Central Oregon Coast,
Northern and Central Coast Range Valleys and Mountains of Oregon,
Willapa Hills and Adjacent River Valleys of Pacific and Wahkiakum
Counties, Lower Columbia River and Cowlitz River Valleys, and
South Washington Cascades and Foothills.
* WHEN...For the first Cold Weather Advisory, from 7 PM this evening
to noon PST Wednesday. For the second Cold Weather Advisory, from
7 PM Wednesday to noon 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. Wind chill values can lead
to hypothermia with prolonged exposure.
* WHAT...Dangerously cold wind chills ("feels like") as low as zero
degrees fahrenheit expected.
* WHERE...Western and Central Columbia River Gorge, the Corbett area
and the Hood River Valley.
* WHEN...For the first Extreme Cold Warning, from 7 PM this evening
to noon PST Wednesday. For the second Extreme Cold Warning, from 7
PM Wednesday to noon PST Thursday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. An extended period of freezing
temperatures could cause ruptured water pipes.
* WHAT...Dangerously cold wind chills ("feels like") as low as zero
degrees fahrenheit expected.
* WHERE...Western and Central Columbia River Gorge, the Corbett area
and the Hood River Valley.
* WHEN...For the first Extreme Cold Warning, from 7 PM this evening
to noon PST Wednesday. For the second Extreme Cold Warning, from 7
PM Wednesday to noon PST Thursday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. An extended period of freezing
temperatures could cause ruptured water pipes.
* WHAT...Cold wind chills ("feels like") as low as 10 to 20 degrees
fahrenheit expected.
* WHERE...Greater Portland/Vancouver Metro, Northern and Central
Cascades and Foothills in Oregon, Central and Southern Willamette
Valley, South Washington and North and Central Oregon Coast,
Northern and Central Coast Range Valleys and Mountains of Oregon,
Willapa Hills and Adjacent River Valleys of Pacific and Wahkiakum
Counties, Lower Columbia River and Cowlitz River Valleys, and
South Washington Cascades and Foothills.
* WHEN...For the first Cold Weather Advisory, from 7 PM this evening
to noon PST Wednesday. For the second Cold Weather Advisory, from
7 PM Wednesday to noon 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. Wind chill values can lead
to hypothermia with prolonged exposure.
* WHAT...Dangerously cold wind chills ("feels like") as low as zero
degrees fahrenheit expected.
* WHERE...Western and Central Columbia River Gorge, the Corbett area
and the Hood River Valley.
* WHEN...For the first Extreme Cold Warning, from 7 PM this evening
to noon PST Wednesday. For the second Extreme Cold Warning, from 7
PM Wednesday to noon PST Thursday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. An extended period of freezing
temperatures could cause ruptured water pipes.
* WHAT...Cold wind chills ("feels like") as low as 10 to 20 degrees
fahrenheit expected.
* WHERE...Greater Portland/Vancouver Metro, Northern and Central
Cascades and Foothills in Oregon, Central and Southern Willamette
Valley, South Washington and North and Central Oregon Coast,
Northern and Central Coast Range Valleys and Mountains of Oregon,
Willapa Hills and Adjacent River Valleys of Pacific and Wahkiakum
Counties, Lower Columbia River and Cowlitz River Valleys, and
South Washington Cascades and Foothills.
* WHEN...For the first Cold Weather Advisory, from 7 PM this evening
to noon PST Wednesday. For the second Cold Weather Advisory, from
7 PM Wednesday to noon 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. Wind chill values can lead
to hypothermia with prolonged exposure.
* WHAT...Snow expected. Total snow accumulations between 4 and 12
inches. Winds gusting as high as 50 mph.
* WHERE...The southern Oregon Cascades and Siskiyou Mountains. This
includes areas from Lake of the Woods northward and higher
portions of the Siskiyou Mountains west of Interstate 5, including
the Mount Ashland Ski road, including portions of Highways 230, 62
and 140.
* WHEN...From 1 AM Thursday to 1 PM PST Friday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the Thursday morning and evening
commutes. Gusty winds could bring down tree branches.
* ADDITIONAL DETAILS...Heaviest snowfall accumulations are expected
near Diamond Lake and Crater Lake, especially Thursday morning and
again Thursday evening through Friday morning.
* WHAT...Snow expected. Total snow accumulations between 2 and 4
inches. Winds gusting as high as 45 mph.
* WHERE...Klamath County and Western Lake County, including areas
from Modoc Point northward and areas east of Klamath Falls. This
includes the communities of Chemult, Chiloquin, Beatty, and Bly.
This also includes portions of Highway 97, 140, 66, and 31.
* WHEN...From 1 AM to 2 PM PST Thursday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Thursday morning commute. Gusty winds
could bring down tree branches.
* ADDITIONAL DETAILS...Snow levels will rise from valley floors
early Thursday to around 4500 feet Thursday afternoon. Moderate
snow is likely in the morning on Thursday, then expect some
continued snow across higher terrain in the afternoon. Then, light
snow showers are expected Thursday night and Friday with snow
levels between 4000 and 5000 feet.
* WHAT...Wet snow expected above 1500 feet elevation. Total snow
accumulations up to one inch. Winds gusting as high as 20 mph in
valleys and 40 mph over mountains. Lighter snow of a half inch or
less is possible for elevations below 1500 feet elevation.
* WHERE...This includes portions of the Illinois Valley, lower
passes along Interstate 5 north of Grants pass and mountains in
Josephine and eastern Curry counties.
* WHEN...From 10 PM Wednesday to 8 AM PST Thursday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Thursday morning commute.
* ADDITIONAL DETAILS...Snow levels are expected to start out around
1000 feet Wednesday night then rise early Thursday morning to
around 1500 to 2500 feet, before rising higher to 4000 feet late
Thursday morning. A period of light to moderate snow is expected,
then transitioning to rain for most areas by late Thursday
morning. As snow transitions to rain, may see a brief wintery mix
with ice pellets.
* WHAT...Very cold wind chills as low as 15 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...Until 4 PM PST Thursday.
* 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 5 to 20 degrees.
* WHERE...Western Skagit County and East Puget Sound Lowlands.
* WHEN...Until 4 PM PST Thursday.
* 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.