* WHAT...Heavy mixed precipitation expected. Total snow and sleet
accumulations up to two inches and ice accumulations up to one
quarter of an inch. Winds gusting as high as 40 mph.
* WHERE...North Oregon Coast Range and North Oregon Coast Range
Lowlands.
* WHEN...From 10 AM this morning to 10 AM PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Significant ice accumulation on
power lines and tree limbs may cause power outages.
* ADDITIONAL DETAILS...Precipitation begins as snow Thursday
morning. Precipitation will transition over to primarily freezing
rain by Thursday midday. Due to areas of freezing rain, power
outages are possible.
* WHAT...Heavy mixed precipitation expected. Total snow and sleet
accumulations up to two inches and ice accumulations between one
tenth and two tenths of an inch. Winds gusting as high as 45 mph.
* WHERE...Portland Metro Lowlands, Greater Vancouver Metro, and
Portland West Hills and Chehalem Mountain.
* WHEN...Until 10 AM PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Significant ice accumulation on
power lines and tree limbs may cause power outages.
* ADDITIONAL DETAILS...Precipitation begins as mixed snow and
freezing rain Thursday morning. Precipitation will transition over
to primarily freezing rain by Thursday afternoon. The Thursday
morning commute will be affected. Due to areas of freezing rain
and elevated winds, power outages are possible.
* WHAT...Heavy mixed precipitation expected. Total snow and sleet
accumulations up to two inches and ice accumulations between one
tenth and two tenths of an inch possible. Winds gusting as high as
40 mph.
* WHERE...Outer Southeast Portland Metro.
* WHEN...Until 10 AM PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Significant ice accumulation on
power lines and tree limbs may cause power outages.
* ADDITIONAL DETAILS...Precipitation begins as mixed snow and
freezing rain Thursday morning. Precipitation will transition over
to primarily freezing rain by Thursday midday. The Thursday
morning commute will be affected. Due to areas of freezing rain
and elevated winds, power outages are possible.
* WHAT...Significant icing. Additional snow accumulations up to two
inches and ice accumulations up to three tenths of an inch.
* WHERE...Central and Southern Willamette Valley, Central Oregon
Coast Range Lowlands, and Central Oregon Coast Range.
* WHEN...Until 4 AM PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Significant ice accumulation on
power lines and tree limbs may cause power outages.
* ADDITIONAL DETAILS...Precipitation begins as mixed snow and
freezing rain Wednesday night. Precipitation will transition over
to primarily freezing rain by Thursday midday. The Thursday
morning commute will be affected. Due to areas of freezing rain,
power outages are possible.
* WHAT...Mixed precipitation expected. Total snow accumulations up
to one inch and ice accumulations around one tenth of an inch.
Winds gusting as high as 45 mph.
* WHERE...South Washington and North and Central Oregon Coast.
* WHEN...Until 4 AM PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* ADDITIONAL DETAILS...Precipitation begins as mixed snow and
freezing rain Wednesday night. Precipitation will transition over
to primarily freezing rain by Thursday midday. The Thursday
morning commute will be affected. Due to areas of freezing rain,
power outages are possible.
* WHAT...Snow and blowing snow expected. Total snow accumulations
between 2 and 4 inches possible in the Upper Treasure and Magic
Valleys including the Boise metro, 3 to 6 inches in the Lower
Treasure Valley, and 6 to 10 inches possible in the mountains,
Camas Prairie, and across northern Malheur and Harney Counties.
Winds gusting as high as 40 mph causing areas of blowing and
drifting snow and whiteout conditions.
* WHERE...Portions of south central, southwest, and west central
Idaho and northeast and southeast Oregon.
* WHEN...Until 11 AM MST /10 AM PST/ Friday.
* IMPACTS...Snow covered roads causing slick conditions combined
with blowing snow will cause hazardous conditions. Visibilities
may drop below 1/4 mile due to falling and blowing snow, and areas
of whiteout conditions possible. Travel not advised. Travel along
highways and Interstate 84 could be very difficult.
* WHAT...Very cold apparent temperatures as low as 15 below.
* WHERE...Portions of south central, southwest, and west central
Idaho and southeast Oregon.
* WHEN...Until 10 AM MST this 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...Very cold apparent temperatures as low as 20 below.
* WHERE...Baker County, Harney County, and Malheur County.
* WHEN...Until 9 AM PST /10 AM MST/ this 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 Advisories, cold wind chills ("feels
like") as low as 10 to 25 degrees fahrenheit expected. For the
Wind Advisory, east winds 30 to 40 mph with gusts up to 60 mph
expected.
* WHERE...Eastern Portland/Vancouver Metro Near The Gorge.
* WHEN...For the Wind Advisory, until 10 PM PST Thursday. For the
Cold Weather Advisory, from 7 PM this evening to noon PST Friday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
Frostbite and hypothermia will occur if unprotected skin is
exposed to these temperatures.
* 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 Extreme Cold Warning, from 7 PM this evening to
noon PST Thursday. For the Cold Weather Advisory, from noon
Thursday to noon PST Friday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures.
* WHAT...For the Cold Weather Advisory, cold wind chills ("feels
like") as low as 10 to 25 degrees fahrenheit expected.
* WHERE...In Oregon, Inner Portland Metro, Portland West Hills and
Chehalem Mountain, and Tualatin Valley. In Washington, Inner
Vancouver Metro and North Clark County Lowlands.
* WHEN...From 7 PM this evening to noon PST Friday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures.
* WHAT...For the Cold Weather Advisories, cold wind chills ("feels
like") as low as 10 to 25 degrees fahrenheit expected. For the
Wind Advisory, east winds 30 to 40 mph with gusts up to 60 mph
expected.
* WHERE...Eastern Portland/Vancouver Metro Near The Gorge.
* WHEN...For the Wind Advisory, until 10 PM PST Thursday. For the
Cold Weather Advisory, from 7 PM this evening to noon PST Friday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
Frostbite and hypothermia will occur if unprotected skin is
exposed to these temperatures.
* WHAT...For the Cold Weather Advisory, cold wind chills ("feels
like") as low as 10 to 25 degrees fahrenheit expected.
* WHERE...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, South Washington Cascades and Foothills,
and Outer Southeast Portland Metro.
* WHEN...From 7 PM this evening to noon PST Thursday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures.
* 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 Extreme Cold Warning, from 7 PM this evening to
noon PST Thursday. For the Cold Weather Advisory, from noon
Thursday to noon PST Friday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures.
* WHAT...Mixed precipitation expected. Total snow accumulations 6 to
12 inches and ice accumulations around one tenth of an inch. Winds
gusting as high as 45 mph.
* WHERE...Northern and Central Cascades and Foothills in Oregon, and
South Washington Cascades.
* WHEN...From 4 AM Thursday to 10 PM PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Mixed precipitation expected. Total snow accumulations
between 2 and 4 inches and ice accumulations around two tenths of
an inch. Winds gusting as high as 60 mph.
* WHERE...Western and Central Columbia River Gorge, the Corbett area
and the Hood River Valley.
* WHEN...From 4 AM Thursday to 10 PM PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Mixed precipitation expected. Total snow accumulations up
to one inch and ice accumulations around one tenth of an inch.
* WHERE...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 4 PM Thursday to 4 PM PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Heavy mixed precipitation expected. Total snow and sleet
accumulations up to one inch and ice accumulations up to two
tenths of an inch.
* WHERE...North Oregon Coast Range Lowlands.
* WHEN...From 10 AM Thursday to 10 AM PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Heavy mixed precipitation expected. Total snow and sleet
accumulations up to two inches and ice accumulations up to two
tenths of an inch.
* WHERE...North Oregon Coast Range.
* WHEN...From 10 AM Thursday to 10 AM PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Heavy mixed precipitation expected. Total snow and sleet
accumulations up to one inch and ice accumulations between one
tenth and two tenths of an inch. Winds gusting as high as 40 mph.
* WHERE...Outer Southeast Portland Metro.
* WHEN...From 4 AM Thursday to 10 AM PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.