A band of moderate snow will produce a quick half inch to an inch
of snow across the Moses Lake Area and Upper Columbia Basin
through 600 PM this evening. Snowfall rates of up to a half inch
per hour will be possible resulting in slippery travel conditions.
Impacts are expected along Interstate 90 and for commuter traffic
this evening. Reduce speeds and increase travel distance between
vehicles. Areas to be impacts include Othello, Moses Lake,
Ritzville, Quincy, Ephrata, Coulee City, Wilbur, and Davenport.
* WHAT...Snow. Additional snow accumulations between 2 and 4 inches.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Foothills of the Blue Mountains of
Washington.
* WHEN...Until 10 PM PST Friday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions. The hazardous
conditions could impact the Thursday evening and Friday morning
commutes.
* WHAT...Snow. Additional snow accumulations between 3 and 8 inches.
Winds gusting as high as 45 mph though this evening.
* WHERE...Blue Mountains of Oregon and Washington.
* WHEN...Until 10 PM PST Friday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions.
* WHAT...Snow. Additional snow accumulations of 1 to 3 inches.
* WHERE...Lower Columbia Basin of Washington.
* WHEN...Until 4 PM PST Friday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow. The hazardous conditions could impact the Thursday
evening and Friday morning commutes.
* WHAT...Snow. Additional snow accumulations of 1 to 2 inches.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington.
* WHEN...Until 10 AM PST Friday.
* IMPACTS...Even light snowfall amounts can accumulate on roads and
cause dangerous driving conditions due to slippery and
snow-covered roads. The hazardous conditions could impact the
Thursday evening and Friday morning commutes.
* WHAT...Mixed precipitation. Additional snow accumulations 4-8
inches and ice accumulations around a light glaze. Winds gusting
as high as 40 mph.
* WHERE...Northern and Central Cascades and Foothills in Oregon, and
South Washington Cascades.
* WHEN...Until 10 PM PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Snow expected. Total snow accumulations of 2-5 inches.
Winds gusting as high as 60 mph in the western Columbia River
Gorge near Corbett and up to 30 mph in the central Columbia River
Gorge and Hood River Valley.
* WHERE...Western and Central Columbia River Gorge, the Corbett area
and the Hood River Valley.
* WHEN...Until 10 PM PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* ADDITIONAL DETAILS...Due to areas of freezing rain, power outages
are possible.
* WHAT...Mixed precipitation. Total snow and sleet accumulations of
1-2 inches and ice accumulations up to one tenth of an inch. Winds
gusting as high as 45 mph.
* 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...Until 4 PM PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* ADDITIONAL DETAILS...Precipitation will transition over to
primarily freezing rain this afternoon. Due to areas of freezing
rain, power outages are possible.
* WHAT...Heavy mixed precipitation. Total snow and sleet
accumulations of 1-3 inches and ice accumulations around a tenth
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 will transition over to
primarily freezing rain this afternoon. The Thursday evening
commute will be affected. Due to areas of freezing rain and
elevated winds, power outages are possible.
* WHAT...Mixed precipitation. Total snow and sleet accumulations of
1-2 inches and ice accumulations around one tenth of an inch.
Winds gusting as high as 40 mph.
* WHERE...Clatsop County and Tillamook County Coast, and South
Washington Coast.
* WHEN...Until 4 AM PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* ADDITIONAL DETAILS...Precipitation will transition over to
primarily freezing rain this afternoon. The Thursday evening
commute will be affected. Due to areas of freezing rain, power
outages are possible.
* WHAT...Wind chills of 10-20F.
* WHERE...In Oregon, Portland West Hills and Chehalem Mountain and
Tualatin Valley. In Washington, Inner Vancouver Metro and North
Clark County Lowlands.
* WHEN...Until noon PST Friday.
* 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...For the Cold Weather Advisory, wind chills of 10-20F. For
the Wind Advisory, east winds 20 to 30 mph with gusts up to 55 mph.
* WHERE...Eastern Portland/Vancouver Metro Near The Gorge.
* WHEN...For the Cold Weather Advisory, until noon PST Friday. For
the Wind Advisory, until 10 PM PST this evening.
* 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. Wind chill values can lead to
hypothermia with prolonged exposure.
* WHAT...Wind chills of 5-20F.
* WHERE...Western and Central Columbia River Gorge, the Corbett area
and the Hood River Valley.
* WHEN...Until noon PST Friday.
* 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...For the Cold Weather Advisory, wind chills of 10-20F. For
the Wind Advisory, east winds 20 to 30 mph with gusts up to 55 mph.
* WHERE...Eastern Portland/Vancouver Metro Near The Gorge.
* WHEN...For the Cold Weather Advisory, until noon PST Friday. For
the Wind Advisory, until 10 PM PST this evening.
* 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. Wind chill values can lead to
hypothermia with prolonged exposure.
* WHAT...Southeast winds 15 to 25 mph with gusts up to 50 mph.
* WHERE...East Puget Sound Lowlands.
* WHEN...Until 5 PM PST this afternoon.
* IMPACTS...Gusty winds could blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Snow. Additional snow accumulations between 3 and 8 inches.
Winds gusting as high as 45 mph.
* WHERE...Blue Mountains of Oregon and Washington.
* WHEN...Until 10 PM PST Friday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions. Gusty winds
could bring down tree branches.
* WHAT...Snow. Additional snow accumulations between 2 and 4 inches.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Foothills of the Blue Mountains of
Washington.
* WHEN...Until 10 PM PST Friday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions. The hazardous
conditions could impact the Thursday evening and Friday morning
commutes.
* ADDITIONAL DETAILS...Locally strong winds combined with existing
snow cover and falling snow may result in blowing snow and
visibilities of one-half mile or less along the base of the
northern Blue Mountains in Oregon, including along Interstate 84
in the vicinity of Cabbage Hill, through this evening.
* WHAT...Snow. Total snow accumulations between 1 and 3 inches.
* WHERE...Lower Columbia Basin of Washington.
* WHEN...Until 4 PM PST Friday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow. The hazardous conditions could impact the Thursday
evening and Friday morning commutes.
* WHAT...Snow. Additional snow accumulations between 1 and 3 inches.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington.
* WHEN...Until 10 AM PST Friday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow. The hazardous conditions could impact the Thursday
evening and Friday morning commutes.
Precipitation moving in from the south this morning will fall as
snow or a rain/snow mix this afternoon and evening. Additional
showers tonight may produce additional accumulations.
* WHAT...Wet snow expected. Total snow accumulations up to two
inches.
* WHERE...Tacoma Area.
* WHEN...Until 8 AM PST Friday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Thursday evening and Friday morning
commutes.