* WHAT...Snow. Additional snow accumulations between 4 and 8 inches.
* WHERE...Blue Mountains of Oregon and Washington.
* WHEN...Until 10 PM PST Friday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
* WHAT...Snow. Additional snow accumulations up to 3 inches.
* WHERE...Ochoco-John Day Highlands.
* WHEN...Until 4 PM PST Friday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
* WHAT...Snow. Additional snow accumulations up to three inches.
* WHERE...Foothills of the Southern Blue Mountains of Oregon and
Lower Columbia Basin of Oregon.
* WHEN...Until 4 PM 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
Friday morning commute.
* WHAT...Snow. Additional snow accumulations up to two inches.
* WHERE...John Day Basin.
* WHEN...Until 4 PM PST Friday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
* WHAT...Snow. Additional snow accumulations up to 9 inches. Winds
gusting as high as 40 mph.
* WHERE...East Slopes of the Oregon Cascades.
* WHEN...Until 4 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 up to two inches.
* WHERE...North Central Oregon.
* 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
Friday morning commute.
* WHAT...Snow. Additional snow accumulations up to one inch.
* 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
Friday morning commute.
* WHAT...Snow. Additional snow accumulations up to one inch.
* WHERE...Central Oregon.
* 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
Friday morning commute.
* WHAT...Snow and areas of blowing snow expected. Additional snow
accumulation of up to 1 inch in the Upper Treasure and Magic
Valleys including the Boise metro, with an additional 1 to 3
inches in the Lower Treasure Valley. There is a chance of freezing
rain in the Treasure Valley and Western Magic Valley late tonight
through Friday morning. An additional 3 to 6 inches possible in
the mountains and Camas Prairie, and across northern Malheur and
Harney Counties. Winds gusting as high as 40 mph causing areas of
blowing and drifting snow.
* 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. Travel will
remain difficult through the evening commute.
* WHAT...Snow and blowing snow expected. Total snow accumulations
between two and four inches. Winds gusting as high as 50 mph in
the western Columbia River Gorge. Strong winds may loft snow and
result in visibility falling below half a mile.
* 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.
* WHAT...Snow expected. Total snow accumulations of four to eight
inches. Winds gusting as high as 35 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...Heavy mixed precipitation. Total snow accumulations of one
to four inches and ice accumulations around a light glaze.
* WHERE...Lower Columbia River and Cowlitz River Valleys.
* WHEN...Until noon PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Heavy mixed precipitation. Total snow accumulations of one
to three inches and ice accumulations around one tenth of an inch.
Winds gusting as high as 40 mph in the eastern Portland/Vancouver
Metro.
* 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.
* WHAT...Heavy mixed precipitation expected. Total snow
accumulations of two to four inches and ice accumulations around
one tenth of an inch.
* WHERE...North Oregon Coast Range, North Oregon Coast Range
Lowlands, and 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.
* WHAT...Mixed precipitation. Total snow accumulations up to one
inch and ice accumulations around a light glaze.
* 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...Significant icing. Total ice accumulations between one
tenth and 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 widespread and long-lasting
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, power
outages are possible.
* WHAT...Snow. Additional snow accumulations of 1 to 3 inches. Winds
gusting 40 to 60 mph in the southern Grande Ronde Valley through
this evening.
* WHERE...Grande Ronde Valley.
* WHEN...Until 10 PM PST Friday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow and strong winds.
* ADDITIONAL DETAILS...The combination of strong winds, blowing and
drifting snow, and ongoing snowfall is expected to periodically
reduce visibilities to one-half mile or less through this
afternoon.
* 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 one-half inch to two
inches.
* WHERE...John Day Basin.
* WHEN...Until 4 PM PST Friday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
