* WHAT...Heavy snow. Additional snow accumulations of 3 to 8
inches.
* WHERE...North Central Oregon.
* WHEN...Until 4 AM PST Friday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the morning or evening
commute.
* WHAT...Heavy snow. Additional snow accumulations of 3 to 6
inches.
* WHERE...Foothills of the Southern Blue Mountains of Oregon.
* WHEN...Until 4 AM PST Friday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the morning or evening commute.
* WHAT...Heavy snow. Additional snow accumulations of 10 to 20
inches, locally heavier particularly along the crests and
passes. Additional accumulations of 3 to 6 inches for the lower
slopes of the Cascades including La Pine, Sunriver, Sisters, and
Camp Sherman.
* WHERE...East Slopes of the Oregon Cascades.
* WHEN...Until 4 AM PST Friday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the morning or evening
commute.
* WHAT...Snow. Additional snow accumulations of 4 to 10 inches
above 4000 feet.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 4 AM PST Friday.
* IMPACTS...Travel could be very difficult. The hazardous
conditions could impact the morning or evening commute.
* WHAT...Snow. Additional snow accumulations of up to 1 to 3
inches.
* WHERE...Central Oregon.
* WHEN...Until 10 AM PST Thursday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the morning or evening commute.
* WHAT...Snow. Additional snow accumulations of 7 to 12 inches.
Winds gusting as high as 40 mph.
* WHERE...In California, elevations above 5000 feet in Modoc
County. In Oregon, elevations above 5000 feet in the Klamath
Basin, Northern and Eastern Klamath County and Western Lake
County and Central and Eastern Lake County. This includes
highways 97 and 232 north of Chiloquin, highway 140 near Bly
and over the Warners, and highway 299 over Cedar Pass.
* WHEN...Until 4 AM PST Friday.
* IMPACTS...Travel could be difficult. Plan on slippery road
conditions. The hazardous conditions could impact the morning
or evening commute.
* ADDITIONAL DETAILS...Snow levels will vary through the event
from 4000 feet tonight up to 5000 feet Thursday afternoon.
* View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* WHAT...Heavy snow above 5000 feet. Additional snow accumulations
of 15 to 20 inches with up to 35 inches over high remote
terrain. Winds gusting as high as 40 mph over exposed terrain.
* WHERE...Elevations above 5000 feet in the South Central Oregon
Cascades. This includes highways 58 near Willamette Pass, 138
and 230 near Diamond Lake Junction and highway 62 near Crater
Lake and Crater Lake Park.
* WHEN...Until 4 AM PST Friday.
* IMPACTS...Travel could be difficult in the high Cascades and
impossible traveling to Crater Lake. Patchy blowing snow could
significantly reduce visibility.
* ADDITIONAL DETAILS...Snow levels will vary through the event
from 4000 feet tonight up to 5000 feet Thursday afternoon.
Snowfall rates could reach 1" an hour for long periods of time on
Thursday.
* View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* WHAT...Snow above 5000 feet. Additional snow accumulations of 10
to 14 inches with up to 36 inches over high remote terrain.
Winds gusting as high as 40 mph over exposed terrain.
* WHERE...Siskiyou Mountains and Southern Oregon Cascades. This
includes the Mt Ashland Ski Road and Lake of the Woods.
* WHEN...Until 4 AM PST Friday.
* IMPACTS...Travel could be difficult in the high Cascades or
Siskiyous.
* ADDITIONAL DETAILS...Snow levels will vary through the event
from 4000 feet tonight up to 5000 feet Thursday afternoon.
* View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* WHAT...Heavy snow. Additional snow accumulations of 4 to 8
inches at river levels, with 8 to 16 inches above 500 feet.
Winds gusting as high as 50 mph.
* WHERE...In Oregon, Western Columbia River Gorge and Central
Columbia River Gorge. In Washington, Western Columbia River
Gorge and Central Columbia River Gorge.
* WHEN...Until 10 PM PST Thursday.
* IMPACTS...Travel could be very difficult, even along Interstate
84 and Washington SR-14. The combination of heavy snow and gusty
winds may lead to whiteout conditions at times. Gusty winds
could bring down tree branches and cause localized power
outages. The hazardous conditions could impact the commutes
Wednesday evening and Thursday morning.
* WHAT...Heavy snow. Additional snow accumulations up to 12
inches, except up to 24 inches above 2000 feet and locally up
to 30 inches in eastern Skamania County. Winds gusting as high
as 50 mph, mainly near the Columbia River Gorge.
* WHERE...South Washington Cascades and South Washington Cascade
Foothills.
* WHEN...Until 10 PM PST Thursday.
* IMPACTS...Travel could be very difficult. Patchy blowing snow
could significantly reduce visibility. Gusty winds could bring
down tree branches.
* ADDITIONAL DETAILS...Snow levels will range from river level
near the Columbia River Gorge and eastern Skamania County to
2000 feet in northern Cowlitz County. Heaviest snow above 2000
feet.
* WHAT...Wet snow. Additional snow accumulations of 2 to 6
inches, except 5 to 10 inches above 2000 feet. Winds gusting as
high as 35 mph.
* WHERE...In Oregon, Coast Range of Northwest Oregon. In
Washington, Willapa Hills.
* WHEN...Until 4 PM PST Thursday.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Wet snow. Total snow accumulations of up to one inch.
Winds gusting as high as 40 mph.
* WHERE...In Oregon, Lower Columbia and Greater Portland Metro
Area. In Washington, I-5 Corridor in Cowlitz County and
Greater Vancouver Area.
* WHEN...From 8 PM this evening to 4 PM PST Thursday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the morning commute.
* ADDITIONAL DETAILS...Most likely areas to be impacted are north
and east of Interstate 205, as well as elevations above 500 feet
and the eastern slopes of the Coast Range in western Washington
County.
* WHAT...Heavy snow. Additional snow accumulations of 4 to 8
inches at river levels, with 8 to 16 inches above 500 feet.
Winds gusting as high as 50 mph.
* WHERE...In Oregon, Western Columbia River Gorge and Central
Columbia River Gorge. In Washington, Western Columbia River
Gorge and Central Columbia River Gorge.
* WHEN...Until 10 PM PST Thursday.
* IMPACTS...Travel could be very difficult, even along Interstate
84 and Washington SR-14. The combination of heavy snow and gusty
winds may lead to whiteout conditions at times. Gusty winds
could bring down tree branches and cause localized power
outages. The hazardous conditions could impact the commutes
Wednesday evening and Thursday morning.
* WHAT...Heavy snow. Additional snow accumulations of 1 to 2 feet.
Winds gusting as high as 45 mph.
* WHERE...Cascades in Lane County.
* WHEN...Until 10 PM PST Thursday.
* IMPACTS...Travel could be very difficult. The combination of
heavy snow and gusty winds may lead to whiteout conditions at
times.
* ADDITIONAL DETAILS...Snow accumulations will be heaviest above
4500 feet. Gusty winds could bring down tree branches.
* WHAT...Wet snow. Additional snow accumulations of 2 to 4 inches,
except locally up to 12 inches of snow accumulation north of
Highway 26. Winds gusting as high as 45 mph.
* WHERE...Northern Oregon Cascade Foothills.
* WHEN...Until 10 PM PST Thursday.
* IMPACTS...Plan on slippery road conditions.
* ADDITIONAL DETAILS...Snow levels will range from around 3000
feet south of Detroit Lake, to 1500 to 2000 feet north of
Detroit Lake and 1000 feet or lower near the Columbia River
Gorge.
* WHAT...Heavy snow. Additional snow accumulations of 8 to 16
inches expected, with up to 24 inches possible above 2000 feet.
* WHERE...Upper Hood River Valley.
* WHEN...Until 10 PM PST Thursday.
* IMPACTS...Travel could be very difficult. The hazardous
conditions could impact the commutes Wednesday evening and
Thursday morning.
* WHAT...Heavy snow. Additional snow accumulations of up to 18
inches, except up to 30 inches near Mount Hood. Winds gusting as
high as 35 mph.
* WHERE...Northern Oregon Cascades.
* WHEN...Until 10 PM PST Thursday.
* IMPACTS...Travel could be very difficult. Patchy blowing snow
could significantly reduce visibility.
* ADDITIONAL DETAILS...Snow levels near 3500 feet south of Detroit
Lake, but lowering down to 2000 feet north of Detroit Lake and
1000 feet or lower near the Columbia River Gorge.
* WHAT...Wet snow. Additional snow accumulations of 2 to 6
inches, except 5 to 10 inches above 2000 feet. Winds gusting as
high as 35 mph.
* WHERE...In Oregon, Coast Range of Northwest Oregon. In
Washington, Willapa Hills.
* WHEN...Until 4 PM PST Thursday.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Wet snow. Total snow accumulations of up to one inch.
Winds gusting as high as 40 mph.
* WHERE...In Oregon, Lower Columbia and Greater Portland Metro
Area. In Washington, I-5 Corridor in Cowlitz County and
Greater Vancouver Area.
* WHEN...From 8 PM this evening to 4 PM PST Thursday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the morning commute.
* ADDITIONAL DETAILS...Most likely areas to be impacted are north
and east of Interstate 205, as well as elevations above 500 feet
and the eastern slopes of the Coast Range in western Washington
County.
* WHAT...Snow expected. Total snow accumulations of up to 12 to 15
inches.
* WHERE...Cascade mountains and valleys of Pierce and Lewis
Counties, including the Crystal Mountain Ski Area, Paradise on
Mount Rainier, Ashford, Randle, and Packwood.
* WHEN...Until 10 PM PST Thursday.
* IMPACTS...Plan on very difficult travel.