* 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 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 above 5000 feet. Snow accumulations of 7 to 15
inches with up to 30 inches over the back country, including
Crater Lake. Southerly winds gusting as high as 45 mph.
* WHERE...Mt Ashland Ski Road and the Oregon Cascades above 5000
feet. This includes highways 138 and 230 near Diamond Lake
Junction, 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
near impossible traveling to Crater Lake.
* ADDITIONAL DETAILS...Snow levels will be around 4500 to 5000
feet. Snow levels will be highest during this afternoon and late
Thursday into Thursday night. Snowfall rates around 1" an hour
for most of today and Thursday afternoon into Thursday evening
will be the times of greatest travel difficulties.
* View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* WHAT...Snow. Accumulations of 3 to 7 inches, except up to 14
inches over high remote terrain. South to southwest winds
gusting as high as 45 mph.
* WHERE...In California, Eastern Modoc County. In Oregon,
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 from valley floors to
5500 feet through the event, with a majority of the snow at
elevations above 4500 feet. Snow levels will be highest
Thursday afternoon and night.
* View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* WHAT...Heavy snow expected. Total snow accumulations of 8 to 16
inches expected, with up to 24 inches possible above 2000 feet.
* WHERE...Upper Hood River Valley.
* WHEN...From 8 AM this morning to 10 PM PST Thursday.
* IMPACTS...Travel will be very difficult. The hazardous
conditions could impact the commutes Wednesday evening and
Thursday morning.
* WHAT...Heavy snow. Total snow accumulations of 1 to 2 feet.
Winds gusting as high as 35 mph.
* WHERE...Cascades in Lane County above 3500 feet.
* 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...Heavy snow. Total snow accumulations of up to 18 inches,
except up to 30 inches near Mount Hood.
* 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 expected. Total snow accumulations of 2 to 5
inches, except locally up to 12 inches of snow accumulation
north of Highway 26.
* WHERE...Northern Oregon Cascade Foothills.
* WHEN...From 10 AM this morning to 10 PM PST Thursday.
* IMPACTS...Travel could be very difficult.
* 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 expected. Total snow accumulations of 4 to 8
inches expected at river level, with 8 to 16 inches above 500
feet. Winds gusting as high as 50 mph.
* WHERE...Western and Central Columbia River Gorge.
* WHEN...From 8 AM this morning to 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...Wet snow expected. Total snow accumulations of up to 3
inches. 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 Thursday morning's commute.
* ADDITIONAL DETAILS...While the primary impacts are expected to
occur later tonight into Thursday, there is roughly a 20 percent
chance accumulating snow will impact this evening's commute. If
and when precipitation does change to snow, it can likely be
assumed that precipitation will remain snow until tapering off
to drizzle or light rain Thursday. 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...Wet snow expected. Total snow accumulations of 2 to 5
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...From 10 AM this morning to 4 PM PST Thursday.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...In Oregon, Greater Portland Metro Area. In Washington,
Greater Vancouver Area.
* WHEN...Until 8 AM PST this morning.
* IMPACTS...Hazardous driving conditions due to low visibility.
* ADDITIONAL DETAILS...Fog will become patchy after sunrise and
quickly dissipate.
* WHAT...Snow expected. Snow accumulations 1 to 3 inches, except 3
to 7 inches west of Mosier, including White Salmon.
* WHERE...In Oregon, Eastern Columbia River Gorge of Oregon. In
Washington, Eastern Columbia River Gorge of Washington.
* WHEN...From 10 AM Wednesday to 4 AM PST Friday.
* IMPACTS...Travel could be very difficult. I-84 will be
impacted by snow.
* ADDITIONAL DETAILS...Snow amounts will vary significantly across
the advised area. Areas in the far eastern Gorge, such as
Arlington and Biggs Junction, may see primarily rain and no
snow.
* WHAT...Heavy snow expected. Total snow accumulations of 3 to 6
inches.
* WHERE...Foothills of the Southern Blue Mountains of Oregon.
* WHEN...From 10 AM this morning to 4 AM PST Friday.
* IMPACTS...Plan on slippery road conditions.
