* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...In Oregon, Eastern Columbia River Gorge of Oregon. In
Washington, Lower Columbia Basin of Washington.
* WHEN...Until noon PST today.
* IMPACTS...Low visibility could make driving conditions hazardous.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...South Willamette Valley, Lower Columbia River and Cowlitz
River Valleys, Tualatin Valley, Portland West Hills and Chehalem
Mountain, East Central Willamette Valley, and South Washington
Cascade Foothills.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...In areas with temperatures below 30 degrees,
fog may freeze on surfaces and accumulate. Freezing fog is not
expected to be widespread.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...In Oregon, Inner Portland Metro. In Washington, Inner
Vancouver Metro and North Clark County Lowlands.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...In areas with temperatures below 30 degrees,
fog may freeze on surfaces and accumulate. Freezing fog is not
expected to be widespread. As the winds become easterly, fog will
lift in the eastern metro area.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...South Willamette Valley, Lower Columbia River and Cowlitz
River Valleys, Tualatin Valley, Portland West Hills and Chehalem
Mountain, East Central Willamette Valley, and South Washington
Cascade Foothills.
* WHEN...Until 10 AM PST Tuesday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...In Oregon, Inner Portland Metro. In Washington, Inner
Vancouver Metro and North Clark County Lowlands.
* WHEN...Until 10 AM PST Tuesday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* WHAT...Visibility at 1 mile or less with areas of quarter mile or
less as well as areas of freezing fog.
* WHERE...Lower Columbia Basin of Oregon and Washington, Eastern
Columbia River Gorge of Oregon, Northern Blue Mountains of Oregon,
Foothills of the Northern Blue Mountains of Oregon, and Foothills
of the Blue Mountains of Washington.
* WHEN...Until noon PST Tuesday.
* IMPACTS...Low visibility and areas of freezing fog could make
driving conditions hazardous.
* WHAT...Visibility one quarter to one half mile in areas of dense
fog and localized freezing fog.
* WHERE...Southwest Interior.
* WHEN...Until 10 AM PST Tuesday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Areas of sub-freezing temperatures into
Tuesday morning may cause localized freezing fog.
* WHAT...Visibility one quarter to one half mile in dense freezing
fog.
* WHERE...Harrington, Ritzville, Badger Mountain Road, Coulee City,
Odessa, Wilbur, Waterville, Creston, Mansfield, and Grand Coulee.
* WHEN...Until noon PST Tuesday.
* IMPACTS...Low visibility could make driving conditions hazardous.
In addition, below freezing temperatures could result in slick
roadways.
* WHAT...Visibility at 1 mile or less with areas of quarter mile or
less
* WHERE...Lower Columbia Basin of Oregon and Washington, Eastern
Columbia River Gorge of Oregon between Arlington and Boardman,
Northern Blue Mountains of Oregon, primarily along the I-84
Corridor, Foothills of the Northern Blue Mountains of Oregon
primarily along the I-84 Corridor, and Foothills of the Blue
Mountains of Washington along Hwy 12.
* WHEN...Until 10 PM PST this evening.
* IMPACTS...Low visibility could make driving conditions hazardous.
Fog to heavy fog has begun to form along the I-84 corridor between
Arlington through Stanfield becoming progressively thicker as you
move east. Fog is slowly progressing eastward and is expected to
reach Pendleton. Fog has also been observed just north of the
Tri-Cities along the 395 as well as along the I-82 through Coffin
RD and steadily moving towards the city area. Visibilities range
from 1 mile to less than 1/4 of a mile. Please drive with caution.
Patchy dense freezing fog with near zero visibility has been
reported in the Columbia Basin this morning. Fog is particularly
dense along Interstate 90 around Ritzville, US-2 between Wilbur
and Coulee City, and WA-243 from Vantage to Desert Aire. Expect
rapid changes in visibility in this area. Use extra caution,
reduce speeds, and allow extra travel time. Fog is expected to
lift this afternoon.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Central and Southern Willamette Valley, North and Central
Coast Range Valleys of Oregon, Lower Columbia River and Cowlitz
River Valleys, Tualatin Valley, Portland West Hills and Chehalem
Mountain, Inner Portland Metro, Willapa and Wahkiakum Lowlands,
North Clark County Lowlands, Inner Vancouver Metro, and South
Washington Cascade Foothills.
* WHEN...Until noon PST Monday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Areas of fog and dense fog is forming across
the south and central Willamette Valley this evening, where skies
have cleared. As clouds break up elsewhere, will see areas of fog
and dense fog form overnight.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...South Washington and North and Central Oregon Coast.
* WHEN...Until 9 AM PST Monday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...As skies clear overnight, fog will be
forming. Expect areas of fog to be mainly in the lowlands along
rivers and near bays. As light east winds pick up Monday morning,
fog will thin and dissipate.
* WHAT...Snow above 4500 feet. Additional snow accumulations up to 4
inches.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 8 PM PST this evening.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Sneaker waves possible on the beaches.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...Until 10 PM PST this evening.
* IMPACTS...Waves can run up significantly farther on a beach
than normal, including over rocks and jetties. Sneaker waves
can suddenly knock people off of their feet and quickly pull
them into the frigid ocean which may lead to serious injury or
drowning.
* WHAT...Heavy snow. Additional snow accumulations between 6 and 10
inches above 3500 feet.
* WHERE...Stehekin, Holden Village, and Stevens Pass.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Motorists should be prepared for winter driving
conditions on Highway 2 over Stevens Pass.
* ADDITIONAL DETAILS...Snow totals for Stehekin and Coles Corner
will be between 1 and 3 inches.
* WHAT...Snow expected. Total snow accumulations 2 to 5 inches above
4000 feet.
* WHERE...Cloverland Road, Peola, and Mountain Road.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Winter driving conditions and localized drifting snow
will occur in the Blue Mountains of southeast Washington today
above 4000 feet.
* WHAT...Sneaker waves possible on the beaches.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...Through this evening.
* IMPACTS...Waves can run up significantly farther on a beach than
normal, including over rocks and jetties. Sneaker waves can
suddenly knock people off of their feet and quickly pull them
into the frigid ocean which may lead to serious injury or
drowning.
* WHAT...Snow above 3000 feet. Additional snow accumulations of 3 to
6 inches, except 8 to 12 inches above 5000 feet. Winds gusting as
high as 40 mph.
* WHERE...In Oregon, North Oregon Cascades. In Washington, South
Washington Cascades.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Travel could be difficult, including on US26 near
Government Camp and US20 at Santiam Pass.
* ADDITIONAL DETAILS...Snow levels will remain between 3000-3500
feet through Sunday evening. Snow showers will quickly diminish
Sunday evening into Sunday night as high pressure returns to the
area.
* WHAT...Heavy snow at or above elevations greater than 3000 ft.
Additional snow accumulations between 8 and 16 inches. Winds
gusting as high as 40 mph.
* WHERE...West Slopes South Central Cascades and Passes.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Travel could be very difficult
to impossible.
