Patchy dense fog is blanketing portions of the Blue Mountain
foothills with visibility of one-quarter mile or less reported in
some places, including along I-84 and OR-11. Be prepared for
sudden changes in visibility, slow down, and use low-beam
headlights if encountering dense fog. Temperatures are below
freezing in many locations so roadways may be slick.
* WHAT...Heavy snow. Additional snow accumulations of 8 to 24 inches
above 4000 feet along the Cascade crest.
* WHERE...East Slopes of the Oregon Cascades.
* WHEN...Until 4 PM PST Monday.
* IMPACTS...Significant snowfall with periods of heavy snowfall
rates will combine with low visibility to create very difficult
driving conditions.
* ADDITIONAL DETAILS...Additional snow accumulations below 4000 feet
within the zone are expected to be one-half inch to two inches.
* WHAT...Heavy snow. Additional snow accumulations of 6 to 12 inches
between 3500 to 4500 feet, and 12 to 24 inches above 4500 feet.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 4 PM PST Monday.
* IMPACTS...Heavy snowfall and very low visibility will create
extremely dangerous driving conditions.
* WHAT...Freezing rain. Additional ice accumulations around a light
glaze.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Foothills of the Blue Mountains of
Washington.
* WHEN...Until 1 PM PST this afternoon.
* IMPACTS...Very slippery sidewalks, roads and bridges are possible.
* WHAT...Heavy snow expected. Total snow accumulations between 8 to
18 inches, with local amounts up to 25 inches near Crater Lake.
Winds gusting as high as 40 mph.
* WHERE...The southern Oregon Cascades, this includes highway's 138,
and 230 near Diamond Lake, highway 138 east of Diamond Lake.
Highway 62 near Crater Lake, and highway 140 near Lake of the
Woods.
* WHEN...Until 4 PM PST Monday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the morning commute Sunday and
Monday morning.
* ADDITIONAL DETAILS...This will be a persistent long duration event
with the highest concern for snow covered roads Sunday morning,
and again around sunset Sunday until Monday afternoon. Also there
is a good chance (70-90%) for snowfall rates of an inch per hour
late Sunday afternoon through Sunday night.
* WHAT...Heavy snow and light freezing rain. Total snow
accumulations of 10 to 18 inches above 4000 feet, and ice
accumulations up to one-tenth of an inch.
* WHERE...East Slopes of the Oregon Cascades.
* WHEN...Until 4 PM PST Monday.
* IMPACTS...Significant snowfall with periods of heavy snowfall
rates will combine with low visibility to create very difficult
driving conditions.
* ADDITIONAL DETAILS...Light freezing rain is forecast in sheltered
valleys along the east slopes of the Oregon Cascades into late
Sunday morning, with total ice accumulations of one-tenth of an
inch or less. Total snow accumulations below 4000 feet within the
zone, such as La Pine and Sunriver, are expected to be less than
an inch.
* WHAT...Heavy snow. Total snow accumulations of 6 to 12 inches
between 4000 to 4500 feet, and 12 to 24 inches above 4500 feet.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 4 PM PST Monday.
* IMPACTS...Heavy snowfall and very low visibility will create
extremely dangerous driving conditions.
* WHAT...Freezing rain. Total ice accumulations up to a tenth of an
inch.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Foothills of the Blue Mountains of
Washington.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Very slippery sidewalks, roads and bridges are possible.
* WHAT...Mixed precipitation. Additional snow accumulations up to
one inch and ice accumulations around a light glaze.
* WHERE...Lower Columbia Basin of Oregon and Washington.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Even light snowfall and ice amounts can accumulate on
roads and cause dangerous driving conditions due to slippery and
snow-covered roads.
* WHAT...Heavy snow expected. Total snow accumulations of 1 to 2
feet.
* WHERE...Northern and Central Oregon Cascades.
* WHEN...Until 10 AM PST Monday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Mixed precipitation. Additional snow accumulations up to
one inch and ice accumulations around one tenth of an inch.
* WHERE...Upper Hood River Valley.
* WHEN...Until 1 PM PST this afternoon.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Heavy snow expected. Total snow accumulations between 10
and 20 inches, with local amounts up to 30 inches near Crater
Lake. Winds gusting as high as 40 mph.
* WHERE...The southern Oregon Cascades, this includes highway's 138,
and 230 near Diamond Lake, highway 138 east of Diamond Lake.
Highway 62 near Crater Lake, and highway 140 near Lake of the
Woods.
* WHEN...From 10 PM this evening to 4 PM PST Monday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the morning commute Sunday and
Monday morning.
* ADDITIONAL DETAILS...This will be a persistent long duration event
with the highest concern for snow covered roads later tonight
through Sunday morning, and again around sunset Sunday until
Monday afternoon. Also there is a good chance (70-90%) for
snowfall rates of an inch per hour late Sunday afternoon through
Sunday night.
* WHAT...Heavy snow expected. Total snow accumulations of 1 to 2
feet.
* WHERE...Northern and Central Oregon Cascades.
* WHEN...From 10 PM this evening to 10 AM PST Monday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Mixed precipitation expected. Total snow accumulations up
to 3 inches and ice accumulations around one tenth of an inch.
* WHERE...Upper Hood River Valley.
* WHEN...Until 1 PM PST Sunday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Heavy snow and light freezing rain. Total snow
accumulations of 7 to 18 inches above 4000 feet, and ice
accumulations up to one-tenth of an inch.
* WHERE...East Slopes of the Oregon Cascades.
* WHEN...From 10 PM this evening to 4 PM PST Monday.
* IMPACTS...Significant snowfall with periods of heavy snowfall
rates will combine with low visibility to create very difficult
driving conditions.
* ADDITIONAL DETAILS...Light freezing rain is forecast in sheltered
valleys along the east slopes of the Oregon Cascades Saturday
night into Sunday morning, with total ice accumulations of
one-tenth of an inch or less. Total snow accumulations below 4000
feet within the zone, such as La Pine and Sunriver, are expected
to be 1 to 4 inches.
* WHAT...Heavy snow. Total snow accumulations of 6 to 12 inches
between 4000-4500 feet, and 12 to 24 inches above 4500 feet.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 4 PM PST Monday.
* IMPACTS...Heavy snowfall and very low visibility will create
extremely dangerous driving conditions.
* ADDITIONAL DETAILS...I-84 through the Blue Mountains, including
Meacham, is expected to receive 4 to 8 inches of snow. Snow
accumulation of up to 6 inches is expected below 4000 feet.
* WHAT...Light snow and freezing rain. Total snow accumulations up
to one inch and ice accumulations up to one-tenth of an inch.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Foothills of the Blue Mountains of
Washington.
* WHEN...Until 10 AM PST Sunday.
* IMPACTS...Even light ice and snowfall amounts can accumulate on
roads and cause dangerous driving conditions due to slippery and
snow-covered roads.
* ADDITIONAL DETAILS...Freezing rain is most likely in the Walla
Walla Valley where up to one-tenth of an inch of ice is expected.
Lighter ice accumulations of up to several hundredths of an inch
are expected elsewhere.
* WHAT...Snow and light freezing rain. Total snow accumulations up
to one inch and ice accumulations up to one-tenth of an inch.
* WHERE...Lower Columbia Basin of Oregon and Washington.
* WHEN...Until 10 AM PST Sunday.
* IMPACTS...Even light ice and snowfall amounts can accumulate on
roads and cause dangerous driving conditions due to slippery and
snow-covered roads.
* ADDITIONAL DETAILS...Precipitation is expected to start as snow
Saturday evening, before transitioning into freezing rain during
the overnight hours, becoming all rain by late morning Sunday.
* WHAT...Sneaker waves possible.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...Through Monday morning.
* 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.
* ADDITIONAL DETAILS...Keep children and pets away from the surf
zone. Keep off of jetties, rocks and logs near the surf zone.
If you see someone swept into the sea do not swim in after
them. Call 911 and keep an eye on them until help arrives.
* WHAT...Sneaker waves possible.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...From late tonight through Sunday 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.
* ADDITIONAL DETAILS...Keep children and pets away from the surf
zone. Keep off of jetties, rocks and logs near the surf zone.
If you see someone swept into the sea do not swim in after
them. Call 911 and keep an eye on them until help arrives.