* WHAT...Heavy snow. Additional snow accumulations of 4 to 8 inches
above 4000 feet and 2 to 4 inches between 3500 and 4000 feet.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 4 AM PST Tuesday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions.
* WHAT...Heavy snow. Additional snow accumulations 8 to 15 inches
above 4000 feet and 3 to 6 inches between 3500 and 4000 feet.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
* ADDITIONAL DETAILS...I-84 through the Blue Mountains, including
Meacham, is expected to receive an additional 3 to 8 inches of
snow.
* WHAT...Heavy snow. Additional snow accumulations of 2 to 6 inches
above 4000 feet.
* WHERE...East Slopes of the Oregon Cascades.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
* ADDITIONAL DETAILS...Additional snow accumulations below 4000 feet
within the zone are expected to be less than one inch.
* WHAT...Snow. Additional snow accumulations up to 3 inches above
4000 feet.
* WHERE...Southern Blue Mountains of Oregon.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Travel could be difficult due to periods of moderate
snow.
* WHAT...Snow. Additional snow accumulations up to two inches above
4000 feet.
* WHERE...Ochoco-John Day Highlands.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Even light snowfall amounts can accumulate on roads and
cause dangerous driving conditions due to slippery and
snow-covered roads.
* WHAT...Heavy snow Above 3500 feet. Additional snow accumulations
up to 6 inches.
* WHERE...Northern and Central Oregon Cascades.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
Rain and patchy freezing rain will continue across the Lower
Columbia Basin and the Blue Mountain Foothills through 9 AM this
morning. Temperatures are in the lower 30s, therefore drivers
should expect black ice on the roadways. Avoid cruise control and
maintain safe driving distances.
* WHAT...Heavy snow. Additional snow accumulations between 3 and 10
inches, with local amounts up to 13 inches near Crater Lake. Winds
gusting as high as 35 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 this afternoon.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the Monday morning commute.
* WHAT...Sneaker waves possible.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...Through this afternoon.
* 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...Heavy snow above 3500 feet. Additional snow accumulations
of 11 to 15 inches.
* WHERE...Northern and Central Oregon Cascades.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Freezing rain above 1000 feet. Ice accumulations up to one
tenth of an inch.
* WHERE...Upper Hood River Valley.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Heavy mixed precipitation Above 4000 feet. Additional snow
accumulations up to 10 inches and ice accumulations around a light
glaze.
* WHERE...East Slopes of the Oregon Cascades.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions.
* WHAT...Snow. Total snow accumulations of 1 to 4 inches between
4000 and 4500 feet and 2 to 6 inches above 4500 feet.
* WHERE...Ochoco-John Day Highlands.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
* WHAT...Heavy snow Above 4000 feet. Additional snow accumulations 8
to 15 inches.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
* 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...Snow above 4000 feet. Additional snow accumulations up to 6
inches.
* WHERE...Southern Blue Mountains of Oregon.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
* WHAT...Snow and freezing rain. Snow accumulations of 1 to 3
inches. Ice accumulations around a light glaze.
* WHERE...Grande Ronde Valley.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Very slippery sidewalks, roads and bridges are possible.
Rain and patchy freezing rain will continue across the Lower
Columbia Basin and the Blue Mountain Foothills through early
Monday morning. Temperatures are in the lower 30s, therefore
drivers should expect black ice on the roadways. Avoid cruise
control and maintain safe driving distances.
Patchy dense fog has been observed across portions of the Blue
Mountain foothills with visibilities of one-quarter mile or less,
primarily along the I-84 and OR-11 corridors. Motorists are urged
to use caution if traveling in these areas as visibilities could
change rapidly.
* 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.
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.