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.
* WHAT...Heavy snow Above 3500 feet. Additional snow accumulations 1
to 2 feet.
* WHERE...Northern and Central Oregon Cascades.
* WHEN...Until 4 PM PST Monday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* 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...From 4 PM this afternoon to 4 PM PST Monday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
* WHAT...Snow. Total snow accumulations of 2 to 6 inches between
4000 and 4500 feet and 4 to 9 inches between 4500 and 5500 feet.
* WHERE...Southern Blue Mountains of Oregon.
* WHEN...From 4 PM this afternoon to 4 PM PST Monday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions.
* ADDITIONAL DETAILS...Snow accumulations of 8 to 16 inches are
expected above 5500 feet.
* 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.
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.
