* 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.
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.
* WHAT...Visibility one quarter mile or less in freezing dense fog.
* WHERE...Odessa, Ritzville, Rockford, Airway Heights, Fairfield,
Davenport, Wilbur, Creston, Cheney, Spokane Valley, Grand Coulee,
Harrington, Downtown Spokane, and Coulee City.
* WHEN...Until 7 AM PST Monday.
* IMPACTS...Low visibility in addition to patches of freezing
drizzle could make driving conditions slick and hazardous.
Through midnight, areas of dense freezing fog will produce
visibilities of 1/4 mile in the Central Columbia Basin and West
Plains. This includes sections of Interstate 90 between Airway
Heights and Ritzville and Highway 2 between Airway Heights and
Wilbur.
Weather spotters have confirmed visibility as low as 1/8 mile in
the vicinity of Ritzville. Motorists should be prepared for
rapidly changing conditions in visibility and allow extra time for
travel tonight.
* WHAT...Heavy snow. Additional snow accumulations 7 to 10 inches
across the highest elevations.
* WHERE...Peola, Anatone, Mountain Road, and Cloverland Road.
* WHEN...Until 4 AM PST Tuesday.
* IMPACTS...Travel could be very difficult.
* WHAT...Heavy snow at or above elevations greater than 2500 ft.
Additional snow accumulations up to 6 to 10 inches.
* WHERE...West Slopes North Central Cascades and Passes and West
Slopes South Central Cascades and Passes.
* WHEN...Until 10 AM PST Monday.
* IMPACTS...Travel could be very difficult.
* WHAT...Heavy snow at or above elevations greater than 2500 ft.
Additional snow accumulations up to 2 to 6 inches.
* WHERE...West Slopes North Cascades and Passes.
* WHEN...Until 10 AM PST Monday.
* IMPACTS...Plan on slippery road conditions.
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.
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.
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.