* 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.
* WHAT...Heavy mixed precipitation Above 3500 feet. Additional snow
accumulations up to 14 inches and ice accumulations around a light
glaze.
* WHERE...South Washington Cascades.
* WHEN...Until 4 PM PST Monday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* 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...Heavy snow. Additional snow accumulations of 3 to 12
inches, heaviest along the Cascade crest above 4000 feet.
* WHERE...Upper Slopes of the Eastern Washington Cascades Crest.
* 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.
* 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...Snow. Additional snow accumulations of one-half inch to two
inches.
* WHERE...Lower Slopes of the Eastern Washington Cascades Crest.
* WHEN...Until 4 AM PST Monday.
* IMPACTS...Plan on slippery road 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...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.