* 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. 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.
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 at or above elevations greater than 2500 ft.
Additional snow accumulations of 8 to 14 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 of 5 to 10 inches.
* WHERE...West Slopes North Cascades and Passes.
* WHEN...Until 10 AM PST Monday.
* IMPACTS...Travel could be very difficult.
* WHAT...Heavy snow. Additional snow accumulations 8 to 12 inches
across the highest elevations.
* WHERE...Mountain Road, Peola, Anatone, and Cloverland Road.
* WHEN...Until 4 AM PST Tuesday.
* IMPACTS...Travel could be very difficult.
* WHAT...Wet snow. Additional snow accumulation less than 1 inch.
* WHERE...Alpowa Summit, Coulee City, Clarkston, Ritzville, Wilbur,
Pomeroy, Grand Coulee, Odessa, Harrington, and Creston.
* WHEN...Until 11 AM PST this morning.
* IMPACTS...Plan on slick road conditions.
* WHAT...Heavy snow. Additional snow accumulations of 3 to 12
inches, heaviest along the Cascade crest.
* 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 up 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...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. Additional snow accumulations 8 to 12 inches
across the highest elevations.
* WHERE...Mountain Road, Peola, Cloverland Road, and Anatone.
* WHEN...Until 4 PM PST Monday.
* IMPACTS...Travel could be very difficult.
* WHAT...Snow. Additional snow accumulations between a half an inch
and 2 inches. Locally up to 3 inches near and along the Idaho
border.
* WHERE...Spokane area, Okanogan Highlands, Northeast Washington,
Upper Columbia Basin, Washington Palouse, Lower Garfield and
Asotin counties.
* WHEN...Until 11 AM PST this morning.
* IMPACTS...Plan on slippery road conditions.
* ADDITIONAL DETAILS...Patches of freezing rain possible along US
Highway 12.
Light snow has fallen overnight across the Yakima Valley, leading
to light accumulations across roadways. Snow is expected to
continue intermittently through the late morning. Total snow
accumulations may approach 2 inches. Motorists are urged to use
caution and drive slowly should they choose to travel this
morning.
