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. 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.
