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* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...From late tonight through Sunday evening. * IMPACTS...Waves can run up significantly farther on a beach than normal, including over rocks and jetties. Sneaker waves can suddenly knock people off of their feet and quickly pull them into the frigid ocean which may lead to serious injury or drowning. * ADDITIONAL DETAILS...Keep children and pets away from the surf zone. Keep off of jetties, rocks and logs near the surf zone. If you see someone swept into the sea do not swim in after them. Call 911 and keep an eye on them until help arrives.

* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...From late tonight through Sunday evening. * IMPACTS...Waves can run up significantly farther on a beach than normal, including over rocks and jetties. Sneaker waves can suddenly knock people off of their feet and quickly pull them into the frigid ocean which may lead to serious injury or drowning. * ADDITIONAL DETAILS...Keep children and pets away from the surf zone. Keep off of jetties, rocks and logs near the surf zone. If you see someone swept into the sea do not swim in after them. Call 911 and keep an eye on them until help arrives.

* WHAT...Snow expected at or above elevations greater than 2500 ft. Total snow accumulations between 4 and 10 inches. * WHERE...West Slopes North Cascades and Passes. * WHEN...From 10 AM Saturday to 10 AM PST Monday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...The heaviest snowfall will occur between Saturday night and Sunday morning.

* WHAT...Snow expected at or above elevations greater than 2500 ft. Total snow accumulations up to 8 to 14 inches through the passes. * WHERE...West Slopes North Central Cascades and Passes and West Slopes South Central Cascades and Passes. * WHEN...From 10 AM Saturday to 10 AM PST Monday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...The heaviest snowfall will occur between Saturday night and Sunday morning.

...MULTIPLE ROUNDS OF SNOW THROUGH THIS WEEKEND... .Light snow will continue over the Spokane Area, Palouse, Lewiston-Clarkston Valley, and Idaho Panhandle into early this evening. Snow will taper off tonight with snow showers lingering over the Central Panhandle Mountains into early Saturday morning. The next round of snow will begin to move into the Cascades Saturday afternoon. * WHAT...Snow expected. Total snow accumulations between 8 and 12 inches. * WHERE...Stevens Pass, Stehekin, and Holden Village. * WHEN...From 4 PM Saturday to 10 AM PST Monday. * IMPACTS...Winter travel conditions are expected. This will include travel on Highway 2 over Stevens Pass.

...MULTIPLE ROUNDS OF SNOW THROUGH THIS WEEKEND... .Light snow will continue over the Spokane Area, Palouse, Lewiston-Clarkston Valley, and Idaho Panhandle into early this evening. Snow will taper off tonight with snow showers lingering over the Central Panhandle Mountains into early Saturday morning. The next round of snow will begin to move into the Cascades Saturday afternoon. * WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...Portions of North and North Central Idaho and Southeast Washington. * WHEN...Until 8 PM PST this evening. * IMPACTS...Periods of light snow into the evening will produce winter driving conditions mainly side streets on untreated roads.

...MULTIPLE ROUNDS OF SNOW THROUGH THIS WEEKEND... .Light snow will continue over the Spokane Area, Palouse, Lewiston-Clarkston Valley, and Idaho Panhandle into early this evening. Snow will taper off tonight with snow showers lingering over the Central Panhandle Mountains into early Saturday morning. The next round of snow will begin to move into the Cascades Saturday afternoon. * WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...Fairfield, Post Falls, Downtown Spokane, Hayden, Davenport, Worley, Spokane Valley, Airway Heights, Cheney, Rockford, and Coeur d'Alene. * WHEN...Until 8 PM PST this evening. * IMPACTS...Periods of light snow into the evening will produce winter driving conditions mainly on side streets and untreated roads.

* WHAT...Heavy snow expected. Total snow accumulations up to 10 to 16 inches and ice accumulations around a light glaze. * WHERE...South Washington Cascades. * WHEN...From 10 AM Saturday to 10 AM PST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Snow expected. Total snow accumulations up to 20 inches. * WHERE...Northern and Central Oregon Cascades. * WHEN...From 10 PM Saturday to 10 AM PST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Mixed precipitation expected. Total snow accumulations up to two inches and ice accumulations around one tenth of an inch. * WHERE...Upper Hood River Valley. * WHEN...From 4 PM Saturday to 1 PM PST Sunday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Snow. Total snow accumulations of 6 to 12 inches. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...From 4 PM Saturday to 10 AM PST Monday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions. * ADDITIONAL DETAILS...Heaviest snowfall is forecast Saturday night through Sunday.

* WHAT...Snow and light freezing rain. Total snow accumulations of 2 to 6 inches and ice accumulations of one-tenth of an inch or less. * WHERE...Lower Slopes of the Eastern Washington Cascades Crest. * WHEN...From 4 PM Saturday to 4 AM PST Monday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow. * ADDITIONAL DETAILS...Light freezing rain is forecast in sheltered valleys along the east slopes of the Washington Cascades Saturday night into Sunday morning, with total ice accumulations of one-tenth of an inch or less.

* WHAT...Snow. Additional snow accumulations of 1 to 3 inches. * WHERE...Blue Mountains of Oregon and Washington. * WHEN...Until 10 PM PST this evening. * IMPACTS...Plan on slippery road conditions.

* WHAT...Snow and light freezing rain. Total snow accumulations of 5 to 10 inches above 4000 feet along the Cascade crest and 1 to 3 inches along US-97 south of Bend. Ice accumulations of one-tenth of an inch or less. * WHERE...East Slopes of the Oregon Cascades. * WHEN...From 10 PM Saturday to 10 AM PST Monday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions. * ADDITIONAL DETAILS...Light freezing rain is forecast in sheltered valleys along the east slopes of the Oregon Cascades Saturday night into Sunday morning, with total ice accumulations of one-tenth of an inch or less.

* WHAT...Snow. Additional snow accumulations of 1 to 3 inches. * WHERE...Blue Mountains of Oregon and Washington. * WHEN...Until 10 PM PST this evening. * IMPACTS...Plan on slippery road conditions.

Surf conditions will continue to improve this afternoon and tonight. Therefore, the high surf advisory will be allowed to expire.

* WHAT...Snow expected. Total snow accumulations between 6 and 12 inches, with local amounts up to 17 inches near Crater Lake. Winds gusting as high as 35 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...From 10 PM Saturday to 10 AM 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 from around sunset Saturday until the late morning hours Sunday, and again around sunset Sunday until late Monday morning.

* WHAT...Heavy snow. Additional snow accumulations up to 2 inches. * WHERE...Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley. * WHEN...Until 10 PM PST this evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Snow. Additional snow accumulations up to 4 inches. * WHERE...Northern and Central Cascades and Foothills in Oregon, and South Washington Cascades. * WHEN...Until 10 PM PST this evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Snow. Additional snow accumulations up to 4 inches. * WHERE...Northern and Central Cascades and Foothills in Oregon, and South Washington Cascades. * WHEN...Until 10 PM PST this evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.