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...WINTER WEATHER HIGHLIGHTS... .An upper level trough will push a warm front across the region this afternoon and overnight followed by a cold frontal passage late Sunday. Snow level will start out low today and then rise overnight through Sunday before lowering again late Sunday and overnight. This will produce some initial mountain snow late today and overnight before turning to rain then returning to snow late Sunday through Monday. * WHAT...Heavy snow expected above 2500 ft. Total snow accumulations around 10 inches impacting travel over the passes and upwards of 20 inches in the higher elevations. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...From 10 AM this morning to 10 PM PST Monday. Snow will begin late this afternoon then change over to rain overnight through Sunday and then return to snow Sunday afternoon and night. * IMPACTS...Heavy snowfall and very low visibility will create extremely dangerous driving conditions.

...WINTER WEATHER HIGHLIGHTS... .An upper level trough will push a warm front across the region this afternoon and overnight followed by a cold frontal passage late Sunday. Snow level will start out low today and then rise overnight through Sunday before lowering again late Sunday and overnight. This will produce some initial mountain snow late today and overnight before turning to rain then returning to snow late Sunday through Monday. * WHAT...Heavy snow expected Above 4000 ft. Total snow accumulations of 8 to 14 inches. Elevations below 4000 ft could see 3 to 7 inches. Winds gusting as high as 35 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...From 10 AM this morning to 10 PM PST Monday. Snow will begin tonight then change over to rain early Sunday before returning to snow Sunday night. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions.

...WINTER WEATHER HIGHLIGHTS... .An upper level trough will push a warm front across the region this afternoon and overnight followed by a cold frontal passage late Sunday. Snow level will start out low today and then rise overnight through Sunday before lowering again late Sunday and overnight. This will produce some initial mountain snow late today and overnight before turning to rain then returning to snow late Sunday through Monday. * WHAT...Heavy snow expected mainly along the Cascade crest with total snow accumulations between 8 and 15 inches. Lower elevations including LaPine, Sunriver, Sisters and Camp Sherman will see lesser amounts of snow on the order of 4 to 8 inches. Winds gusting as high as 35 mph may cause some blowing snow mainly along the Cascade crest. * WHERE...East Slopes of the Oregon Cascades. * WHEN...From 10 AM Sunday to 10 PM PST Monday. Some initial light snow will occur this evening then turning over to rain overnight before returning to snow late Sunday afternoon and night. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions.

...WINTER WEATHER HIGHLIGHTS... .An upper level trough will push a warm front across the region this afternoon and overnight followed by a cold frontal passage late Sunday. Snow level will start out low today and then rise overnight through Sunday before lowering again late Sunday and overnight. This will produce some initial mountain snow late today and overnight before turning to rain then returning to snow late Sunday through Monday. * WHAT...Heavy snow expected Above 4000 ft. Total snow accumulations of 8 to 14 inches. Elevations below 4000 ft could see 3 to 7 inches. Winds gusting as high as 35 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...From 10 AM this morning to 10 PM PST Monday. Snow will begin tonight then change over to rain early Sunday before returning to snow Sunday night. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions.

* WHAT...Heavy snow possible. Total snow accumulations between 6 and 12 inches possible for the Siskiyou Mountains and the Southern Oregon Cascades from Lake of the Woods southward. 12 to 18 inches possible north of Lake of the Woods. Winds could gust as high as 35 mph. * WHERE...The Southern Oregon Cascades and Siskiyou Mountains. This includes portions of highways 58, 230, 138, 62, 140, and 66. It also includes the areas of Willamette Pass, Crater Lake, Diamond Lake, Union Creek, Lake of the Woods, and Mount Ashland. * WHEN...From Sunday afternoon through Monday evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. * ADDITIONAL DETAILS...Snow levels will be around 6000 feet early Sunday afternoon then fall rapidly to pass levels by Sunday evening. Snow is then likely to continue through Monday evening.

* WHAT...Heavy snow possible Above 2500 feet. Total snow accumulations between 7 and 15 inches possible. * WHERE...Eastern Douglas County Foothills County. This includes Toketee Falls. * WHEN...From Sunday afternoon through Monday evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. * ADDITIONAL DETAILS...Snow levels will be around 6000 feet early Sunday afternoon then fall rapidly during Sunday evening. Snow levels will remain around 2500 to 3000 feet in Eastern Douglas County Sunday evening through Monday evening.

* WHAT...Heavy snow possible. Total snow accumulations between 4 and 12 inches possible. Winds could gust as high as 40 mph. * WHERE...Northern and Eastern Klamath County and Western Lake County County. This includes the cities of Crescent and Chemult, portions of Highway 97 and Highway 31, and the higher terrain. * WHEN...From Sunday afternoon through Monday evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult. The hazardous conditions could impact the Monday morning and evening commutes. * ADDITIONAL DETAILS...Snow levels will fall to valley floors during Sunday evening. 1 to 3 inches of snow is possible for other portions of south central Oregon.

* WHAT...Heavy snow expected above 2500 feet. Total snow accumulations of 10 to 20 inches. Winds gusting as high as 35 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...From 10 AM Sunday to 10 PM PST Monday. * IMPACTS...Travel will be very difficult.

* WHAT...Heavy snow expected above 2500 feet. Total snow accumulations of 10 to 20 inches. Winds gusting as high as 35 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...From 10 AM Sunday to 10 PM PST Monday. * IMPACTS...Travel will be very difficult.

* WHAT...Heavy snow possible. Total snow accumulations of 12 to 24 inches above 4000 feet and 1 to 6 inches in the valleys. * WHERE...Stehekin, Stevens Pass, Holden Village, Mazama, Winthrop, Conconully, Methow, Twisp, and Loup Loup Pass. * WHEN...From 10 AM this morning to 10 PM PST Monday. * IMPACTS...Travel could be very difficult over mountain passes. * ADDITIONAL DETAILS...Snow will briefly transition to rain over Stevens Pass Sunday morning before changing back to snow Sunday afternoon. Slushy conditions are possible where rain occurs.

* WHAT...Snow expected. Total snow accumulations of 8 to 12 inches above 2500 feet with 2 to 6 inches below 2500 feet. * WHERE...Plain and Leavenworth. * WHEN...From 10 AM this morning to 10 PM PST Sunday. * IMPACTS...Travel could be difficult. * ADDITIONAL DETAILS...For elevations below 3000 feet, snow will fall mainly in the overnight hours, transitioning to rain during the day as temperatures warm.

* WHAT...Snow expected. Total snow accumulations of 3 to 8 inches above 2500 feet with 1 to 4 inches below 2500 feet. * WHERE...Chesaw Road, Highway 20 Wauconda Summit, Republic, Newport, Colville, Tiger, Metaline Falls, Boulder Creek Road, Wauconda, Springdale-Hunters Road, Inchelium, Flowery Trail Road, Fruitland, Sherman Pass, Ione, Chewelah, Orin-Rice Road, Kettle Falls, Deer Park, Northport, and Metaline. * WHEN...From 4 PM this afternoon to 10 AM PST Sunday. * IMPACTS...Expect winter driving conditions. * ADDITIONAL DETAILS...For elevations below 3000 feet, snow will fall mainly in the overnight hours on Saturday transitioning to rain Sunday morning as temperatures warm.

* WHAT...Visibility as low as a quarter mile in dense fog. * WHERE...Spokane Valley, Cheney, Newport, Tiger, Metaline Falls, Downtown Spokane, Fairfield, Ione, Davenport, Deer Park, Northport, Metaline, Airway Heights, and Rockford. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Low visibility could make driving conditions hazardous.

...WINTER WEATHER HIGHLIGHTS... .An upper level trough will send a cold front through the region on Saturday, lowering area snow levels. Moderate to heavy snowfall is anticipated. A fast moving warm front may briefly turn snow to rain along the Washington Cascades and the Blue Mountains on Sunday. However, another cold front Sunday will bring a return of significant snow, with impactful snow spreading to include the Oregon Cascades. Snow totals will be highest along the crests and through the Passes. * WHAT...Heavy snow expected Above 4000 ft. Total snow accumulations between 10 and 13 inches. Winds gusting as high as 35 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...From 10 AM Saturday to 10 PM PST Monday. * IMPACTS...Heavy snowfall rates resulting in significant accumulation will combine with low visibility to create very difficult driving conditions.

...WINTER WEATHER HIGHLIGHTS... .An upper level trough will send a cold front through the region on Saturday, lowering area snow levels. Moderate to heavy snowfall is anticipated. A fast moving warm front may briefly turn snow to rain along the Washington Cascades and the Blue Mountains on Sunday. However, another cold front Sunday will bring a return of significant snow, with impactful snow spreading to include the Oregon Cascades. Snow totals will be highest along the crests and through the Passes. * WHAT...Heavy snow expected above 2500 ft. Total snow accumulations between 10 and 20 inches. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...From 10 AM Saturday to 10 PM PST Monday. * IMPACTS...Heavy snowfall and very low visibility will create extremely dangerous driving conditions.

...WINTER WEATHER HIGHLIGHTS... .An upper level trough will send a cold front through the region on Saturday, lowering area snow levels. Moderate to heavy snowfall is anticipated. A fast moving warm front may briefly turn snow to rain along the Washington Cascades and the Blue Mountains on Sunday. However, another cold front Sunday will bring a return of significant snow, with impactful snow spreading to include the Oregon Cascades. Snow totals will be highest along the crests and through the Passes. * WHAT...Heavy snow expected Above 4000 ft. Total snow accumulations between 10 and 13 inches. Winds gusting as high as 35 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...From 10 AM Saturday to 10 PM PST Monday. * IMPACTS...Heavy snowfall rates resulting in significant accumulation will combine with low visibility to create very difficult driving conditions.

...WINTER WEATHER HIGHLIGHTS... .An upper level trough will send a cold front through the region on Saturday, lowering area snow levels. Moderate to heavy snowfall is anticipated. A fast moving warm front may briefly turn snow to rain along the Washington Cascades and the Blue Mountains on Sunday. However, another cold front Sunday will bring a return of significant snow, with impactful snow spreading to include the Oregon Cascades. Snow totals will be highest along the crests and through the Passes. * WHAT...Heavy snow possible above 4000 ft. Total snow accumulations between 8 and 14 inches possible. Winds could gust as high as 35 mph. * WHERE...East Slopes of the Oregon Cascades. * WHEN...From Sunday morning through Monday evening. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions.

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of northwest Washington, including the following county, Mason. * WHEN...From Saturday evening through Sunday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - A storm coming in over the Olympics Saturday will bring 2 to 3 inches of rain with snow levels at times above 5000 feet. With the Skokomish River running high at near 16 feet, this will be enough to drive it above flood stage early Sunday morning. River forecasts are trending higher and the river could exceed moderate stage again. - http://www.weather.gov/safety/flood

* WHAT...Minor coastal flooding expected. Inundation of around 2 feet above ground level is possible along shorelines and low- lying coastal areas during the high tides on Saturday and Sunday. * WHERE...Eastern Strait of Juan de Fuca and Western Strait of Juan De Fuca zones. * WHEN...For the first Coastal Flood Advisory, from 10 AM to 5 PM PST Saturday. For the second Coastal Flood Advisory, from 10 AM to 5 PM PST Sunday. * IMPACTS...Minor coastal flooding due to tidal overflow is expected around high tide. This may lead to flooding of parking lots, parks, and roads, with only isolated road closures expected. * ADDITIONAL DETAILS...High tide on Saturday will peak around 1 PM PST. High tide on Sunday will peak around 2 PM PST.

* WHAT...Moderate to major coastal flooding expected. Inundation of around 2.5 to 3 feet above ground level is possible along shorelines and low-lying coastal areas during the high tides on Saturday and Sunday. * WHERE...North Coast and Central Coast zones. * WHEN...From 9 AM to 4 PM PST both Saturday and Sunday. * IMPACTS...Significant coastal flooding due to high tides and storm surge is expected. This is expected to lead to numerous road closures. Low lying property including homes, businesses, and some critical infrastructure may be inundated. Shoreline erosion or damage may occur. * ADDITIONAL DETAILS...Large waves and onshore flow may exacerbate the impacts of coastal flooding on Sunday. High tide on Saturday will peak around 12 PM PST. High tide on Sunday will peak around 1 PM PST.