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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 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...Through 10 PM PST Monday. Snow will begin tonight and change over to rain early Sunday before returning to snow Sunday night. * 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 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 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 light snow will occur this evening then turn over to rain overnight before returning to snow late Sunday afternoon and night. * IMPACTS...Significant snowfall with high snowfall rates will combine with low visibility to create difficult driving conditions.

Heavy snow in the Cascades at or above 2000 feet late Sunday morning through late Monday morning. * WHAT...Heavy snow expected at or above elevations greater than 2000 ft. Total snow accumulations between 6 and 18 inches. Heaviest accumulations likely near Stevens Pass with a convergence zone. * WHERE...West Slopes North Cascades and Passes, West Slopes North Central Cascades and Passes, and West Slopes South Central Cascades and Passes. * WHEN...From 10 AM Sunday to 10 AM PST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult.

* WHAT...Southeast winds 30 to 40 mph with gusts up to 50 mph expected. * WHERE...San Juan County and Admiralty Inlet Area. * WHEN...Until 8 PM PST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...Heavy snow expected. Total snow accumulations between 4 and 12 inches. Winds gusting 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 4 PM Sunday to 10 PM PST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning and evening commutes.

* WHAT...Heavy snow expected. 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 4 PM Sunday to 10 PM PST Monday. * 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.

* WHAT...Heavy snow expected Above 2500 Feet. Total snow accumulations between 7 and 15 inches. * WHERE...Eastern Douglas County Foothills County. This includes Toketee Falls. * WHEN...From 4 PM Sunday to 10 PM PST Monday. * IMPACTS...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...Visibility as low as a quarter mile in dense fog. * WHERE...Newport, Flowery Trail Road, Colville, Fruitland, Northport, Tiger, Metaline Falls, Metaline, Ione, Springdale-Hunters Road, Chewelah, Orin-Rice Road, Kettle Falls, and Deer Park. * WHEN...Until 9 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

Heavy snow in the Cascades at or above 2000 feet late Sunday morning through late Monday morning. * WHAT...Heavy snow expected at or above elevations greater than 2000 ft. Total snow accumulations between 6 and 18 inches. Heaviest accumulations likely near Stevens Pass with a convergence zone. * WHERE...West Slopes North Cascades and Passes, West Slopes North Central Cascades and Passes, and West Slopes South Central Cascades and Passes. * WHEN...From 10 AM Sunday to 10 AM PST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult.

* 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...From 10 AM to 5 PM PST today and 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.

* 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 today 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.

* WHAT...Minor coastal flooding expected. Inundation of around 2 feet above ground level is possible along shorelines and low- lying coastal areas. * WHERE...Western Whatcom County, Southwest Interior, Western Skagit County, Everett and Vicinity, Tacoma Area, Admiralty Inlet Area, Hood Canal Area, Seattle and Vicinity and Bremerton and Vicinity zones. * WHEN...From 4 AM to 10 AM 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.

* WHAT...Minor coastal flooding expected. Inundation of around 2 feet above ground level is possible along shorelines and low- lying coastal areas. * WHERE...San Juan County zone. * WHEN...From 4 AM to 10 AM 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.

* 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...From 10 AM to 5 PM PST today and 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.

* 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 today 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.

Snow levels lowering 2000 feet Sunday afternoon into Monday morning. New snow totals of 6 to 18 inches possible. * WHAT...Heavy snow expected at or above elevations greater than 2000 ft. Total snow accumulations between 6 and 18 inches. Heaviest accumulations likely near Stevens Pass with a convergence zone. * WHERE...West Slopes North Cascades and Passes, West Slopes North Central Cascades and Passes, and West Slopes South Central Cascades and Passes. * WHEN...Late Sunday morning into late Monday morning. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult.

Precipitation over the Olympics this weekend combined with the Skokomish River running high will likely push the river above flood stage Sunday morning. * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of northwest Washington, including the following county, Mason. * WHEN...From this 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... - Two to up to three and half inches of rain is forecast for the Olympics Mountains Saturday morning through late Sunday afternoon. With the Skokomish River running high this amount of precipitation will likely push the river over flood stage Sunday morning. - http://www.weather.gov/safety/flood

* WHAT...For the Coastal Flood Advisory, tidal overflow flooding expected. For the Beach Hazards Statement, Sneaker waves possible. * WHERE...South Washington Coast. * WHEN...For the Coastal Flood Advisory, from 11 AM this morning to 2 PM PST this afternoon. For the Beach Hazards Statement, from Sunday morning through Sunday evening. * IMPACTS...Minor flooding, up to one foot above ground level, during high tides is expected in the low lying areas near bays, sloughs, highway 101, and the lower reaches of the coastal rivers.

* WHAT...For the Coastal Flood Advisory, tidal overflow flooding expected. For the Beach Hazards Statement, Sneaker waves possible. * WHERE...South Washington Coast. * WHEN...For the Coastal Flood Advisory, from 11 AM this morning to 2 PM PST this afternoon. For the Beach Hazards Statement, from Sunday morning through Sunday evening. * IMPACTS...Minor flooding, up to one foot above ground level, during high tides is expected in the low lying areas near bays, sloughs, highway 101, and the lower reaches of the coastal rivers.

* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon. * WHEN...From Sunday morning 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.