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* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * 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. * 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 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. * 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...Heavy snow. Additional snow accumulations between 1 to 3 feet, with the highest amounts above 4000 feet. * WHERE...South Washington Cascades. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Heavy snow. Additional snow accumulations between 2 to 4 feet, with the highest amounts above 4500 feet. Winds gusting as high as 40 mph. * WHERE...Northern and Central Oregon Cascades. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

An active storm track will remain over the area through at least early next week. Light to moderate precipitation today through Saturday will cause only minor rises. However, a moist, atmospheric river late Saturday into Sunday will bring periods of very heavy rainfall to the watch area. Rain amounts of 3 to 6 inches are likely during this time frame for the coast, coast ranges and into western Siskiyou County with 1 to 3 inches in the Umpqua Basin and Rogue Valley. Snow levels will rise this weekend to around 5000 to 5500 feet by Sunday and this will lead to some snow melt and increased runoff. * WHAT...Flooding of streams, creeks and rivers, urban areas and areas of poor drainage caused by very heavy rainfall and snowmelt is possible. * WHERE...Portions of northern California, including the following area, Western Siskiyou County and southwest Oregon, including the following areas, Central Douglas County, Curry County Coast, Eastern Curry County and Josephine County, Eastern Douglas County Foothills, Jackson County and South Central Oregon Coast. * WHEN...From 5 PM PDT this afternoon through Sunday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of west central Oregon, including the following areas, Benton County Lowlands, Cascade Foothills of Marion and Linn Counties, Central Coast of Oregon, Central Oregon Coast Range, Central Oregon Coast Range Lowlands, Lane County Cascade Foothills, Lane County Lowlands and Linn County Lowlands. * WHEN...From 5 PM PDT this afternoon through Sunday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Landslides and debris flows are possible during this flood event. People, structures, and roads located below steep slopes, in canyons, and near the mouths of canyons may be at serious risk from rapidly moving landslides. * ADDITIONAL DETAILS... - An atmospheric river directed towards southwest Oregon will bring periods of heavy rain, with rain rates exceeding 0.25 inch per hour at times. - http://www.weather.gov/safety/flood

* WHAT...Southwest winds 40 to 50 mph with gusts 65 to 75 mph expected. * WHERE...In California, Modoc County. This includes highways 299 395, and 139 as well as the cities of Alturas, Canby, Davis Creek, and Willow Ranch. In Oregon, Central and Eastern Lake County. This includes highway 140 from Lakeview east, highways 31 and 395 as well as the cities of Lakeview, Adel, Paisley, Summer Lake, Silver Lake, and Alkali Lake. * WHEN...From 5 PM this afternoon to 8 PM PDT Sunday. * IMPACTS...Damaging winds can blow down trees and power lines. Isolated power outages are possible. Travel will be difficult, especially for high profile vehicles.

* WHAT...South winds 30 to 40 mph with gusts up to 55 mph expected. * WHERE...Klamath Basin, southern Klamath County and far southwestern Lake County. This includes Highways 140, 66, 97, 139 and 97 as well as the cities of Chiloquin, Klamath Falls, Bly, Beatty and Keno. * WHEN...From 5 PM this afternoon to 5 PM PDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...Southwest winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Eastern Curry County and the southern portions of Josephine and Jackson Counties. This includes Highway 1999 from Wilderville south, Interstate 5 north of Merlin, portions of Highway 238 from Applegate to Jacksonville and the higher terrain in southeastern Jackson County. * WHEN...From 5 PM this afternoon to 2 PM PDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and scattered power outages may result.

* WHAT...South winds 35 to 45 mph with gusts 60 to 70 mph expected. * WHERE...Curry County Coast and South Central Oregon Coast. This includes portions of highway 101, especially in exposed areas. The cities of Port Orford, Nesika Beach, Gold Beach, Cape Blanco, and Pistol River. * WHEN...From 5 PM this afternoon to 11 AM PDT Sunday. * IMPACTS...Damaging winds can blow down trees and power lines. Larger pockets of power outages are possible. Travel will be difficult, especially for high profile vehicles.

* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Portions of central Douglas County. This includes portions of Highway 42, Interstate 5 south of Roseburg and portions of the Tiller-Trail Highway south of Tiller. * WHEN...From 5 PM this afternoon to 8 AM PDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...Heavy snow. Additional snow accumulations of 10 to 20 inches. Winds gusting as high as 50 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Concerns will primarily be north of the I-84 corridor, primarily along Highway 204 and north.

* WHAT...Heavy snow above 2000 feet. Additional snow accumulations between 6 and 12 inches. Winds gusting as high as 40 mph. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 11 AM PDT Sunday. * 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 up to 24 inches. Winds gusting as high as 40 mph. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...Heavy snowfall and very low visibility will create extremely dangerous driving conditions.

* WHAT...Heavy snow. Additional snow accumulations of 10 to 20 inches. Winds gusting as high as 50 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Concerns will primarily be north of the I-84 corridor, primarily along Highway 204 and north.

* WHAT...Snow. Additional snow accumulations of around 5 inches, with up to 10 inches at higher elevations of above 5000 feet. Winds gusting as high as 40 mph. * WHERE...Ochoco-John Day Highlands. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions.

* WHAT...Southwest winds 35 to 45 mph with gusts up to 60 mph. Higher elevations could see gusts to 70 mph. * WHERE...Harney County and Malheur County. * WHEN...From 11 AM PDT /noon MDT/ to 8 PM PDT /9 PM MDT/ Sunday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.

* WHAT...Heavy snow. Additional snow accumulations between 6 and 18 inches. Winds gusting as high as 70 mph over exposed terrain. * WHERE...Northern sections of Klamath County and eastern sections of Lake County along with the Warner Mountains and Winter Rim. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...Travel could be very difficult to impossible.

* WHAT...Heavy snow above 4500 feet. Additional snow accumulations between 2 and 4 feet. Winds gusting as high as 70 mph over high and exposed terrain. * WHERE...The southern Oregon Cascades from Howard Prairie northward and higher portions of the Siskiyous west of Siskiyou Summit. This includes Lake of the Woods, Crater and Diamond Lakes, as well as Highways 140, 62, 230, and 138. * WHEN...Until 11 PM PDT Sunday. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Whiteout conditions are expected, and when combined with the accumulating snow, they will make travel treacherous to impossible. Very strong winds could blow down trees loaded with snow. * ADDITIONAL DETAILS...Snowfall rates will probably exceed 2 inches per hour in the high Cascades. These snowfall rates will make travel extremely difficult.

* WHAT...Snow. For elevations above 4000 feet, additional snow accumulations between 11 AM Saturday and 5 PM Sunday of 6 to 12 inches. For elevations below 4000 feet, additional snow accumulations between 1 and 4 inches. Winds gusting as high as 60 mph Saturday afternoon and 40 mph Sunday. * WHERE...Mountain Road, Anatone, Peola, and Cloverland Road. * WHEN...Until 5 PM PDT Sunday. * IMPACTS...Outdoor enthusiasts should expect heavy snow along with blowing and drifting in the backcountry of the Blue Mountains Saturday into Sunday. The strongest winds will occur during the day Saturday.