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* WHAT...For the Winter Storm Warning, heavy snow expected. Total snow accumulations ranging from 1 to 2 feet, except 2 to 4 feet above 5000 feet north of Highway 140. Winds gusting 50 to 60 mph. * 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 will make travel treacherous and potentially life-threatening. Travel could be very difficult to impossible. The hazardous conditions could impact the Friday evening commute. Strong winds could cause tree damage. * ADDITIONAL DETAILS...Periods of snow, heavy at times where snowfall rates could reach 1 inch per hour through this evening. Snow won't end completely, but a relative break is possible tonight into Saturday, followed by another round of heavy snow is likely Saturday night into Sunday.

* WHAT...Snow. Additional snow accumulations between 1 and 3 inches. Winds gusting as high as 40 mph. * WHERE...Klamath Basin and Northern and Eastern Klamath County and Western Lake County Counties. This includes Highway 97 north of Klamath Falls, including Chemult and Crescent. It also includes Highway 140 east of Klamath Falls, including Sprague River and Bly Mountain Summit. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday evening commute.

* WHAT...Snow expected. Total snow accumulations 1 to 3 inches near Toketee Falls, but up to 10 inches in the higher terrain above 3500 feet. Winds gusting as high as 35 mph. * WHERE...Eastern Douglas County Foothills County, including highway 138 and Toketee Falls. * WHEN...Until 2 PM PDT this afternoon. * IMPACTS...Plan on slippery road conditions.

* WHAT...Flooding caused by excessive rainfall is 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 Saturday evening 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 risk from landslides. * ADDITIONAL DETAILS... - An atmospheric river directed towards southwest Oregon will bring periods of heavy rain, with rain rates as high as 0.20 to 0.40 inches per hour. - http://www.weather.gov/safety/flood

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 Saturday 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...Visibility one quarter mile or less in freezing fog. * WHERE...Grande Ronde Valley. * WHEN...Until noon PDT today. * IMPACTS...Low visibility could make driving conditions hazardous.

* WHAT...Heavy snow expected above 2000 feet. Total snow accumulations between 10 and 16 inches. Winds gusting as high as 35 mph. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...From 5 AM Saturday to 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...Snow expected above 3500 feet. Total snow accumulations up 6 to 10 inches, above 3500 feet, and 2 to 4 inches below 3500 feet. Winds gusting as high as 40 mph * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...From 11 PM this evening to 11 PM PDT Saturday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions. Gusty winds could bring down tree branches.

* WHAT...Heavy snow expected. Total snow accumulations of 1 to 3 feet above 4000 feet along the Cascade crest, and total snow accumulations of up to 4 inches below 4000 feet. Winds gusting as high as 45 mph. * WHERE...East Slopes of the Oregon Cascades. * WHEN...From 8 AM this morning to 11 PM PDT Sunday. * IMPACTS...Heavy snowfall and very low visibility will create extremely dangerous driving conditions. Gusty winds could bring down tree branches.

* WHAT...Snow expected above 3500 feet. Total snow accumulations up 6 to 10 inches, above 3500 feet, and 2 to 4 inches below 3500 feet. Winds gusting as high as 40 mph * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...From 11 PM this evening to 11 PM PDT Saturday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions. Gusty winds could bring down tree branches.

* WHAT...Heavy snow expected at or above elevations greater than 2000 ft. Total snow accumulations between 12 and 18 inches. * WHERE...West Slopes North Cascades and Passes, West Slopes North Central Cascades and Passes, and West Slopes South Central Cascades and Passes. * WHEN...From 5 AM Saturday to 11 AM PDT Sunday. * IMPACTS...Travel could be very difficult to impossible.

* WHAT...Heavy snow expected. Total snow accumulations between 10 and 19 inches for elevations above 2000 feet. Winds gusting as high as 35 mph. * WHERE...Stehekin, Holden Village, and Stevens Pass. * WHEN...From 5 AM Saturday to 11 AM PDT Sunday. * IMPACTS...Travel could be very difficult.

* WHAT...Snow expected. Total snow accumulations up to 7 inches. Winds gusting as high as 55 mph. * WHERE...Mountain Road, Cloverland Road, Anatone, and Peola. * WHEN...From 11 PM this evening to 11 PM PDT Saturday. * IMPACTS...Travel could be very difficult.

ESFSEW Heavy precipitation in the Olympics this weekend will force a sharp rise on the Skokomish River in Mason County with flooding possible by Sunday. The river will continue to run high into early next week. Please monitor the latest river forecasts from the National Weather Service for additional information.

* WHAT...Heavy snow expected. Total snow accumulations up to 2 to 3 feet. Winds gusting as high as 35 mph. * WHERE...South Washington Cascades. * WHEN...From 2 PM this afternoon to 11 PM PDT Sunday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Heavy snow expected. Total snow accumulations up to 2 to 4 feet. Winds gusting as high as 40 mph. * WHERE...Northern and Central Oregon Cascades. * WHEN...From 8 AM this morning to 11 PM PDT Sunday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

...The Flood Watch continues for the following rivers in Oregon... Deer Creek at Roseburg affecting Central Douglas County zone. For Deer Creek...including Roseburg...flooding is possible. * WHAT...Flooding is possible. * WHERE...Deer Creek at Roseburg. * WHEN...From Sunday morning to early Monday morning. * IMPACTS...At 11.5 feet, water begins to cover Douglas Avenue west of Dawson Road. * ADDITIONAL DETAILS... - At 2:00 AM PDT Friday the stage was 4.6 feet. - Forecast...Flood stage may be reached based on the latest forecast information. - Flood stage is 10.0 feet. - http://www.weather.gov/safety/flood

* WHAT...South winds 40 to 55 mph with gusts up to 75 mph possible. * 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 Saturday afternoon through Sunday afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles.

* WHAT...Southeast winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...The southern half of the Bear Creek/Rogue River valley in Jackson County, including Ashland, Talent, Phoenix, south Medford, and portions of Interstate 5. * WHEN...Until 5 PM PDT this afternoon. * IMPACTS...Gusty winds will blow around or damage unsecured objects. Tree limbs could be blown down and a few power outages may result.

...The National Weather Service in Medford OR has issued a Flood Watch for the following rivers in Oregon... Deer Creek at Roseburg. For Deer Creek...including Roseburg...flooding is possible. * WHAT...Flooding is possible. * WHERE...Deer Creek at Roseburg. * WHEN...From Sunday morning to early Monday morning. * IMPACTS...At 11.5 feet, water begins to cover Douglas Avenue west of Dawson Road. * ADDITIONAL DETAILS... - At 1:00 AM PDT Friday the stage was 4.6 feet. - Forecast...Flood stage may be reached late Sunday morning. - Flood stage is 10.0 feet. - http://www.weather.gov/safety/flood