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* WHAT...Mixed precipitation expected. Total snow accumulations of 3 to 8 inches and ice accumulations around a light glaze. * WHERE...Upper and Lower Slopes of the Eastern Washington Cascades Crest. * WHEN...From 1 AM to 4 PM PST Friday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow. * ADDITIONAL DETAILS...The highest chance of freezing rain and light ice accumulation will be in the vicinity of Trout Lake and Glenwood.

* WHAT...Snow expected. Total snow accumulations of 1 to 3 inches. * WHERE...Kittitas Valley and Yakima Valley. * WHEN...From 1 AM to 4 PM PST Friday. * IMPACTS...Even light snowfall amounts can accumulate on roads and cause dangerous driving conditions due to slippery and snow-covered roads. The hazardous conditions could impact the Friday morning commute. * ADDITIONAL DETAILS...Highest snow totals are expected in the western portions and higher elevations of the Yakima and Kittitas valleys. Lower totals are anticipated in the lower elevations towards Sunnyside and Granger.

* WHAT...Freezing rain expected. Total ice accumulations around one tenth of an inch. * WHERE...Foothills of the Southern Blue Mountains of Oregon and North Central Oregon. * WHEN...From 7 PM this evening to 4 PM PST Friday. * IMPACTS...Difficult travel conditions are possible. The hazardous conditions could impact the Friday morning commute.

* WHAT...Mixed precipitation expected. Total snow accumulations up to two inches and ice accumulations of up to two tenths of an inch. * WHERE...East Slopes of the Oregon Cascades. * WHEN...From 7 PM this evening to 4 PM PST Friday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...The highest chance of freezing rain and ice accumulations will be roughly along and north of HWY26. Little to no ice is expected along HWY20.

* WHAT...Mixed precipitation expected. Ice accumulations of one tenth to a quarter of an inch possible. Locally higher accumulations possible. * WHERE...In Oregon, North Oregon Cascades and Upper Hood River Valley. Impacts mainly above 3000 feet but including Parkdale in Upper Hood River Valley. In Washington, South Washington Cascades above 3000 feet. * WHEN...From 7 PM this evening to 4 PM PST Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

* WHAT...Mixed precipitation expected. Ice accumulations of one tenth to a quarter of an inch possible. Locally higher accumulations possible. * WHERE...In Oregon, North Oregon Cascades and Upper Hood River Valley. Impacts mainly above 3000 feet but including Parkdale in Upper Hood River Valley. In Washington, South Washington Cascades above 3000 feet. * WHEN...From 7 PM this evening to 4 PM PST Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

Patchy dense fog and freezing fog has developed in portions of central and north-central Oregon as well as along the Blue Mountain foothills. Fog is expected to persist through the night with visibility of one-quarter mile or less in some places.

...The Flood Warning is extended for the following rivers in Oregon... Coquille River at Coquille affecting Coos County. For the Coquille River...including Coquille...Minor flooding is occurring and is also forecast. * WHAT...Minor flooding is forecast. The river is receding and is expected to fluctuate between 20.0 and 21.0 feet through Friday morning. Then, additional rainfall through the weekend will cause the river to rise again, and minor flooding is expected Friday afternoon. The river is expected to crest near 22.9 feet late Saturday afternoon and evening. * WHERE...Coquille River at Coquille. * WHEN...Until late Monday evening. * IMPACTS...At 21.0 feet, The Coquille River is at flood stage. Expect flooding of farmland and low-lying areas throughout the flood plain along the Coquille River. At 23.0 feet, Some farm buildings may be threatened and roads covered in low areas by rising water. Expect widespread flooding throughout the Coquille River floodplain. * ADDITIONAL DETAILS... - At 2:45 PM PST Wednesday the stage was 20.9 feet. - Bankfull stage is 20.0 feet. - Forecast...The river will oscillate around flood stage with a maximum value of 22.9 feet late Saturday afternoon and evening. - Flood stage is 21.0 feet. - Flood History...This crest compares to a previous crest of 23.0 feet on 12/30/2008. - http://www.weather.gov/safety/flood

* WHAT...Snow. Additional snow accumulations of 1 to 4 inches, heaviest above 4500 feet. * WHERE...Ochoco-John Day Highlands. * WHEN...Until 4 AM PST Thursday. * IMPACTS...Even light snowfall amounts can accumulate on roads and cause dangerous driving conditions due to slippery and snow-covered roads.

* WHAT...Wet snow. Additional snow accumulations 1 to 3 inches. Winds gusting as high as 40 mph. * WHERE...The southern Oregon Cascades Mountains above 4000 feet elevation. This includes portions of Highway 62, Crater Lake, Highway 138 near Diamond Lake, Highway 140 near Lake of the Woods, and higher portions of Highway 66. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Snow levels will gradually rise Wednesday afternoon to 5000 feet.

ESFSEW Multiple weather systems will move across Western Washington Friday through the weekend with heavy precipitation at times, especially over the Olympic Peninsula. Heaviest amounts are forecast over the southwestern slopes of the Olympic Mountains, with 2 to 4 inches of rainfall expected during this period. This will result in the potential for the Skokomish River to rise above flood stage over the weekend. Snow levels will initially be around 5000 feet on Friday, with snow levels around 4000 feet Saturday and Sunday. Please monitor the latest river forecasts from the National Weather Service for additional information.

Patchy dense fog has formed in and around the Walla Walla airport and in spots along the Highway 11 corridor. Visibilities of on quarter mile or less are occurring and will slowly dissipate and lift over the next two to three hours. Motorists are urged to use caution as visibilities could change quickly.

...The Flood Warning continues for the following rivers in Oregon... Coquille River at Coquille affecting Coos County. For the Coquille River...including Coquille...Minor flooding is occurring and is also forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. The river is receding and should fall below flood stage by tomorrow morning at the latest. Then, additional rainfall through the weekend will cause river rises again, and minor flooding will be possible once again beginning as early as Friday afternoon. The secondary crest is forecast to be 22.5 feet on Saturday afternoon. * WHERE...Coquille River at Coquille. * WHEN...Until tomorrow morning. An additional flood warning may be needed for Friday afternoon through this weekend. * IMPACTS...At 23.0 feet, Some farm buildings may be threatened and roads covered in low areas by rising water. Expect widespread flooding throughout the Coquille River floodplain. * ADDITIONAL DETAILS... - At 8:45 AM PST Wednesday the stage was 21.6 feet. - Bankfull stage is 20.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 AM PST Wednesday was 23.2 feet. - Forecast...The river will gradually recede through Thursday afternoon before rising again to minor flood stage with a maximum value of 22.5 feet early Saturday afternoon. - Flood stage is 21.0 feet. - Flood History...This crest compares to a previous crest of 22.4 feet on 02/19/1983. - http://www.weather.gov/safety/flood

Patchy dense fog has formed in and around the Pendleton airport, Walla Walla airport, and along the Interstate 84 corridor between Pendleton and Boardman. Visibilities of on quarter mile or less are occurring and expected to linger through much of the morning, likely dissipating between 11 AM and noon. Motorists are urged to use caution as visibilities could change quickly.

Patchy freezing fog has been observed at the Ellensburg airport and along the Interstate 90 and 82 corridors. The visibility is one quarter mile or less and is expected to slowly improve during the morning, breaking between 11 AM and noon. Motorists are urged to use caution as there may be sudden reductions in visibility and a potential for icy roadways.

Patchy dense fog has formed in and around the Pendleton airport, Walla Walla airport, and along the Interstate 84 corridor between Pendleton and Boardman. Visibilities of on quarter mile or less are occurring and expected to linger through much of the morning, likely dissipating between 11 AM and noon. Motorists are urged to use caution as visibilities could change quickly.

* WHAT...Snow expected above 2000 feet. Total snow accumulations 4 to 8 inches on the main passes, with an inch possible as low as 2000 feet. Higher amounts likely on the higher peaks and ridges above 5000 feet. * WHERE...In Oregon, North Oregon Cascades. In Washington, South Washington Cascades. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Roads and bridges will likely become slick and snowpacked.

* WHAT...Snow expected above 2000 feet. Total snow accumulations 4 to 8 inches on the main passes, with an inch possible as low as 2000 feet. Higher amounts likely on the higher peaks and ridges above 5000 feet. * WHERE...In Oregon, North Oregon Cascades. In Washington, South Washington Cascades. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Roads and bridges will likely become slick and snowpacked.

* WHAT...Snow expected. Total snow accumulations 6 to 10 inches, with 1 to 2 inches possible down to 3000 feet. Accumulations of a foot or more are possible on the higher peaks and ridges above 5000 feet. * WHERE...Cascades of Lane County and Cascades of Marion and Linn Counties. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Roads and especially bridges will likely become slick and snowpacked. * ADDITIONAL DETAILS...Snowfall accumulation will vary based on elevation and exposure to wind, with the highest snow amounts expected above 5500 feet.

* WHAT...Snow expected. Total snow accumulations between 5 and 10 inches, with higher amounts up to 15 inches above 5500 feet. Winds gusting as high as 45 mph over exposed higher terrain. * WHERE...The southern Oregon Cascades Mountains above 4000 feet elevation. This includes portions of Highway 62, Crater Lake, Highway 138 near Diamond Lake, Highway 140 near Lake of the Woods, and higher portions of Highway 66. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Snow levels will start out around 3500 to 4000 feet then gradually rise Wednesday afternoon to 5000 feet.