Aggregator

* WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Central Oregon and North Central Oregon. * WHEN...From 10 PM this evening to 10 AM PST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Foothills of the Southern Blue Mountains of Oregon. * WHEN...From 10 PM this evening to 10 AM PST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

ESFSEW An atmospheric river will bring significant rainfall to the Olympic Mountains today into Thursday. Widespread rainfall totals of 3 to 5 inches are expected, with locally over 6 inches on the the highest peaks. Snow levels will increase from around 3,500 feet up to as high as 4,500 feet tonight before lowering once again Thursday. While precipitation will be much less with the systems beginning Friday the lack of much of a break will keep rivers over the Southwest Interior rising into the weekend. It is possible the lower reaches of the Chehalis could flood late Friday into Saturday. The Skookumchuck near Bucoda, Newaukum near Chehalis and the Satsop near Satsop could reach action stage Friday. Please monitor the latest river forecasts from the National Weather Service for additional information.

An atmospheric river into Thursday is expected to produce heavy rainfall across parts of the region. * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of northwest Washington, including the following county, Clallam. * WHEN...From 4 PM PST this afternoon through Friday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Rainfall accumulations of 3 to 5 inches over the Olympics expected. Expect rises on rivers and streams due to the heavy precipitation, and the Bogachiel River may rise above flood stage Thursday. - http://www.weather.gov/safety/flood

* WHAT...Heavy snow expected. Total snow accumulations between 12 and 24 inches. Winds gusting as high as 45 mph. * WHERE...Stevens Pass, Holden Village, and Stehekin. * WHEN...From 1 PM this afternoon to 10 PM PST Thursday. * IMPACTS...Travel could be very difficult leading up to and over Stevens Pass. Heavy wet snow falling at one inch per hour or more at times could lead to isolated tree damage and power outages. Areas of blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...Lighter snow amounts will be possible at Stehekin due to marginal temperatures near or above freezing.

* WHAT...Snow expected. Total snow accumulations between 2 and 6 inches in the valleys and 5 to 8 inches in the mountains. * WHERE...Metaline, Orin-Rice Road, Fruitland, Tiger, Flowery Trail Road, Springdale-Hunters Road, Deer Park, Metaline Falls, Kettle Falls, Colville, Chewelah, Newport, Northport, and Ione. * WHEN...Winter travel conditions are expected Thursday morning. * IMPACTS...Lowest confidence in snow amounts is along the Columbia and Pend Oreille Rivers where warmer temperatures could limit accumulations. * ADDITIONAL DETAILS...Lowest confidence in snow amounts is along the Columbia and Pend Oreille Rivers where warmer temperatures could limit accumulations.

* WHAT...Heavy snow expected. Total snow accumulations between 8 and 15 inches. Winds gusting as high as 35 mph. * WHERE...Loup Loup Pass, Methow, Mazama, Conconully, Winthrop, and Twisp. * WHEN...From 1 PM this afternoon to 1 PM PST Thursday. * IMPACTS...Travel could be very difficult to impossible. Heavy wet snow falling at one inch per hour or more at times could lead to isolated tree damage and power outages.

* WHAT...Heavy snow expected. Total snow accumulations between 4 and 10 inches. * WHERE...Wauconda, Inchelium, Sherman Pass, Highway 20 Wauconda Summit, Boulder Creek Road, Chesaw Road, and Republic. * WHEN...From 4 PM this afternoon to 1 PM PST Thursday. * IMPACTS...Travel could be very difficult to impossible. Heavy wet snow falling at one inch per hour or more at times could lead to isolated tree damage and power outages.

* WHAT...Heavy snow expected. Total snow accumulations between 9 and 16 inches. * WHERE...Leavenworth and Plain. * WHEN...From 1 PM this afternoon to 1 PM PST Thursday. * IMPACTS...Travel could be very difficult. Heavy wet snow falling at one inch per hour or more at times could lead to isolated tree damage and power outages. * ADDITIONAL DETAILS...The heaviest snow is expected to fall between 10PM and 4AM Thursday.

* WHAT...Heavy snow expected. Total snow accumulations between 2 and 6 inches below 2500 feet and 6 to 10 inches on higher benches above 2500 feet. * WHERE...Oroville, Mansfield, Disautel Pass, Okanogan, Bridgeport, Nespelem, Waterville, Tonasket, Badger Mountain Road, Brewster, and Omak. * WHEN...From 4 PM this afternoon to 7 AM PST Thursday. * IMPACTS...Travel could be very difficult. Snowfall rates of one inch per hour are expected at times Christmas night into early Thursday morning. * ADDITIONAL DETAILS...Lowest confidence in snow amounts is along the Columbia and Okanogan Rivers where warmer temperatures could limit accumulations.

* WHAT...Snow expected for the Highway 2 Corridor Across the Upper Columbia Basin. Total snow accumulations between 2 and 4 inches. Winds gusting as high as 35 mph. * WHERE...Grand Coulee, Coulee City, Creston, and Wilbur. * WHEN...From 4 PM this afternoon to 7 AM PST Thursday. * IMPACTS...Plan on slippery road conditions.

* WHAT...Snow expected. Total snow accumulations between 1 and 4 inches at lower elevations near the Columbia River and 4 to 8 inches above 2000 feet on higher benches. * WHERE...Cashmere, Wenatchee, Chelan, Entiat, Pangborn Airport, Number 2 Canyon, and Number 1 Canyon. * WHEN...From 1 PM this afternoon to 7 AM PST Thursday. * IMPACTS...Travel could be very difficult. Snowfall rates of one inch per hour are expected at times Christmas night into early Thursday morning.

* WHAT...Heavy snow expected at or above elevations greater than 3500 ft. Total snow accumulations between 18 and 36 inches. Highest new snow totals at Mount Baker and Mount Rainier. Winds gusting as high as 50 mph. * 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 this morning to 10 PM PST Thursday. * IMPACTS...Travel could be very difficult to impossible. Gusty winds could bring down tree branches.

* WHAT...Heavy snow expected at or above elevations greater than 4000 ft. Total snow accumulations between 15 and 30 inches. Winds gusting as high as 60 mph. * WHERE...Olympics. * WHEN...Until 4 PM PST Thursday. * IMPACTS...Travel could be very difficult to impossible. Strong winds could cause extensive damage to trees and power lines.

* WHAT...Large breaking waves of 16 to 22 feet expected in the surf zone. * WHERE...North Coast and Central Coast zones. * WHEN...From 9 AM this morning to 10 AM PST Friday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion.

* WHAT...Southwest winds 35 to 50 mph with gusts up to 65 mph expected. * WHERE...This includes the Summer Lake area and Highway 31, the mountains across Lake County and eastern Klamath County, and Modoc County. * WHEN...From 10 PM this evening to 10 AM PST Thursday. * 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...South winds 25 to 35 mph with gusts up to 65 mph expected. * WHERE...Eastern Curry County and Josephine County and Jackson County. * WHEN...From 1 PM this afternoon to 4 AM PST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Winds will be strongest over the coastal mountains in eastern Curry and Josephine Counties. Winds will be strongest south of Medford late this evening and tonight.

* WHAT...South winds 40 to 55 mph with gusts up to 70 mph expected. * WHERE...Curry County Coast and South Central Oregon Coast, including all beaches, capes and headlands from Reedsport to Brookings, and exposed portions of Highway 101. * WHEN...From 1 PM this afternoon to 4 AM PST Thursday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.

...Forecast flooding changed from Minor to Moderate severity for the following rivers in Washington... Skokomish River At Potlatch affecting Mason County. .The river will remain near flood stage today then rise tonight into Thursday cresting in moderate flood stage Thursday morning. * WHAT...Moderate flooding is forecast. * WHERE...Skokomish River at Potlatch. * WHEN...Through the weekend. * IMPACTS...At 17.5 feet, the Skokomish River will cause moderate flooding, with deep and quick flood waters inundating some residential areas, many roads, and much of the farm land in the Skokomish Valley. Inundated roads include the Skokomish Valley road, Bourgault Road West, Purdy Cutoff Road, and Highway 106. * ADDITIONAL DETAILS... - At 3:30 AM PST Wednesday the stage was 16.4 feet. - Flood stage is 16.5 feet. - Forecast...The river is expected to remain near flood stage today then rise tonight into Thursday cresting near 17.7 feet late Thursday morning. - http://www.weather.gov/safety/flood

* WHAT...Snow expected. Total snow accumulations between 12 to 18 inches, with up to 24 inches near the Mount Shasta Ski area. Winds gusting as high as 70 mph. * WHERE...The southern Oregon Cascades north of Highway 140 including Crater Lake National Park, highways 62, 138, and 51 at Willamette Pass. Marble Mountains including Sawyer Bar Road near Mount Etna, and the pass at Snowmans Hill Summit. * WHEN...From Wednesday late afternoon through Friday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Wednesday evening and Thursday morning commutes. Very strong winds could cause extensive damage to trees and power lines.