Aggregator

* WHAT...Blizzard conditions expected for elevations above 2500 feet. Total snow accumulations between 8 and 16 inches. Winds gusting as high as 50 mph for portions of US 2 from Coles Corner to Stevens Pass. * WHERE...Holden Village, Stevens Pass, and Stehekin. * WHEN...From 4 PM this afternoon to 10 AM PST Wednesday. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Travel could be very difficult. Strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...Snowfall rates of 1 to 2 inches per hour will be possible at times.

* WHAT...Snow expected. For areas along and north of I-90, total snow accumulations between 2 and 4 inches. For areas south of I-90, total snow accumulations between 1 and 3 inches. * WHERE...Downtown Spokane, Genesee, Colfax, Tekoa, Odessa, Pullman, Wilbur, Rockford, Coeur d'Alene, Potlatch, Fairfield, Worley, La Crosse, Cheney, Post Falls, Plummer, Moscow, Hayden, Coulee City, Grand Coulee, Harrington, Creston, Oakesdale, Uniontown, Rosalia, Davenport, Airway Heights, Spokane Valley, and Ritzville. * WHEN...From 10 PM this evening to 10 AM PST Wednesday. * IMPACTS...Plan on slippery road conditions. Winter driving conditions could impact the Wednesday morning commute.

* WHAT...Heavy snow expected. Total snow accumulations between 6 and 12 inches. Winds could gust as high as 40 mph on the Waterville Plateau. * WHERE...Pangborn Airport, Badger Mountain Road, Leavenworth, Waterville, Chelan, Number 1 Canyon, Plain, Mansfield, Entiat, Number 2 Canyon, Cashmere, and Wenatchee. * WHEN...From 4 PM this afternoon to 10 AM PST Wednesday. * IMPACTS...Travel could be very difficult. Light snow will develop during the Tuesday evening commute and heavy snow will be possible by the Wednesday morning commute. Gusty winds could bring down tree branches and result in blowing snow over the Waterville Plateau.

* WHAT...Snow expected. Total snow accumulations up to two inches. Little to no snow accumulation Moses Lake to Othello. Winds gusting as high as 40 mph. * WHERE...Quincy, Ephrata, areas of I-90 near George. * WHEN...From 10 PM this evening to 8 AM PST Wednesday. * IMPACTS...Plan on winter travel conditions between Quincy and Ephrata and sections of I-90 near George for the Wednesday morning commute.

* WHAT...Snow. Additional snow accumulations at pass level up to 3 to 6 inches through Tuesday afternoon, then an additional 6 to 12 inches Tuesday night through Wednesday morning. Winds gusting as high as 55 mph Tuesday afternoon and overnight. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 10 AM PST Wednesday. * IMPACTS...Travel could be very difficult at times. Strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...Snow levels will be around 2000-3000 feet through Tuesday morning, rising to around 3500-4000 feet by Tuesday evening. Highest accumulations expected above 4000 feet.

* WHAT...Snow. Additional snow accumulations at pass level up to 3 to 6 inches through Tuesday afternoon, then an additional 6 to 12 inches Tuesday night through Wednesday morning. Winds gusting as high as 55 mph Tuesday afternoon and overnight. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 10 AM PST Wednesday. * IMPACTS...Travel could be very difficult at times. Strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...Snow levels will be around 2000-3000 feet through Tuesday morning, rising to around 3500-4000 feet by Tuesday evening. Highest accumulations expected above 4000 feet.

* WHAT...South to southeast winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Greater Portland/Vancouver Metro, Central and Southern Willamette Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...From 1 PM this afternoon to 4 AM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...Southeast winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...South Washington Coast. * WHEN...From 1 PM this afternoon to 4 AM PST Wednesday. * 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 to southeast winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Greater Portland/Vancouver Metro, Central and Southern Willamette Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...From 1 PM this afternoon to 4 AM PST Wednesday. * 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 60 mph expected. * WHERE...North and Central Coast Range Mountains of Oregon. * WHEN...From 1 PM this afternoon to 4 AM PST Wednesday. * 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 40 mph with gusts up to 60 mph expected. * WHERE...North and Central Coast of Oregon. * WHEN...From 1 PM this afternoon to 4 AM PST Wednesday. * 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 to Southeast winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Foothills of the Blue Mountains of Washington. * WHEN...From 4 PM this afternoon to 10 AM PST Wednesday. * 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 to southeast winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Foothills of the Blue Mountains of Oregon, North Central Oregon, and Central Oregon. * WHEN...From 4 PM this afternoon to 10 AM PST Wednesday. * 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...Southeast winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...John Day Basin, Grande Ronde Valley, and Lower Columbia Basin of Oregon. * WHEN...From 4 PM this afternoon to 10 AM PST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...Snow expected above 4000 ft. Total snow accumulations between 6 and 8 inches. Winds gusting as high as 45 mph. * WHERE...Northwest Blue Mountains. * WHEN...From 10 PM this evening to 10 AM PST Wednesday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow. Gusty winds could bring down tree branches.

* WHAT...Heavy snow expected. Total snow accumulations of 6 to 16 inches. Winds gusting as high as 40 mph. * WHERE...Lower Slopes of the Eastern Washington Cascades Crest. * WHEN...From 4 PM this afternoon to 10 AM PST Wednesday. * IMPACTS...Heavy snowfall and very low visibility will create extremely dangerous driving conditions. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Significantly lowered visibilities in stronger winds will be possible.

* WHAT...Blizzard conditions expected above 2000 feet. Total snow accumulations between 8 and 20 inches. Winds gusting as high as 60 mph. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...From 4 PM this afternoon to 10 AM PST Wednesday. * 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.

* WHAT...Wet snow expected. Total snow accumulations 2 to 4 inches, locally 6-8 across the higher terrain. Winds gusting as high as 35 mph. * WHERE...Kittitas Valley. * WHEN...From 4 PM this afternoon to 10 AM PST Wednesday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes.

* WHAT...Snow expected above 3500 feet. Total snow accumulations between 2 and 8 inches, locally 10+ across the peaks and crests. Winds gusting as high as 60 mph. * WHERE...East Slopes of the Oregon Cascades. * WHEN...From 4 PM this afternoon to 10 AM PST Wednesday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions. Strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...Brief periods of near whiteout conditions may be possible with this system. Widespread blizzard level conditions should be limited to the peaks of the region.

...A STRONG LOW WILL BRING SIGNIFICANT WIND AND WINTER WEATHER IMPACTS TO SOUTHERN OREGON AND NORTHERN CALIFORNIA THROUGH WEDNESDAY... .A cold front will move through the region Tuesday evening, bringing heavy snow to locations mostly above 4000 feet. Once the front passes Wednesday night, heavy wet snow will continue to fall, especially over northern California near Mt. Shasta City. There is a low chance an extreme snow event occurs around Mt Shasta City with 2 to 3 feet falling in that area through Wednesday evening. * WHAT...Heavy snow expected. Total snow accumulations between 5 and 10 inches. South winds 35 to 45 mph with gusts up to 60 mph. For the Winter Weather Advisory, snow expected. Total snow accumulations between 2 and 5 inches. South winds 30 to 40 mph with gusts up to 50 mph. * WHERE...The Warning is for portions of Highway 97 near Chemult and the junction of Highways 97 and 138 as well as higher terrain in eastern Klamath County and western Lake County. The advisory is for portions of Highway 97 south of the junction with Highways 97 and 138 and near Crescent, portions of Highway 31 east of Crescent. * WHEN...From 4 PM Tuesday to 4 PM PST Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Tuesday evening commutes. Very strong winds could cause extensive damage to trees and power lines. Blowing snow could result in greatly reduced visibilities at times.