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* WHAT...South winds 35 to 50 mph with gusts up to 70 mph expected. Gusts up to 85 mph are possible at capes and headlands. * WHERE...The Douglas, Coos, and Curry county coasts, including Brookings, Gold Beach, Pistol River, Port Orford, Bandon, North Bend, Winchester Bay, Highway 101, and all capes and headlands. * WHEN...Until 4 AM PST Wednesday. * IMPACTS...Damaging winds could blow down trees and power lines and damage buildings. Power outages are expected. Travel will be difficult, especially for high profile vehicles. Unsecured objects may be lost or damaged.

* WHAT...Southeast winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Alpowa Summit, Pomeroy, and Clarkston. * WHEN...From 7 PM this evening 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. Total snow accumulations between 2 and 5 inches in the valleys and 6 and 12 inches in the mountains. * WHERE...Newport, Flowery Trail Road, Bonners Ferry, Priest River, Schweitzer Mountain Road, Chewelah, Clark Fork, Athol, Deer Park, Ione, Tiger, Sandpoint, Fruitland, Kettle Falls, Colville, Northport, Eastport, Springdale-Hunters Road, Metaline, Metaline Falls, and Orin-Rice Road. * WHEN...From midnight tonight to 10 PM PST Wednesday. * IMPACTS...Travel could be very difficult. Winter driving conditions could impact the Wednesday morning and evening commutes.

* WHAT...Heavy snow. Total snow accumulations between 4 and 8 inches in the valleys and 8 and 14 inches in the mountains. Winds could gust as high as 30 mph. * WHERE...Oroville, Omak, Brewster, Inchelium, Bridgeport, Boulder Creek Road, Chesaw Road, Republic, Disautel Pass, Nespelem, Highway 20 Wauconda Summit, Wauconda, Okanogan, Tonasket, and Sherman Pass. * WHEN...From 10 PM this evening to 4 PM PST Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Wednesday morning commute. * ADDITIONAL DETAILS...Snowfall rates of 1 inch per hour will be possible at times.

* WHAT...Heavy snow expected. Total snow accumulations between 7 to 12 inches in the valleys and 12 and 20 inches in the mountains. Winds could gust as high as 50 mph on the ridgetops. * WHERE...Mazama, Methow, Winthrop, Loup Loup Pass, Twisp, and Conconully. * WHEN...Until 4 PM PST Wednesday. * IMPACTS...Travel could be very difficult. Blowing snow could significantly reduce visibility in the mountains. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes. Strong winds could cause damage to trees and power lines. The weight of wet, heavy snow on tree limbs may down power lines and could cause sporadic power outages. * ADDITIONAL DETAILS...Snowfall rates of 1 to 2 inches per hour will be possible at times.

* WHAT...Blizzard conditions expected for elevations above 2500 feet. Total snow accumulations between 6 and 12 inches with locally higher amounts over higher peaks. Winds gusting as high as 50 mph for portions of US 2 from Coles Corner to Stevens Pass. * WHERE...Holden Village, Stehekin, and Stevens Pass. * WHEN...Until 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.

* WHAT...Wet snow expected. For northern Grant and Lincoln counties, total snow accumulations between 1.5 and 4 inches. Everywhere else, 0.5 to 2 inches expected. * WHERE...Plummer, Downtown Spokane, Coeur d'Alene, Colfax, Tekoa, Coulee City, Fairfield, Harrington, Ritzville, Worley, Hayden, Moscow, Wilbur, Post Falls, Odessa, Uniontown, Genesee, Creston, Airway Heights, La Crosse, Oakesdale, Pullman, Cheney, Spokane Valley, Potlatch, Davenport, Rockford, Rosalia, and Grand Coulee. * 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. For elevations above 1000 feet, total snow accumulations between 6 and 12 inches. For elevations below 1000 feet, total snow accumulations between 2 and 6 inches. Winds could gust as high as 40 mph on the Waterville Plateau. * WHERE...Pangborn Airport, Number 2 Canyon, Chelan, Entiat, Cashmere, Number 1 Canyon, Waterville, Wenatchee, Badger Mountain Road, Leavenworth, Plain, and Mansfield. * WHEN...Until 10 AM PST Wednesday. * IMPACTS...Travel could be very difficult. Light snow will develop during the late Tuesday evening commute and heavy snow will be possible by the early Wednesday morning commute. Gusty winds could bring down tree branches and result in blowing snow over the Waterville Plateau. The weight of wet, heavy snow on tree limbs may down power lines and could cause sporadic power outages.

* WHAT...Snow expected. Total snow accumulations between 1 and 3 inches below 4000 feet and 5 to 9 inches above 4000 feet. Winds gusting as high as 50 mph. * WHERE...Anatone, Cloverland Road, Peola, and Mountain Road. * WHEN...From 10 PM this evening to 10 AM PST Wednesday. * IMPACTS...Winter travel conditions expected during the Wednesday morning commute. Gusty winds could bring down small tree branches.

* WHAT...Wet 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...Ephrata, Othello, Moses Lake, and Quincy. * 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.

...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...Snow expected. Total snow accumulations between 2 and 8 inches. Winds gusting as high as 60 mph over high exposed terrain. * WHERE...In California, Modoc County. In Oregon, Klamath Basin. * WHEN...Until 4 PM PST Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes. Strong winds could cause extensive damage to trees and power lines.

...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...Until 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.

...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...Until 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.

...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...For the Winter Storm Warning above 4000 ft in the high central Cascades in Klamath, Jackson and Douglas Counties, heavy snow expected. Total snow accumulations between 7 and 32 inches. Winds gusting as high as 75 mph over exposed terrain. * WHERE...The south central Oregon Cascades, including Crater Lake, Diamond Lake, and portions of Highway 62, 138, and 230. * WHEN...Until 4 PM PST Wednesday. * IMPACTS...Whiteout conditions are possible and will make travel treacherous and potentially life-threatening. Travel could be very difficult to impossible. The hazardous conditions could impact the Monday evening and Tuesday morning commutes. Very strong winds could cause extensive damage to trees and power lines. Roads, and especially bridges and overpasses, will likely become slick and hazardous.

...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 above 4000 ft in the southern Cascades and Siskiyous in Jackson and Klamath Counties. Total snow accumulations between 7 and 13 inches with up to 24 inches over high remote terrain. Winds gusting as high as 70 mph over high exposed terrain. * WHERE...Siskiyou Mountains and Southern Oregon Cascades including Howard Prairie, Lake of the Woods, Siskiyou Summit on Interstate 5, and Highways 66 and 140. * WHEN...Until 4 PM PST Wednesday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday evening and Tuesday morning commutes. Very strong winds could cause extensive damage to trees and power lines. Roads, and especially bridges and overpasses, will likely become slick and hazardous. Blowing snow could result in greatly reduced visibilities at times.

* WHAT...Southeast winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of northwest and west central Washington. * WHEN...Until 4 AM PST Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Strongest winds will occur Tuesday evening into early Wednesday morning. Significant impacts may occur at lower-than-usual wind speeds due to the atypical easterly wind direction.

* WHAT...East to southeast winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Central Coast, North Coast, Western Strait of Juan De Fuca, Bellevue and Vicinity, and East Puget Sound Lowlands. * WHEN...Until 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. * ADDITIONAL DETAILS...Strongest winds will occur Tuesday evening into early Wednesday morning. Significant impacts may occur at lower-than-usual wind speeds due to the atypical easterly wind direction.

* WHAT...Snow expected at or above elevations greater than 3000 ft. Total snow accumulations up to 12 to 24 inches with locally higher amounts over the highest peaks. Blizzard-like conditions are possible at times due to winds gusting as high as 50 mph. * WHERE...Olympics. * WHEN...Until 4 PM PST Wednesday. * IMPACTS...Travel could be very difficult to impossible. Strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...Highest east winds will occur along the northern slopes Tuesday evening into early Wednesday morning.

* WHAT...Blizzard conditions expected at or above elevations greater than 2500 ft. Total snow accumulations between 3 and 12 inches with locally higher amounts over the highest peaks. Snow totals of 3 to 7 inches through the Cascade Passes. 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...Until 10 AM PST Wednesday. * IMPACTS...Travel could be very difficult to impossible. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Strong east winds with snow levels 2500 to 3000 feet in the Cascade Passes tonight into Wednesday morning. The greatest reductions in visibility will likely occur near the Cascade Crest.

* WHAT...Large waves of 20 to 24 feet expected in the surf zone. * WHERE...North Coast and Central Coast zones. * WHEN...From 7 PM this evening to 4 PM PST Wednesday. * IMPACTS...Large waves may wash over beaches, jetties, and other structures unexpectedly. People can be swept off rocks and jetties and drown wile observing high surf. Localized beach erosion is possible.