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Patchy light freezing rain was occurring early this morning across portions of the Tri-Cities. Temperatures were hovering around freezing. Slick spots were possible on road surfaces as a result. If you encounter slick roadways, slow down and allow for extra room between your vehicle and those around you. Temperatures are expected to slowly rise through the morning hours and end any freezing rain possibilities.

* WHAT...Heavy snow expected. Additional snow accumulations between 7 and 16 inches, except 5 to 10 inches for Holden Village and Stehekin. Winds gusting as high as 45 mph. * WHERE...Stevens Pass, Stehekin, and Holden Village. * WHEN...Until 4 PM PST Saturday. * IMPACTS...Travel could be very difficult. The conditions could impact the Friday morning and evening commutes.

* WHAT...Snow. Additional snow accumulations between 2 and 8 inches. * WHERE...Republic, Chewelah, Inchelium, Chesaw Road, Deer Park, Highway 20 Wauconda Summit, Ione, Wauconda, Kettle Falls, Metaline, Newport, Colville, Fruitland, Orin-Rice Road, Flowery Trail Road, Springdale-Hunters Road, Boulder Creek Road, Northport, Tiger, Metaline Falls, and Sherman Pass. * WHEN...Until 10 PM PST this evening. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday morning and evening commutes.

* WHAT...Snow. Additional snow accumulations of 2 to 6 inches. Winds gusting as high as 35 mph. * WHERE...Tonasket, Badger Mountain Road, Okanogan, Disautel Pass, Nespelem, Twisp, Bridgeport, Oroville, Mazama, Mansfield, Loup Loup Pass, Methow, Winthrop, Waterville, Plain, Leavenworth, Conconully, Brewster, and Omak. * WHEN...Until 10 PM PST this evening. * IMPACTS...Travel could be difficult. The conditions could impact the Friday morning and evening commutes.

* WHAT...A mix of freezing rain, snow, and rain. Snow accumulations up to one inch and ice accumulations around a light glaze. * WHERE...Uniontown, Spokane Valley, La Crosse, Tekoa, Moscow, Fairfield, Cheney, Davenport, Coeur d'Alene, Airway Heights, Rockford, Pullman, Oakesdale, Genesee, Potlatch, Hayden, Worley, Plummer, Downtown Spokane, Colfax, Post Falls, and Rosalia. * WHEN...Until 10 AM PST this morning. * IMPACTS...Plan on slippery road conditions with freezing rain and snow. * ADDITIONAL DETAILS...Temperatures for Spokane have warmed above freezing with primarily rain. There have been reports of freezing rain or a mix of rain and snow for parts of Spokane and Whitman counties, therefore allowing the advisory to continue.

* WHAT...Mixed precipitation. Additional snow accumulations up to one inch and ice accumulations around one tenth of an inch. * WHERE...Grand Coulee, Creston, Odessa, Moses Lake, Quincy, Wilbur, Othello, Ephrata, Coulee City, Harrington, and Ritzville. * WHEN...Until 10 AM PST this morning. * IMPACTS...Plan on slippery road conditions. The conditions could impact the Friday morning commute.

...SNOW THROUGH SATURDAY... .A significant change in the weather pattern has begun as a winter storm system arrives from the Pacific and brings moderate to heavy snow to the Cascades and Blue Mountains. * WHAT...Snow expected above 4000 feet. Total snow accumulations between 6 and 12 inches. Local winds gusting as high as 35 mph will cause blowing and drifting of snow. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 4 PM PST Saturday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions. Strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...Total snowfall accumulations for I-84 along the Blue Mountains, including Meacham, are only expected to be around 3 to 5 inches.

...SNOW THROUGH SATURDAY... .A significant change in the weather pattern has begun as a winter storm system arrives from the Pacific and brings moderate to heavy snow to the Cascades and Blue Mountains. * WHAT...Heavy snow expected above 3000 feet. Total snow accumulations between 8 and 18 inches. Winds gusting as high as 45 mph along exposed ridgetops. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 4 PM PST Saturday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Precipitation will begin as snow for Snoqualmie Pass, before transitioning to rain this afternoon. Rain will then transition to snow again at Snoqualmie Pass tonight.

...SNOW THROUGH SATURDAY... .A significant change in the weather pattern has begun as a winter storm system arrives from the Pacific and brings moderate to heavy snow to the Cascades and Blue Mountains. * WHAT...Snow expected. Total snow accumulations between 5 and 10 inches with higher accumulations near the crest. Winds gusting as high as 45 mph along exposed ridgetops. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 4 PM PST Saturday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow levels will rise to around 5000 feet this afternoon. Snow levels will then lower to around 3000 feet and lower tonight onward.

...SNOW THROUGH SATURDAY... .A significant change in the weather pattern has begun as a winter storm system arrives from the Pacific and brings moderate to heavy snow to the Cascades and Blue Mountains. * WHAT...Snow expected above 4000 feet. Total snow accumulations between 6 and 12 inches. Local winds gusting as high as 35 mph will cause blowing and drifting of snow. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 4 PM PST Saturday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions. Strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...Total snowfall accumulations for I-84 along the Blue Mountains, including Meacham, are only expected to be around 3 to 5 inches.

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Admiralty Inlet Area. * WHEN...From 6 PM this evening to 1 AM PST Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...Heavy snow possible. Total snow accumulations between 2 and 6 inches possible. Higher amounts near the Olympics. * WHERE...Central Coast and Lower Chehalis Valley Area. * WHEN...From Saturday evening through Monday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute.

* WHAT...Heavy snow possible. Total snow accumulations between 2 and 6 inches possible. * WHERE...San Juan County and Western Whatcom County. * WHEN...From Saturday evening through Monday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute.

* WHAT...Heavy snow possible. Total snow accumulations between 2 and 6 inches possible. * WHERE...East Puget Sound Lowlands. * WHEN...From Saturday evening through Monday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute.

* WHAT...Heavy snow possible. Total snow accumulations between 3 and 9 inches possible. The highest snowfall amounts will be away from the water. Locally higher snowfall amounts are possible in the higher elevations. * WHERE...North Coast and Western Strait of Juan De Fuca. * WHEN...From this evening through Monday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning commute.

* WHAT...Heavy snow at or above elevations greater than 3000 ft. Snow accumulations between 10 and 30 inches. Possible higher amounts on Mount Rainier. Winds gusting as high as 40 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 4 PM PST Saturday. * IMPACTS...Travel could be very difficult to impossible.

* WHAT...Snow expected. Total snow accumulations between 1 and 4 inches with local amounts up to 6 inches. * WHERE...In Idaho, Upper Weiser River. In Oregon, Baker County and Oregon Lower Treasure Valley. * WHEN...From 8 AM MST /7 AM PST/ this morning to 5 PM MST /4 PM PST/ this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult. The hazardous conditions could impact the morning and evening commutes.

* WHAT...Snow and blowing snow expected. Total snow accumulations 2 to 6 inches expected, with up to 10 inches possible over the higher terrain of Winter Rim and the Warner Mountains. Winds gusting as high as 55 mph. * WHERE...Lake County and eastern Klamath County, Modoc County, and Klamath Basin. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Friday morning and evening commutes. Gusty winds could bring down tree branches.

* WHAT...Heavy snow expected. Total snow accumulations between 12 and 24 inches above 5000 feet, with up to 30 inches possible over the highest peaks and ridgetops. Winds gusting as high as 50 mph. * WHERE...The southern Oregon Cascades and Siskiyou Mountains. This includes Highways 138 and 230 near Diamond Lake, Highway 62 near Crater Lake, Highway 140 near Lake of the Woods and Highway 58 at Willamette Pass and the Mt Ashland Ski Road up to the resort. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. * ADDITIONAL DETAILS...Snowfall rates could reach 1 inch per hour at times.

...SNOW THROUGH SATURDAY WITH AREAS OF LIGHT FREEZING RAIN THIS MORNING... .A significant change in the weather pattern has begun as a winter storm system arrives from the Pacific and brings moderate to heavy snow to the Cascades and Blue Mountains. There will be rain and areas of light freezing rain across the Columbia Basin and the Kittitas and Yakima Valleys. * WHAT...Heavy snow expected above 3000 feet. Total snow accumulations between 8 and 18 inches. Winds gusting as high as 45 mph along exposed ridgetops. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 4 PM PST Saturday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Precipitation will begin as snow for Snoqualmie Pass, before transitioning to rain Friday afternoon. Rain will then transition to snow again at Snoqualmie Pass Friday night.