* WHAT...For the first Winter Weather Advisory, snow expected at or
above elevations greater than 4500 ft. Additional snow
accumulations up to 3 inches. For the second Winter Weather
Advisory at or above elevations greater than 3500 ft, snow
expected. Total snow accumulations of 5 to 12 inches.
* WHERE...West Slopes South Central Cascades and Passes.
* WHEN...For the first Winter Weather Advisory, until 4 PM PST this
afternoon. For the second Winter Weather Advisory, from 10 AM
Saturday to 10 AM PST Sunday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Snow expected at or above elevations greater than 3500 ft.
Total snow accumulations between 4 and 10 inches.
* WHERE...West Slopes North Cascades and Passes and West Slopes
North Central Cascades and Passes.
* WHEN...From 10 AM Saturday to 10 AM PST Sunday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* ADDITIONAL DETAILS...Snow will transition to a rain and snow mix
at Snoqualmie Pass Saturday night into Sunday morning. A brief
period of light freezing rain may be possible early Sunday
morning. Total snow accumulations of 2 to 6 inches expected at
Snoqualmie Pass.
* WHAT...For the first Winter Weather Advisory, snow expected at or
above elevations greater than 4500 ft. Additional snow
accumulations up to 3 inches. For the second Winter Weather
Advisory at or above elevations greater than 3500 ft, snow
expected. Total snow accumulations of 5 to 12 inches.
* WHERE...West Slopes South Central Cascades and Passes.
* WHEN...For the first Winter Weather Advisory, until 4 PM PST this
afternoon. For the second Winter Weather Advisory, from 10 AM
Saturday to 10 AM PST Sunday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* WHAT...Snow. Snow accumulations 4 and 7 inches. Between Coles
Corner and Stevens Pass 5 to 10 inches is expected.
* WHERE...Leavenworth, Stehekin, Plain, Holden Village, and Stevens
Pass.
* WHEN...Until 10 AM PST Saturday.
* IMPACTS...Travel could be difficult. The hazardous conditions
could impact the Friday evening commute.
* WHAT...Snow. Total snow accumulations 2 to 5 inches. Locations
along the Columbia River will generally see 1 to 2 inches. The
mountains above 3000 feet will see 4 to 8 inches, with locally
higher amounts in Idaho.
* WHERE...Tiger, Priest River, Chewelah, Orin-Rice Road, Fruitland,
Eastport, Springdale-Hunters Road, Kettle Falls, Flowery Trail
Road, Metaline, Northport, Deer Park, Metaline Falls, Colville,
Sandpoint, Bonners Ferry, Clark Fork, Newport, Athol, Schweitzer
Mountain Road, and Ione.
* WHEN...Until 10 AM PST Saturday.
* IMPACTS...Travel could be difficult. The conditions could impact
the Friday evening commute.
* WHAT...Snow. Snow accumulations between 2 and 4 inches. Locations
along the Okanogan and Columbia River will see 1 to 2 inches. Loup
Loup and Sherman Passes are expected to see 5 to 7 inches.
* WHERE...Methow, Republic, Wauconda, Highway 20 Wauconda Summit,
Omak, Mazama, Conconully, Loup Loup Pass, Okanogan, Oroville,
Chesaw Road, Winthrop, Tonasket, Disautel Pass, Brewster, Twisp,
Nespelem, Inchelium, Sherman Pass, Bridgeport, and Boulder Creek
Road.
* WHEN...Until 7 AM PST Saturday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Friday evening commute.
* WHAT...Snow. Snow accumulations between 2 and 4 inches. On the
higher benches of the Waterville Plateau 4 to 7 inches expected.
Along the Columbia River accumulations will generally be 1 to 2
inches.
* WHERE...Number 1 Canyon, Entiat, Waterville, Mansfield, Wenatchee,
Chelan, Badger Mountain Road, Number 2 Canyon, Cashmere, and
Pangborn Airport.
* WHEN...Until 2 AM PST Saturday.
* IMPACTS...Travel could be difficult. The conditions could impact
the Friday evening commute.
* WHAT...Mixed precipitation of light snow, sleet or freezing rain
until early afternoon. Additional snow accumulations less than one
inch, with less than a tenth of an inch (0.10) of new ice
accumulation expected.
* WHERE...In Oregon, Upper Hood River Valley. In Washington, South
Washington Cascades.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Roads, and especially bridges and overpasses, may be
slick and icy.
* WHAT...Snow. Snow accumulations 4 and 7 inches. Between Coles
Corner and Stevens Pass 5 to 10 inches is expected.
* WHERE...Leavenworth, Stehekin, Plain, Stevens Pass, and Holden
Village.
* WHEN...Until 10 AM PST Saturday.
* IMPACTS...Travel could be difficult. The hazardous conditions
could impact the Friday morning and evening commutes.
* WHAT...Snow. Total snow accumulations 2 to 5 inches. Locations
along the Columbia River will generally see 1 to 2 inches. The
mountains above 3000 feet will see 4 to 8 inches, with locally
higher amounts in Idaho.
* WHERE...Metaline, Athol, Northport, Springdale-Hunters Road,
Eastport, Newport, Deer Park, Chewelah, Fruitland, Orin-Rice Road,
Priest River, Colville, Schweitzer Mountain Road, Kettle Falls,
Flowery Trail Road, Metaline Falls, Ione, Sandpoint, Clark Fork,
Bonners Ferry, and Tiger.
* WHEN...From 9 AM this morning to 10 AM PST Saturday.
* IMPACTS...Travel could be difficult. The conditions could impact
the Friday evening commute.
* ADDITIONAL DETAILS...Snow will not reach the Canadian border till
11 am or after. There is a 20 to 30 percent chance of freezing
rain across northern Spokane and Kootenai counties as well as
southern Stevens and Bonner counties. Ice accumulations would be a
light glaze to five hundredths.
* WHAT...Snow. Snow accumulations between 2 and 4 inches. Locations
along the Okanogan and Columbia River will see 1 to 2 inches. Loup
Loup and Sherman Pass is expected to see 5 to 7 inches.
* WHERE...Wauconda, Oroville, Inchelium, Winthrop, Chesaw Road,
Omak, Twisp, Nespelem, Okanogan, Disautel Pass, Loup Loup Pass,
Mazama, Highway 20 Wauconda Summit, Conconully, Brewster, Boulder
Creek Road, Republic, Sherman Pass, Methow, Tonasket, and
Bridgeport.
* WHEN...Until 7 AM PST Saturday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Friday evening commute.
* WHAT...Snow. Snow accumulations between 2 and 4 inches. On the
higher benches of the Waterville Plateau 4 to 7 inches expected.
Along the Columbia River accumulations will generally be 1 to 2
inches.
* WHERE...Wenatchee, Chelan, Entiat, Badger Mountain Road, Pangborn
Airport, Waterville, Mansfield, Cashmere.
* WHEN...Until 2 AM PST Saturday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Friday morning and evening commutes.
* ADDITIONAL DETAILS...There is a 20 percent chance of freezing rain
with accumulation of a light glaze.
* WHAT...Freezing rain expected. Ice accumulations around a light
glaze to 0.15". Some pockets of up to two tenths of ice.
* WHERE...Coeur d'Alene, Cheney, Davenport, Wilbur, Reardan, Edwall,
Hayden, Worley, Post Falls, Airway Heights, Creston.
* WHEN...Until 1 PM PST this afternoon.
* IMPACTS...Plan on slippery road conditions. Freezing rain could
impact the Friday morning commute.
* WHAT...Wet snow. Additional snow accumulations up to 4 inches.
* WHERE...Upper and Lower Slopes of the Eastern Washington Cascades
Crest.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
* WHAT...Wet snow. Additional snow accumulations up to two inches.
* WHERE...Kittitas Valley and Yakima Valley.
* WHEN...Until 4 PM PST this afternoon.
* 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.
* WHAT...Mixed precipitation. Additional snow accumulations up to
two inches and ice accumulations around a light glaze.
* WHERE...Simcoe Highlands.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Mixed precipitation expected. Total snow accumulations of 3
to 10 inches and ice accumulations around a light glaze.
* WHERE...West Slopes South Central Cascades and Passes.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Travel could be very difficult to impossible.
* WHAT...Mixed precipitation. Light snow accumulations up to one
inch and ice accumulations of a tenth to a quarter of an inch
likely between 500 and 2500 feet. Higher accumulations of three to
four tenths possible above 3000 feet.
* WHERE...In Oregon, North Oregon Cascades and Upper Hood River
Valley. In Washington, South Washington Cascades.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
Patchy dense fog will affect the Blue Mountain Foothills through
the early morning hours. Visibilities will be 1/4 mile or less in
area impacted by dense fog. If you encounter fog, slow down, use
low beam headlights and allow for extra space between your vehicle
and those around you.
* 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...Until 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.