Seattle, WA
39°
Partly cloudy
Feels like:30°
Dew point:34°
Humidity:82%
Barometer:29.93 in ↑
Visibility:10.0 mi
Wind:S at 17 mph
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Fog Slows Morning Traffic

Posted: 7:33 am PST November 17, 2008Updated: 8:33 am PST November 17, 2008

SEATTLE -- Thick fog slowed traffic during Monday morning's commute but was causing no significant delays at Sea-Tac Airport.

Washington State Ferries said there were some delays due to fog on ferry runs between Bremerton and Seattle and between Bainbridge Island and Seattle.

Fog cut visibility to about a quarter mile, making for a tricky drive, said reporter Jeff Dubois.

Dubois said there was heavy fog on Interstate 90 on the Eastside and on I-5 into Seattle. Along Highway 99 in SeaTac, headlights seemed to appear out of nowhere and taillights disappeared in the fog.

At SeaTac, most flights were on time. Get the latest flight information here.

Forecasters said a large ridge of high pressure will keep Western Washington dry, with morning fog giving way to a partly sunny afternoon.

Copyright 2008 by KIROTV.com. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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Detailed Forecast

Rebecca Stevenson
Rebecca Stevenson is Chief Meteorologist for KIRO 7 Eyewitness News. Stevenson holds the Seal of Approval from the American Meteorological Society (AMS) and the National Weather Association.
Meteorologist Profile

Weather to Expect:

Numerous showers and a risk of thunderstorms in western Washington tonight as a trough of low pressure moves through.
Showers will continue overnight into Saturday morning, temperatures will be chilly in the morning in the low to mid 30s. The showers will be locally heavy within a convergence zone which poses the risk of wet snow mixing with rain within the zone. The snow level is near 1,500 feet so that it would not be difficult for a heavy shower to bring wet snow as low as 1,000 feet. That would bring the potential to locations like Cougar mountain, Issaquah Alps and Tiger mountain through early Saturday morning. Accumulation is not expected but it would make for slippery roads in the higher elevations.
A new frontal system, storm #5, will bring increasing rain and breezy winds Saturday afternoon and evening. The storm will not be as powerful as the last 4 but will make itself known with more rain on top of already saturated soils. Highs will be cool in the 40s.
Sunday will begin with scattered showers which will decrease through the afternoon. More sunbreaks are expected and highs will be in the mid 40s.

Be prepared for winter driving in the passes. A Winter Weather Advisory is in effect for the Cascades through 6am as snow showers will bring an additional 6-10" of snow overnight....especially in the convergence zone between Stevens and Snoqualmie Pass. ~Rebecca

3 - Day Forecast
Sat
Rain
45
Sun
Showers
47
Mon
Wind and Rain
48
Seattle Metropolitan Area
Weather to Expect:

Numerous showers and a risk of thunderstorms in western Washington tonight as a trough of low pressure moves through.
Showers will continue overnight into Saturday morning, temperatures will be chilly in the morning in the low to mid 30s. The showers will be locally heavy within a convergence zone which poses the risk of wet snow mixing with rain within the zone. The snow level is near 1,500 feet so that it would not be difficult for a heavy shower to bring wet snow as low as 1,000 feet. That would bring the potential to locations like Cougar mountain, Issaquah Alps and Tiger mountain through early Saturday morning. Accumulation is not expected but it would make for slippery roads in the higher elevations.
A new frontal system, storm #5, will bring increasing rain and breezy winds Saturday afternoon and evening. The storm will not be as powerful as the last 4 but will make itself known with more rain on top of already saturated soils. Highs will be cool in the 40s.
Sunday will begin with scattered showers which will decrease through the afternoon. More sunbreaks are expected and highs will be in the mid 40s.

Be prepared for winter driving in the passes. A Winter Weather Advisory is in effect for the Cascades through 6am as snow showers will bring an additional 6-10" of snow overnight....especially in the convergence zone between Stevens and Snoqualmie Pass. ~Rebecca