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Western Washington forecast

Another cold night with fog an frost developing late. Additional clouds expected Thursday with cooler temperatures.

PUGET SOUND FORECAST:

Quiet and clear conditions will linger tonight as another round of patchy fog and frost is ahead late.  Lows will drop between the low to mid 30s, with southeast winds at 2 to 5 mph. 

DISCUSSION:

It was a breezy day along the foothills and through the passes, as easterly winds frequently gusted above 40 mph in those locations.  Those easterly winds however, acted as a warming mechanism and helped Sea-Tac airport up to 60° which tied a daily record set back in 1939.

Tonight, winds will gradually weaken, leading to more fog for the lowlands. Thursday, a weak system introduces a few more clouds into the forecast in the form of high thin clouds, which will filter the sunshine, but not completely block it out.

It will still be a while before our next chance of rainfall, which is only looking to bring a few showers next Sunday, but it does look like a wetter weather system will push in on Monday and turn to off and on showers during the day on Tuesday.

No snowfall is expected in the mountains until later on Monday or Tuesday. 

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