SEATTLE – Monday will be a very wet day in the region with more than half an inch of rain likely, with locally higher amounts.
The instability will bring a possibility of thunderstorms which may contain small hail, gusty winds, lightning and heavy rain.
There is a risk of urban flooding in places where rain cannot drain quickly.
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A flood watch is in effect for Mason County, including the town of Shelton through Tuesday afternoon.
In addition to heavy rain, winds will be gusty at times as the cold front passes.
Gusts will range from 25 to 35 mph, up to nearly 50 mph. A wind advisory is in effect through Monday evening in the Puget Sound area.
A high wind warning has been issued for parts of the coast and near the coast of Skagit and Whatcom counties as well.
The biggest story with the strongest storm will be the heaviest mountain snow in weeks.
The snow increased in intensity Sunday evening and will continue through Monday and Tuesday before easing.
Snow levels will be around 2500 feet so we should have good snow even up to Snoqualmie Pass at that elevation.
Expect one to two feet of snow across the passes with more than two feet possible on the higher peaks.
A winter storm warning is in effect through Tuesday for the entire Cascade Mountain Range.
Pass travel will sometimes become difficult, if not impossible, during the Tuesday period, so travelers should keep this in mind.
Rain and snow in the mountains will ease later Tuesday before drier and warmer weather next Wednesday and Thursday.
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