UPDATE 3:40 p.m.: A Friday morning storm could dump 2 to 4 inches of snow in the Seattle area, creating hazardous conditions for the morning commute, according to a “Winter Storm Watch” issued this afternoon by the National Weather Service.
“If you must travel in the watch area, carry an extra flashlight, food, water, and blankets in case of an emergency,” said the advisory, issued at 3:30 p.m.
The snow is not expected to fall until after midnight Thursday. By the Friday morning commute period, Tacoma could get 2 inches of snow, areas from Seattle northward could get 2 to 4 inches and areas north and east of Puget Sound could get 5 inches of snow.
By Friday afternoon, the precipitation is expected to change to rain.
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“The morning commute could be pretty messy,” said Johnny Burg, National Weather Service meteorologist.
Burg said much of Western Washington could get 1 to 5 inches of snow. The Cascade foothills are likely to get more than the Seattle area.
The precise timing and amount of snow are difficult to forecast, but Burg said in the Central Puget Sound area the snow could start between 4 a.m. and 7 a.m. Friday and switch to rain by late morning.