A dry weekend will follow the midweek's unsettled weather around Pittsburgh.
Warm and humid air that moved in recently will be slow to leave, despite an impressive push of cool air farther to the east over the mid-Atlantic.
Spotty showers are possible on Thursday.
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Late in the week the moisture will be squeezed to the south and west as cooler air mixes in from the north and east.
The result will be a reduction in not only shower activity, but also lower humidity levels that should carry through the coming weekend.
Showers and drenching thunderstorms will return on Tuesday as the warmth hangs on and humidity increases.
While Hurricane Marie will stay well offshore of Los Angeles next week, it will bring a new round of dangerous surf to some Southern California beaches.
A great white shark was spotted at Duxbury Beach in Massachusetts earlier this week, forcing the evacuation of the water.
While Hurricane Cristobal will track east of the United States this week, it will spread rough surf along much of the Atlantic coast and will have some direct impact on Bermuda.
Warm weather fans in the Boston area will have something to be happy about this week, but Atlantic Ocean bathers may need to be aware of Cristobal.
Warm weather fans in the Harrisburg, Pennsylvania, area will have something to be happy about this week, but Atlantic Ocean bathers may need to be aware of Cristobal.
While the weather over much of the Atlantic and Pacific coasts will be free of rain this Labor Day weekend, a zone of unsettled weather will reach across part of the Central states.