Skies will be clear Saturday as temperatures reach into the mid-80s for the day, before dropping Sunday and turning into showers, the first of two possible days of rain, according to the National Weather Service.

Temperatures on Saturday will reach a high of 84 degrees, the weather service said. The low will be around 69.

The state Department of Environmental Conservation on Friday afternoon issued an air quality advisory for the metropolitan area effective on Saturday from 11 a.m. to 11 p.m. because of expected ozone pollution.

By Sunday, which will be a high of 81, showers and thunderstorms will likely happen at night into Monday morning mainly after 2 a.m.

The new workweek is expected to start Monday with showers and thunderstorms before 2 p.m. and showers and possibly a thunderstorm after 2 p.m.

The possibility of rain lasts through Tuesday night, and on Wednesday, the sun should return, according to the weather service.

"Highs Monday and Tuesday look to be close to normal in the upper 70s and lower 80s," the forecast said. "Temperatures may trend back above normal for the middle of next week."

What began as a desperate hunt for Shannan Gilbert in the marshes near Gilgo Beach became, in three astonishing days in December 2010, the unmasking of a possible serial killer. NewsdayTV's Doug Geed has more.  Credit: Newsday/A. J. Singh; File Footage; Photo Credit: SCPD

'We had absolutely no idea what happened to her' What began as a desperate hunt for Shannan Gilbert in the marshes near Gilgo Beach became, in three astonishing days in December 2010, the unmasking of a possible serial killer. NewsdayTV's Doug Geed has more.

What began as a desperate hunt for Shannan Gilbert in the marshes near Gilgo Beach became, in three astonishing days in December 2010, the unmasking of a possible serial killer. NewsdayTV's Doug Geed has more.  Credit: Newsday/A. J. Singh; File Footage; Photo Credit: SCPD

'We had absolutely no idea what happened to her' What began as a desperate hunt for Shannan Gilbert in the marshes near Gilgo Beach became, in three astonishing days in December 2010, the unmasking of a possible serial killer. NewsdayTV's Doug Geed has more.

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