The Fourth of July weekend will kick off on Long Island with warm and sunny weather Friday, according to the National Weather Service, before thunderstorms roll in early Saturday. 

But don't cancel those plans for backyard barbecues and beach outings just yet — warm and sunny weather will return on Sunday and the forecast for Independence Day calls for pleasant weather. 

Friday's forecast calls for mostly sunny skies over Long Island, with a high near 83, according to the weather service. But clouds will roll in late Friday, and showers and thunderstorms are expected Friday night and into Saturday morning. 

Showers and possible thunderstorms will continue throughout Saturday morning and into the afternoon. Temperatures on Long Island will top off at 83 degrees, the weather service said.

Saturday afternoon's forecast calls for showers and possibly a thunderstorm before 8 p.m., along with gusty winds and heavy rain later in the day. The temperature will drop to about 67

Mostly sunny skies will return on Sunday, with a high near 82, the weather service said.

“The front will be slow to clear the forecast area, with chances for showers and thunderstorms in the vicinity of the boundary into early Sunday morning,” the weather service said.

Sunday night will be partly cloudy, with a low around 66.

Another high-pressure system will set in, and New Yorkers can anticipate a mostly sunny July 4th holiday on Monday.

Clear skies are also predicted for Tuesday when the workweek resumes.

Rain might return on Wednesday, with the chances of showers estimated at 30%, due to an upper-level low-pressure system, the weather service said.

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