Newsday's weather radar map shows rain spreading across Long Island.

Newsday's weather radar map shows rain spreading across Long Island. Credit: Newsday.com

Meteorologist Jim Connolly said Long Islanders can expect showers “pretty much all day now” on Monday, with the heaviest rain and potential thunderstorms in the afternoon and evening.

“That would be the primary time to look for ... any kind of flooding,” Connolly said. “It's just difficult to determine exactly how much you're going to get, but the potential is there.”

A flood watch remains in effect in the area until 6 a.m. Tuesday.

The National Weather Service forecasts up to 2 inches of rainfall for the Island, possibly higher in some areas.

Connolly said Monday morning that no flooding is imminent or occurring at the moment as the service remains in a “watch stage,” but it will continue to monitor and issue warnings should that change.

Drivers should avoid traveling through any flooded roads.

“The biggest takeaway is to be aware that flooding could occur ... people tend to get stuck,” Connolly said.

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