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Wet, cold Monday in store for Long Island as coastal storm predicted

This NOAA satellite image taken Sunday, Dec. 7,

This NOAA satellite image taken Sunday, Dec. 7, 2014 at 12:45 p.m. shows a band of dense clouds off the Atlantic Seaboard and extending across Florida into the northern Gulf of Mexico associated with a frontal boundary. Credit: AP / Weather Underground

A windy but clear Sunday will turn into a soggy week as a coastal storm blows into the region, bringing 2 to 3 inches of rain Monday night through Tuesday, the National Weather Service said.

It will be windy Sunday with gusts as high as 40 miles per hour, said David Stark, meteorologist with the National Weather Service in Upton. The temperature will be in the upper 30s and mostly sunny.

Temperatures will dip into the low 20s overnight. With the wind chill, it will feel like the low teens by Monday's morning commute, he said.

Temperatures Monday will be in the upper 30s, with increasing cloudiness, Stark said. There's a chance of light rain Monday afternoon, with rain intensity picking up Monday night.

Rain will be heavy at times on Tuesday, with a "low probability" of some snow mixed in, and wind gusts will be between 35 and 45 miles per hour, the weather service said.

"It's going to feel raw and chilly," Stark said.

Forecasters are watching for the possibility of coastal erosion and flooding in coastal areas on Tuesday morning and early afternoon, he said. There is a "low potential" for flash flooding Tuesday, according to a weather service advisory issued early Sunday.

The system will move slowly toward New England on Wednesday, and it will remain cloudy with the chance of showers persisting through Thursday. Temperatures are expected to be in the 40s.

Conditions will improve by Friday, with a sunny forecast and temperatures expected in the 40s.

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