A woman walks in the rain at Nassau Community College....

A woman walks in the rain at Nassau Community College. (March 13, 2010) Credit: Newsday / Karen Wiles Stabile

Bundle up, Long Island. The area will see temperatures in the 20s this evening, with the chance of a coastal storm on Sunday.

The National Weather Service is predicting clear skies tonight, but temperatures are forecast to dip to below freezing. Lows are expected to be in the mid-20s.

On Saturday, temperatures will be back in the 40s with winds between 10 and 20 mph.

A coastal storm could hit Long Island Sunday night with significant rain and possible flooding through Monday night, forecasters said.

NewsdayTV's Doug Geed is heading 'Out East' to showcase the ultimate local spots you need to explore. Credit: Randee Daddona, Michael Rupolo

Out East Show: Visit The Shamrock evergreen maze, Sannino Vineyard, Seven Ponds Orchard and the Warrior Ranch Foundation NewsdayTV's Doug Geed is heading 'Out East' to showcase the ultimate local spots you need to explore.

NewsdayTV's Doug Geed is heading 'Out East' to showcase the ultimate local spots you need to explore. Credit: Randee Daddona, Michael Rupolo

Out East Show: Visit The Shamrock evergreen maze, Sannino Vineyard, Seven Ponds Orchard and the Warrior Ranch Foundation NewsdayTV's Doug Geed is heading 'Out East' to showcase the ultimate local spots you need to explore.

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