Showers and thunderstorms are expected ahead and along a slow-moving cold front this afternoon through early Friday.
Heaviest rain from around 5-7 PM this evening through 1-3 AM Fri for NYC, Western Long Island, NE NJ, SW CT, and Lower Hudson Valley.
Heaviest rain from around 10PM-midnight tonight through 6-8AM Fri for Central and Eastern Long Island as well as Southeastern CT from New Haven to New London.
Highest chances of thunderstorms tonight into early Friday.
HAZARDS & IMPACTS
Flash Flooding: 1 to 2 inches of total rainfall with up to near 3 inches locally. Rainfall rates of ½ to 1 inch per hour. Scattered flash flooding of urban and poor drainage areas is possible. Minor flooding along small streams and creeks could occur.
Damaging Wind: Wind gusts in excess of 58 mph could damage trees and power lines and result in scattered power outages.
Tornadoes: An Isolated tornado can not be ruled out tonight into early Friday.
Flash Flood Watch: NE NJ, NYC, Lower Hudson Valley, Nassau County NY and Fairfield County CT from 4 PM this afternoon until 8 AM Fri.
Stay up to date on NWS website here.