What to KnowMore rough weather is expected to slam the tri-state area through Monday night, bringing rainfall rates up to 2 inches an hour at times, which could pose major problems for transit and power.There’s been a significant shift in the flash flood threat for today and tonight. The flood threat has diminished a bit for NYC and NJ; it’s highest north and east, including LI and CT. It comes on the heels of a third straight day of storms, some of which brought hurricane-force gusts to parts of Long Island; trees came down. Debris could clog drains and sewers, making matters worse. Flood watches remain in effect tri-state-wide as excessive rainfall continues. Those could escalate. Check the latest weather alerts for your neighborhood here. In NYC, Mayor Zohran Mamdani urged people to prepare for flash flooding potential; he suggested NYers limit travel if they can Monday, plan for delays, and take alerts seriously. NJ Transit has already seen storm impacts; the NYC subway system is prepared to handle up to 1.75 inches of water an hour; a 2-inch-an-hour clip could flood it
The slow-moving but powerful storm system that hit the tri-state area Sunday night after nearly a week of stifling heat continues to thrash the region Monday, with Long Island and Connecticut set to get hammered as rainfall rates up to 2 inches an hour threaten to overwhelm NYC subways.
Flood threat maps saw a significant shift overnight. Isolated rainfall totals topping 4 inches are possible by day’s end. Meanwhile, cleanup from the weekend storms is ongoing.
Track the latest weather developments in our live blog below.