Use major streets or highways for travel whenever possible. New Yorkers are urged to use public transportation. Temperatures will cool into the upper 40s by Monday morning. Breezy winds develop Saturday afternoon, with a few gusts likely Sunday.

Lingering showers may continue into early Saturday evening, with dry conditions expected by Saturday night. Widespread, major impacts are not expected. Low-lying, poor drainage and frequent flood locations may be especially vulnerable.

Where the heaviest rainfall rates develop, flooding could be locally significant - causing disruption to transportation flooding of basements, first-floor residences and businesses, and underground infrastructure and posing an elevated threat to life. Locally, upwards of four inches of rainfall is possible. Moderate to heavy showers and thunderstorms are forecast to begin late Friday night through Saturday afternoon, with a few inches of rain expected over a roughly six-hour period. The National Weather Service has issued a Flood Watch citywide, effective Saturday from 2:00 AM until 8:00 PM. While widespread, major impacts are not expected, I want to stress the vital need for all New Yorkers, especially those in low-lying and flood-prone areas, including below-grade living spaces, to take precautions, sign up for emergency notifications via Notify NYC, pay attention to changes in the forecast, and heed official guidance to keep yourselves and your loved ones safe.” “Our primary concern is a six-hour period of moderate to heavy rain late Friday night through early Saturday afternoon. “We have activated the Flash Flood Emergency Plan in anticipation of heavy rainfall as we head into the weekend,” said NYCEM Commissioner Iscol. I urge every New Yorker - especially those in areas more susceptible to flooding - to stay alert by signing up for Notify NYC now.” “Our emergency management teams, first responders, and key city agencies are fully activated and tightly coordinated to face the coming rains head-on. “New York City does not wait for a storm to prepare - we are already several steps ahead,” said Mayor Adams. NEW YORK – New York City Mayor Eric Adams and the New York City Emergency Management (NYCEM) Commissioner Zach Iscol today advised New Yorkers to take safety measures in anticipation of heavy rainfall and flash flooding, beginning late Friday night and continuing into Saturday. Periods of Moderate to Heavy Rain May Produce Locally Significant Impacts on Travel, Transportation, and Infrastructure Late Friday Night into Saturday NYC WEATHER ALERT: NEW YORKERS STRONGLY URGED TO TAKE SAFETY MEASURES IN PREPARATION FOR PERIODS OF HEAVY RAINFALL, FLASH FLOODING TONIGHT AND TOMORROW

First flash flood emergency nyc