NYC Weather Flash Flood Watch & Warning

Heavy storms bring imminent flood risk across New York City. Monitor alerts and stay safe.

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NYC Weather Flash Flood Watch & Warning

NWS has issued a Flash Flood Watch effective 2 PM July 31 through Friday morning. NYC officials warn of heavy rainfall ahead The Independent+14NYC.gov+14ABC7 New York+14.

Flash Flood Warnings Activate

Alerts issued for Bronx, Manhattan, Queens & Staten Island between ~2:53 PM – 3:07 PM, expiring between 5:30–6:15 PM EDT

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Rainfall Rates & Totals Forecast

Expect 1.5–3 inches, with isolated totals up to 5–8 inches in some NYC areas. Peak flood risk during evening commute

Moderate Risk for Flash Floods in NYC

NOAA assigns Moderate (Level 2/4) risk to NYC amid repeated rain training—increasing urban flash flood potential

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NYCEM & State of Emergency Activated

Mayor Adams and NYCEM activated Flash Flood Emergency Plan. Gov. Hochul declared state of emergency at 2 PM in NYC & surrounding counties NYC.govgovernor.ny.gov

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Impacts on NYC Weather & Transit

Heavy rainfall may cause basement flooding, subway delays, and flooded roadways—especially in poor drainage & low-lying zones

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Flash Flood Timeline: July 31

– 2 PM – Flood Watch begins – ~2–3 PM – Storms develop – 5–6 PM – Most intense rainfall – Warnings expire by ~6:15 PM, Watch stays active overnight

Flash Flood Timeline: July 31

– 2 PM – Flood Watch begins – ~2–3 PM – Storms develop – 5–6 PM – Most intense rainfall – Warnings expire by ~6:15 PM, Watch stays active overnight

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Next Steps: Stay Safe, Stay Informed

Stay indoors until Friday morning. Monitor official NYC weather sources, share this story, and read full blog for ongoing updates on NYC weather.

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