Flood Watch Issued for North Jersey and NYC: Severe Storms and Torrential Rain Expected Today
the staff of the Ridgewood blog
Ridgewood NJ, The National Weather Service (NWS) in New York has issued a comprehensive Flood Watch effective from 8:00 AM EDT today through late tonight for major portions of northeast New Jersey and southeast New York.
With multiple rounds of heavy showers and severe thunderstorms in the forecast, localized flash flooding and urban drainage issues are expected throughout the region.
Weather Alert Overview & Timeline
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Alert Type: Flood Watch & Hazardous Weather Outlook
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Effective Window: Today from 8:00 AM EDT through late tonight (Tuesday, July 21, 2026)
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Primary Threat: Heavy rainfall leading to flash flooding, rising rivers, and localized urban runoff
Areas Impacted
The alert covers significant portions of the New York metropolitan area and northern New Jersey:
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Northeast New Jersey: Eastern & Western Bergen, Essex, Passaic, and Union counties, as well as Hudson County.
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Southeast New York: Manhattan (New York County), Brooklyn (Kings), the Bronx, Northern & Southern Queens, and Staten Island (Richmond).
Expected Rainfall Totals & Hazards
Metereologists predict that repeating bands of severe thunderstorms could dump several inches of water over short periods:
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Average Rainfall: 1 to 2 inches expected across most covered zones.
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Isolated Maximums: Localized areas could see 3 to 4 inches of total accumulation.
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Peak Rainfall Rates: Strongest storms may produce up to 2.5 inches of rain per hour, creating instant runoff in low-lying and paved areas.
Impact Warning: Excessive runoff is likely to cause flooding along streams, creeks, rivers, and low-lying highways. Urban streets with poor drainage face high risk during peak storm windows.
Precautionary & Safety Actions
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Monitor Forecast Updates: Keep tuned to local news or NOAA Weather Radio for upgraded Flood Warnings.
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Avoid Flooded Roads: Never drive through flooded streets or underpasses—turn around, don’t drown.
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Prepare Low-Lying Properties: Move essential items out of flood-prone basements or yards before heavy downpours begin.
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Safety Resources: Review official safety measures on the National Weather Service Flood Safety Page.
Key Takeaways
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Risk: Flash flooding and severe thunderstorms.
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Timing: Active from Tuesday morning (8:00 AM EDT) through late Tuesday night.
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Coverage: Tri-state metro area including Bergen County, Essex, Hudson, NYC boroughs, and surrounding regions.
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