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Elev 116 ft, 41.16 °N, 73.77 °W

Chappaqua, NY Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Chappaqua, NY
Elevation: 116ft
Nearby Weather Stations

Active Weather Alerts

Flash Flood Warning
Issued: 11:21 AM Aug. 23, 2026 – National Weather Service
The National Weather Service in Upton has issued a

* Flash Flood Warning for...
Bronx County in southeastern New York...
Kings (Brooklyn) County in southeastern New York...
Nassau County in southeastern New York...
New York (Manhattan) County in southeastern New York...
Queens County in southeastern New York...
South Central Westchester County in southeastern New York...

* Until 915 AM EDT.

* At 721 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 1.5 inches of rain
have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area. Flash flooding is ongoing or expected to begin
shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar indicated.

IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.

* Some locations that will experience flash flooding include...
Jamaica, Flatbush, Flushing, Mott Haven, East Tremont, Freeport,
Valley Stream, Long Beach, Glen Cove, Garden City, Lynbrook,
Mineola, Woodmere, Westbury, Rockaway Beach, Great Neck, Crown
Heights, Kennedy Airport, Throgs Neck Bridge and Laguardia Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

If you are in a basement, be prepared to move to a higher floor.

&&


FLASH FLOOD...RADAR INDICATED;
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR

Flood Advisory
Issued: 10:37 AM Aug. 23, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 830 AM EDT THIS MORNING...

* WHAT...Flooding caused by excessive rainfall is expected.

* WHERE...Southeastern Bergen County in northeastern New Jersey...
Hudson County in northeastern New Jersey...
Bronx County in southeastern New York...
Kings (Brooklyn) County in southeastern New York...
Nassau County in southeastern New York...
New York (Manhattan) County in southeastern New York...
Queens County in southeastern New York...
Southern Westchester County in southeastern New York...

* WHEN...Until 830 AM EDT.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Ponding of water in urban or other areas is occurring or is
imminent.

* ADDITIONAL DETAILS...
- At 637 AM EDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 0.5 and 1 inch of rain has
fallen.
- Additional rainfall amounts of 0.5 to 1.5 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Jamaica, Yonkers, Flatbush, New Rochelle, Flushing, Mott Haven,
East Tremont, Freeport, Valley Stream, Long Beach, Glen Cove,
Coney Island, Garden City, Lynbrook, Mineola, Woodmere, Rye,
Westbury, Rockaway Beach and Ridgefield.
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&



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