Flash Flood Warning

Locations Affected

White Plains, NY ∙ Hastings-on-Hudson, NY ∙ Rye Brook, NY ∙ Eastchester, NY ∙ Valhalla, NY ∙ Purchase, NY ∙ Greenburgh, NY ∙ Pemberwick, CT ∙ Fairview, NY ∙ North Castle, NY

Full Alert Message

BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service New York NY 1134 AM EDT Tue Jul 21 2026 The National Weather Service in Upton has issued a * Flash Flood Warning for... Southern Fairfield County in southern Connecticut... Central Westchester County in southeastern New York... * Until 245 PM EDT. * At 1134 AM EDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 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 and automated gauges. 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... Stamford, White Plains, Port Chester, New Canaan, Rye, Tarrytown, Mount Kisco, Dobbs Ferry, Greenwich, Harrison, Scarsdale, Hawthorne, Bedford, Eastchester, Mamaroneck, Rye Brook, Hastings-on-Hudson, Greenville, Pleasantville and Tuckahoe. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Excessive runoff from heavy rainfall will cause flooding of urban areas, highways, streets and underpasses as well as other drainage areas and low lying spots. && LAT...LON 4122 7381 4118 7354 4094 7368 4092 7374 4098 7389 FLASH FLOOD...RADAR AND GAUGE INDICATED EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR

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