New York, Pennsylvania Severe Flash Flood Warning | Effective 07/21/2026 11:37

Headline: 
Flash Flood Warning issued July 21 at 2:37PM EDT until July 21 at 7:00PM EDT by NWS Binghamton NY
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 21, 2026 - 11:37am
Expires: 
July 21, 2026 - 4:00pm
Description: 
FFWBGM The National Weather Service in Binghamton has issued a * Flash Flood Warning for... Northwestern Sullivan County in central New York... East Central Wayne County in northeastern Pennsylvania... * Until 700 PM EDT. * At 237 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. The expected rainfall rate is 2 to 3 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. 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... Liberty, Damascus, Callicoon, Cochecton, Jeffersonville, White Sulphur Springs, Hazel, Roscoe, Livingston Manor, Hortonville, Fosterdale, Parksville, Hankins, Stalker, Willowemoc, Rockland, Fremont, Callicoon Center, Shandelee and Briscoe. Additional thunderstorms are expected to move into the area through the afternoon where conditions may become even worse.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks.
Area Description: 
Sullivan, NY; Wayne, PA
Forcast Office: 
NWS Binghamton NY