New York Severe Flash Flood Warning | Effective 07/21/2026 11:58

Headline: 
Flash Flood Warning issued July 21 at 2:58PM EDT until July 21 at 7:00PM EDT by NWS Buffalo NY
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 21, 2026 - 11:58am
Expires: 
July 21, 2026 - 4:00pm
Description: 
FFWBUF The National Weather Service in Buffalo has issued a * Flash Flood Warning for... Northern Erie County in western New York... Southern Niagara County in western New York... * Until 700 PM EDT. * At 258 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. 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. 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... Niagara Falls, North Tonawanda, Lockport, Amherst, Tonawanda, Grand Island, Pendleton, Lewiston, Sanborn, Pendleton Center, Cambria Center, East Amherst, Rapids, Ransomville, Model City, Gasport and Wolcottsville.
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. Hikers in the Niagara Gorge and Niagara Falls State Park should avoid areas of fast moving water.
Area Description: 
Erie, NY; Niagara, NY
Forcast Office: 
NWS Buffalo NY