New York Severe Flash Flood Warning | Effective 07/18/2026 09:55

Headline: 
Flash Flood Warning issued July 18 at 12:55PM EDT until July 18 at 5:00PM EDT by NWS Buffalo NY
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 18, 2026 - 9:55am
Expires: 
July 18, 2026 - 2:00pm
Description: 
FFWBUF The National Weather Service in Buffalo has issued a * Flash Flood Warning for... Northern Genesee County in western New York... Monroe County in western New York... Southeastern Niagara County in western New York... Orleans County in western New York... * Until 500 PM EDT. * At 1255 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2 inches of rain have fallen. Additional rainfall amounts up to 1 inch 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... Rochester, Greece, Irondequoit, Chili, Lockport, Brockport, East Rochester, Medina, Albion, Hilton, Webster, Brighton, Gates-North Gates, Henrietta, Penfield, Spencerport, Byron, Churchville, Middleport and Holley.
Instruction: 
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.
Area Description: 
Genesee, NY; Monroe, NY; Niagara, NY; Orleans, NY
Forcast Office: 
NWS Buffalo NY