Flash Flood Warning — Onondaga County, New York
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Current Status
🌊 Active: Flash Flood Warning
Flash Flood Warning issued August 7 at 2:57PM EDT until August 7 at 6:00PM EDT by NWS Binghamton NY
FFWBGM The National Weather Service in Binghamton has issued a * Flash Flood Warning for... Northern Cortland County in central New York... Southwestern Madison County in central New York... Southeastern Onondaga County in central New York... * Until 600 PM EDT. * At 257 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. The expected rainfall rate is 1 to 2 inches in an hour. 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... Pompey, Homer, Cazenovia, Morrisville, Stockbridge, Nelson, Preble, Scott and Tully.
Effective August 7, 2026 at 2:57 PM ET · Expires August 7, 2026 at 6:00 PM ET
Event Details
Event Type
Flash Flood Warning
Severity
severe
Issued By
NWS Binghamton NY
Expires
August 7, 2026 at 6:00 PM ET
Last Checked
2 hours ago
What To Do
📋 Official NWS Guidance
Be aware of your surroundings and do not drive on flooded roads.
Also In Effect For
This same Flash Flood Warning also covers:
Other Active Alerts in New York
Flood Advisory
Severe Thunderstorm Warning
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Flash Flood Warning
Get Flash Flood Warning Alerts for Onondaga County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Flash Flood Warning mean for Onondaga County, New York?
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Is this Flash Flood Warning currently active?
Yes — this alert is active as of our last check (2 hours ago). It's set to expire August 7, 2026 at 6:00 PM ET.
How do I get notified about Flash Flood Warning alerts for Onondaga County?
Download StormCast free on Google Play and set Onondaga County, New York as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Flash Flood Warning is also in effect for Cortland County.