Flash Flood Warning — DeKalb County, Georgia
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 September 11 at 5:59PM EDT until September 11 at 10:30PM EDT by NWS Peachtree City GA
At 559 PM EDT, Emergency management reported thunderstorms producing flash flooding in portions of north Clayton and south Fulton counties, including at the interchange of I-85 and I-285 and near Forest Park. Between 2.5 and 4 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Emergency management reported. 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... Atlanta, Jonesboro, City of South Fulton, East Point, Union City, Forest Park, Riverdale, College Park, Morrow, Hapeville, Lake City, Hartsfield-Jackson Airport, Conley, Fort Gillem, Lakewood Park, Ellenwood, Gresham Park and Rex.
Effective September 11, 2026 at 5:59 PM ET · Expires September 11, 2026 at 10:30 PM ET
Event Details
Event Type
Flash Flood Warning
Severity
severe
Issued By
NWS Peachtree City GA
Expires
September 11, 2026 at 10:30 PM ET
Last Checked
1 minute ago
What To Do
📋 Official NWS Guidance
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. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Also In Effect For
This same Flash Flood Warning also covers:
Other Active Alerts in Georgia
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Get Flash Flood Warning Alerts for DeKalb County
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Frequently Asked Questions
What does a Flash Flood Warning mean for DeKalb County, Georgia?
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 (1 minute ago). It's set to expire September 11, 2026 at 10:30 PM ET.
How do I get notified about Flash Flood Warning alerts for DeKalb County?
Download StormCast free on Google Play and set DeKalb County, Georgia 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 Clayton County, Fulton County.