Flood Warning — Cobb County, Georgia
Flooding is occurring or imminent along rivers, streams, or low-lying areas.
Current Status
🌊 Active: Flood Warning
Flood Warning issued September 12 at 12:32PM EDT by NWS Peachtree City GA
...The National Weather Service in Peachtree City GA has issued a Flood Warning for the following rivers in Georgia... Nickajack Creek at US 278 near Mableton affecting Cobb County. * WHAT...Minor flooding is occurring. * WHERE...Nickajack Creek at US 278 near Mableton. * WHEN...From this afternoon until further notice. * IMPACTS...At 10.0 feet, Flood stage is reached. Minor flooding will occur in the woodlands and the natural flood plain upstream and downstream from the gage at Veterans Memorial Highway. Portions of Nickajack Park will begin to flood around one mile upstream from the gage. * ADDITIONAL DETAILS... - At 12:00 PM EDT Saturday the stage was 10.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 12:00 PM EDT Saturday was 10.2 feet. - Forecast...No forecast is available for this location. - Flood stage is 10.0 feet. - Flood History...This crest compares to a previous crest of 10.2 feet on 12/30/2021. - http://www.weather.gov/safety/flood
Effective September 12, 2026 at 12:32 PM ET · Expires September 13, 2026 at 1:00 AM ET
Event Details
Event Type
Flood Warning
Severity
severe
Issued By
NWS Peachtree City GA
Expires
September 13, 2026 at 1:00 AM ET
Last Checked
3 hours ago
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at weather.gov/atlanta.
Other Active Alerts in Georgia
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Severe Thunderstorm Warning
Flash Flood Warning
Flash Flood Warning
Get Flood Warning Alerts for Cobb 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 Flood Warning mean for Cobb County, Georgia?
Flooding is occurring or imminent along rivers, streams, or low-lying areas.
Is this Flood Warning currently active?
Yes — this alert is active as of our last check (3 hours ago). It's set to expire September 13, 2026 at 1:00 AM ET.
How do I get notified about Flood Warning alerts for Cobb County?
Download StormCast free on Google Play and set Cobb 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.