Flood Warning Issued for Big Creek Near Cumming in Forsyth County

Alert Details

The National Weather Service in Peachtree City, GA, has issued a Flood Warning for Big Creek at GA 9 near Cumming. This alert was issued on the morning of February 27, 2026, as minor flooding is currently occurring in the area.

Affected Areas

The warning specifically impacts Forsyth County, Georgia. The primary area of concern is Big Creek at Georgia Highway 9 near Cumming, including the natural flood plain upstream and downstream from the gage at Atlanta Highway.

What You Should Do

Residents and motorists are advised to take the following precautions:

• Turn around, don’t drown: Never attempt to drive through flooded roads. Most flood-related deaths occur in vehicles.
• Avoid the Big Creek Greenway: Portions of the sidewalk and boardwalk are expected to flood.
• Monitor conditions: Stay updated via local weather reports or weather.gov/atlanta.

Expected Conditions

As of 5:45 AM EST on Friday, the river stage was recorded at 6.1 feet, exceeding the flood stage of 6.0 feet.

Specific impacts include:

• Greenway Flooding: Large portions of the Big Creek Greenway sidewalk and boardwalk will begin to flood.
• Roadway Impacts: Areas under the Georgia 400 Highway and McFarland Road are expected to be covered with approximately one foot of water.
• Pedestrian Hazards: A portion of the sidewalk under Majors Road will be covered with roughly two feet of water.

Timeline

The Flood Warning is effective from the morning of Friday, February 27, 2026, and will remain in effect until further notice. The current crest of 6.1 feet is comparable to a previous crest recorded on March 12, 2023.