Active Weather Alerts
River Flood Warning
Issued: 11:48 AM Feb. 27, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT THROUGH SATURDAY EVENING... * WHAT...Minor flooding is occurring. * WHERE...Big Creek near Alpharetta. * WHEN...Until Saturday evening. * IMPACTS...At 8.0 feet, Minor flooding continues to expand further into the woodlands and fields along the creek from near Cumming in south Forsyth County to Alpharetta and Roswell in north Fulton County. Additional portions of The Big Creek Greenway have minor flooding with 1 to 2 feet of water. Most of the walking and biking paths will be closed...especially upstream and downstream from the gage on Kimball Bridge Road and near Rock Mill Park. Portions of the YMCA Campground off Preston Ridge Road will flood. * ADDITIONAL DETAILS... - At 6:30 AM EST Friday the stage was 7.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 6:30 AM EST Friday was 7.0 feet. - Forecast...The river is expected to rise to a crest of 7.7 feet this evening. It will then fall below flood stage by Saturday evening. - Flood stage is 7.0 feet. - Flood History...This crest compares to a previous crest of 7.7 feet on 02/14/2020. - http://www.weather.gov/safety/flood &&
Local Radar