Heat Advisory in effect across metro Atlanta Tuesday, heat index up to 108 degrees expected by afternoon

Tue, 21 Jul 2026 05:30:00 -0400

The National Weather Service office in Peachtree City issued a Heat Advisory covering most of metro Atlanta and eastern Georgia from noon to 8 p.m. Tuesday, with afternoon heat index values forecast between 105 and 108 degrees.

The advisory comes after a Monday that already pushed heat index readings to 100-plus across north Georgia. Tuesday’s advisory covers Fulton, DeKalb, Cobb, Gwinnett, Clayton, Henry, Fayette, Rockdale, Douglas, Cherokee, Forsyth, Hall, and Paulding counties, along with most of east-central Georgia east of I-20.

Excessive-Heat on WACN 21 News

Heat Advisory in effect across metro Atlanta Tuesday, heat index up to 108 degrees expected by afternoon