Atlanta/ Weather & Environment

Hotlanta Sizzles Through Monday Before Midweek Storms and Cooldown

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Published on September 19, 2026
Hotlanta Sizzles Through Monday Before Midweek Storms and CooldownAtlanta Central Business District — Weather Coverage Landmark
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Atlanta is heading into another furnace-like Saturday, with temperatures reaching about 94 degrees and heat-index values as high as 100. The weekend is not staying entirely dry.

Saturday Starts Sunny, Then Turns Unsettled

The National Weather Service lists a 30% chance of precipitation for Saturday, with afternoon and evening storm chances and light northeast winds. Any storms that develop could bring strong gusty winds, frequent lightning and pockets of heavy rain, according to the National Weather Service.

Saturday night stays warm, with a low near 72 and a 10% chance of showers and thunderstorms. No watches, warnings or advisories are listed for the Atlanta forecast area, but the combination of heat and sudden storms could complicate outdoor plans.

Sunday Stays Hot Before Storm Chances Rise

Sunday should have a high near 92 and only a 10% daytime rain chance. A slight chance of evening showers and thunderstorms returns Sunday night, when temperatures settle near 72.

Monday brings more widespread thunderstorms in the afternoon, with storm chances between 50% and 75% through Tuesday. The latest outlook extends the unsettled turn into early week, building on Hoodline's earlier forecast of heat followed by increasing storm activity.

Cooler Air Arrives By Midweek

Tuesday brings a high near 87, with a chance of showers and thunderstorms before 8 a.m., followed by a slight chance. Wednesday brings temperatures in the upper 80s to low 90s, followed by a noticeable cooldown into the 60s at night.

Thursday and Friday should bring drier conditions, with temperatures in the mid- to low-80s toward the end of the week. For Saturday and Sunday, residents spending time outside should plan for water, shade and breaks during the hottest part of the afternoon, and head indoors immediately if thunder is heard.