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Forecast Discussion for Atlanta/Peachtree City, GA
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450 FXUS62 KFFC 132331 AFDFFC Area Forecast Discussion National Weather Service Peachtree City GA 731 PM EDT Sun Sep 13 2026 ...New 00Z Aviation Discussion... .KEY MESSAGES... - Isolated showers and thunderstorms south and east of Macon through this evening. Most places will remain dry. - Surface high pressure will keep temperatures warm and limit meaningful rain chances (20% or less each afternoon) this next week. && .SHORT TERM... (This afternoon through Monday) Issued at 201 PM EDT Sun Sep 13 2026 Lingering LL moisture and an exiting midlevel trough axis has prompted in isolated showers and thunderstorms developing south and east of Macon this afternoon. Elsewhere, fair weather cumulus and warm temperatures prevail. Most places remain dry today with high temperatures in the low to mid 90s and upper 70s/low 80s at the higher elevations. Still pretty humid out there, heat indices in the 90s to low 100s, so make sure to stay hydrated and take frequent breaks inside. Skies clear out tonight and temperatures fall into the upper 60s to low 70s by Monday morning. Midlevel ridging will continue to slide into the region on Monday and a backdoor cold front will enter the area turning winds to the N/NE at the surface. A low chance for an isolated shower or storm at the higher elevations in association with the front but most will remain dry. The front will provide little if any relief from the heat as temperatures will once again rise back into the 90s and heat indices in the 90s to low 100s by the afternoon. && .LONG TERM... (Tuesday morning through next Saturday) Issued at 201 PM EDT Sun Sep 13 2026 The extended period begins Tue with an upper ridge centered over the GA/TN/NC borders along with a surface ridge/wedge nosing down the eastern seaboard from the New England states. By Tue morning the wedge will be firmly entrenched into North and Central GA with Eats to SE winds in the 8-12mph range. We will still have decent moisture across the area Tues as the drier airmass does not really start to move in until Wed. With the ridge/wedge building in we could still see a shower or two mainly across east central GA but not expecting much. As that drier air filters into the region Wed we will see Dewpoints drop into the low to middle 60s and continuing across the state through the end of the week. High temps stay in the upper 80s to lower 90s through the end of the week but with the drier air moving in Heat Index values will drop from the upper 902 to lower 100s Tue to the lower 90s Wed to Fri. Models show moisture beginning to return Fri evening into Sat as the ridge finally begins to break down. The continued east to southeasterly flow brings atlantic moisture in across the state as we get into the weekend. Right now just going with a 20% to 30% chance of showers and thunderstorms Sat/Sun. && .AVIATION... (00Z TAFS) Issued at 728 PM EDT Sun Sep 13 2026 Scattered high level clouds will clear out overnight with SKC through the remainder of the period. Winds out of the NW will shift to the NE ~15z tomorrow before shifting to the E closer to 00z. Speeds will be at 7kt or less. //ATL Confidence...00Z Update... High confidence on all elements. Hernandez && .PRELIMINARY POINT TEMPS/POPS... Athens 69 95 72 89 / 0 0 10 10 Atlanta 72 95 74 91 / 0 0 0 10 Blairsville 63 88 66 83 / 0 10 0 0 Cartersville 68 96 73 92 / 0 0 0 0 Columbus 72 96 74 95 / 0 0 0 0 Gainesville 69 94 72 86 / 0 0 10 10 Macon 71 95 72 93 / 0 0 0 10 Rome 68 96 71 93 / 0 0 0 0 Peachtree City 69 95 71 92 / 0 0 0 10 Vidalia 73 94 73 91 / 10 0 10 40 && .FFC WATCHES/WARNINGS/ADVISORIES... None. && $$ SHORT TERM...07 LONG TERM....01 AVIATION...Hernandez |
Previous Forecast Discussions may be found at
NWS Atlanta/Peachtree City, GA (FFC) Office Forecast Discussions.
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