Area Forecast Discussion
Issued by NWS Atlanta, GA
Issued by NWS Atlanta, GA
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
314 FXUS62 KFFC 040702 AFDFFC Area Forecast Discussion National Weather Service Peachtree City GA 302 AM EDT Fri Sep 4 2026 ...Morning Area Forecast Discussion... .KEY MESSAGES... - Above normal temperatures and triple digit heat indices stick around through Saturday. A Heat Advisory is in effect across portions of Northwest Georgia through Friday evening. - Scattered showers and thunderstorms will develop this afternoon across portions of Central Georgia. - Daily chances for showers and thunderstorms continue over the weekend into early next week. && .SHORT TERM... (Today through Saturday) Issued at 222 AM EDT Fri Sep 4 2026 The ridge that has been responsible for our recent stretch of relatively hot and humid weather will remain parked over the area again today. Under mostly sunny skies and light easterly winds, muggy low temps in the 70s this morning will rise to the 90s by the afternoon. Heat index values will peak in the 100-105 range, highest in Northwest GA where a Heat Advisory is in effect through this evening. Across Central GA, there will be potential for some relief from the heat this afternoon as some moisture surges in from the south and supports scattered afternoon showers and storms. These will be our typical summertime pop-up storms, capable of producing gusty winds, frequent lightning, and locally heavy rainfall. On Saturday, the persistent ridge will finally start to be pinched westward as broad troughing nudges in from the northeast. Even with this slight shift in the pattern, it will be another day of highs in the 90s and heat index values in the triple digits as the hot and humid airmass persists. Sufficient moisture and instability will support isolated to scattered afternoon showers and storms across the area. A few members of the high-resolution model suite have a weakening line of storms moving from TN into North GA during the evening to overnight hours associated with a shortwave, but confidence in this threat is quite low at this time. && .LONG TERM... (Saturday night through Thursday) Issued at 222 AM EDT Fri Sep 4 2026 The long-term pattern begins with the upper-level ridge temporarily shifting westward allowing for greater influences of an upper-level through anchored along the eastern seaboard. On Sunday, a few impulses of instability will move along the trough and eject into the CWA preceding a weak backdoor `cold` front. This will contribute to the possibility of more organized showers and thunderstorms Sunday afternoon through the overnight period. As such, some of these storms could be strong to isolated severe with Machine learning (ML) models highlighting some risk over the CWA. The main consideration is how much instability remains over our area during the period of increased forcing and that is to be determined. All that being said, the primary threat from these storms would be strong to damaging wind gusts, frequent lightning, and heavy rainfall. Beyond the weekend, temperatures will start off a little cooler on Monday with increased cloud cover behind our front as the upper- level ridge begins to pendulum back toward our area into the first of next week. Expect temperatures to climb back into the low to mid 90s through the week along with the isolated to scattered diurnal thunderstorm chances. && .AVIATION... (06Z TAFS) Issued at 156 AM EDT Fri Sep 4 2026 Mostly SKC and VFR conditions across the area early this morning, except patchy FG and IFR CIGs possible around MCN from 10-14Z. CU fields of 4-5kft develop this afternoon, with SCT SHRA/TSRA around the CSG and MCN sites through the evening. There is potential for an ISO SHRA/TSRA as far north as ATL, but chances are too low to include. Winds light and variable through the morning, becoming E-SE at 5-8 kts during the day on Friday. //ATL Confidence...06Z Update... High on all elements. Culver && .PRELIMINARY POINT TEMPS/POPS... Athens 96 73 97 72 / 0 0 20 20 Atlanta 95 75 95 75 / 10 0 20 20 Blairsville 90 69 90 67 / 20 10 30 10 Cartersville 96 74 97 73 / 10 0 20 20 Columbus 95 75 95 75 / 20 10 40 10 Gainesville 94 74 95 73 / 0 0 20 20 Macon 93 73 94 73 / 20 10 20 20 Rome 97 73 96 72 / 10 0 20 20 Peachtree City 94 73 95 72 / 10 0 20 20 Vidalia 93 74 94 74 / 60 10 30 10 && .FFC WATCHES/WARNINGS/ADVISORIES... Heat Advisory until 8 PM EDT this evening for GAZ001>005-011-012- 019-020-030. && $$ SHORT TERM...Culver LONG TERM....82 AVIATION...Culver