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Area Forecast Discussion

AFDFFC

Area Forecast Discussion
National Weather Service Peachtree City GA
135 PM EST Sat Dec 6 2025


...Afternoon Area Forecast Discussion...

.KEY MESSAGES...
Updated at 122 PM EST Sat Dec 6 2025

- Rainfall totals of 0.10 to 0.40 inch are expected across
central and portions of north Georgia through Monday afternoon.

- Large swaths of central Georgia and portions of north Georgia
may see dense fog beginning tonight and extending through late
tomorrow (Sunday) morning.

- Rain chances (20% to 40%) will return Wednesday night through
Friday morning.


&&

.SHORT TERM...
(This afternoon through Sunday)
Issued at 122 PM EST Sat Dec 6 2025

Current radar imagery shows showers moving more into central GA
and should be on their way out of the area by later this
afternoon. Moist conditions are expected to hold into the
overnight hours with limited dry air movement. Another shortwave
moves across the southeast tomorrow surging moisture out ahead in
north and central Georgia tonight into tomorrow morning. Near
surface light easterly flow, increasing moisture, and some CAA
will drive the potential for widespread fog for areas mostly along
and south of I20. Visibilities may drop to 1/4 mile or less in
some areas and a dense fog advisory may be necessary for central
and portions of north Georgia. More patchy fog is also possible in
northern GA and may be co-located with temperatures near
freezing. Surfaces will likely not be cold enough for any rime
icing though there is some potential on the protected slopes in
far north Georgia. Low clouds and will likely hold conditions
steady late into the morning tomorrow (10/11am). Showers return to
the area once again tomorrow evening. No thunderstorms area
expected at this time.

&&

.LONG TERM...
(Monday morning through next Friday)
Issued at 122 PM EST Sat Dec 6 2025

The mid-/upper-level shortwave trough axis will shift east of the
County Warning Area (CWA) on Monday, in turn pushing what remains
of the Gulf moisture feed eastward as well. The result will be
rain showers -- likely relegated to the eastern half or so of the
CWA -- tapering off over the course of the day. The National Blend
of Models (NBM) added light snow mixing with rain in the north
Georgia mountains on Monday, but I opted to omit any frozen precip
as I suspect that the atmospheric profile will be too dry in the
mid-/upper-levels and too warm at/near the surface.

Tuesday and Wednesday will bring dry, mostly sunny conditions
thanks to high pressure and a continental airmass. Wednesday
should be a noticeably warmer day than Tuesday, with highs in the
mid-50s to lower 60s compared to upper 40s to mid-50s. This warm-
up will occur in response to low-/mid-level flow shifting from
northerly to westerly in advance of a northern stream
shortwave/jet streak that will dive southward and eastward across
the Ohio/Tennessee River Valleys Wednesday into Thursday. Like the
previous long term discussion mentioned, ensemble guidance
continues to differ regarding the southern extent of the
associated surface low and front, as well as how much moisture
will be in place. Have capped PoPs at 30% (analogous to widely
scattered showers) Wednesday night through Friday morning given
said forecast uncertainty.

As the forecast stands now, the end of the long term period could
bring quite the cool-down, with Saturday (12/13) morning lows in
the mid-20s to lower 30s across much of the CWA. Stay tuned!

&&
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