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Area Forecast Discussion

AFDFFC

Area Forecast Discussion
National Weather Service Peachtree City GA
220 AM EST Tue Dec 9 2025

...Morning Area Forecast Discussion...

.KEY MESSAGES...
Updated at 212 AM EST Tue Dec 9 2025

- Significant rainfall is not anticipated in the region through
at least the middle of next week.

- Mild temperatures, highs mainly in the 50s and lower 60s, will
continue in the region through the end of the workweek.

&&

.SHORT TERM...
(Today through Wednesday)
Issued at 212 AM EST Tue Dec 9 2025

Today through Wednesday:

A weak wedge front sliding into the region this morning will produce
low cloud cover and help limit high temperatures northeast Georgia
this afternoon. Cloud cover should be the most widespread between 4
AM and 11 AM before boundary layer mixing takes hold and it mixes
out this afternoon. Areas of western and northwest Georgia should
see the most sunshine today, and consequently highs in the lower
50s are favored.

Quiet weather and light winds will prevail tonight. This will
open the door for radiational cooling, especially in central
Georgia where high cloud cover should be more sparse. As a
consequence overnight lows in the upper 20s and lower 30s are
anticipate, with the coldest temps (outside of the mountains)
expected in east central Georgia.

Southerly winds ahead of a cold front will bring WAA to Georgia on
Wednesday. Temperatures should respond by surging upwards (by about
10 degrees). Central Georgia should reach the lower 60s Wednesday
afternoon, while widespread highs in the upper 50s can be expected in
north Georgia. The stronger southerly flow should also produce wind
gusts in the 20 to 25 mph range during the afternoon.

&&

.LONG TERM...
(Wednesday night through Monday)
Issued at 212 AM EST Tue Dec 9 2025

On Wednesday night, shortwave troughing will be rotating through the
Ohio Valley region towards the Northeast CONUS around the southern
side of a closed mid-level low over Southeast Canada. As this
occurs, it will serve to intensify an associated surface low moving
from the Great Lakes towards Maine. A cold front extending from this
low will meanwhile be pushing through north Georgia. With limited
low level moisture, precipitation is looking increasingly unlikely
ahead of this front, with PoPs of 15% or less being confined to the
higher elevations of far northeast Georgia. Northwesterly flow at
the surface and aloft will bring a reinforcing shot of cool and dry
air into the forecast area. Low temperatures on THursday morning are
expected to be in the upper 20s to low 30s to the north of I-85 and
largely to the mid 30s to the south. High pressure building over the
Southeast will promote benign weather conditions across the area on
Thursday. Highs pn Thursday will range from the upper 40s to low 50s
in north Georgia (with low to mid 40s in the mountains) and mid to
upper 50s in central Georgia.

After Friday morning begins with lows in the low 30s across the
majority of the forecast area, the center of the surface high will
move east of Georgia during the daytime. Southwesterly low level
flow on the back side of the high will allow for gradual moisture
return, with dewpoints climbing from the 20s and low 30s to near 40
by Friday night. High temperatures will also be on the rise under
the high and with warm advection from the Gulf, rising to the mid
50s to low 60s in north Georgia and mid 60s in central Georgia on
Friday afternoon. Also on Friday, a quick-hitting disturbance will
move southeastward through the jet, from the northern Great Plains
towards the Ohio Valley region. Global model guidance indicates that
increased mid-level moisture ahead of this feature could advance
into north Georgia, but continues to disagree on the strength of the
disturbance. Overall, forcing associated with this disturbance
appears that it will be weak as far south as north Georgia, but a
few isolated showers could be possible amid the increasing low level
moisture if there is a sufficient mass response. With guidance
continuing the trend towards drier solutions, PoPs associated with
this system are limited to 10-15% in north and portions of west
Georgia Friday night into Saturday.

Both low and high temperatures on Saturday and Sunday have trended
warmer than the previous forecast, with a slower progression of a
cold front ahead of a building Arctic high surface high approaching
from the northwest. Isolated to scattered showers, with PoPs of 20-
30%, are forecast in portions of north Georgia Saturday night into
Sunday morning, with rain chances fizzling out by Sunday afternoon.
Rainfall amounts are forecast to be about 0.10 inch in the far
northern tier, with even less substantial totals to the south. There
is the potential for significantly colder air to set up behind the
front starting Sunday night into Monday, though the extent of how
much temperatures drop will depend on the movement of the high`s
center and the proximity of north/central Georgia to the core of the
coldest air. Latest long range guidance is favoring a weakening of
the surface high and a more northward track into the midwest, which
would favor a less extreme temperature drop. Plenty of run to run
inconsistency remains at this time, so the evolution and track of
this Arctic high will need to be monitored.

&&
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