North Charleston, South Carolina 7 Day Weather Forecast

Wx Forecast - Wx Discussion - Wx Aviation

044
FXUS62 KCHS 141842
AFDCHS

Area Forecast Discussion
National Weather Service Charleston SC
142 PM EST Sat Nov 14 2026

.WHAT HAS CHANGED...
All sections have been updated.

&&

.KEY MESSAGES...
- 1) Frost/freeze conditions tonight through Sunday night.

&&

.DISCUSSION...
KEY MESSAGE 1: Frost/freeze conditions tonight through Sunday
night.

The center of a large 1030 mb will settle just north of the Ohio
River Valley by 12Z Sunday. As dry high pressure builds over the
forecast area, the pressure gradient across SE GA/SC will decrease
tonight. Winds could completely decouple across inland counties
tonight, with light and variable winds across the coastal counties.
Shallow cumulus clouds across the region this afternoon should
dissipate early this evening. REFS indicates that sky is expected to
remain clear through late tonight, then thin high clouds sourced
from the Southern Plains may reach SE GA around daybreak Sunday.
Given nearly optimal radiational cooling condition, the cooler
temperature guidance will be favored. Using a blend of cooler
guidance, low temperatures are forecast to range from the upper 20s
inland to mid 30s across the coastal counties away from the beaches.
A Freeze Warning has been posted for inland SE GA/SC. A Frost
Advisory will be issued for coastal SC counties and the I-95
corridor of SE GA. Hours of frost supporting temperatures should
favor widespread to areas of frost tonight.

If widespread freezing temperatures occur tonight into Sunday
morning, then this will end the local growing season and
Frost/Freeze products will not be issued for Sunday night into
Monday morning. However, if only some areas observe freezing
temperatures, then the growing season continues and we will likely
need Frost/Freeze products on Sunday night into Monday morning.
Regardless of the outcome, overnight temperatures will be below
normal for this time of year.

&&

.AVIATION /18Z SATURDAY THROUGH THURSDAY/...
18Z TAFs: VFR. Steady north winds this afternoon will become
light and variable tonight. North winds should return to 5 to 10
kts after sunrise Sunday. Patchy to areas of frost may develop
on untreated aircraft during the pre-dawn hours on Sunday.

Extended Aviation Outlook: VFR.

&&

.MARINE...
High pressure centered over the mid to upper Mississippi Valley
tonight will gradually move eastward, becoming located over the Mid-
Atlantic states by the middle of next week. A light to fresh breeze
along with low seas should prevail through Monday. As the High gets
closer to our region late Monday, the surface pressure gradient will
become elevated, leading to increasing winds and building seas.
Gusts to >=25 kts and seas >=6 ft (Small Craft Advisory) will
develop across our GA waters Monday night, then spread into our SC
waters on Tuesday. If this forecast holds, we may need Small Craft
Advisories for most of our marine zones by the middle of next
week.

&&

.CHS WATCHES/WARNINGS/ADVISORIES...
GA...Freeze Warning from 1 AM to 9 AM EST Sunday for GAZ087-088-
     099>101-114-115.
     Frost Advisory from 1 AM to 9 AM EST Sunday for GAZ137-216-218-
     238-240.
SC...Freeze Warning from 1 AM to 9 AM EST Sunday for SCZ040-042>045-
     147.
     Frost Advisory from 1 AM to 9 AM EST Sunday for SCZ148>150-152.
MARINE...None.

&&

$$