280
FNUS52 KCHS 092013
FWFCHS

Fire Weather Planning Forecast for SE South Carolina and SE Georgia
National Weather Service Charleston SC
412 PM EDT Sun Aug 9 2026

.DISCUSSION...
Atlantic high pressure will return today. Typical summertime
showers and thunderstorms are expected through early this week.
Western Atlantic high pressure will supply the region with a hot
and humid air mass for much of this week.


SCZ045-100800-
Inland Berkeley-
413 PM EDT Sun Aug 9 2026

                      Tonight      Mon          Mon Night    Tue

Cloud Cover           Mclear       Pcldy        Pcldy        Mclear
Precip Type           Tstms        Tstms        Tstms        None
Chance Precip (%)     30           40           30           0
Precip Amount         0.01         0.04         0.06         0.00
Precip Duration       0            1            1
Precip Begin          6 PM         11 AM        Continuing
Precip End            9 PM         Continuing   10 PM
Min/Max Temp          74           92           75           95
Max/Min RH %          100          60           97           52
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var      W  3
Wind 20ft/late(mph)   Lgt/Var      SW  3        Lgt/Var      W  4
Inversion             2000         0900         2000         0900
Dispersion            Very Poor                 Very Poor
Max ADI Early         4 Very Poor  39 Fair      4 Very Poor  51 Gen Good
Max ADI Late          1 Very Poor  59 Gen Good  2 Very Poor  78 Good
Max LVORI Early       8            10           7            7
Max LVORI Late        9            3            8            1
Mixing Hgt(ft-agl)    400          5100         400          5900
Transport Wind (mph)  SW  2        W 10         SW  3        W 10
Vent Rate (mph-ft)    800          51000        1200         59000
DSI                                2                         2
Turner Stability      6            1            6            2

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly clear. Lows in the mid 70s. Maximum RH
90 percent. Southwest winds around 5 mph.
.WEDNESDAY...Sunny with a 20 percent chance of showers and
thunderstorms. Highs in the mid 90s. Minimum RH 51 percent. West
winds around 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Maximum
RH 88 percent. Southwest winds around 5 mph.
.THURSDAY...Sunny. Highs in the upper 90s. Minimum RH 50 percent.
West winds 5 to 10 mph.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 70s. Maximum
RH 89 percent. Southwest winds 5 to 10 mph.
.FRIDAY...Mostly sunny with a 20 percent chance of showers and
thunderstorms. Highs in the mid 90s. Minimum RH 52 percent. West
winds 5 to 10 mph.
.FRIDAY NIGHT...Partly cloudy with a 30 percent chance of showers
--
Charleston-
413 PM EDT Sun Aug 9 2026

                      Tonight      Mon          Mon Night    Tue

Cloud Cover           Mclear       Pcldy        Pcldy        Mclear
Precip Type           None         Tstms        Tstms        Tstms
Chance Precip (%)     0            30           20           20
Precip Amount         0.00         0.03         0.03         0.00
Precip Duration                    1            1            0
Precip Begin                       9 AM         Continuing   2 PM
Precip End                         Continuing   2 AM         6 PM
Min/Max Temp          76           92           76           94
Max/Min RH %          100          63           99           56
Wind 20ft/early(mph)  S  5 G15     SW  4        SW  7 G18    W  5 G15
Wind 20ft/late(mph)   SW  4        SW  7 G18    SW  5 G17    SW  7 G18
Inversion             2000         0900         2000         0900
Dispersion            Poor                      Fair
Max ADI Early         6 Very Poor  39 Fair      8 Poor       46 Gen Good
Max ADI Late          3 Very Poor  47 Gen Good  6 Very Poor  67 Good
Max LVORI Early       6            8            6            6
Max LVORI Late        7            3            7            2
Mixing Hgt(ft-agl)    400          4500         400          5900
Transport Wind (mph)  SW  6        SW 10        SW  7        W 12
Vent Rate (mph-ft)    2400         45000        2800         70800
DSI                                2                         2
Turner Stability      6            2            5            2

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly clear. Lows in the upper 70s. Maximum RH
92 percent. Southwest winds 10 to 15 mph.
.WEDNESDAY...Sunny with a 20 percent chance of showers and
thunderstorms. Highs in the mid 90s. Minimum RH 60 percent. West
winds 10 to 15 mph.
.WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Maximum
RH 89 percent. Southwest winds 10 to 15 mph.
.THURSDAY...Sunny. Highs in the mid 90s. Minimum RH 59 percent.
West winds 10 to 15 mph.
.THURSDAY NIGHT...Partly cloudy. Lows around 80. Maximum RH
91 percent. Southwest winds 10 to 15 mph.
.FRIDAY...Mostly sunny with a 20 percent chance of showers and
thunderstorms. Highs in the mid 90s. Minimum RH 62 percent.
Southwest winds 10 to 15 mph.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of showers
and thunderstorms. Lows in the upper 70s. Maximum RH 95 percent.
Southwest winds 10 to 15 mph.
.SATURDAY...Mostly sunny with a 50 percent chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 68 percent.
Southwest winds 10 to 15 mph.
.SATURDAY NIGHT...Partly cloudy with a 40 percent chance of
showers and thunderstorms. Lows in the upper 70s. Maximum RH
95 percent. Southwest winds 10 to 15 mph.
.SUNDAY...Mostly sunny with a 30 percent chance of showers and
thunderstorms. Highs in the lower 90s. Minimum RH 68 percent.
East winds 5 to 10 mph.