164
FOUS52 KCHS 122136
PFMCHS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
536 PM EDT WED AUG 12 2026
SCZ150-130800-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N 80.03W ELEV. 45 FT
536 PM EDT WED AUG 12 2026
DATE 08/12/26 THU 08/13/26 FRI 08/14/26 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 77 98 79 98 80
TEMP 88 82 80 77 78 92 98 94 87 84 82 81 81 92 97 94 88 84 82 81 82
DEWPT 75 76 75 75 75 76 74 76 78 77 77 77 77 76 75 77 79 78 78 77 78
RH 66 82 85 94 91 60 47 56 75 80 85 88 88 60 50 58 75 82 88 88 88
WIND DIR SW SW SW W W W W SW S SW SW SW SW W SW SW S SW SW SW W
WIND SPD 6 5 5 5 5 6 6 10 10 8 6 6 5 5 8 11 10 9 8 6 6
CLOUDS FW SC CL FW FW FW SC SC SC FW B1 B1 FW FW SC SC SC SC SC SC SC
POP 12HR 10 10 10 20 10
QPF 12HR 0 0 0 0.05 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
TSTMS S S
HEAT INDEX 98 105110107100 94 90 105110109103 95 91 91
MAX HEAT 105 94 110 108 98 90 110 110 100 91
EXTREME HEAT W W W
HEAT
DATE 08/15 SUN 08/16/26 MON 08/17/26 TUE 08/18/26 WED 08/19/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 97 78 95 79 99 80 100 79 96
TEMP 97 88 81 80 94 88 82 81 98 91 83 81 98 89 82 80 94 88
DEWPT 76 79 78 78 75 77 77 77 73 77 76 76 73 78 78 78 75 77
PWIND DIR SW SW SE SW SW SW SW SW S
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 SC SC SC SC SC FW FW FW FW FW FW FW SC SC SC SC
POP 12HR 30 20 20 20 10 10 20 30 30
RAIN SHWRS C S S S S C C
TSTMS C S S S S C C
GAZ218-130800-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N 81.20W ELEV. 50 FT
536 PM EDT WED AUG 12 2026
DATE 08/12/26 THU 08/13/26 FRI 08/14/26 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 77 98 78 99 79
TEMP 89 83 80 78 79 91 97 96 89 83 81 79 80 91 98 96 90 84 82 80 80
DEWPT 75 75 74 74 74 77 75 75 76 76 75 74 75 77 76 76 77 77 76 75 76
RH 64 77 82 88 85 64 50 51 66 80 82 85 85 64 50 53 66 80 82 85 88
WIND DIR W SW W W W W W W S SW SW SW W W W S S S SW SW W
WIND SPD 4 3 3 4 4 5 5 5 5 4 3 3 3 3 4 6 5 4 4 4 4
CLOUDS SC FW CL FW FW FW B1 SC SC FW SC SC SC SC B1 SC SC SC FW FW FW
POP 12HR 10 40 20 20 10
QPF 12HR 0 0.03 0 0.02 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S S
TSTMS S S S S S
HEAT INDEX 99 90 105110108100 91 105113110103 94
MAX HEAT 107 95 110 111 96 113 113 100
EXTREME HEAT W W W
HEAT
DATE 08/15 SUN 08/16/26 MON 08/17/26 TUE 08/18/26 WED 08/19/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 98 78 98 79 100 80 102 79 99
TEMP 98 92 81 79 97 90 82 80 99 93 83 81100 92 82 80 97 90
DEWPT 76 76 76 76 75 75 76 75 74 74 75 75 73 75 76 76 74 75
PWIND DIR SW SW SW SW W SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC SC SC FW FW FW SC FW FW FW SC SC FW SC
POP 12HR 20 20 20 20 10 5 20 30 30
RAIN SHWRS S S S S S C C
TSTMS S S S S S C C
SCZ150-130800-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N 79.94W ELEV. 10 FT
536 PM EDT WED AUG 12 2026
DATE 08/12/26 THU 08/13/26 FRI 08/14/26 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 80 95 81 95 81
TEMP 87 85 82 81 82 91 95 92 87 84 83 82 82 91 95 92 87 85 83 82 83
DEWPT 79 79 78 77 77 79 79 81 80 80 79 79 79 80 81 81 81 80 80 79 79
RH 77 82 88 88 85 68 60 70 80 88 88 91 91 70 64 70 82 85 91 91 88
WIND DIR SW SW W W W W SW S SW SW SW SW SW SW SW S S SW SW SW W
WIND SPD 6 5 4 4 4 4 8 11 9 6 5 5 4 4 9 11 10 8 6 5 4
CLOUDS FW SC FW FW FW FW SC FW FW FW B1 B1 SC FW SC FW SC SC SC SC SC
POP 12HR 10 10 10 10 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS
TSTMS
HEAT INDEX 100 97 91 108113112103 97 94 92 92109115113104 99 95 92 94
MAX HEAT 107 98 91 113 113 101 94 115 115 103 94
EXTREME HEAT W W W
HEAT
DATE 08/15 SUN 08/16/26 MON 08/17/26 TUE 08/18/26 WED 08/19/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 95 80 93 81 96 82 97 81 93
TEMP 95 87 83 81 92 87 83 83 95 89 85 83 96 88 84 82 92 87
DEWPT 81 80 80 79 80 79 79 79 79 80 79 78 79 80 80 79 80 79
PWIND DIR SW SW SE SW SW SW SW SW SE
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC SC SC FW FW FW FW FW FW FW SC SC SC SC
POP 12HR 20 20 20 10 10 10 20 30 30
RAIN SHWRS S S S S C C
TSTMS S S S S C C
SCZ148-130800-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N 80.72W ELEV. 37 FT
536 PM EDT WED AUG 12 2026
DATE 08/12/26 THU 08/13/26 FRI 08/14/26 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 78 99 79 99 80
TEMP 88 82 80 79 80 91 98 96 88 84 82 81 81 92 98 96 89 85 83 81 82
DEWPT 75 76 75 74 75 77 77 77 78 77 76 75 76 78 77 78 79 78 77 76 77
RH 66 82 85 85 85 64 51 55 72 80 82 82 85 64 51 56 73 80 82 85 85
WIND DIR SW SW W W W W W SW SW SW SW SW W W SW S S S SW SW W
WIND SPD 4 3 3 4 4 5 5 6 6 4 4 4 3 4 4 8 6 5 5 4 3
CLOUDS SC SC CL FW FW FW SC SC SC SC SC SC FW FW SC SC SC SC FW FW SC
POP 12HR 10 20 20 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS
TSTMS
HEAT INDEX 98 105114111102 94 107114113105 97 92 90
MAX HEAT 107 94 114 114 97 114 116 101 90
EXTREME HEAT W W W
HEAT
DATE 08/15 SUN 08/16/26 MON 08/17/26 TUE 08/18/26 WED 08/19/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 98 79 97 80 100 81 101 80 98
TEMP 98 90 82 82 96 89 83 82 99 91 84 82100 91 83 82 96 88
DEWPT 78 78 77 77 77 78 77 77 76 77 76 76 75 77 77 77 77 78
PWIND DIR SW SW SW SW SW SW SW SW S
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC B1 SC SC SC SC FW FW FW SC FW SC FW SC SC SC SC
POP 12HR 20 20 10 10 10 5 20 20 30
RAIN SHWRS S S S S C
TSTMS S S S S C
SCZ043-130800-
WALTERBORO-INLAND COLLETON SC
32.91N 80.67W ELEV. 98 FT
536 PM EDT WED AUG 12 2026
DATE 08/12/26 THU 08/13/26 FRI 08/14/26 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 74 97 76 97 76
TEMP 85 78 76 75 76 91 96 95 87 81 79 77 78 91 97 95 88 82 80 78 78
DEWPT 73 73 73 72 73 74 72 72 75 75 74 73 74 75 73 73 75 75 75 74 75
RH 67 85 90 90 90 58 46 48 68 82 85 87 88 60 46 49 66 79 85 88 91
WIND DIR N N W W W W W W SW SW SW SW SW W W SW S S S SW W
WIND SPD 0 0 2 3 4 5 6 6 5 4 3 3 3 4 6 6 5 4 4 3 3
CLOUDS FW SC FW FW FW CL FW SC SC SC SC SC FW FW SC SC SC SC FW FW FW
POP 12HR 10 10 10 10 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 92 101105104 96 102107105 98
MAX HEAT 101 105 106 92 107 107 95
HEAT Y Y Y
DATE 08/15 SUN 08/16/26 MON 08/17/26 TUE 08/18/26 WED 08/19/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 97 75 95 76 99 78 99 76 96
TEMP 97 89 79 78 95 88 79 78 98 91 80 80 98 90 78 78 95 87
DEWPT 74 74 75 76 72 73 74 75 70 72 73 73 70 73 75 75 71 73
PWIND DIR SW S W SW W SW W S SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC SC SC FW FW FW FW FW FW FW SC SC SC SC
POP 12HR 30 20 20 10 5 5 20 30 30
RAIN SHWRS C S S S C C
TSTMS C S S S C C
GAZ099-130800-
METTER-CANDLER GA
32.40N 82.06W ELEV. 197 FT
536 PM EDT WED AUG 12 2026
DATE 08/12/26 THU 08/13/26 FRI 08/14/26 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 75 96 76 96 77
TEMP 85 80 77 76 76 88 94 95 87 81 79 78 78 89 94 96 88 82 80 79 79
DEWPT 75 75 74 74 74 77 75 74 76 75 74 74 75 77 75 74 76 75 75 75 75
RH 72 85 90 94 94 70 54 51 70 82 85 88 91 68 54 49 68 79 85 88 88
WIND DIR W SW W W W W W W SW W SW W W W W W SW SW SW W W
WIND SPD 3 2 3 3 4 6 8 6 3 2 2 3 3 4 6 5 2 2 2 3 3
CLOUDS FW SC CL FW CL FW FW SC SC FW FW FW FW FW SC SC SC SC SC SC FW
POP 12HR 5 30 10 10 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C
TSTMS C
HEAT INDEX 94 100106106 98 102106107 99
MAX HEAT 103 106 107 92 106 107 96
HEAT Y Y Y
DATE 08/15 SUN 08/16/26 MON 08/17/26 TUE 08/18/26 WED 08/19/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 96 76 96 76 98 78 100 77 97
TEMP 94 91 80 77 94 89 80 78 96 92 82 79 97 91 79 79 95 89
DEWPT 76 74 76 76 73 73 75 75 72 72 73 74 71 72 74 75 72 73
PWIND DIR W S W SW W SW W SW W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC SC SC FW FW FW FW FW FW FW FW SC FW SC
POP 12HR 20 20 20 20 10 10 20 30 20
RAIN SHWRS S S S S S C S
TSTMS S S S S S C S
PRODUCT KEY...
--- CLOUD COVER ---
CODE PERCENTAGE SKY COVER DAY/NIGHT
CL 0 TO <=5 PERCENT SUNNY/CLEAR
FW >5 TO <=25 PERCENT SUNNY/MOSTLY CLEAR
SC >25 TO <=50 PERCENT PARTLY CLOUDY
B1 >50 TO <=69 PERCENT MOSTLY CLOUDY
B2 >69 TO <=87 PERCENT MOSTLY CLOUDY
OV >87 TO 100 PERCENT CLOUDY
--- OBSTRUCTIONS TO VISIBILITY --- --- WEATHER COVERAGE ---
CODE TYPE CODE QUALIFYING TERM
F FOG S SLIGHT
PF PATCHY FOG C CHANCE
F+ DENSE FOG L LIKELY
PF+ PATCHY DENSE FOG O OCCASIONAL
H HAZE D DEFINITE
BS BLOWING SNOW
K SMOKE
BD BLOWING DUST
AF VOLCANIC ASHFALL
--- EXTENDED WIND FORECAST CHARACTER ---
12-HR MAX SUSTAINED
CODE WIND CHARACTER WIND SPEED
LT LIGHT < 8 MPH
GN GENTLE 8-14 MPH
BZ BREEZY 15-22 MPH
WY WINDY 23-30 MPH
VW VERY WINDY 31-39 MPH
SD STRONG/DAMAGING >=40 MPH
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