691
FOUS52 KCHS 131821
PFMCHS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
221 PM EDT THU AUG 13 2026
SCZ150-140800-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N 80.03W ELEV. 45 FT
221 PM EDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 97 79 98 79
TEMP 93 86 82 80 79 80 91 95 93 86 83 82 81 81 91 97 93 87 83 81 79 81
DEWPT 77 78 77 77 77 78 77 76 77 79 78 78 78 79 77 77 78 79 78 77 77 78
RH 60 77 85 91 94 94 64 54 60 80 85 88 91 94 64 53 62 77 85 88 94 91
WIND DIR S S SW SW SW SW W SW S S SW SW SW SW W SW S S SW SW W W
WIND SPD 10 9 6 5 4 4 5 8 10 10 8 6 6 6 6 6 9 9 8 5 5 4
CLOUDS SC B1 SC SC SC FW SC SC SC FW FW FW CL CL FW SC B1 SC SC SC SC FW
POP 12HR 10 40 5 20 20
QPF 12HR 0 0.09 0 0.03 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S S S
TSTMS S S S S S S
HEAT INDEX 107 98 90 105109107100 93 91 90105113109101 93
MAX HEAT 111 95 109 110 98 90 113 113 98
EXTREME HEAT W W W W W W W W W
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 80 100 80 101 80 97 79 97
TEMP 96 87 81 81 99 91 84 81100 90 82 81 96 88 81 80 95 88
DEWPT 76 77 76 76 73 76 75 74 72 75 76 76 73 76 76 76 73 76
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 FW FW FW FW FW FW FW FW SC FW SC SC FW FW SC
POP 12HR 20 10 20 5 20 20 30 20 20
RAIN SHWRS S S S S C S S
TSTMS S S S S C S S
GAZ218-140800-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N 81.20W ELEV. 50 FT
221 PM EDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 98 78 98 78
TEMP 96 89 82 80 79 79 91 96 93 88 83 81 79 80 91 97 94 88 83 80 78 80
DEWPT 73 76 76 76 75 75 78 76 76 77 77 76 76 76 78 77 77 77 77 76 76 76
RH 48 66 82 88 88 88 66 53 58 70 82 85 91 88 66 53 58 70 82 88 94 88
WIND DIR W S SW SW W W W W S S SW SW SW SW W SW S S SW SW SW W
WIND SPD 5 6 4 2 2 2 3 4 6 5 4 3 3 3 4 4 5 5 4 3 3 3
CLOUDS B1 SC SC FW FW FW FW SC SC SC SC FW CL FW FW FW SC SC SC FW FW FW
POP 12HR 20 40 10 20 10
QPF 12HR 0 0.11 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S S S
TSTMS S S S S S S
HEAT INDEX 106100 106110106100 92 106113109100 92
MAX HEAT 109 97 110 111 96 113 113 97
EXTREME HEAT W W W W W W W W W
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 79 101 81 102 79 100 78 99
TEMP 98 91 82 81100 94 84 82101 93 82 81 98 90 82 80 97 91
DEWPT 76 76 74 74 73 73 73 73 73 74 74 74 73 75 74 74 73 74
PWIND DIR SW SW W SW W SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC FW FW FW SC FW FW FW SC FW FW SC SC FW FW SC
POP 12HR 20 20 20 5 10 20 30 20 20
RAIN SHWRS S S S S C S S
TSTMS S S S S C S S
SCZ150-140800-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N 79.94W ELEV. 10 FT
221 PM EDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 83 95 81 95 80
TEMP 90 87 86 85 84 85 90 94 91 86 84 83 82 82 91 95 92 86 84 82 80 82
DEWPT 80 80 79 79 79 79 80 81 81 81 80 80 79 80 81 82 81 81 80 79 79 79
RH 73 80 80 82 85 82 73 66 73 85 88 91 91 94 73 66 70 85 88 91 97 91
WIND DIR SW SW SW SW W SW SW S SW SW SW SW SW SW SW SW S SW SW SW W W
WIND SPD 11 8 6 4 4 2 5 9 11 9 6 5 5 4 5 9 11 8 5 4 4 3
CLOUDS SC SC SC SC SC SC SC SC SC FW FW CL CL FW FW SC SC SC SC SC SC SC
POP 12HR 10 30 5 10 10
QPF 12HR 0 0.03 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
TSTMS S S
HEAT INDEX 107103 99 98 96 98108115111102 97 95 92 93110117112102 97 92 92
MAX HEAT 114 101 98 115 115 101 95 117 117 101 92
EXTREME HEAT W W W W W W W W W
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 81 97 82 98 81 95 81 95
TEMP 94 86 83 83 97 90 85 83 97 89 84 83 94 87 83 83 94 87
DEWPT 81 79 79 77 78 79 77 76 77 79 78 77 78 78 78 78 78 78
PWIND DIR SW SW SW SW SW SW SW SW SW
WIND CHAR LT LT GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW FW FW FW FW FW FW SC FW SC SC FW FW SC
POP 12HR 20 10 20 5 10 20 20 20 10
RAIN SHWRS S S S S S
TSTMS S S S S S
SCZ148-140800-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N 80.72W ELEV. 37 FT
221 PM EDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 79 98 79 98 79
TEMP 96 87 83 81 80 81 91 97 93 87 84 82 81 81 91 97 94 88 84 81 79 81
DEWPT 78 78 77 77 76 77 78 78 79 79 78 77 76 77 79 78 79 79 78 77 76 77
RH 56 75 82 88 88 88 66 55 64 77 82 85 85 88 68 55 62 75 82 88 91 88
WIND DIR S S SW SW W W W SW S S SW SW SW SW W SW S S SW SW SW W
WIND SPD 6 6 4 3 2 2 4 4 8 6 5 4 4 3 4 4 6 5 4 3 3 3
CLOUDS SC B1 SC SC SC SC SC SC SC SC B1 SC FW FW FW SC SC SC SC SC SC FW
POP 12HR 10 30 5 20 10
QPF 12HR 0 0.02 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S
TSTMS S S S S
HEAT INDEX 113100 92 106114110101 95 90 108114112103 95
MAX HEAT 116 96 114 114 98 90 114 115 100
EXTREME HEAT W W W W W W W W W
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 81 101 80 102 80 99 80 98
TEMP 97 89 83 82100 92 85 81101 92 83 81 98 89 82 81 97 89
DEWPT 77 77 75 75 75 76 74 74 74 76 75 75 75 76 76 75 75 76
PWIND DIR SW SW W SW W SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW FW FW CL CL FW SC FW FW SC SC FW FW SC
POP 12HR 10 10 20 0 10 10 30 20 10
RAIN SHWRS S C S
TSTMS S C S
SCZ043-140800-
WALTERBORO-INLAND COLLETON SC
32.91N 80.67W ELEV. 98 FT
221 PM EDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 76
TEMP 95 87 80 78 76 78 90 95 93 87 81 79 77 78 91 96 94 87 81 78 76 78
DEWPT 71 75 75 74 73 75 75 74 74 76 76 75 74 75 76 74 74 76 76 75 74 75
RH 46 68 85 88 90 91 62 51 54 70 85 88 90 91 62 49 53 70 85 91 94 91
WIND DIR W S S SW SW W W W SW S S SW SW SW W SW SW S SW SW N N
WIND SPD 6 5 4 2 2 2 4 5 6 5 4 4 3 4 5 5 5 4 3 1 0 0
CLOUDS SC SC SC SC FW FW FW SC SC SC SC FW CL CL FW SC SC SC SC SC SC SC
POP 12HR 20 10 10 20 10
QPF 12HR 0 0 0 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S
TSTMS S S S S
HEAT INDEX 103 96 101106103 98 103107105 98
MAX HEAT 105 90 106 107 93 107 107 94
HEAT Y Y Y Y Y Y Y Y Y
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 77 99 78 100 76 97 75 96
TEMP 96 89 80 78 98 92 80 80 99 91 79 78 96 88 78 77 95 88
DEWPT 74 75 73 73 71 71 71 71 70 72 72 73 71 73 73 73 70 72
PWIND DIR SW SW W SW W S SW S SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW FW FW FW CL FW SC FW FW FW SC FW FW SC
POP 12HR 30 20 20 5 10 30 30 20 20
RAIN SHWRS C S S S C C S S
TSTMS C S S S C C S S
GAZ099-140800-
METTER-CANDLER GA
32.40N 82.06W ELEV. 197 FT
221 PM EDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN
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 76 96 76 96 76
TEMP 95 88 81 79 77 78 89 94 94 87 81 79 78 78 89 94 94 88 82 78 77 78
DEWPT 72 75 75 74 74 75 77 76 75 76 76 75 75 75 77 76 75 76 76 75 75 75
RH 48 66 82 85 90 91 68 56 54 70 85 88 91 91 68 56 54 68 82 91 94 91
WIND DIR W W SW SW W W W W W S SW SW SW SW W W SW SW SW SW W W
WIND SPD 5 3 2 1 2 2 4 6 5 2 2 2 3 3 4 5 4 2 2 2 3 3
CLOUDS SC SC CL SC FW FW FW FW SC SC B1 SC SC FW FW SC FW FW SC SC SC SC
POP 12HR 20 10 10 20 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S
TSTMS S S S S
HEAT INDEX 104 98 102107106 98 102107106 99
MAX HEAT 106 92 107 108 93 107 109 96
HEAT Y Y Y Y Y Y Y Y Y
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 77 98 78 99 77 97 76 97
TEMP 94 89 81 79 96 92 82 79 97 92 80 79 95 89 79 78 95 91
DEWPT 75 75 73 73 73 72 72 72 72 73 72 73 73 73 73 73 72 72
PWIND DIR W SW W SW W SW W SW W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW FW FW FW CL FW FW SC FW FW SC SC FW SC
POP 12HR 10 20 10 5 5 20 30 20 10
RAIN SHWRS S S C S
TSTMS 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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