138
FOUS52 KCHS 152136
PFMCHS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
536 PM EDT SAT AUG 15 2026
SCZ150-160800-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N 80.03W ELEV. 45 FT
536 PM EDT SAT AUG 15 2026
DATE 08/15/26 SUN 08/16/26 MON 08/17/26 TUE
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 96 78 98 80
TEMP 86 82 80 79 80 90 95 92 86 83 81 79 80 91 97 96 90 85 83 81 81
DEWPT 78 78 78 77 78 77 77 77 78 78 78 77 77 77 76 76 77 77 76 75 75
RH 77 88 94 94 94 66 56 62 77 85 91 94 91 64 51 53 66 77 80 82 82
WIND DIR S S SW W N W S S SW S SW W W W W SW SW SW SW W W
WIND SPD 6 5 4 3 0 3 5 9 8 6 5 5 5 5 6 11 10 9 8 8 6
CLOUDS B1 B1 SC SC SC SC B1 B1 B1 SC FW SC FW FW FW FW FW FW FW FW FW
POP 12HR 30 40 5 5 5
QPF 12HR 0.05 0.08 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C
TSTMS C C C
HEAT INDEX 98 91 103110106 98 93 105111110103 96 91
MAX HEAT 109 96 110 109 97 111 112 100 90
EXTREME HEAT
HEAT Y Y Y
DATE 08/18 WED 08/19/26 THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 100 78 96 78 97 78 95 76 93
TEMP 99 92 82 80 95 88 81 80 96 89 80 79 93 86 78 78 90 84
DEWPT 74 77 76 77 75 77 76 77 73 76 76 76 74 76 75 75 72 74
PWIND DIR W SW S SW S SW S SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC FW SC FW FW FW SC SC SC SC SC SC SC SC B1
POP 12HR 10 20 30 10 20 30 40 40 50
RAIN SHWRS S C S C C C C
TSTMS S C S S C C C
GAZ218-160800-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N 81.20W ELEV. 50 FT
536 PM EDT SAT AUG 15 2026
DATE 08/15/26 SUN 08/16/26 MON 08/17/26 TUE
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 97 78 98 80
TEMP 86 81 80 78 79 89 96 92 86 82 80 79 79 90 97 96 90 84 82 81 81
DEWPT 77 77 76 76 76 77 76 76 77 77 76 76 76 78 76 75 76 75 75 74 75
RH 75 88 88 94 91 68 53 60 75 85 88 91 91 68 51 51 64 74 79 79 82
WIND DIR S SW SW W W W W S S SW SW SW W W W SW SW SW SW W W
WIND SPD 4 3 2 3 3 3 3 5 4 3 3 4 4 5 5 6 5 5 5 6 5
CLOUDS SC B1 SC SC SC FW SC B2 B2 B2 SC SC SC FW FW SC SC FW CL CL FW
POP 12HR 20 40 30 10 0
QPF 12HR 0 0.18 0.01 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C S
TSTMS S C C S
HEAT INDEX 97 102110105 97 90 105111109102 92
MAX HEAT 106 94 110 110 94 111 111 99
EXTREME HEAT
HEAT Y Y Y
DATE 08/18 WED 08/19/26 THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 101 78 98 78 98 77 97 76 94
TEMP 100 92 81 79 97 88 80 79 97 89 80 78 95 87 78 77 92 84
DEWPT 75 75 75 75 74 75 75 75 74 75 75 75 74 75 74 74 74 74
PWIND DIR W SW SW SW SW SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC B1 SC FW SC SC FW FW SC B1 FW SC SC B1 SC SC SC
POP 12HR 20 10 30 10 20 30 40 30 50
RAIN SHWRS S C S C C C C
TSTMS S C S C C C C
SCZ150-160800-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N 79.94W ELEV. 10 FT
536 PM EDT SAT AUG 15 2026
DATE 08/15/26 SUN 08/16/26 MON 08/17/26 TUE
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 94 80 97 81
TEMP 85 83 82 81 81 90 93 90 86 84 82 81 81 91 96 93 88 85 84 82 83
DEWPT 80 79 79 79 79 79 80 80 80 80 79 78 78 80 81 81 80 79 78 77 77
RH 85 88 91 94 94 70 66 73 82 88 91 91 91 70 62 68 77 82 82 85 82
WIND DIR SW SW SW W W SE S S S S SW W W SW SW S SW SW SW W W
WIND SPD 6 4 3 3 2 3 8 9 6 4 4 4 3 5 8 11 9 6 5 5 4
CLOUDS B1 B2 SC SC SC SC SC SC SC B1 FW SC FW FW FW FW FW FW FW FW FW
POP 12HR 30 30 5 5 0
QPF 12HR 0 0.12 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S
TSTMS C C S
HEAT INDEX 99 94 92 90 90106112107101 97 92 109117113105 98 95 90 91
MAX HEAT 108 97 92 112 111 99 92 117 117 102 94
EXTREME HEAT
HEAT Y Y Y
DATE 08/18 WED 08/19/26 THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 80 94 80 94 80 93 78 91
TEMP 98 90 83 81 93 88 83 82 94 88 82 81 91 85 81 79 90 84
DEWPT 79 79 78 78 79 79 79 78 79 79 78 78 79 78 77 76 77 77
PWIND DIR SW SW S SW SW SW S SW SW
WIND CHAR LT LT LT LT GN LT GN LT GN
AVG CLOUDS FW SC SC SC FW SC FW FW FW SC SC SC SC SC SC SC SC B1
POP 12HR 10 20 20 10 20 30 40 40 50
RAIN SHWRS S S S C C C S C
TSTMS S S S C C C S C
SCZ148-160800-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N 80.72W ELEV. 37 FT
536 PM EDT SAT AUG 15 2026
DATE 08/15/26 SUN 08/16/26 MON 08/17/26 TUE
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 99 81
TEMP 86 82 81 79 80 90 96 93 87 83 81 79 80 91 97 97 90 85 83 81 82
DEWPT 79 79 77 76 77 78 77 78 78 78 77 76 77 79 78 77 77 76 75 74 75
RH 80 91 88 91 91 68 55 62 75 85 88 91 91 68 55 53 66 75 77 79 79
WIND DIR S S SW W W W S S S SW SW W W W W S S SW SW W W
WIND SPD 4 3 2 2 2 3 3 6 4 3 3 4 4 5 4 6 6 5 5 6 5
CLOUDS SC B1 B1 SC SC SC SC B1 B1 B2 SC B1 FW FW FW SC SC FW FW FW FW
POP 12HR 10 30 20 5 0
QPF 12HR 0 0.12 0.01 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C S
TSTMS S C S
HEAT INDEX 100 92 105111109100 93 108114113103 94 90
MAX HEAT 110 96 111 113 97 114 115 100
EXTREME HEAT
HEAT Y Y Y
DATE 08/18 WED 08/19/26 THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 101 79 97 79 98 78 96 77 94
TEMP 100 91 82 80 96 88 81 80 97 89 81 79 95 86 79 78 92 84
DEWPT 76 77 76 76 76 77 76 76 75 77 76 75 76 76 75 74 75 75
PWIND DIR W SW SW SW S SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC FW SC SC FW FW SC SC SC SC SC SC SC SC SC
POP 12HR 10 10 30 10 20 20 40 30 50
RAIN SHWRS C S S C C C
TSTMS C S S C C C
SCZ043-160800-
WALTERBORO-INLAND COLLETON SC
32.91N 80.67W ELEV. 98 FT
536 PM EDT SAT AUG 15 2026
DATE 08/15/26 SUN 08/16/26 MON 08/17/26 TUE
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 75 99 77
TEMP 84 79 77 76 78 90 96 93 85 80 78 76 77 90 98 98 90 83 80 78 79
DEWPT 76 76 76 75 76 76 75 76 77 76 76 74 75 75 73 72 74 74 73 72 73
RH 77 91 97 97 94 64 51 58 77 88 94 94 94 62 45 43 60 74 79 82 82
WIND DIR N N N N N N W SE S N SW SW SW W W W S SW SW W W
WIND SPD 0 0 0 0 0 0 3 5 4 0 2 3 4 5 6 8 4 5 5 5 4
CLOUDS B1 SC SC SC FW FW FW B1 B1 B1 SC SC FW FW FW FW FW FW FW FW CL
POP 12HR 30 40 10 5 5
QPF 12HR 0.06 0.18 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C
TSTMS C S C
HEAT INDEX 93 102109106 96 101109107 99 90
MAX HEAT 103 90 109 109 90 109 110 96
HEAT Y Y Y
DATE 08/18 WED 08/19/26 THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 99 75 95 75 97 75 95 73 92
TEMP 98 91 78 78 95 87 78 77 96 88 77 77 93 85 75 75 90 83
DEWPT 71 73 73 74 71 73 74 74 70 73 73 73 71 72 73 72 70 72
PWIND DIR W S SW S SW S 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 SC SC SC SC SC SC SC SC SC
POP 12HR 10 20 30 10 20 30 40 40 50
RAIN SHWRS S C S C C C C
TSTMS S C S S C C C
GAZ099-160800-
METTER-CANDLER GA
32.40N 82.06W ELEV. 197 FT
536 PM EDT SAT AUG 15 2026
DATE 08/15/26 SUN 08/16/26 MON 08/17/26 TUE
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 95 76 98 78
TEMP 85 80 78 77 77 87 94 93 86 81 79 78 78 89 96 96 89 83 81 79 79
DEWPT 77 77 76 75 76 77 76 75 76 75 76 75 75 77 75 73 75 75 74 73 74
RH 77 91 94 94 97 72 56 56 72 82 91 91 91 68 51 48 64 77 79 82 85
WIND DIR W SW SW W W W W SW W S SW W W W W W SW SW SW W W
WIND SPD 2 1 2 2 2 4 5 4 2 2 3 4 4 5 8 6 4 4 4 5 4
CLOUDS SC B1 SC SC SC FW SC SC SC B2 B1 B1 SC FW SC FW FW FW FW FW FW
POP 12HR 40 30 20 0 0
QPF 12HR 0.15 0.03 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S
TSTMS C C S
HEAT INDEX 96 99107105 96 102109106 99 90
MAX HEAT 103 107 109 90 109 108 96
HEAT Y Y Y
DATE 08/18 WED 08/19/26 THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 75 97 75 97 75 96 74 93
TEMP 96 90 79 77 95 89 78 77 95 89 77 77 93 87 76 76 91 84
DEWPT 74 74 73 73 73 72 73 74 72 73 73 73 72 72 73 73 73 73
PWIND DIR W W W SW SW SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC FW FW FW FW FW FW SC SC SC SC SC SC SC SC
POP 12HR 20 20 20 10 20 30 30 40 50
RAIN SHWRS S S S S C C C C
TSTMS S S S S S C S C
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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