202
FOUS52 KCHS 172136
PFMCHS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
536 PM EDT MON AUG 17 2026
SCZ150-180800-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N 80.03W ELEV. 45 FT
536 PM EDT MON AUG 17 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
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 79 100 78 97 78
TEMP 88 84 82 81 81 93100 97 87 83 81 79 80 90 95 93 86 82 80 80 80
DEWPT 77 76 75 73 74 75 74 76 77 76 75 75 76 76 75 76 76 77 77 77 78
RH 70 77 79 77 79 56 44 51 72 80 82 88 88 64 53 58 72 85 91 91 94
WIND DIR S SW SW W W W W W W SW W NW N NE SE S S S N N N
WIND SPD 10 9 8 8 6 8 8 9 8 4 3 2 2 4 6 8 6 3 0 0 0
CLOUDS SC FW FW CL FW SC FW SC SC SC FW FW FW FW SC SC SC FW FW FW FW
POP 12HR 10 30 10 20 5
QPF 12HR 0 0.08 0 0.05 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C S S
TSTMS S C S S
HEAT INDEX 100 93 105112111 99 91 102107106 96 90
MAX HEAT 111 97 112 112 96 107 107 93
EXTREME HEAT W W W
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 76 93 76 92 75 94
TEMP 95 88 81 80 93 86 79 77 91 83 78 77 91 83 77 77 91 84
DEWPT 74 76 77 78 75 76 76 76 74 75 75 75 72 74 74 72 70 72
PWIND DIR S S S S S SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC FW FW FW SC SC SC SC SC B1 SC SC SC SC FW FW SC
POP 12HR 10 5 30 30 50 40 30 20 20
RAIN SHWRS C C S C C S S C S S S
TSTMS C C S C C S S C S S S
GAZ218-180800-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N 81.20W ELEV. 50 FT
536 PM EDT MON AUG 17 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
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 79 100 77 99 78
TEMP 90 84 82 81 80 92 99 98 87 83 80 78 78 90 97 97 88 82 80 78 79
DEWPT 75 74 73 73 74 77 75 75 75 74 74 73 73 75 72 71 74 75 76 75 75
RH 62 72 74 77 82 62 47 48 68 74 82 85 85 62 45 43 63 79 88 91 88
WIND DIR S SW SW W W W W W W SW W W W NW SW S SE S SW S S
WIND SPD 5 5 6 6 6 6 8 6 4 3 3 3 3 2 3 5 5 2 1 1 1
CLOUDS SC FW FW FW SC SC FW B1 B2 SC FW FW FW FW FW SC SC SC FW FW FW
POP 12HR 10 30 10 20 0
QPF 12HR 0 0.06 0 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S
TSTMS C S S
HEAT INDEX 101 91 106112111 96 90 101106105 97
MAX HEAT 107 96 113 114 94 106 106 94
EXTREME HEAT W W W
HEAT
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 77 97 75 94 75 93 75 95
TEMP 97 90 81 79 96 88 79 76 94 85 77 76 92 84 77 76 93 86
DEWPT 73 75 76 75 74 76 75 74 75 75 74 74 73 73 73 72 71 72
PWIND DIR S S S S SW SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC FW FW FW SC B1 SC FW SC B1 SC FW SC SC FW FW FW
POP 12HR 10 0 30 30 50 30 30 20 20
RAIN SHWRS C C C C C S S
TSTMS C C C C C S S
SCZ150-180800-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N 79.94W ELEV. 10 FT
536 PM EDT MON AUG 17 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
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 81 99 80 95 80
TEMP 87 85 83 82 82 93 99 95 87 84 82 80 81 90 93 91 85 83 82 81 82
DEWPT 80 79 77 76 76 79 79 79 79 79 78 77 78 80 80 80 79 79 80 79 80
RH 80 82 82 82 82 64 53 60 77 85 88 91 91 73 66 70 82 88 94 94 94
WIND DIR SW SW SW W W W SW SW SW SW SW W N E SE S S S S SW S
WIND SPD 9 8 5 6 5 5 8 10 8 3 2 2 2 3 8 8 4 2 2 2 2
CLOUDS FW FW FW CL FW SC FW SC SC SC FW FW FW FW SC FW SC SC FW FW FW
POP 12HR 10 30 10 20 5
QPF 12HR 0 0.07 0 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C S S
TSTMS S C S S
HEAT INDEX 103 98 92 110118113101 96 91 107112109 98 94 93 90 93
MAX HEAT 112 101 92 119 117 99 112 112 96 93
EXTREME HEAT W W W
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 93 79 91 78 91 78 92
TEMP 93 87 83 82 91 86 81 79 91 84 81 79 90 84 80 78 91 84
DEWPT 80 79 79 79 80 78 78 77 78 78 77 77 77 77 77 75 75 76
PWIND DIR S S S SW SW SW SW SW SW
WIND CHAR LT LT GN LT GN LT GN LT GN
AVG CLOUDS FW SC FW FW FW FW SC SC SC SC B1 SC SC SC SC SC FW SC
POP 12HR 5 5 20 30 50 50 40 30 20
RAIN SHWRS S C S S C C C S C C S S
TSTMS S C S S C C C S C C S S
SCZ148-180800-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N 80.72W ELEV. 37 FT
536 PM EDT MON AUG 17 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
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 80 100 79 98 79
TEMP 89 85 83 81 81 92 98 97 88 84 81 79 80 90 96 96 87 83 81 80 81
DEWPT 77 75 74 73 74 77 77 77 77 75 74 74 74 77 76 76 76 77 77 77 77
RH 68 72 74 77 79 62 51 53 70 74 79 85 82 66 53 53 70 82 88 91 88
WIND DIR S SW SW W W W W SW SW SW W W NW NE S S SE S S S S
WIND SPD 6 6 5 6 5 6 6 5 5 3 3 2 1 2 3 6 4 2 1 1 1
CLOUDS FW FW FW FW FW FW CL SC B1 SC SC FW FW FW FW SC SC SC FW FW FW
POP 12HR 10 30 10 20 0
QPF 12HR 0 0.08 0 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S
TSTMS C S S
HEAT INDEX 102 94 90 106114113100 92 103110110 98 92
MAX HEAT 113 98 114 115 96 110 111 94
EXTREME HEAT W W W
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 95 77 93 76 92 76 95
TEMP 96 89 82 80 94 86 79 78 92 84 79 77 91 84 77 77 93 86
DEWPT 76 77 77 77 77 77 76 75 77 76 75 75 75 75 74 73 73 74
PWIND DIR S S S SW SW SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW SC SC SC SC SC B1 SC SC SC SC SC FW SC
POP 12HR 5 0 30 20 50 30 30 20 20
RAIN SHWRS C S C C C S S
TSTMS C S C C C S S
SCZ043-180800-
WALTERBORO-INLAND COLLETON SC
32.91N 80.67W ELEV. 98 FT
536 PM EDT MON AUG 17 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
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 75 97 75
TEMP 88 82 80 78 79 91 97 97 87 80 78 76 77 89 95 95 85 79 77 76 77
DEWPT 73 73 72 71 72 74 72 72 73 74 72 72 73 74 71 71 73 74 74 74 75
RH 61 74 77 79 79 58 45 45 63 82 82 87 87 61 46 46 67 85 90 94 94
WIND DIR S SW SW W W W W W NW N N N N NE SW S SE N N N N
WIND SPD 5 5 5 5 5 6 8 8 3 0 0 0 0 4 3 5 3 0 0 0 0
CLOUDS FW FW CL FW SC FW FW FW SC SC FW FW FW FW FW SC SC FW FW FW FW
POP 12HR 5 20 10 20 0
QPF 12HR 0 0.04 0 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S
TSTMS S S S
HEAT INDEX 96 101106106 94 98103103 92
MAX HEAT 104 92 106 107 90 103 104
HEAT Y Y Y
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 73 93 72 92 72 93
TEMP 96 89 78 77 94 86 75 75 92 83 75 74 91 83 74 74 91 84
DEWPT 70 73 75 75 72 74 74 74 72 73 73 72 70 71 71 70 67 69
PWIND DIR S S S S SW SW SW SW W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC FW FW FW FW B1 SC SC SC B1 SC SC SC SC FW FW SC
POP 12HR 10 5 40 40 50 30 30 20 20
RAIN SHWRS C C C C S C S S
TSTMS C C C C S C S S
GAZ099-180800-
METTER-CANDLER GA
32.40N 82.06W ELEV. 197 FT
536 PM EDT MON AUG 17 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
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 75 97 75
TEMP 89 83 81 80 79 90 95 97 87 81 78 76 76 88 95 97 87 81 78 76 77
DEWPT 74 74 73 73 74 76 75 73 74 73 72 70 70 73 71 67 70 71 72 71 72
RH 61 74 77 79 85 64 53 46 65 77 82 82 82 61 46 38 57 72 82 85 85
WIND DIR SW SW W W W W W W W W W W NW NW W NW NW SE S S S
WIND SPD 4 4 4 5 5 8 9 9 4 3 2 3 3 3 5 4 2 2 1 1 2
CLOUDS FW SC FW SC FW FW FW FW SC SC FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 5 10 5 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 98 90 102107107 95 96103101 92
MAX HEAT 106 93 107 109 90 103 102 90
HEAT Y Y Y
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 97 73 93 73 93 72 95
TEMP 97 90 78 77 95 86 76 75 91 83 76 74 92 85 76 73 92 86
DEWPT 70 70 73 74 72 74 74 74 74 73 73 73 71 70 71 70 69 68
PWIND DIR S S SW S SW SW SW SW W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW SC SC SC SC SC SC SC FW SC SC SC FW FW
POP 12HR 10 0 40 40 40 30 20 20 20
RAIN SHWRS C C C C S S S
TSTMS C C C C S S 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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