327
FOUS52 KCHS 150936
PFMCHS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
536 AM EDT SAT AUG 15 2026
SCZ150-152000-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N 80.03W ELEV. 45 FT
536 AM EDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 98 78 97 79 102
TEMP 80 90 96 93 86 82 81 80 80 90 95 92 86 83 81 80 81 91100100 92
DEWPT 78 76 76 77 78 78 77 77 78 76 76 77 79 78 77 77 77 76 74 73 76
RH 94 64 53 60 77 88 88 91 94 64 54 62 80 85 88 91 88 62 44 42 60
WIND DIR W W SW SW SW SW SW SW W SW S S S S SW W W W W SW S
WIND SPD 5 5 6 9 8 6 5 4 3 4 5 9 6 6 5 6 6 6 6 9 10
CLOUDS FW FW SC B1 B2 B2 B1 B1 SC SC B1 B2 B1 SC FW FW CL CL FW FW FW
POP 12HR 30 20 50 5 0
QPF 12HR 0.03 0.16 0.16 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C S C C
TSTMS S C S C C
HEAT INDEX 102110107 98 91 102109106100 93 103112111105
MAX HEAT 110 110 96 109 109 96 112 112
EXTREME HEAT W W W
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 80 101 79 97 78 97 78 95
TEMP 84 81 99 90 81 81 95 87 81 80 95 87 80 79 92 85
DEWPT 74 75 74 77 77 78 75 78 77 77 74 77 76 76 75 76
PWIND DIR SW W SW SW SW SW SW SW
WIND CHAR GN LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW SC SC SC FW SC SC FW FW SC SC SC SC SC
POP 12HR 5 20 20 30 10 30 20 50
RAIN SHWRS S S C C S S C
TSTMS S S C C S S C
GAZ218-152000-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N 81.20W ELEV. 50 FT
536 AM EDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 98 78 98 79 102
TEMP 78 89 96 95 87 82 80 79 79 90 96 94 87 83 81 80 80 91100101 93
DEWPT 76 77 75 75 77 77 77 76 76 77 76 75 77 77 76 75 75 77 74 72 73
RH 94 68 51 53 72 85 91 91 91 66 53 54 72 82 85 85 85 64 44 40 52
WIND DIR W W W SW S S SW SW W W W S S SW SW W W W W W SW
WIND SPD 3 4 4 5 5 4 3 3 3 4 5 5 4 3 4 5 5 6 6 6 4
CLOUDS FW FW SC B1 B2 B2 B1 SC SC SC SC B2 B2 SC FW FW FW FW FW SC SC
POP 12HR 20 10 40 5 0
QPF 12HR 0.03 0 0.04 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C
TSTMS S C C
HEAT INDEX 102108107 99 90 103110106 99 92 105112111102
MAX HEAT 109 110 95 110 111 96 112 113
EXTREME HEAT W W W
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 80 102 78 100 78 99 77 97
TEMP 84 81100 92 82 80 97 89 81 79 97 89 80 79 95 87
DEWPT 73 74 74 75 75 75 75 76 76 75 74 75 75 75 75 75
PWIND DIR SW W SW SW SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW CL FW SC SC FW FW FW B1 FW FW SC SC SC FW SC
POP 12HR 0 10 10 30 10 30 20 40
RAIN SHWRS C C S C
TSTMS C C S C
SCZ150-152000-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N 79.94W ELEV. 10 FT
536 AM EDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 95 80 95 80 99
TEMP 81 90 94 91 85 83 82 81 81 90 93 90 85 84 82 81 82 91 97 97 90
DEWPT 79 80 80 80 79 80 80 79 79 79 80 80 80 80 80 78 79 80 80 80 80
RH 94 73 64 70 82 91 94 94 94 70 66 73 85 88 94 91 91 70 58 58 73
WIND DIR W SW S S SW SW SW W W SW S S SW SW SW W W W SW S SW
WIND SPD 4 5 9 10 6 5 3 3 3 3 6 8 5 4 4 4 4 5 8 10 10
CLOUDS FW FW SC SC B2 B1 SC B1 SC SC B1 SC B1 SC FW FW FW FW FW FW FW
POP 12HR 20 20 30 5 0
QPF 12HR 0 0 0.15 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S C
TSTMS S S S S C
HEAT INDEX 90107113109 98 95 93 90 90106112108 99 96 93 92109116116107
MAX HEAT 90 114 112 97 92 112 112 97 92 116 118
EXTREME HEAT W W W
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 82 99 80 95 80 95 79 93
TEMP 84 83 97 89 83 81 92 87 82 82 93 87 82 80 91 85
DEWPT 77 77 79 80 79 79 80 80 79 79 79 79 79 78 79 78
PWIND DIR SW SW SW S SW SW SW S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW SC SC SC SC SC FW FW SC SC SC SC SC
POP 12HR 5 10 20 20 10 20 20 40
RAIN SHWRS S S S S S S C
TSTMS S S S S S S C
SCZ148-152000-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N 80.72W ELEV. 37 FT
536 AM EDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 98 79 98 80 102
TEMP 79 90 96 94 86 83 81 80 81 90 96 94 87 83 82 81 81 92100101 92
DEWPT 77 78 77 77 78 78 77 76 77 77 77 77 79 78 77 76 76 78 76 74 75
RH 94 68 55 58 77 85 88 88 88 66 55 58 77 85 85 85 85 64 47 42 58
WIND DIR W W SW S S SW SW W W W SW S S SW SW W W W W SW SW
WIND SPD 3 4 5 6 5 4 3 3 3 4 4 5 4 3 4 5 5 6 5 6 6
CLOUDS SC FW FW SC B1 B1 B1 B1 FW SC SC B1 B1 SC FW FW FW FW FW FW FW
POP 12HR 20 10 40 10 0
QPF 12HR 0 0 0.05 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C
TSTMS C C
HEAT INDEX 105111109 98 93 103111109101 93 90 107115114103
MAX HEAT 111 113 97 111 113 97 90 115 115
EXTREME HEAT W W W
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 81 101 79 98 79 98 79 96
TEMP 84 82 99 91 82 81 96 88 82 81 96 88 81 80 94 86
DEWPT 74 74 76 77 77 77 77 77 77 77 76 77 76 76 77 77
PWIND DIR SW W SW SW SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW SC FW FW SC SC FW FW SC SC SC FW SC
POP 12HR 0 10 10 20 5 20 20 40
RAIN SHWRS S S S C
TSTMS S S S C
SCZ043-152000-
WALTERBORO-INLAND COLLETON SC
32.91N 80.67W ELEV. 98 FT
536 AM EDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 97 75 97 76 100
TEMP 77 89 95 94 85 80 78 76 77 89 95 92 85 80 78 77 78 91 98100 93
DEWPT 75 74 73 73 75 76 75 74 75 75 74 74 77 76 75 74 75 74 71 68 71
RH 94 61 49 51 72 88 91 94 94 64 51 56 77 88 91 90 91 58 42 36 49
WIND DIR W W W W SE S N N N W W S S S SW SW W W W W SW
WIND SPD 3 4 5 5 3 2 0 0 0 3 4 4 3 2 3 4 5 6 8 8 5
CLOUDS SC SC SC B1 B2 B1 B1 SC SC SC FW B1 SC SC FW FW FW CL FW FW FW
POP 12HR 30 20 40 5 0
QPF 12HR 0.06 0.03 0.06 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C C
TSTMS C S C C
HEAT INDEX 98105103 94 99106102 96 101106106100
MAX HEAT 105 106 90 106 106 106 108
HEAT Y Y Y
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 78 100 76 97 75 97 75 94
TEMP 81 79 98 89 78 78 95 87 78 77 95 87 77 77 92 85
DEWPT 72 72 71 73 74 75 72 74 74 74 71 74 74 73 72 73
PWIND DIR W NW N SW S SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW SC FW FW SC SC FW SC SC SC SC SC SC
POP 12HR 5 10 20 30 10 30 20 50
RAIN SHWRS S C C S C
TSTMS S C C S C
GAZ099-152000-
METTER-CANDLER GA
32.40N 82.06W ELEV. 197 FT
536 AM EDT SAT AUG 15 2026
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 96 76 96 77 100
TEMP 77 87 93 94 86 81 78 77 78 87 94 94 86 81 80 79 79 89 97 99 92
DEWPT 76 77 76 74 76 76 76 75 75 77 76 74 77 76 75 74 74 76 74 71 73
RH 97 72 58 53 72 85 94 94 91 72 56 53 75 85 85 85 85 66 48 41 54
WIND DIR W W W W W SW SW W W W W NW SW SW SW W W W W W W
WIND SPD 3 5 6 5 2 2 2 3 3 5 6 5 3 3 3 5 5 6 8 8 4
CLOUDS SC SC FW FW FW SC B1 SC SC SC SC B1 SC FW FW FW FW CL FW FW FW
POP 12HR 20 20 30 5 0
QPF 12HR 0.01 0 0.01 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
TSTMS S S
HEAT INDEX 99106105 96 99107105 97 100109108101
MAX HEAT 106 107 91 107 106 93 109 110
HEAT Y Y Y
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26 FRI 08/21/26
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 79 99 76 98 76 97 75 95
TEMP 82 80 97 90 79 77 95 88 79 77 95 88 77 77 93 86
DEWPT 73 73 74 74 73 73 73 74 74 73 73 74 74 73 73 73
PWIND DIR W NW W W SW W W W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW SC FW FW SC SC FW SC SC SC SC SC
POP 12HR 0 10 30 20 10 30 30 30
RAIN SHWRS C S C C C
TSTMS C S C C 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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page