176
FOUS52 KCHS 121321
PFMCHS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
921 AM EDT WED AUG 12 2026
SCZ150-122000-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N 80.03W ELEV. 45 FT
921 AM EDT WED AUG 12 2026
DATE WED 08/12/26 THU 08/13/26 FRI 08/14/26
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 78 99 80 100
TEMP 87 96 95 88 83 80 79 80 90 97 96 88 84 82 80 81 92 98 96 88
DEWPT 75 74 73 75 76 75 75 75 76 74 75 78 78 77 77 77 77 75 77 79
RH 68 49 49 66 80 85 88 85 64 48 51 72 82 85 91 88 62 48 55 75
WIND DIR W W W SW W W W W W W S S S SW SW W W SW S S
WIND SPD 9 6 8 8 6 5 5 5 5 6 9 9 8 6 6 5 6 8 11 10
CLOUDS FW SC SC SC FW FW CL FW FW SC SC FW FW FW FW FW SC SC SC SC
POP 12HR 20 10 20 10 10
QPF 12HR 0.02 0 0.03 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
TSTMS S S
HEAT INDEX 96107105 98 91 102109108102 95 90 106111111103
MAX HEAT 107 107 94 109 110 100 111 113
EXTREME HEAT A A A
HEAT Y Y Y
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26
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 98 78 93 78 99 80 97
TEMP 83 82 96 87 81 79 91 86 81 81 96 90 83 81 95 88
DEWPT 77 77 77 79 77 78 76 77 77 77 75 78 77 77 75 78
PWIND DIR SW S E E SW SW SW SW
WIND CHAR GN LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC B1 B1 SC SC SC SC FW SC FW FW FW FW FW
POP 12HR 5 50 40 30 10 10 10 30
RAIN SHWRS C C C C
TSTMS C C C C
GAZ218-122000-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N 81.20W ELEV. 50 FT
921 AM EDT WED AUG 12 2026
DATE WED 08/12/26 THU 08/13/26 FRI 08/14/26
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 77 99 79 100
TEMP 88 97 96 90 82 80 79 79 91 97 97 91 84 81 79 80 92 99 98 91
DEWPT 76 75 74 75 75 74 74 74 76 73 74 76 76 75 75 75 77 75 75 77
RH 68 50 49 62 79 82 85 85 62 46 48 62 77 82 88 85 62 47 48 64
WIND DIR W W W SW W W W W W W W S S SW W W W W S S
WIND SPD 8 9 8 4 4 4 4 4 6 5 5 4 4 3 4 4 4 4 6 6
CLOUDS SC SC SC B1 SC SC FW FW FW SC SC SC SC FW FW FW SC SC SC SC
POP 12HR 30 10 20 20 20
QPF 12HR 0.18 0 0.03 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 99110107101 103107109103 93 106112111105
MAX HEAT 110 109 94 107 110 98 113 114
EXTREME HEAT A A A
HEAT Y Y Y
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26
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 80 100 79 95 79 99 79 100
TEMP 83 81 98 90 81 80 93 87 80 80 98 92 82 81 98 91
DEWPT 76 76 76 78 77 77 76 77 76 76 75 76 75 75 75 76
PWIND DIR SW SW S E SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW SC SC B1 SC SC SC SC FW FW SC SC FW FW FW
POP 12HR 10 20 40 30 10 20 10 20
RAIN SHWRS S C C S S
TSTMS S C C S S
SCZ150-122000-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N 79.94W ELEV. 10 FT
921 AM EDT WED AUG 12 2026
DATE WED 08/12/26 THU 08/13/26 FRI 08/14/26
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 79 96 81 97
TEMP 89 95 93 87 84 81 80 81 91 96 93 87 85 83 81 83 92 95 93 87
DEWPT 77 77 78 79 78 77 76 76 78 77 80 80 80 80 79 79 80 81 81 81
RH 68 56 62 77 82 88 88 85 66 55 66 80 85 91 94 88 68 64 68 82
WIND DIR W W SW SW W W W W W SW S S SW SW SW W SW SW S SW
WIND SPD 8 6 9 8 5 4 4 4 4 6 10 9 6 5 5 4 5 9 11 10
CLOUDS FW SC SC SC SC SC CL FW FW SC SC FW SC FW FW SC SC SC SC SC
POP 12HR 20 20 20 20 10
QPF 12HR 0.06 0.02 0.04 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S
TSTMS S S S
HEAT INDEX 102110107100 94 106111111103 99 95 90 94111116114104
MAX HEAT 111 111 97 112 112 103 95 117 117
EXTREME HEAT A A A
HEAT Y Y Y
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26
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 96 80 90 80 94 81 94
TEMP 84 83 94 86 81 81 89 85 82 82 93 87 84 82 93 86
DEWPT 80 79 81 81 79 79 80 79 79 78 80 80 79 78 80 80
PWIND DIR SW S E E SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC B1 SC SC SC SC FW SC FW FW FW FW FW
POP 12HR 5 40 40 20 10 10 10 30
RAIN SHWRS C C S C
TSTMS C C S C
SCZ148-122000-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N 80.72W ELEV. 37 FT
921 AM EDT WED AUG 12 2026
DATE WED 08/12/26 THU 08/13/26 FRI 08/14/26
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 78 99 80 100
TEMP 88 95 95 88 83 81 79 80 91 97 97 90 85 82 80 82 93 99 97 90
DEWPT 76 75 75 75 75 75 74 75 76 75 76 78 77 77 75 76 78 77 77 79
RH 68 53 53 66 77 82 85 85 62 50 51 68 77 85 85 82 62 50 53 70
WIND DIR W W W SW W W W W W W SW S S SW SW W W SW S S
WIND SPD 9 8 6 4 4 4 4 4 5 5 5 6 4 4 4 3 4 5 8 8
CLOUDS FW SC SC SC SC FW FW CL FW SC SC SC SC SC FW FW SC SC SC SC
POP 12HR 20 10 20 10 5
QPF 12HR 0.13 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
TSTMS S
HEAT INDEX 99107107 98 90 103110111105 96 90 109115113106
MAX HEAT 107 110 95 110 112 100 115 115
EXTREME HEAT A A A
HEAT Y Y Y
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26
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 81 100 79 94 79 99 79 99
TEMP 84 82 98 89 82 80 92 87 81 81 97 91 82 80 97 89
DEWPT 77 77 78 79 78 78 78 78 77 77 77 78 76 76 77 78
PWIND DIR SW SW SE E SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC B1 SC SC SC SC FW FW FW FW FW FW FW
POP 12HR 5 40 40 30 5 10 10 20
RAIN SHWRS C C C S
TSTMS C C C S
SCZ043-122000-
WALTERBORO-INLAND COLLETON SC
32.91N 80.67W ELEV. 98 FT
921 AM EDT WED AUG 12 2026
DATE WED 08/12/26 THU 08/13/26 FRI 08/14/26
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 75 97 77 99
TEMP 86 94 94 87 80 77 76 77 90 95 96 90 82 79 77 79 92 97 97 90
DEWPT 74 73 71 73 73 73 72 74 74 73 71 74 74 74 73 74 74 72 72 75
RH 68 51 47 63 79 87 87 90 60 49 45 60 77 85 87 85 56 45 45 62
WIND DIR W W W SW W W W W W W W S S SW SW W W W W S
WIND SPD 8 8 6 4 3 3 3 4 5 6 5 4 3 3 3 4 5 6 6 5
CLOUDS FW FW SC SC SC FW FW CL CL SC B1 FW SC SC FW SC FW SC SC FW
POP 12HR 20 10 20 10 5
QPF 12HR 0.01 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
TSTMS S S
HEAT INDEX 94103101 94 99105104 99 102106106101
MAX HEAT 103 104 90 105 106 95 106 107
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26
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 77 98 75 94 75 98 77 97
TEMP 81 79 97 88 78 77 93 87 78 77 96 91 80 78 96 88
DEWPT 74 75 74 77 75 76 74 75 74 75 73 74 74 74 72 75
PWIND DIR SW N E SE S SW SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC SC SC SC SC FW FW FW FW FW FW FW
POP 12HR 5 50 40 30 20 20 20 40
RAIN SHWRS C C C S S S C
TSTMS C C C S S S C
GAZ099-122000-
METTER-CANDLER GA
32.40N 82.06W ELEV. 197 FT
921 AM EDT WED AUG 12 2026
DATE WED 08/12/26 THU 08/13/26 FRI 08/14/26
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 94 75 97 77 98
TEMP 85 93 93 86 80 78 77 77 88 94 95 89 82 79 77 79 90 96 97 90
DEWPT 75 75 74 75 75 74 73 75 76 74 73 75 75 74 73 75 77 75 73 75
RH 72 56 54 70 85 88 87 94 68 53 49 64 79 85 87 88 66 51 46 62
WIND DIR W W NW W W W W W W W W SW SW SW W W W W W W
WIND SPD 9 9 8 4 3 3 4 4 6 8 6 3 2 2 3 3 5 6 5 3
CLOUDS FW SC SC SC FW SC FW FW FW FW SC SC SC SC SC FW SC SC FW SC
POP 12HR 20 5 10 5 5
QPF 12HR 0.01 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
TSTMS S S
HEAT INDEX 94105103 95 99105105 99 103108107101
MAX HEAT 105 105 105 107 94 108 109
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26
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 77 98 76 96 76 99 78 99
TEMP 81 79 96 89 79 78 94 89 79 78 96 92 81 79 96 89
DEWPT 75 75 75 76 76 76 76 76 75 75 74 74 74 74 74 74
PWIND DIR W W SE NW SW W SW NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC SC SC SC SC FW SC SC FW FW FW FW
POP 12HR 10 30 40 20 10 10 20 30
RAIN SHWRS C C S S C
TSTMS C C S 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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