903
FOUS52 KCHS 191821
PFMCHS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
221 PM EDT WED AUG 19 2026
SCZ150-200800-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N 80.03W ELEV. 45 FT
221 PM EDT WED AUG 19 2026
DATE 08/19/26 THU 08/20/26 FRI 08/21/26 SAT
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 96 75
TEMP 94 88 82 81 79 80 90 94 93 84 82 80 79 80 90 94 92 83 80 79 77 77
DEWPT 76 76 78 78 77 78 77 76 76 76 77 77 77 78 76 75 76 76 76 76 75 76
RH 56 68 88 91 94 94 66 56 58 77 85 91 94 94 64 54 60 80 88 91 94 97
WIND DIR SE SE SE N N N S S S S S S S S S S S S S SW SW SW
WIND SPD 6 5 3 0 0 0 3 6 11 9 6 5 3 2 4 9 11 10 8 4 3 4
CLOUDS SC SC FW FW CL FW FW SC SC FW FW FW FW FW FW SC SC SC SC SC SC SC
POP 12HR 5 20 10 30 50
QPF 12HR 0 0.04 0 0.06 0.21
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C C C C
TSTMS C S C C C C
HEAT INDEX 107 99 91 103107106 93 90 102106105 91
MAX HEAT 108 94 107 109 91 106 106
HEAT Y Y Y Y
DATE 08/22 SUN 08/23/26 MON 08/24/26 TUE 08/25/26 WED 08/26/26
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 93 74 93 75 94 75 93 75 93
TEMP 91 84 77 76 90 83 77 76 91 83 77 77 90 83 78 77 90 83
DEWPT 74 75 75 74 73 73 74 74 70 72 74 74 72 72 74 74 73 72
PWIND DIR SW SW SW SW S S S S SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 SC SC SC SC FW FW FW SC FW FW SC SC FW FW SC
POP 12HR 70 50 30 20 20 20 40 20 40
RAIN SHWRS L C S C S S S S S S S C S S C C
TSTMS L C S C S S S S S S S C S S S C
GAZ218-200800-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N 81.20W ELEV. 50 FT
221 PM EDT WED AUG 19 2026
DATE 08/19/26 THU 08/20/26 FRI 08/21/26 SAT
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 77 97 75
TEMP 99 91 83 80 78 78 91 98 96 87 82 80 78 79 91 97 93 83 79 77 76 76
DEWPT 69 73 75 75 74 74 74 71 73 75 76 76 75 75 76 75 75 76 75 75 74 74
RH 38 56 77 85 88 88 58 42 48 68 82 88 91 88 62 50 56 80 88 94 94 94
WIND DIR NW S S S S W SW W SE S S S S SW S S S S S SW SW SW
WIND SPD 4 4 2 2 1 1 1 3 9 8 4 3 2 2 3 4 9 6 3 2 3 3
CLOUDS FW FW FW FW CL CL FW SC FW SC FW FW FW FW FW SC SC B1 B1 SC SC SC
POP 12HR 5 5 0 50 40
QPF 12HR 0 0 0 0.06 0.13
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C
TSTMS C C C S
HEAT INDEX 106100 90 101106106 96 103110105 91
MAX HEAT 107 93 106 107 92 110 110
HEAT Y Y Y Y
DATE 08/22 SUN 08/23/26 MON 08/24/26 TUE 08/25/26 WED 08/26/26
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 93 74 94 74 95 75 94 75 94
TEMP 92 84 76 75 92 85 76 75 94 84 77 76 92 84 77 76 92 84
DEWPT 75 75 74 73 73 73 73 72 71 73 73 73 72 73 73 73 74 74
PWIND DIR SW SW SW SW SW S S S SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B2 SC FW SC SC FW FW SC SC FW FW SC SC FW FW SC
POP 12HR 70 40 20 5 20 10 30 20 50
RAIN SHWRS L C S S C S C
TSTMS L C S S C S C
SCZ150-200800-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N 79.94W ELEV. 10 FT
221 PM EDT WED AUG 19 2026
DATE 08/19/26 THU 08/20/26 FRI 08/21/26 SAT
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 94 80 94 77
TEMP 93 88 84 82 82 82 91 93 92 86 84 82 81 82 90 93 91 84 82 80 79 79
DEWPT 79 79 80 80 79 79 79 79 79 79 79 79 79 79 80 81 80 79 78 78 77 77
RH 64 75 88 94 91 91 68 64 66 80 85 91 94 91 73 68 70 85 88 94 94 94
WIND DIR SE SE SE S SW E SE SE S S S S SW S S S S S S SW SW SW
WIND SPD 6 4 3 2 2 1 3 8 10 6 5 4 3 2 4 10 11 9 6 4 3 3
CLOUDS SC SC FW FW FW FW FW SC FW FW SC FW FW FW FW FW FW SC SC SC SC SC
POP 12HR 10 10 10 20 40
QPF 12HR 0 0 0 0.03 0.13
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S C C
TSTMS C S S C C
HEAT INDEX 110103 97 92 91 92108110109 99 95 92 90 92107113109 96 91
MAX HEAT 112 98 94 110 110 98 92 113 113 94
HEAT Y Y Y Y
DATE 08/22 SUN 08/23/26 MON 08/24/26 TUE 08/25/26 WED 08/26/26
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 91 76 91 77 92 78 91 78 91
TEMP 90 84 79 78 89 84 80 78 91 84 80 79 89 84 80 79 89 84
DEWPT 79 77 77 76 77 77 77 76 76 76 76 76 76 76 76 76 77 76
PWIND DIR SW SW SW SW S SW S S SW
WIND CHAR GN LT LT LT LT LT LT LT GN
AVG CLOUDS SC B1 B1 SC SC SC SC FW FW SC SC FW FW SC SC FW FW SC
POP 12HR 70 60 20 20 20 20 30 30 40
RAIN SHWRS L L S S S S S S S S S C C C S C C
TSTMS L C S S S S S S S S S S C C S C C
SCZ148-200800-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N 80.72W ELEV. 37 FT
221 PM EDT WED AUG 19 2026
DATE 08/19/26 THU 08/20/26 FRI 08/21/26 SAT
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 97 79 96 76
TEMP 96 89 83 81 80 81 91 95 94 86 82 82 80 80 90 95 93 84 80 79 77 77
DEWPT 75 77 78 77 77 77 76 75 77 77 77 77 77 77 77 77 78 77 76 76 75 75
RH 51 68 85 88 91 88 62 53 58 75 85 85 91 91 66 56 62 80 88 91 94 94
WIND DIR S SE S S SW N S S SE S S S S SW S S S S S SW SW SW
WIND SPD 4 4 2 2 1 0 2 5 8 6 4 3 2 2 3 6 9 6 4 2 2 3
CLOUDS FW FW FW FW CL CL FW SC SC FW SC FW FW FW FW FW SC SC B1 SC SC SC
POP 12HR 10 10 5 30 40
QPF 12HR 0 0 0 0.01 0.04
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C
TSTMS C C C C
HEAT INDEX 108102 93 103107109 97 90 90 103110109 94
MAX HEAT 109 96 107 110 94 90 110 112 90
HEAT Y Y Y Y
DATE 08/22 SUN 08/23/26 MON 08/24/26 TUE 08/25/26 WED 08/26/26
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 93 75 93 75 94 76 93 76 93
TEMP 92 84 77 76 91 85 78 77 93 84 79 77 91 84 79 77 91 84
DEWPT 77 76 75 74 75 75 75 73 72 74 75 74 74 74 75 74 76 75
PWIND DIR SW SW SW SW SW SW S S SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B2 SC FW SC SC FW FW FW SC FW FW SC SC SC FW SC
POP 12HR 60 40 20 5 20 10 30 20 40
RAIN SHWRS L C S S C S S S C
TSTMS L C S S C S S S C
SCZ043-200800-
WALTERBORO-INLAND COLLETON SC
32.91N 80.67W ELEV. 98 FT
221 PM EDT WED AUG 19 2026
DATE 08/19/26 THU 08/20/26 FRI 08/21/26 SAT
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 97 75 96 72
TEMP 94 87 79 77 76 77 91 97 95 86 80 78 76 77 90 95 92 82 77 75 74 74
DEWPT 73 74 75 75 74 75 75 72 74 74 75 75 74 75 74 72 73 74 74 74 73 73
RH 51 65 88 94 94 94 60 45 51 68 85 91 94 94 60 48 54 77 90 97 97 97
WIND DIR E SE N N N N N S SE S S N N N N S S S S N N N
WIND SPD 4 3 0 0 0 0 0 3 8 6 3 0 0 0 0 5 8 5 2 0 0 0
CLOUDS SC SC SC FW CL FW FW SC SC FW FW FW FW SC FW FW B1 B1 B1 SC SC SC
POP 12HR 10 10 5 50 50
QPF 12HR 0 0 0 0.22 0.23
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C C
TSTMS S C C C C
HEAT INDEX 103 95 102106106 94 99104101
MAX HEAT 106 106 107 90 104 104
DATE 08/22 SUN 08/23/26 MON 08/24/26 TUE 08/25/26 WED 08/26/26
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 91 71 92 71 93 72 92 72 92
TEMP 91 82 74 73 91 83 74 74 92 83 74 74 91 83 74 75 91 83
DEWPT 73 74 73 72 70 70 71 70 67 70 71 71 69 71 72 72 71 72
PWIND DIR SW SW SW S SW S S S SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 SC FW FW SC FW FW FW SC FW FW SC SC FW FW SC
POP 12HR 60 40 20 5 20 20 30 10 40
RAIN SHWRS L C S S S C S C
TSTMS L C S S S C S C
GAZ099-200800-
METTER-CANDLER GA
32.40N 82.06W ELEV. 197 FT
221 PM EDT WED AUG 19 2026
DATE 08/19/26 THU 08/20/26 FRI 08/21/26 SAT
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 74 100 75 97 73
TEMP 97 89 80 77 75 76 90 97 98 88 81 78 76 77 89 95 92 80 77 75 74 75
DEWPT 67 70 70 71 70 71 72 70 68 72 73 73 73 73 74 73 73 75 75 74 74 74
RH 38 54 72 82 84 85 56 42 38 59 77 85 90 87 61 49 54 85 94 97100 97
WIND DIR NW SW W S SW W NW N SE S SE S S SW SW SW SW S S S SW SW
WIND SPD 5 2 1 1 1 1 3 4 3 3 3 2 2 2 3 4 4 4 2 2 2 2
CLOUDS CL FW CL CL CL FW CL FW FW FW FW FW SC SC FW FW SC B1 B1 SC SC SC
POP 12HR 0 0 5 60 50
QPF 12HR 0 0 0 0.22 0.27
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L C C
TSTMS L L C
HEAT INDEX 101 94 97104104 95 98105101
MAX HEAT 101 104 105 90 105 106
DATE 08/22 SUN 08/23/26 MON 08/24/26 TUE 08/25/26 WED 08/26/26
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 92 72 94 72 94 72 94 73 94
TEMP 90 83 75 74 91 85 74 74 92 85 75 73 92 84 75 75 92 83
DEWPT 75 75 73 73 71 69 70 69 68 69 71 71 70 71 72 72 73 73
PWIND DIR SW SW W SW SW S SW S SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC FW FW FW FW FW FW SC FW FW FW SC FW SC SC
POP 12HR 40 30 20 5 10 10 20 10 40
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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