321
FOUS52 KCHS 190936
PFMCHS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
536 AM EDT WED AUG 19 2026
SCZ150-192000-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N 80.03W ELEV. 45 FT
536 AM EDT WED AUG 19 2026
DATE WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 78 96
TEMP 80 91 96 95 87 83 80 79 80 91 95 93 85 82 80 79 80 90 93 90 83
DEWPT 75 74 75 74 75 77 77 77 78 75 74 75 75 77 77 77 78 76 75 77 76
RH 85 58 51 51 68 82 91 94 94 60 51 56 72 85 91 94 94 64 56 66 80
WIND DIR NW SW S S S S N N N S S S S S S S S S S S S
WIND SPD 3 3 5 9 6 3 0 0 0 3 8 11 9 6 5 4 4 5 9 11 10
CLOUDS CL FW FW SC SC FW FW FW CL FW SC SC SC FW FW FW FW FW SC SC B1
POP 12HR 10 10 20 5 50
QPF 12HR 0 0 0 0 0.20
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C
TSTMS S C C C
HEAT INDEX 101108106 96 92 102106105 94 90 102105103 91
MAX HEAT 108 111 94 106 107 91 105 106
HEAT Y Y Y
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26 TUE 08/25/26
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 76 94 75 94 76 94 76 93
TEMP 79 78 92 83 77 76 91 84 78 77 92 84 78 77 91 84
DEWPT 76 76 75 75 75 74 73 73 75 74 71 72 74 74 72 73
PWIND DIR S SW SW SW SW SW S SW
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS B1 SC SC B1 B2 SC SC SC SC FW FW FW SC FW FW SC
POP 12HR 40 70 50 30 10 30 30 30
RAIN SHWRS C S L C S S C C C S C
TSTMS C S L C S S C C C S C
GAZ218-192000-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N 81.20W ELEV. 50 FT
536 AM EDT WED AUG 19 2026
DATE WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 99 77 99 77 98
TEMP 79 91 98 98 90 83 80 78 78 91 98 95 88 83 80 78 79 90 96 92 83
DEWPT 72 72 70 69 73 74 74 73 74 75 73 73 75 76 76 75 75 77 75 76 76
RH 79 54 41 39 58 74 82 85 88 60 45 49 66 80 88 91 88 66 51 60 80
WIND DIR W W W W S S SW W W SW S SE SE S S S S SW S S S
WIND SPD 3 4 4 4 4 2 2 2 1 1 3 9 8 4 3 3 2 3 5 8 6
CLOUDS FW FW CL FW FW FW FW CL FW CL FW FW FW FW CL FW FW FW SC B1 B1
POP 12HR 5 10 5 0 60
QPF 12HR 0 0 0 0 0.27
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L C
TSTMS L L C
HEAT INDEX 99105104 98 90 102109105 98 91 103108105 91
MAX HEAT 105 106 93 109 109 94 109 108
HEAT Y Y Y
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26 TUE 08/25/26
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 75 95 74 95 74 96 75 95
TEMP 78 77 93 84 76 75 93 86 77 75 94 86 78 76 93 86
DEWPT 75 74 76 75 74 73 73 74 73 72 71 73 73 73 73 74
PWIND DIR S SW SW SW SW SW S SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC B1 B2 SC SC SC SC FW FW FW SC FW FW SC
POP 12HR 30 70 30 20 5 30 30 30
RAIN SHWRS C L C S C C C
TSTMS C L C S C S C
SCZ150-192000-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N 79.94W ELEV. 10 FT
536 AM EDT WED AUG 19 2026
DATE WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 80 95 80 94
TEMP 81 92 95 93 87 83 81 81 82 91 93 91 85 83 82 81 82 90 92 89 83
DEWPT 77 77 78 79 78 79 79 79 80 80 80 79 79 79 80 79 79 80 80 80 79
RH 88 62 58 64 75 88 94 94 94 70 66 68 82 88 94 94 91 73 68 75 88
WIND DIR NW S S S S S S SW W S SE S S S S SW SW S S S S
WIND SPD 2 3 8 8 4 3 2 2 1 3 9 10 8 5 4 4 3 5 10 10 8
CLOUDS CL FW FW SC SC SC FW FW FW FW FW SC SC SC FW FW FW FW FW SC SC
POP 12HR 10 5 10 5 40
QPF 12HR 0 0 0 0 0.08
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C
TSTMS C C C
HEAT INDEX 106110110100 94 90 90 93108112108 98 94 93 90 92107111106 94
MAX HEAT 110 112 98 93 112 112 96 92 111 109
HEAT Y Y Y
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26 TUE 08/25/26
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 92 77 92 78 92 78 92
TEMP 80 80 90 84 80 78 89 84 81 79 91 85 80 79 90 84
DEWPT 78 78 80 78 77 76 77 77 77 76 76 76 76 76 77 76
PWIND DIR S SW SW SW SW SW SW SW
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS B1 SC SC B1 B1 SC SC SC SC FW FW FW SC FW FW SC
POP 12HR 40 60 50 30 10 20 30 30
RAIN SHWRS C S S L C C S C S C S S C
TSTMS C S S L C C S C S C S S C
SCZ148-192000-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N 80.72W ELEV. 37 FT
536 AM EDT WED AUG 19 2026
DATE WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 99 78 98 79 96
TEMP 80 91 97 96 89 84 82 79 80 91 96 94 87 83 82 80 80 90 94 91 84
DEWPT 73 74 73 73 75 76 77 76 76 77 76 77 77 77 78 77 77 77 78 79 77
RH 79 58 46 48 64 77 85 91 88 64 53 58 72 82 88 91 91 66 60 68 80
WIND DIR W W W SW S S SW SW N S S SE S S S S S S S S S
WIND SPD 3 3 3 5 4 2 1 1 0 1 5 9 6 4 3 3 2 3 6 9 6
CLOUDS FW FW FW FW FW FW FW FW CL FW FW FW FW FW FW FW FW FW SC SC SC
POP 12HR 5 10 5 0 40
QPF 12HR 0 0 0 0 0.09
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C
TSTMS C C C
HEAT INDEX 101107106 99 93 90 105110109 99 92 91 103110108 94
MAX HEAT 107 109 95 110 111 96 110 110
HEAT Y Y Y
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26 TUE 08/25/26
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 94 75 94 76 95 77 94
TEMP 79 78 92 84 78 77 92 85 79 77 93 86 78 78 92 85
DEWPT 76 76 77 77 75 74 75 76 75 73 73 75 75 74 74 75
PWIND DIR S SW SW SW SW SW S SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC B1 B2 SC SC SC SC FW FW FW SC FW FW SC
POP 12HR 40 60 30 20 5 30 30 30
RAIN SHWRS C S L C S C C C
TSTMS C S L C S C S C
SCZ043-192000-
WALTERBORO-INLAND COLLETON SC
32.91N 80.67W ELEV. 98 FT
536 AM EDT WED AUG 19 2026
DATE WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 75 98 75 96
TEMP 78 91 96 96 87 80 78 76 77 91 97 94 86 79 77 76 77 89 94 90 82
DEWPT 71 72 72 71 72 73 74 74 74 73 70 71 73 75 75 75 75 74 73 74 74
RH 79 54 46 45 61 79 88 94 90 56 42 47 65 88 94 97 94 61 51 60 77
WIND DIR N N W NW SE N N N N N SW SE S S N N N S S S SE
WIND SPD 0 0 3 4 3 0 0 0 0 0 3 8 8 4 0 0 0 3 6 8 6
CLOUDS FW SC FW FW SC FW CL FW FW CL FW SC FW FW FW FW FW FW SC SC B1
POP 12HR 20 10 10 5 70
QPF 12HR 0.07 0 0 0 0.47
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S L L C
TSTMS S L L C
HEAT INDEX 99105104 94 100104101 93 98103 99
MAX HEAT 105 107 90 104 105 103 102
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26 TUE 08/25/26
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 73 93 72 93 72 94 72 93
TEMP 75 75 91 82 74 74 91 84 74 74 92 84 74 75 91 84
DEWPT 74 74 74 73 72 72 70 71 72 71 68 70 71 71 69 71
PWIND DIR S SW S SW S SW S SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC B1 B2 SC SC SC SC FW FW FW SC FW FW SC
POP 12HR 40 70 40 20 5 30 30 30
RAIN SHWRS C L C S S C C C
TSTMS C L C S S C S C
GAZ099-192000-
METTER-CANDLER GA
32.40N 82.06W ELEV. 197 FT
536 AM EDT WED AUG 19 2026
DATE WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 74 99 75 97
TEMP 77 88 94 97 89 81 77 75 76 89 97 98 88 81 78 76 77 89 95 92 82
DEWPT 71 72 69 67 69 70 70 70 71 73 70 68 71 73 73 73 74 75 73 73 75
RH 82 59 44 38 52 69 79 84 85 59 42 38 57 77 85 90 90 64 49 54 79
WIND DIR W W NW NW NW W W W W W NW NE SE S S SW SW SW SW SW S
WIND SPD 3 5 6 5 2 2 1 2 2 2 4 3 3 3 3 2 2 3 5 5 4
CLOUDS CL FW FW FW FW FW CL CL CL CL CL CL CL FW FW FW FW FW FW SC B1
POP 12HR 0 5 0 5 60
QPF 12HR 0 0 0 0 0.10
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L C
TSTMS L L C
HEAT INDEX 95 99101 94 97104104 94 99105101
MAX HEAT 99 102 104 105 90 105 105
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26 TUE 08/25/26
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 73 93 73 94 72 95 72 95
TEMP 76 75 91 83 75 74 92 86 76 73 92 86 76 73 92 86
DEWPT 74 74 75 75 73 73 71 70 70 70 70 70 71 71 70 71
PWIND DIR S SW SW W SW SW S SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC SC SC SC SC FW FW FW FW FW SC FW FW SC
POP 12HR 50 50 30 10 5 10 20 30
RAIN SHWRS C C C S C
TSTMS C C 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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