387
FOUS52 KCHS 161821
PFMCHS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
221 PM EDT SUN AUG 16 2026
SCZ150-170800-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N 80.03W ELEV. 45 FT
221 PM EDT SUN AUG 16 2026
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 WED
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 99 79 100 79
TEMP 90 84 81 80 79 80 91 97 97 89 84 82 81 81 92 99 98 88 83 81 80 81
DEWPT 78 79 79 77 77 77 77 74 76 77 76 75 74 74 75 74 74 77 77 76 76 77
RH 68 85 94 91 94 91 64 48 51 68 77 79 79 79 58 45 47 70 82 85 88 88
WIND DIR SE S S S SW SW W W S S SW SW W W NW W W SW NW NW N N
WIND SPD 6 4 2 3 3 4 6 5 10 10 8 6 6 6 6 5 6 6 4 2 2 2
CLOUDS B1 B1 SC FW FW SC FW FW FW FW FW CL CL CL CL FW SC SC SC FW FW FW
POP 12HR 10 0 5 20 10
QPF 12HR 0 0 0 0.03 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S
TSTMS C S S
HEAT INDEX 105 96 90 105109111102 93 103111110100 92
MAX HEAT 109 94 109 112 99 111 112 97
EXTREME HEAT W W W
HEAT Y
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 79 97 78 95 76 93 75 93
TEMP 95 87 81 80 95 88 81 79 93 85 78 77 91 83 78 76 91 84
DEWPT 75 77 77 78 74 77 77 77 75 77 76 76 74 75 75 75 73 73
PWIND DIR E S S S SW SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC FW FW SC SC FW SC SC SC SC SC B1 B1 SC SC B1
POP 12HR 30 10 20 10 40 50 50 40 30
RAIN SHWRS C S C C S S C C S S C
TSTMS C S C C S S C C S S C
GAZ218-170800-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N 81.20W ELEV. 50 FT
221 PM EDT SUN AUG 16 2026
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 WED
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 99 79 100 78
TEMP 92 84 81 79 78 79 90 98 98 90 84 82 81 81 92100 98 90 83 81 79 79
DEWPT 77 78 78 76 75 76 76 73 72 75 74 73 73 74 76 74 73 75 75 74 74 75
RH 62 82 91 91 91 91 64 45 43 62 72 74 77 79 60 44 45 62 77 79 85 88
WIND DIR S S SW SW W W W W W SW SW SW W W NW W W SW W W W NW
WIND SPD 10 5 4 4 5 4 5 5 5 5 5 6 6 5 5 5 5 4 3 3 3 2
CLOUDS B1 B1 SC FW FW FW SC SC FW FW SC FW FW CL FW FW SC SC SC FW FW FW
POP 12HR 20 5 0 20 20
QPF 12HR 0 0 0 0.02 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S S S
TSTMS C S S S S
HEAT INDEX 106 95 102109107101 91 105112109101 90
MAX HEAT 110 91 109 110 98 112 111 96
HEAT Y Y Y Y
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 78 98 77 96 75 94 75 94
TEMP 98 89 80 79 96 89 80 78 95 85 77 77 92 83 77 76 91 84
DEWPT 74 76 76 75 75 76 76 75 75 76 75 75 75 76 74 74 74 74
PWIND DIR SW SW S SW SW SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC B1 FW FW SC SC SC FW SC B1 SC SC SC B2 SC SC SC
POP 12HR 20 10 20 10 50 50 60 40 30
RAIN SHWRS S S C C L C S S C
TSTMS S S C C C C S C
SCZ150-170800-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N 79.94W ELEV. 10 FT
221 PM EDT SUN AUG 16 2026
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 WED
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 96 81 99 80
TEMP 89 84 83 81 80 81 91 96 93 89 85 83 82 82 92 98 95 87 84 83 82 82
DEWPT 80 80 80 79 78 79 79 79 80 80 79 78 76 76 79 79 80 80 80 79 78 79
RH 75 88 91 94 94 94 68 58 66 75 82 85 82 82 66 55 62 80 88 88 88 91
WIND DIR SE S S SW SW W W S S SW SW SW W W W SW SW SW W W NW N
WIND SPD 8 4 4 4 4 4 5 8 11 9 6 5 5 4 4 5 8 5 3 2 2 2
CLOUDS B1 B1 SC FW FW FW FW FW SC FW FW CL CL CL CL FW FW SC SC FW SC FW
POP 12HR 10 5 0 20 10
QPF 12HR 0 0 0 0.03 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S
TSTMS C S S
HEAT INDEX 106 97 94 90 90107113111106 98 93 109116114102 97 93 90 92
MAX HEAT 111 97 90 113 113 103 92 116 116 101 92
EXTREME HEAT W W W
HEAT Y
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 95 80 93 78 91 77 91
TEMP 94 87 83 82 93 87 82 81 91 85 81 80 90 84 80 79 90 84
DEWPT 80 79 80 79 79 79 79 78 80 79 78 77 78 78 77 76 77 77
PWIND DIR E S S SW S SW SW SW SW
WIND CHAR LT LT LT LT GN LT GN LT LT
AVG CLOUDS FW SC SC FW FW SC SC FW SC SC SC SC SC SC B1 SC SC B1
POP 12HR 20 5 10 10 40 50 50 50 30
RAIN SHWRS S C C C S C C C S C
TSTMS S C C C S C C C S C
SCZ148-170800-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N 80.72W ELEV. 37 FT
221 PM EDT SUN AUG 16 2026
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 WED
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 99 80 100 79
TEMP 92 85 82 80 79 80 91 97 98 90 85 83 81 81 92100 98 89 84 82 80 81
DEWPT 79 79 79 77 76 77 77 75 75 77 76 74 73 74 77 76 76 77 76 76 75 75
RH 66 82 91 91 91 91 64 50 48 66 75 74 77 79 62 47 50 68 77 82 85 82
WIND DIR S S S SW W W W W S S SW SW W W NW W SW SW W W W N
WIND SPD 9 5 3 4 4 5 5 4 5 6 5 5 6 5 5 4 4 4 2 2 2 2
CLOUDS SC SC SC FW FW FW FW FW FW SC FW FW FW CL CL FW SC SC SC FW FW FW
POP 12HR 20 5 0 20 10
QPF 12HR 0 0 0 0.03 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S
TSTMS C S S
HEAT INDEX 109 98 92 105110111103 94 90 106115113102 93
MAX HEAT 112 94 110 112 99 115 115 99
EXTREME HEAT W W W
HEAT Y
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 97 79 96 77 94 76 93
TEMP 97 89 82 80 96 88 81 80 94 85 79 78 91 84 78 77 91 85
DEWPT 76 77 77 77 77 77 77 76 77 77 76 76 77 77 75 75 75 75
PWIND DIR E S S S SW SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC FW FW SC SC SC FW SC B1 SC SC SC B1 SC SC SC
POP 12HR 20 5 10 5 40 40 50 40 30
RAIN SHWRS S C C C C S C
TSTMS S C C C C S C
SCZ043-170800-
WALTERBORO-INLAND COLLETON SC
32.91N 80.67W ELEV. 98 FT
221 PM EDT SUN AUG 16 2026
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 WED
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 99 76 99 76
TEMP 90 83 79 77 76 77 90 97 98 89 82 80 78 78 91 98 97 87 81 78 77 78
DEWPT 76 77 77 75 75 75 75 71 70 73 73 72 71 72 74 72 71 74 74 73 73 74
RH 64 82 94 94 97 94 62 43 41 59 74 77 79 82 58 43 43 65 79 85 87 88
WIND DIR E S S S SW W W W W SW SW SW W W NW W W N N N N N
WIND SPD 2 5 3 3 3 4 5 6 5 4 4 4 5 4 5 5 4 0 0 0 0 0
CLOUDS B1 B1 SC FW FW FW FW FW FW SC FW CL FW CL FW FW FW SC SC FW FW FW
POP 12HR 20 0 5 10 10
QPF 12HR 0.01 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S
TSTMS C S
HEAT INDEX 102 92 101105105 97 101107105 95
MAX HEAT 105 105 107 94 107 108 93
HEAT Y Y Y Y
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 96 75 96 75 94 73 91 72 91
TEMP 96 87 77 77 95 87 77 77 93 84 75 75 90 83 74 74 90 83
DEWPT 72 75 74 75 72 74 74 74 73 75 74 74 73 73 73 72 70 71
PWIND DIR NW S S S SW S SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC FW FW SC SC FW FW SC SC SC SC SC B1 SC SC SC
POP 12HR 30 5 20 10 50 40 60 40 20
RAIN SHWRS C S C C S L C S
TSTMS C S C C C C S
GAZ099-170800-
METTER-CANDLER GA
32.40N 82.06W ELEV. 197 FT
221 PM EDT SUN AUG 16 2026
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 WED
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 76 99 78 99 76
TEMP 91 84 80 78 78 78 89 95 99 89 83 81 79 79 90 97 99 88 81 79 77 78
DEWPT 76 77 77 75 74 75 75 72 70 74 74 73 73 73 76 74 72 75 74 73 73 74
RH 62 80 91 91 88 91 64 48 39 61 74 77 82 82 64 48 42 66 79 82 87 88
WIND DIR NW S SW SW SW W W W W SW SW W W W NW W W W NW W W NW
WIND SPD 3 2 3 3 4 4 6 8 6 3 4 4 5 4 5 8 6 3 2 2 3 3
CLOUDS SC SC FW FW SC FW FW FW FW FW FW SC FW FW CL FW FW FW SC FW FW FW
POP 12HR 10 0 0 10 20
QPF 12HR 0 0 0 0 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S
TSTMS C S S
HEAT INDEX 103 94 99104107 98 90 102109109 98
MAX HEAT 107 104 108 95 109 109 94
HEAT Y Y Y Y
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 96 75 95 73 92 73 92
TEMP 95 88 78 77 94 87 77 77 93 84 76 74 90 82 75 75 90 84
DEWPT 73 74 74 74 73 74 74 75 75 76 75 74 75 75 74 73 73 73
PWIND DIR NW SW SW SW SW S SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC FW SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR 20 10 20 20 50 40 50 30 20
RAIN SHWRS S S S C C C C S
TSTMS S S S C C C C 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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