980
FOUS52 KCHS 170936
PFMCHS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
536 AM EDT MON AUG 17 2026
SCZ150-172000-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N 80.03W ELEV. 45 FT
536 AM EDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 100 79 100 78 97
TEMP 80 90 98 97 88 84 82 81 81 93100 97 87 83 81 79 80 90 95 93 86
DEWPT 78 77 74 76 77 76 75 73 74 75 74 76 77 76 75 75 76 76 75 76 76
RH 94 66 47 51 70 77 79 77 79 56 44 51 72 80 82 88 88 64 53 58 72
WIND DIR W W W S S SW SW W W W W W W SW W NW N NE SE S S
WIND SPD 5 5 5 10 10 9 8 8 6 8 8 9 8 4 3 2 2 4 6 8 6
CLOUDS SC FW SC SC SC FW FW CL FW SC FW SC SC SC FW FW FW FW SC SC SC
POP 12HR 20 10 30 10 20
QPF 12HR 0 0 0.08 0 0.05
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C S S
TSTMS S S S C S S
HEAT INDEX 103110111100 93 105112111 99 91 102107106 96
MAX HEAT 110 111 97 112 112 96 107 107
EXTREME HEAT W W W A A A
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 97 79 97 77 94 75 93
TEMP 80 80 95 87 80 81 94 86 79 78 91 84 78 77 91 84
DEWPT 77 78 74 76 77 78 75 76 76 76 75 76 75 75 74 74
PWIND DIR S S S S S SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW SC SC FW FW SC SC SC SC SC B1 SC SC SC
POP 12HR 5 10 0 20 30 50 50 40
RAIN SHWRS S C S S C C C C
TSTMS S C S S C C C C
GAZ218-172000-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N 81.20W ELEV. 50 FT
536 AM EDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 79 100 77 99
TEMP 79 90 97 97 90 84 82 81 80 92 99 98 87 83 80 78 78 90 97 97 88
DEWPT 76 77 74 73 75 74 73 73 74 77 75 75 75 74 74 73 73 75 72 71 74
RH 91 66 48 46 62 72 74 77 82 62 47 48 68 74 82 85 85 62 45 43 63
WIND DIR W W W SW S SW SW W W W W W W SW W W W NW SW S SE
WIND SPD 4 5 5 5 5 5 6 6 6 6 8 6 4 3 3 3 3 2 3 5 5
CLOUDS SC FW SC SC SC FW FW FW SC SC FW B1 B2 SC FW FW FW FW FW SC SC
POP 12HR 20 10 30 10 20
QPF 12HR 0.01 0 0.06 0 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C S S
TSTMS S C S S
HEAT INDEX 103109107101 91 106112111 96 90 101106105 97
MAX HEAT 109 111 96 113 114 94 106 106
EXTREME HEAT A A A
HEAT Y Y Y
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 99 77 98 76 95 75 95
TEMP 80 79 97 89 80 78 97 87 79 77 93 84 77 76 92 84
DEWPT 76 75 73 75 76 75 75 76 75 75 75 75 75 74 74 74
PWIND DIR S S S S S SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW SC SC FW FW SC B1 SC SC SC B1 SC FW SC
POP 12HR 0 10 0 20 30 50 30 30
RAIN SHWRS S C C C C
TSTMS S C C C C
SCZ150-172000-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N 79.94W ELEV. 10 FT
536 AM EDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 81 99 80 95
TEMP 81 90 96 93 87 85 83 82 82 93 99 95 87 84 82 80 81 90 93 91 85
DEWPT 79 80 80 80 80 79 77 76 76 79 79 79 79 79 78 77 78 80 80 80 79
RH 94 73 60 66 80 82 82 82 82 64 53 60 77 85 88 91 91 73 66 70 82
WIND DIR W W S S SW SW SW W W W SW SW SW SW SW W N E SE S S
WIND SPD 3 4 6 11 9 8 5 6 5 5 8 10 8 3 2 2 2 3 8 8 4
CLOUDS SC FW FW SC FW FW FW CL FW SC FW SC SC SC FW FW FW FW SC FW SC
POP 12HR 20 10 30 10 20
QPF 12HR 0 0 0.07 0 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C S S
TSTMS S S S C S S
HEAT INDEX 90108116112103 98 92 110118113101 96 91 107112109 98
MAX HEAT 90 116 116 101 92 119 117 99 112 112
EXTREME HEAT W W W A A A
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 95 81 94 79 92 78 91
TEMP 82 82 93 87 82 83 93 86 82 80 90 84 80 80 89 84
DEWPT 80 80 80 79 79 79 80 79 78 78 79 78 77 77 78 77
PWIND DIR S S S S SW SW SW SW
WIND CHAR LT LT LT GN LT GN LT GN
AVG CLOUDS SC FW FW SC SC FW FW SC SC SC SC SC B1 SC SC SC
POP 12HR 5 5 5 20 30 50 50 40
RAIN SHWRS S C S S C C C S C
TSTMS S C S S C C C S C
SCZ148-172000-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N 80.72W ELEV. 37 FT
536 AM EDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 100 80 100 79 98
TEMP 80 91 98 98 89 85 83 81 81 92 98 97 88 84 81 79 80 90 96 96 87
DEWPT 77 78 76 76 77 75 74 73 74 77 77 77 77 75 74 74 74 77 76 76 76
RH 91 66 50 50 68 72 74 77 79 62 51 53 70 74 79 85 82 66 53 53 70
WIND DIR W W W S S SW SW W W W W SW SW SW W W NW NE S S SE
WIND SPD 4 5 4 5 6 6 5 6 5 6 6 5 5 3 3 2 1 2 3 6 4
CLOUDS FW SC FW FW FW FW FW FW FW FW CL SC B1 SC SC FW FW FW FW SC SC
POP 12HR 20 10 30 10 20
QPF 12HR 0 0 0.08 0 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C S S
TSTMS S C S S
HEAT INDEX 106113113102 94 90 106114113100 92 103110110 98
MAX HEAT 113 115 98 114 115 96 110 111
EXTREME HEAT W W W A A A
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 98 79 98 77 94 76 94
TEMP 81 81 96 88 82 81 95 88 80 78 92 84 79 77 92 84
DEWPT 77 77 76 77 77 77 77 77 76 76 77 76 75 75 76 76
PWIND DIR S S S S S SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW FW SC FW FW SC SC SC SC SC B1 SC FW SC
POP 12HR 0 5 0 30 30 50 40 30
RAIN SHWRS C C C C S C
TSTMS C C C C S C
SCZ043-172000-
WALTERBORO-INLAND COLLETON SC
32.91N 80.67W ELEV. 98 FT
536 AM EDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 77 98 75 97
TEMP 77 90 96 97 88 82 80 78 79 91 97 97 87 80 78 76 77 89 95 95 85
DEWPT 75 74 71 70 73 73 72 71 72 74 72 72 73 74 72 72 73 74 71 71 73
RH 94 60 45 42 61 74 77 79 79 58 45 45 63 82 82 87 87 61 46 46 67
WIND DIR W W W SW S SW SW W W W W W NW N N N N NE SW S SE
WIND SPD 4 5 6 6 5 5 5 5 5 6 8 8 3 0 0 0 0 4 3 5 3
CLOUDS FW FW FW FW FW FW CL FW SC FW FW FW SC SC FW FW FW FW FW SC SC
POP 12HR 10 5 20 10 20
QPF 12HR 0 0 0.04 0 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S
TSTMS S S S
HEAT INDEX 99104104 96 101106106 94 98103103 92
MAX HEAT 104 105 92 106 107 90 103 104
HEAT Y Y Y
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 97 75 97 74 93 72 92
TEMP 77 77 96 87 77 77 95 86 76 76 91 82 75 74 90 83
DEWPT 74 75 70 73 75 75 72 74 74 74 73 73 73 73 72 72
PWIND DIR SE S S S S SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW SC SC FW FW SC SC SC SC SC B1 SC SC SC
POP 12HR 0 10 5 40 30 60 40 30
RAIN SHWRS C C L C S C
TSTMS C C C C S C
GAZ099-172000-
METTER-CANDLER GA
32.40N 82.06W ELEV. 197 FT
536 AM EDT MON AUG 17 2026
DATE MON 08/17/26 TUE 08/18/26 WED 08/19/26
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 75 97
TEMP 78 89 96 98 89 83 81 80 79 90 95 97 87 81 78 76 76 88 95 97 87
DEWPT 75 76 73 71 74 74 73 73 74 76 75 73 74 73 72 70 70 73 71 67 70
RH 91 66 48 42 61 74 77 79 85 64 53 46 65 77 82 82 82 61 46 38 57
WIND DIR W NW W W SW SW W W W W W W W W W W NW NW W NW NW
WIND SPD 4 6 8 6 4 4 4 5 5 8 9 9 4 3 2 3 3 3 5 4 2
CLOUDS FW FW FW FW FW SC FW SC FW FW FW FW SC SC FW FW FW FW FW FW FW
POP 12HR 10 5 10 5 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 100106106 98 90 102107107 95 96103101 92
MAX HEAT 106 107 93 107 109 90 103 102
HEAT Y Y Y
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 99 75 97 74 94 73 93
TEMP 78 77 97 90 77 77 95 86 76 76 91 83 75 75 91 84
DEWPT 72 72 70 71 74 74 73 74 74 74 75 74 74 73 73 72
PWIND DIR S S S 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 SC SC SC B1 SC SC SC
POP 12HR 5 10 5 30 40 40 40 20
RAIN SHWRS C C C C S
TSTMS 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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