439
FOUS52 KCHS 182046
PFMCHS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
446 PM EDT FRI SEP 18 2026
SCZ150-190800-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N 80.03W ELEV. 45 FT
446 PM EDT FRI SEP 18 2026
DATE 09/18/26 SAT 09/19/26 SUN 09/20/26 MON
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 73 92 73 89 73
TEMP 87 82 78 76 74 74 84 90 86 79 77 75 74 74 82 87 84 78 76 75 74 74
DEWPT 68 70 72 72 72 72 73 72 74 74 75 74 74 74 74 73 74 74 74 74 74 74
RH 53 67 82 87 93 93 70 56 68 85 94 97100100 77 63 72 88 94 97100100
WIND DIR S S SW W W N N N E E N N N N NE E SE SE N N N N
WIND SPD 4 6 5 3 3 3 4 2 5 4 0 0 2 4 4 5 6 4 0 0 0 1
CLOUDS SC SC SC SC SC SC SC FW B1 B1 B1 B1 B1 B1 SC B1 B1 B1 SC SC SC SC
POP 12HR 10 50 30 60 5
QPF 12HR 0 0.14 0.01 0.13 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C S S S S L L
TSTMS S C S S S C C
HEAT INDEX 91 90 97 94 94 91
MAX HEAT 92 97 98 94 93
DATE 09/21 TUE 09/22/26 WED 09/23/26 THU 09/24/26 FRI 09/25/26
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 89 73 87 71 85 69 84 67 82
TEMP 87 80 75 74 84 78 74 72 82 77 72 70 81 77 70 68 80 75
DEWPT 73 74 74 74 73 74 73 72 72 71 69 68 70 68 67 66 67 66
PWIND DIR E E E NE NE NE NE NE NE
WIND CHAR LT LT LT LT GN GN GN LT GN
AVG CLOUDS SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 SC SC SC SC SC
POP 12HR 40 40 70 20 50 10 20 10 20
RAIN SHWRS C C C C L S S C C S S
TSTMS C C C C S S C S S
GAZ218-190800-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N 81.20W ELEV. 50 FT
446 PM EDT FRI SEP 18 2026
DATE 09/18/26 SAT 09/19/26 SUN 09/20/26 MON
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 73 93 73 90 73
TEMP 89 81 77 75 74 74 84 91 89 80 77 76 74 74 83 88 85 78 76 75 74 74
DEWPT 69 70 72 72 71 71 72 74 74 74 74 74 73 74 75 75 75 74 74 74 73 73
RH 52 69 85 90 90 90 67 58 61 82 90 94 97100 77 66 72 88 94 97 97 97
WIND DIR E S S SW NW NW W N SE SE E N N N NE E E SE N N N N
WIND SPD 5 4 2 1 1 1 2 2 5 3 1 0 1 2 3 4 6 3 0 0 1 2
CLOUDS FW SC SC SC SC SC SC SC SC SC SC FW SC SC SC B1 B1 B1 SC SC SC SC
POP 12HR 5 30 30 60 5
QPF 12HR 0 0.02 0.04 0.08 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S S S S L L S
TSTMS S S S S S C C
HEAT INDEX 94 90101 98 90 98 94
MAX HEAT 97 101 101 98 98
DATE 09/21 TUE 09/22/26 WED 09/23/26 THU 09/24/26 FRI 09/25/26
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 89 73 88 72 86 70 84 69 84
TEMP 87 80 75 74 86 79 74 73 84 79 73 71 82 78 72 69 82 76
DEWPT 75 74 74 74 76 74 73 72 75 72 70 68 73 69 68 66 69 68
PWIND DIR E E NE NE NE NE NE NE NE
WIND CHAR LT LT LT LT GN LT GN LT GN
AVG CLOUDS SC B1 B1 SC B1 B1 B1 SC B1 B1 B1 SC SC B1 SC SC SC SC
POP 12HR 50 40 70 20 50 10 20 5 20
RAIN SHWRS S C C C L S S S C S S S
TSTMS C S S C S C S S
SCZ150-190800-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N 79.94W ELEV. 10 FT
446 PM EDT FRI SEP 18 2026
DATE 09/18/26 SAT 09/19/26 SUN 09/20/26 MON
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 90 75 87 75
TEMP 85 82 80 78 77 77 84 88 85 80 78 77 75 75 82 85 84 80 78 77 75 75
DEWPT 72 73 74 75 74 74 75 77 76 76 76 76 75 75 77 78 77 76 76 76 75 75
RH 65 74 82 91 90 90 74 70 75 88 94 97100100 85 80 80 88 94 97100100
WIND DIR S S SW SW W N NE SE SE E E NE N N NE E E SE SE SE N N
WIND SPD 6 5 3 2 2 2 3 4 5 3 2 1 2 2 3 5 6 3 1 1 1 2
CLOUDS SC SC SC SC SC SC SC FW SC SC B1 B1 B1 B1 SC B1 B1 SC SC SC SC SC
POP 12HR 10 40 30 50 10
QPF 12HR 0 0.11 0.01 0.06 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C S C S S C C S
TSTMS S C S S S C C
HEAT INDEX 91 92100 94 90 97 93
MAX HEAT 94 100 100 97 97
DATE 09/21 TUE 09/22/26 WED 09/23/26 THU 09/24/26 FRI 09/25/26
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 88 75 86 73 84 71 83 69 82
TEMP 86 81 77 75 85 80 75 74 83 78 73 71 82 77 72 70 81 76
DEWPT 78 77 76 75 77 76 75 73 76 74 71 70 74 72 69 68 71 70
PWIND DIR E E NE NE NE NE NE NE NE
WIND CHAR LT LT LT LT GN GN GN GN GN
AVG CLOUDS SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 SC SC SC SC
POP 12HR 30 50 60 40 50 20 20 10 20
RAIN SHWRS S C C C C L C C C C S S S S S
TSTMS S C C C S C C S C S S S
SCZ148-190800-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N 80.72W ELEV. 37 FT
446 PM EDT FRI SEP 18 2026
DATE 09/18/26 SAT 09/19/26 SUN 09/20/26 MON
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 91 74 88 74
TEMP 89 81 78 76 75 75 84 89 87 79 77 76 75 75 82 86 84 78 76 75 75 75
DEWPT 70 72 73 73 73 73 73 76 76 75 75 75 74 75 76 77 76 75 75 75 74 75
RH 54 74 85 90 94 94 70 66 70 88 94 97 97100 82 75 77 91 97100 97100
WIND DIR S S SW W NW NW N E SE E N N N N NE E SE SE N N N N
WIND SPD 3 4 2 1 1 1 2 1 4 3 0 0 1 2 3 3 4 3 0 0 1 2
CLOUDS FW SC FW SC B1 FW FW SC B1 SC SC SC FW B1 SC B1 B1 B1 SC SC SC SC
POP 12HR 5 40 40 50 5
QPF 12HR 0 0.05 0.10 0.15 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C S S C C
TSTMS S S C S C C
HEAT INDEX 94 90100 98 97 93
MAX HEAT 99 100 101 97 97
DATE 09/21 TUE 09/22/26 WED 09/23/26 THU 09/24/26 FRI 09/25/26
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 87 74 86 73 84 70 83 69 82
TEMP 85 80 75 74 84 79 75 73 82 78 72 71 81 77 71 69 80 76
DEWPT 77 76 75 74 77 75 74 73 76 73 70 69 74 70 68 67 71 69
PWIND DIR E E E NE NE NE NE N NE
WIND CHAR LT LT LT LT GN GN GN LT GN
AVG CLOUDS SC B1 B1 B1 B1 B1 B1 SC SC B1 B1 SC SC SC SC SC SC SC
POP 12HR 40 40 70 30 50 10 20 10 20
RAIN SHWRS C S C C L C S C C S S S
TSTMS C S S C C C S S
SCZ043-190800-
WALTERBORO-INLAND COLLETON SC
32.91N 80.67W ELEV. 98 FT
446 PM EDT FRI SEP 18 2026
DATE 09/18/26 SAT 09/19/26 SUN 09/20/26 MON
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 70 91 71 88 71
TEMP 87 81 75 72 71 71 82 89 86 77 74 72 71 72 82 86 83 76 73 72 71 72
DEWPT 68 69 69 69 68 71 72 72 72 73 73 72 71 72 73 73 72 73 73 72 71 72
RH 53 67 82 90 90100 72 57 63 87 97100100100 74 65 70 90100100100100
WIND DIR N S S N N N N NE NE N N N N N NE NE SE N N N N N
WIND SPD 0 3 3 0 0 0 1 1 3 0 0 0 0 0 2 3 4 0 0 0 0 0
CLOUDS SC SC FW FW B1 SC SC FW FW B2 B1 FW SC B1 SC B1 B1 B1 SC SC SC SC
POP 12HR 10 40 30 60 5
QPF 12HR 0 0.07 0.09 0.17 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C S S L L
TSTMS S C S S C C
HEAT INDEX 91 96 92 93
MAX HEAT 91 96 96 93 93
DATE 09/21 TUE 09/22/26 WED 09/23/26 THU 09/24/26 FRI 09/25/26
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 89 71 87 69 84 66 82 65 81
TEMP 87 79 72 72 85 77 71 70 81 76 69 67 80 75 68 66 79 74
DEWPT 72 73 72 72 73 72 71 70 72 69 67 66 69 66 65 64 66 65
PWIND DIR E E E NE NE NE NE NE NE
WIND CHAR LT LT LT LT GN GN GN LT GN
AVG CLOUDS SC B1 B1 SC B1 B1 B1 B1 B1 B1 B1 SC B1 SC SC SC SC SC
POP 12HR 40 30 70 20 40 10 20 10 20
RAIN SHWRS C S C C L S C C S S
TSTMS C S S C S C S S
GAZ099-190800-
METTER-CANDLER GA
32.40N 82.06W ELEV. 197 FT
446 PM EDT FRI SEP 18 2026
DATE 09/18/26 SAT 09/19/26 SUN 09/20/26 MON
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 72 93 72 91 72
TEMP 88 82 77 74 72 73 84 91 90 79 76 74 72 73 82 89 87 78 75 73 72 73
DEWPT 67 69 67 68 69 68 73 72 72 74 74 73 72 73 75 73 73 75 74 73 72 73
RH 50 65 71 82 90 84 70 54 56 85 94 97100100 79 59 63 91 97100100100
WIND DIR NE SE S SW N E N NE E E E E E NE NE NE E SE SE N N NE
WIND SPD 4 2 3 2 1 1 3 3 4 3 2 1 1 1 3 4 4 2 2 0 0 1
CLOUDS B1 SC FW FW SC SC SC B1 SC SC SC SC SC SC SC SC SC B1 SC SC SC SC
POP 12HR 5 40 30 50 5
QPF 12HR 0 0.03 0.01 0.07 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C S S C C
TSTMS S C S C C
HEAT INDEX 91 90 99 97 97 94
MAX HEAT 92 99 100 97 97
DATE 09/21 TUE 09/22/26 WED 09/23/26 THU 09/24/26 FRI 09/25/26
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 72 90 71 87 69 86 66 85
TEMP 89 79 73 73 88 79 73 72 85 77 71 69 83 77 70 67 82 75
DEWPT 74 75 73 73 74 75 73 71 73 73 69 67 71 69 67 64 67 67
PWIND DIR E E E NE NE NE NE NE NE
WIND CHAR LT LT LT LT GN LT GN LT GN
AVG CLOUDS SC B1 B1 SC B1 SC B1 SC B1 SC SC SC SC SC SC FW SC SC
POP 12HR 40 20 60 20 40 10 10 5 10
RAIN SHWRS C S S L S C
TSTMS C S 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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