109
FOUS52 KCHS 211816
PFMCHS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
216 PM EDT MON SEP 21 2026
SCZ150-220800-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N 80.03W ELEV. 45 FT
216 PM EDT MON SEP 21 2026
DATE 09/21/26 TUE 09/22/26 WED 09/23/26 THU
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 88 70 86 66
TEMP 85 79 77 75 74 72 82 86 82 77 75 74 72 71 79 84 81 76 73 71 68 68
DEWPT 72 73 74 73 73 72 74 73 74 74 74 73 72 71 73 72 72 71 70 67 66 66
RH 65 82 90 94 97100 77 65 77 90 97 97100100 82 67 74 85 90 87 93 93
WIND DIR E SE N N N N NE NE E E NE NE N N NE NE NE NE NE N N N
WIND SPD 9 5 0 0 3 5 6 6 8 5 5 5 8 10 11 11 12 11 12 10 11 12
CLOUDS B1 SC B1 SC SC B1 SC B1 B1 SC FW SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 40 60 50 50 10
QPF 12HR 0.07 0.21 0.08 0.12 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C C L C C C S S C C
TSTMS S C C S S C C S C C
HEAT INDEX 91 93 90
MAX HEAT 95 93 94 90 90
DATE 09/24 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26 MON 09/28/26
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 80 62 79 59 81 60 82 61 83
TEMP 78 73 66 63 77 72 63 60 78 72 64 62 81 73 65 63 82 74
DEWPT 68 64 60 58 58 58 56 55 53 56 55 55 54 57 58 58 57 60
PWIND DIR N N N N N N N NE E
WIND CHAR GN GN GN LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC SC FW FW FW FW CL FW FW FW FW SC SC SC FW SC
POP 12HR 20 0 0 0 0 0 5 0 0
RAIN SHWRS S
TSTMS S
GAZ218-220800-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N 81.20W ELEV. 50 FT
216 PM EDT MON SEP 21 2026
DATE 09/21/26 TUE 09/22/26 WED 09/23/26 THU
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 89 73 87 68
TEMP 87 79 76 75 73 73 83 87 84 78 76 74 73 73 80 85 83 77 74 72 70 68
DEWPT 72 73 74 73 73 73 75 75 75 75 74 74 73 73 75 74 74 73 72 70 68 66
RH 61 82 94 94100100 77 68 74 91 94100100100 85 70 74 87 93 93 93 93
WIND DIR E SE E N N N NE NE E E E N N N NE NE NE NE NE N N N
WIND SPD 8 4 1 0 1 3 5 5 6 3 1 2 4 6 9 8 9 6 8 8 10 11
CLOUDS SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC B1 SC SC B1 SC SC SC B1
POP 12HR 20 50 20 60 10
QPF 12HR 0.04 0.07 0.02 0.29 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C C S S S S L L
TSTMS S S S C C S S C C
OBVIS PF
HEAT INDEX 94 90 96 92 93 90
MAX HEAT 96 96 96 93 93
DATE 09/24 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26 MON 09/28/26
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 82 63 81 61 83 61 83 63 84
TEMP 80 76 67 63 79 74 64 62 81 74 64 62 82 74 65 64 83 75
DEWPT 69 66 62 59 61 60 58 57 57 58 58 56 57 59 59 58 59 62
PWIND DIR N N N NE N NE N NE E
WIND CHAR GN GN GN LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC FW FW FW FW CL CL FW SC FW FW SC SC FW SC SC
POP 12HR 10 0 0 0 0 0 5 0 5
SCZ150-220800-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N 79.94W ELEV. 10 FT
216 PM EDT MON SEP 21 2026
DATE 09/21/26 TUE 09/22/26 WED 09/23/26 THU
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 86 73 85 69
TEMP 85 81 79 77 75 75 82 84 82 79 77 75 73 73 80 84 81 77 74 71 70 69
DEWPT 76 76 76 75 75 75 77 77 77 77 76 75 73 73 76 77 75 75 72 70 68 68
RH 75 85 91 94100100 85 80 85 94 97100100100 88 80 82 94 93 97 93 97
WIND DIR E E E E NE N NE E E E NE NE N NE NE NE NE NE NE N N N
WIND SPD 8 3 2 2 2 3 6 8 8 5 4 4 6 9 11 11 11 10 11 10 12 12
CLOUDS SC SC B1 B1 B1 B1 B1 SC SC SC SC SC B1 B1 B1 SC B1 SC B1 SC B1 B1
POP 12HR 50 60 60 50 10
QPF 12HR 0.11 0.20 0.05 0.13 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C L C S S L C C C C C
TSTMS C C S S C C S S S S C C
HEAT INDEX 94 90 94 90 94
MAX HEAT 98 94 96 94 93
DATE 09/24 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26 MON 09/28/26
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 81 64 79 62 80 63 82 66 83
TEMP 79 74 67 64 78 73 66 63 79 74 67 64 81 75 69 67 82 76
DEWPT 71 67 63 60 62 61 59 57 57 59 58 57 58 61 61 60 61 63
PWIND DIR N N N N N N NE NE E
WIND CHAR GN GN GN LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC SC FW FW FW FW CL FW FW FW FW SC SC SC FW SC
POP 12HR 20 0 0 0 0 0 5 0 0
RAIN SHWRS S
TSTMS S
SCZ148-220800-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N 80.72W ELEV. 37 FT
216 PM EDT MON SEP 21 2026
DATE 09/21/26 TUE 09/22/26 WED 09/23/26 THU
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 87 73 85 69
TEMP 86 79 77 75 74 74 82 86 84 78 75 74 73 73 80 84 83 77 73 71 70 69
DEWPT 75 74 74 74 73 74 76 76 76 76 75 74 73 73 75 76 75 74 71 69 67 66
RH 70 85 90 97 97100 82 72 77 94100100100100 85 77 77 90 93 93 90 90
WIND DIR E SE E N NE N NE E E E NE NE N N NE NE NE NE NE N N N
WIND SPD 6 3 1 0 1 3 5 4 5 3 2 2 5 8 10 9 8 6 9 9 11 13
WIND GUST 18 17 19 19
CLOUDS SC SC B1 SC B1 SC SC SC SC SC SC SC SC B1 B1 SC B1 B1 SC SC SC SC
POP 12HR 40 50 30 50 10
QPF 12HR 0.04 0.10 0.03 0.20 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S C C C C S S C C
TSTMS S S S C C C C C
OBVIS PF
HEAT INDEX 95 96 93 93 90
MAX HEAT 95 96 96 93 93
DATE 09/24 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26 MON 09/28/26
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 81 63 80 61 82 62 82 63 83
TEMP 79 75 67 63 78 73 64 62 80 74 66 62 80 74 67 64 81 75
DEWPT 70 66 62 59 62 61 58 57 58 59 58 57 58 60 60 59 61 63
PWIND DIR N N N N N N N NE E
WIND CHAR GN GN GN LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC FW FW FW FW FW CL FW FW SC FW SC SC FW FW SC
POP 12HR 10 0 0 0 0 0 0 0 5
SCZ043-220800-
WALTERBORO-INLAND COLLETON SC
32.91N 80.67W ELEV. 98 FT
216 PM EDT MON SEP 21 2026
DATE 09/21/26 TUE 09/22/26 WED 09/23/26 THU
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 88 69 85 65
TEMP 85 78 74 72 71 71 82 86 83 75 72 71 70 71 78 83 81 74 71 68 66 66
DEWPT 71 72 72 71 71 71 72 72 71 73 72 71 70 71 71 71 70 70 68 65 64 64
RH 63 82 93 97100100 72 63 67 94100100100100 79 67 69 87 90 90 93 93
WIND DIR SE SE N N N N NE E E E N NE NE NE NE NE NE NE NE N N N
WIND SPD 6 3 0 0 0 2 5 6 5 2 0 1 5 8 10 10 10 9 9 8 10 11
WIND GUST 19
CLOUDS SC SC SC FW SC SC SC B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 10 50 20 40 10
QPF 12HR 0 0.07 0.02 0.13 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C C S S C C
TSTMS S S C C S C C
OBVIS F
HEAT INDEX 90 92
MAX HEAT 94 92 93
DATE 09/24 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26 MON 09/28/26
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 78 59 78 57 80 56 81 57 82
TEMP 76 70 62 60 76 70 60 58 78 70 60 57 80 71 61 58 81 72
DEWPT 66 63 58 56 58 56 54 52 53 53 52 52 53 54 54 55 56 58
PWIND DIR N N N N N N N N NE
WIND CHAR GN GN GN LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC FW FW FW FW CL CL FW FW FW FW SC SC FW FW SC
POP 12HR 10 0 0 0 0 0 5 0 5
GAZ099-220800-
METTER-CANDLER GA
32.40N 82.06W ELEV. 197 FT
216 PM EDT MON SEP 21 2026
DATE 09/21/26 TUE 09/22/26 WED 09/23/26 THU
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 90 71 88 67
TEMP 88 78 75 72 71 72 82 88 87 77 74 73 72 71 79 86 85 76 73 71 68 67
DEWPT 72 73 73 72 71 72 74 73 72 74 74 73 72 71 74 73 72 73 72 69 66 65
RH 59 85 94100100100 77 61 61 90100100100100 85 65 65 90 97 93 93 93
WIND DIR E SE SE N N NE NE E E E SE NE NE NE NE NE NE NE NE NE NE NE
WIND SPD 5 4 2 0 1 2 4 5 4 3 2 1 3 4 8 9 9 6 6 6 9 10
WIND GUST 17
CLOUDS FW SC FW FW FW B1 B1 SC SC B1 SC FW SC SC B1 SC SC SC SC SC B1 B2
POP 12HR 5 20 20 40 10
QPF 12HR 0 0.02 0.03 0.12 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C C
TSTMS S S C C
OBVIS PF F
HEAT INDEX 95 96 94 93 91
MAX HEAT 96 96 96 93 93
DATE 09/24 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26 MON 09/28/26
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 82 62 82 60 83 59 85 60 85
TEMP 80 74 66 62 79 72 63 61 81 73 63 60 82 74 63 61 84 73
DEWPT 67 66 62 59 60 60 57 55 56 57 56 54 55 56 56 56 57 58
PWIND DIR NE NE N NE N E N E E
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC FW FW FW FW FW FW FW SC FW SC SC SC FW SC FW
POP 12HR 5 0 0 0 0 0 0 0 5
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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page