134
FOUS52 KCHS 231121
PFMCHS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
721 AM EDT SAT MAY 23 2026
SCZ150-232000-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N 80.03W ELEV. 45 FT
721 AM EDT SAT MAY 23 2026
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26
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 87 72 86 72 88
TEMP 74 82 86 85 79 77 75 74 74 80 83 85 81 77 75 73 75 82 85 86 81
DEWPT 72 71 70 70 71 71 72 71 72 73 73 71 72 71 72 72 73 73 73 71 72
RH 93 69 59 61 77 82 90 90 93 79 72 63 74 82 90 97 94 74 67 61 74
WIND DIR SE S SE SE SE S S S S S S S S S S S S S S S S
WIND SPD 5 8 11 12 9 6 5 4 4 8 11 12 10 6 6 5 6 10 11 13 10
CLOUDS B2 B2 B2 SC B2 B2 B1 B1 B2 B2 B1 B1 SC B1 B2 B1 B1 B1 B1 B1 SC
POP 12HR 20 70 70 30 50
QPF 12HR 0 0.11 0.16 0 0.04
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S C C C C L C C S S C C C C C C
TSTMS S C C S C S C C C S S S C C
HEAT INDEX 91 90 90 92 91
MAX HEAT 91 91 90 92 92
DATE TUE 05/26/26 WED 05/27/26 THU 05/28/26 FRI 05/29/26
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 89 73 89 71 89 70 87
TEMP 75 76 87 82 76 76 86 83 75 73 87 82 73 71 85 79
DEWPT 73 73 72 73 73 73 72 73 72 72 71 72 71 70 70 69
PWIND DIR S S S S SW W SW SE
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B2
POP 12HR 10 40 20 60 30 60 40 70
RAIN SHWRS C C S S C L C S C L C S C L
TSTMS S C S S C S S C S S C
GAZ218-232000-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N 81.20W ELEV. 50 FT
721 AM EDT SAT MAY 23 2026
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26
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 87 72 87 73 88
TEMP 74 84 87 85 80 77 75 74 74 82 85 86 82 77 75 74 75 82 85 86 82
DEWPT 71 71 71 72 73 73 71 70 71 73 74 74 74 73 72 71 72 73 74 73 74
RH 90 65 59 65 79 87 87 87 90 74 70 68 77 87 90 90 90 74 70 65 77
WIND DIR SE S SE SE SE S S S S S S SE SE S S S S S S SE SE
WIND SPD 3 6 9 10 6 3 2 2 2 5 8 9 8 4 3 3 3 8 10 11 8
CLOUDS OV B2 B1 B1 OV OV B2 B1 B2 B1 OV OV B1 B1 B1 B1 B2 B2 B1 B1 B1
POP 12HR 50 60 80 40 60
QPF 12HR 0.04 0.23 0.31 0.01 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C L L C C S C D L C C C C L L C C C
TSTMS S C C C S S C C C S S C C C
HEAT INDEX 93 91 93 94 93 93
MAX HEAT 93 93 93 94 93 94
DATE TUE 05/26/26 WED 05/27/26 THU 05/28/26 FRI 05/29/26
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 89 73 89 71 89 70 87
TEMP 75 75 86 83 75 74 86 83 74 73 87 83 73 71 84 81
DEWPT 72 72 74 75 72 72 73 75 72 70 73 74 70 69 72 72
PWIND DIR S S S S SW SW SW SW
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS B1 B1 B2 B1 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2
POP 12HR 30 60 30 70 30 60 40 70
RAIN SHWRS C S L C C S C L C S L C S C L
TSTMS C S C C S C C S C S S C
SCZ150-232000-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N 79.94W ELEV. 10 FT
721 AM EDT SAT MAY 23 2026
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26
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 85 74 86 75 87
TEMP 76 83 85 84 79 78 77 76 76 82 84 85 81 78 77 76 78 84 85 85 81
DEWPT 73 74 75 74 73 73 73 73 73 75 76 75 74 73 74 73 74 76 76 75 74
RH 90 74 72 72 82 85 87 90 90 79 77 72 79 85 90 90 88 77 75 72 79
WIND DIR SE SE SE SE SE S S S S S S S S S S S S S S S S
WIND SPD 4 6 10 10 6 5 4 3 4 8 11 11 8 5 5 5 5 8 11 11 6
CLOUDS B2 B2 B2 SC B1 B2 B2 B2 B2 B2 B1 B1 SC B1 B1 B1 B1 B1 B1 SC SC
POP 12HR 20 70 70 30 40
QPF 12HR 0 0.13 0.08 0 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C C L L L C S S S C C C C S S
TSTMS C C S C C C C S S S S S S
HEAT INDEX 90 93 90 92 93 92 94 94
MAX HEAT 94 93 93 94 94 94
DATE TUE 05/26/26 WED 05/27/26 THU 05/28/26 FRI 05/29/26
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 88 76 88 74 88 72 86
TEMP 77 78 86 82 77 78 86 82 76 75 87 82 75 74 85 79
DEWPT 74 73 76 75 74 74 76 75 74 73 75 74 72 71 73 71
PWIND DIR S S S S SW SW SW E
WIND CHAR LT GN LT GN LT LT LT GN
AVG CLOUDS SC SC B1 SC SC B1 B2 B1 B2 B2 B2 B2 B1 B2 B1 B2
POP 12HR 10 40 20 40 30 60 40 70
RAIN SHWRS C S S S C C C C C L C S C L
TSTMS S S S S C S S S C C S C
SCZ148-232000-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N 80.72W ELEV. 37 FT
721 AM EDT SAT MAY 23 2026
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26
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 87 73 88 73 88
TEMP 75 81 85 83 79 78 76 75 75 82 85 86 82 78 76 74 75 83 86 86 82
DEWPT 71 72 73 73 73 73 72 71 72 74 75 74 74 73 72 72 72 74 75 74 74
RH 87 74 67 72 82 85 87 87 90 77 72 68 77 85 87 93 90 74 70 68 77
WIND DIR SE S SE SE SE SE S S S S S S S S S S S S S S S
WIND SPD 3 8 9 9 6 3 3 3 2 5 9 10 8 4 4 3 4 9 11 11 8
CLOUDS B2 B2 B1 B1 OV OV B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 40 60 60 40 50
QPF 12HR 0 0.15 0.12 0.01 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C C C L C L L C C C C C C C C C
TSTMS C C C S S S C C C C S S C C
HEAT INDEX 92 94 94 90 95 94
MAX HEAT 92 92 94 95 95 96
DATE TUE 05/26/26 WED 05/27/26 THU 05/28/26 FRI 05/29/26
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 74 89 74 89 72 90 70 88
TEMP 76 76 87 83 77 76 87 83 76 74 88 84 74 72 85 80
DEWPT 72 72 75 74 73 72 75 75 72 71 74 74 71 69 73 72
PWIND DIR S S S S SW SW SW SW
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2
POP 12HR 10 50 20 60 20 50 30 70
RAIN SHWRS C C S S C L S S S C C S C L
TSTMS S C S S C S S C C S C
SCZ043-232000-
WALTERBORO-INLAND COLLETON SC
32.91N 80.67W ELEV. 98 FT
721 AM EDT SAT MAY 23 2026
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26
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 86 68 86 68 87
TEMP 71 82 86 85 79 74 72 70 70 80 83 84 80 74 71 69 71 81 85 85 80
DEWPT 69 71 67 69 71 69 68 67 70 73 71 72 73 69 68 67 70 74 71 71 72
RH 93 69 53 59 77 84 87 90100 79 67 67 79 84 90 93 97 79 63 63 77
WIND DIR SE S S SE SE N N N N S S S S S N N S S S S S
WIND SPD 1 6 8 9 5 0 0 0 0 5 8 8 5 3 0 0 3 8 9 8 6
CLOUDS OV B2 B2 B1 OV OV B2 B2 B2 B2 OV OV B1 B1 B1 B1 B2 B2 B2 B2 SC
POP 12HR 50 60 90 50 70
QPF 12HR 0.03 0.08 0.34 0.02 0.11
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S C C C C L S L D L C C C C L L L L S
TSTMS S C C C S S S C C C S S C C S
HEAT INDEX 90 90 90
MAX HEAT 90 90 90
DATE TUE 05/26/26 WED 05/27/26 THU 05/28/26 FRI 05/29/26
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 69 88 69 88 67 88 66 86
TEMP 72 72 86 82 72 72 86 82 72 70 86 82 71 68 84 79
DEWPT 68 70 70 72 69 71 70 73 68 69 69 72 67 68 68 69
PWIND DIR S S S S SW W SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B2 B2 SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2
POP 12HR 20 70 30 70 30 60 40 70
RAIN SHWRS S S L L C S C L C S S L C S C L
TSTMS S S C C C S S C S C
GAZ099-232000-
METTER-CANDLER GA
32.40N 82.06W ELEV. 197 FT
721 AM EDT SAT MAY 23 2026
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26
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 86 67 87 68 87
TEMP 71 81 86 80 74 73 71 69 70 79 85 85 80 74 71 69 71 80 84 83 79
DEWPT 71 72 69 72 73 70 69 69 70 73 71 72 73 71 70 69 71 74 72 73 74
RH 100 74 57 77 97 90 93100100 82 63 65 79 90 97100100 82 67 72 85
WIND DIR SE S S SE E SE SE SE SE S S S SE SE SE SE S S S S SE
WIND SPD 4 5 5 5 3 2 1 1 2 3 5 5 3 2 2 2 3 5 6 6 3
CLOUDS B2 SC B1 B2 OV OV B1 B1 B2 B2 B2 B2 B2 B2 B1 B2 B2 B1 OV OV B2
POP 12HR 90 90 70 60 90
QPF 12HR 0.60 0.60 0.31 0.10 0.38
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C D D C S S L L L L S S C C D D L
TSTMS S C C C S C L C S S C C C
HEAT INDEX 90 90 91 90
MAX HEAT 91 90 91 90 90
DATE TUE 05/26/26 WED 05/27/26 THU 05/28/26 FRI 05/29/26
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 69 88 68 87 67 87 67 85
TEMP 71 71 86 81 72 71 85 81 72 70 85 81 71 69 83 79
DEWPT 70 71 71 74 70 71 71 73 70 70 71 74 69 69 70 72
PWIND DIR SE S S S S W SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2
POP 12HR 70 70 60 70 30 50 40 80
RAIN SHWRS L C C L L S C L C S C C S C D
TSTMS C S C C S 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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page