237
FOUS52 KCHS 211816
PFMCHS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
216 PM EDT THU MAY 21 2026
SCZ150-220800-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N 80.03W ELEV. 45 FT
216 PM EDT THU MAY 21 2026
DATE 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN
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 71 88 73 88 73
TEMP 89 81 75 74 72 74 83 86 86 80 77 75 74 75 82 86 86 80 77 75 74 75
DEWPT 66 68 69 70 70 71 70 69 68 70 70 71 71 72 71 70 70 71 71 72 72 73
RH 47 65 82 87 93 90 65 57 55 72 79 87 90 90 69 59 59 74 82 90 93 94
WIND DIR S S S S N N S S S S S S S S S S S S S S S S
WIND SPD 12 10 6 4 0 0 8 11 13 10 6 5 5 6 10 11 12 9 5 4 3 4
CLOUDS FW SC B1 B1 B1 SC B1 SC FW SC SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2
POP 12HR 5 20 10 40 40
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C C C C L
TSTMS S S C C S
HEAT INDEX 92 90 91 91
MAX HEAT 92 91 91 91 91
DATE 05/24 MON 05/25/26 TUE 05/26/26 WED 05/27/26 THU 05/28/26
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 88 73 88 73 89 72 88 69 87
TEMP 85 82 75 75 86 82 76 76 86 82 75 74 85 80 73 71 85 79
DEWPT 72 72 73 73 71 71 72 72 71 71 72 72 71 71 71 70 69 69
PWIND DIR S S S S S S S SW SW
WIND CHAR GN LT GN LT GN LT LT LT LT
AVG CLOUDS B2 B1 B1 SC B1 SC SC B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B2
POP 12HR 70 20 40 10 40 20 50 40 70
RAIN SHWRS L C S C C C C S S C C C C C L
TSTMS C C S C S C S S C S S C
GAZ218-220800-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N 81.20W ELEV. 50 FT
216 PM EDT THU MAY 21 2026
DATE 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN
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 73 88 73
TEMP 89 83 76 74 73 74 84 86 86 81 77 76 75 75 83 86 85 81 77 75 74 75
DEWPT 68 69 70 70 69 71 71 71 71 72 72 71 70 71 72 72 73 73 73 72 71 72
RH 50 63 82 87 87 90 65 61 61 74 85 85 84 87 70 63 67 77 87 90 90 90
WIND DIR SE SE S S S S S SE SE SE SE S S S S SE SE SE SE S S S
WIND SPD 11 9 4 3 2 2 5 10 11 9 5 4 4 4 8 9 10 8 3 2 2 2
CLOUDS SC B1 SC SC SC B1 B1 B1 SC B1 B1 SC B2 B2 B1 B2 B2 B2 B2 B1 B1 B2
POP 12HR 5 30 20 60 40
QPF 12HR 0 0 0 0.10 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S S S C C L L C C C C L
TSTMS C S S S C C S
HEAT INDEX 93 91 91 92 92
MAX HEAT 93 91 95 92 93
DATE 05/24 MON 05/25/26 TUE 05/26/26 WED 05/27/26 THU 05/28/26
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 88 73 88 73 88 72 88 70 88
TEMP 86 83 75 75 86 83 76 75 86 82 75 73 86 82 73 71 86 81
DEWPT 74 74 72 71 73 74 72 71 73 73 71 70 72 73 70 69 71 72
PWIND DIR SE SE S S S S S S SW
WIND CHAR LT LT GN LT GN LT LT LT LT
AVG CLOUDS B2 B1 B1 SC B1 B1 B1 SC B1 B1 B1 SC B1 B2 B1 B1 B1 B2
POP 12HR 70 20 40 20 40 30 60 30 70
RAIN SHWRS L C S S C C S C C C S C L C C C L
TSTMS C C S C S C S C S S C
SCZ150-220800-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N 79.94W ELEV. 10 FT
216 PM EDT THU MAY 21 2026
DATE 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN
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 75 88 75
TEMP 87 81 76 75 74 76 84 86 85 81 78 77 76 77 84 86 86 81 78 77 76 77
DEWPT 71 71 71 72 72 72 73 74 73 72 72 73 72 73 74 75 73 73 73 74 73 73
RH 59 72 85 90 93 87 70 68 67 74 82 87 87 87 72 70 65 77 85 90 90 87
WIND DIR S S S S S S S SE SE SE S S S S S S S S S S S S
WIND SPD 11 6 4 3 2 2 6 11 11 8 5 4 4 5 8 10 10 6 4 3 3 3
CLOUDS FW SC B1 B1 B1 SC B1 SC FW SC SC B1 B1 B1 B1 B1 SC B1 B1 B2 B2 B1
POP 12HR 5 20 10 20 40
QPF 12HR 0 0 0 0 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S S C C C
TSTMS S S S S
HEAT INDEX 92 90 94 91 91 95 93
MAX HEAT 93 94 93 95 95
DATE 05/24 MON 05/25/26 TUE 05/26/26 WED 05/27/26 THU 05/28/26
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 87 75 86 75 87 74 86 72 85
TEMP 85 82 76 77 85 81 76 78 86 82 76 76 85 80 74 73 84 78
DEWPT 75 74 74 73 75 74 73 73 75 73 73 72 74 73 72 71 73 71
PWIND DIR S S S S S S S SW SW
WIND CHAR GN LT GN LT GN LT GN LT LT
AVG CLOUDS B1 SC SC SC B1 SC SC B1 B1 SC SC B1 B1 B1 B1 B1 B1 B2
POP 12HR 50 20 30 10 30 20 50 40 60
RAIN SHWRS C S S C S C S S S C C C C C L
TSTMS C S S S S S S S C S S C
SCZ148-220800-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N 80.72W ELEV. 37 FT
216 PM EDT THU MAY 21 2026
DATE 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN
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 88 74 88 74
TEMP 88 82 76 74 73 75 84 87 86 81 77 76 75 76 83 86 86 81 77 76 75 75
DEWPT 69 70 71 70 70 71 71 72 72 72 72 71 71 71 72 73 73 73 73 72 72 72
RH 54 67 85 87 90 87 65 61 63 74 85 85 87 85 70 65 65 77 87 87 90 90
WIND DIR S S S S S S S S S SE SE S S S S S S SE SE S S S
WIND SPD 10 6 4 3 2 2 6 10 11 8 4 4 4 5 9 10 10 5 3 3 2 3
CLOUDS SC B1 B1 B1 B1 B1 B1 SC SC B1 B1 B2 B1 B2 B1 B1 B1 B1 B2 B1 B1 B2
POP 12HR 5 20 20 40 30
QPF 12HR 0 0 0 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C C C C S S C C L
TSTMS S C C S
HEAT INDEX 92 94 92 93 93
MAX HEAT 94 94 95 93 94
DATE 05/24 MON 05/25/26 TUE 05/26/26 WED 05/27/26 THU 05/28/26
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 88 73 87 74 88 72 88 70 88
TEMP 86 83 76 75 86 83 77 76 87 83 76 74 86 81 74 72 86 80
DEWPT 75 74 72 72 74 74 72 71 74 73 72 71 73 73 71 69 72 72
PWIND DIR S S S S S S S SW SW
WIND CHAR LT LT GN LT GN LT LT LT LT
AVG CLOUDS B2 B1 SC SC B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2
POP 12HR 60 10 40 10 40 30 50 40 60
RAIN SHWRS L C C S C C S C C C C C C L
TSTMS C C S S C S C S S C
SCZ043-220800-
WALTERBORO-INLAND COLLETON SC
32.91N 80.67W ELEV. 98 FT
216 PM EDT THU MAY 21 2026
DATE 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN
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 67 88 68 87 68
TEMP 90 82 73 70 69 71 84 86 86 80 74 72 70 71 81 85 85 79 74 72 70 71
DEWPT 64 67 67 66 66 69 70 66 67 70 68 67 66 69 72 69 69 72 69 68 67 70
RH 42 61 81 87 90 93 63 51 53 72 82 84 87 93 74 59 59 79 84 87 90 97
WIND DIR S S S N N N S SE S SE SE S S S S S S S N N N N
WIND SPD 10 8 4 0 0 0 5 9 10 8 4 1 3 4 8 9 9 5 0 0 0 0
CLOUDS SC B1 B1 B1 B1 B1 SC B1 SC B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B2 B2
POP 12HR 5 30 20 70 50
QPF 12HR 0 0 0 0.14 0.02
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S S C C L L S S C C D
TSTMS C S S C C S
HEAT INDEX 91
MAX HEAT 92 90 90 90
DATE 05/24 MON 05/25/26 TUE 05/26/26 WED 05/27/26 THU 05/28/26
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 87 69 88 69 88 67 87 65 87
TEMP 85 81 72 72 85 82 72 72 86 82 72 70 85 81 70 68 85 80
DEWPT 71 73 68 70 70 72 68 70 69 72 68 69 69 72 66 68 68 70
PWIND DIR S S S S S S S S SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 B2 B2
POP 12HR 80 20 50 10 50 30 60 40 60
RAIN SHWRS D L S S C C C C C S C L C C C L
TSTMS C C S C C S C S S C
GAZ099-220800-
METTER-CANDLER GA
32.40N 82.06W ELEV. 197 FT
216 PM EDT THU MAY 21 2026
DATE 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN
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 69 90 69 88 68
TEMP 92 86 76 72 71 71 83 88 85 79 74 72 71 71 81 86 83 77 73 72 70 71
DEWPT 61 65 67 67 68 69 70 67 70 71 70 69 69 70 72 70 72 73 71 70 70 71
RH 36 50 74 84 90 93 65 50 61 77 87 90 93 97 74 59 70 87 93 93100100
WIND DIR SE SE S SE SE S S S SE SE SE SE SE S S SW SE SE SE SE SE S
WIND SPD 5 6 5 3 2 3 4 6 8 5 4 3 4 4 5 6 6 3 2 2 2 2
CLOUDS B1 B1 SC SC SC B1 SC B1 B2 B2 B1 B2 B2 B2 B1 OV OV B2 B2 B1 B1 B1
POP 12HR 10 60 60 90 50
QPF 12HR 0 0.13 0.23 0.31 0.08
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L L C C C C D D C C S
TSTMS C L C C L L C
HEAT INDEX 92 91 90 91
MAX HEAT 92 91 92 91 90
DATE 05/24 MON 05/25/26 TUE 05/26/26 WED 05/27/26 THU 05/28/26
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 88 69 88 69 88 68 87 67 86
TEMP 86 81 72 71 86 81 72 71 86 81 72 70 85 80 71 69 84 79
DEWPT 71 73 70 71 70 73 70 71 70 73 70 70 70 72 69 69 69 71
PWIND DIR S SE S SE S SE S S NW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC B2 B1 B1 B1 B2 B2 B1 B1 B2 B1 B2 B2 B2 B1 B1 B1 B2
POP 12HR 80 50 70 40 70 40 60 30 60
RAIN SHWRS S D C S C L C C L C S S L C S L
TSTMS S L C C S 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
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