295
FOUS52 KCHS 211841
PFMCHS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
241 PM EDT TUE JUL 21 2026
SCZ150-220800-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N 80.03W ELEV. 45 FT
241 PM EDT TUE JUL 21 2026
DATE 07/21/26 WED 07/22/26 THU 07/23/26 FRI
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 80 94 79 95 78
TEMP 91 85 83 82 82 82 89 92 91 85 83 82 81 81 89 93 92 85 82 80 80 80
DEWPT 73 75 76 76 76 77 75 73 72 74 75 76 76 76 74 71 72 74 76 76 76 76
RH 56 72 80 82 82 85 64 54 54 70 77 82 85 85 61 49 52 70 82 88 88 88
WIND DIR S S S S SW SW SW S S S S S S SW SW S S S S S S S
WIND SPD 19 16 14 11 11 10 13 17 18 14 12 11 9 8 9 13 14 11 9 8 6 6
WIND GUST 29 28
CLOUDS FW SC B1 B1 SC SC B2 B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC
POP 12HR 10 5 5 20 20
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S C
TSTMS S S
HEAT INDEX 100 94 91 90 99101 99 93 90 98100100 93
MAX HEAT 103 92 90 101 102 92 101 101 92
DATE 07/24 SAT 07/25/26 SUN 07/26/26 MON 07/27/26 TUE 07/28/26
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 92 77 90 75 91 76 95 78 95
TEMP 91 85 79 79 90 83 78 77 90 86 79 78 94 88 81 80 94 88
DEWPT 74 76 76 77 74 76 75 75 74 76 75 76 73 76 76 76 73 76
PWIND DIR S S SW SW W SW SW SW SW
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 B1 B2 B2 B1 SC SC SC FW FW SC SC SC SC SC
POP 12HR 60 30 60 40 60 20 20 20 20
RAIN SHWRS C L C S C L C C C L S S S S S
TSTMS S L C S C L C S C L S S S S S
GAZ218-220800-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N 81.20W ELEV. 50 FT
241 PM EDT TUE JUL 21 2026
DATE 07/21/26 WED 07/22/26 THU 07/23/26 FRI
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 78 95 77 96 78
TEMP 92 86 83 82 80 80 89 94 93 87 83 81 79 79 89 94 94 87 82 81 79 80
DEWPT 76 75 75 75 74 74 74 73 74 74 74 74 73 74 74 72 73 74 75 75 74 75
RH 60 70 77 79 82 82 61 51 54 65 74 79 82 85 61 49 51 65 79 82 85 85
WIND DIR S S S S S SW S S S S S S S SW SW S S S S S S S
WIND SPD 14 12 11 6 5 5 10 12 13 12 11 6 4 3 4 8 11 10 8 5 3 3
CLOUDS FW SC SC SC SC SC SC B1 SC SC B1 FW SC SC FW SC SC B1 B1 B1 B1 B1
POP 12HR 10 5 5 10 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
TSTMS S
HEAT INDEX 104 95 90 98103103 95 90 98102103 95
MAX HEAT 106 92 103 105 91 102 105 93
DATE 07/24 SAT 07/25/26 SUN 07/26/26 MON 07/27/26 TUE 07/28/26
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 94 77 92 76 92 77 95 78 95
TEMP 94 87 80 79 93 87 79 77 91 87 80 79 95 91 81 80 96 91
DEWPT 74 74 75 76 74 75 75 75 77 75 74 75 75 75 75 75 74 75
PWIND DIR S S SW SW W W W SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 B1 SC B1 B2 SC SC SC SC FW FW SC SC FW SC SC
POP 12HR 30 20 50 20 60 20 10 20 30
RAIN SHWRS C S S C S S C L S S C
TSTMS C S S C S S C L S S C
SCZ150-220800-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N 79.94W ELEV. 10 FT
241 PM EDT TUE JUL 21 2026
DATE 07/21/26 WED 07/22/26 THU 07/23/26 FRI
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 82 92 82 93 81
TEMP 90 85 84 84 83 84 89 91 90 85 84 83 83 83 90 92 91 85 83 82 82 82
DEWPT 77 78 78 78 77 78 79 79 77 78 77 78 77 78 77 77 77 77 78 77 77 78
RH 66 80 82 82 82 82 73 68 66 80 80 85 82 85 66 62 64 77 85 85 85 88
WIND DIR S S S S SW SW SW S S S S S SW SW SW S S S S S S S
WIND SPD 19 16 16 14 12 12 16 17 17 13 13 12 10 8 10 13 13 10 9 8 6 6
CLOUDS FW SC B1 SC SC SC B1 B2 SC SC SC SC SC B1 SC B1 SC B1 B1 B1 SC B1
POP 12HR 20 5 10 10 20
QPF 12HR 0.05 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C
TSTMS S S
HEAT INDEX 103 97 95 95 92 95105106103 97 94 93 92 93103106103 96 93 90 91
MAX HEAT 107 98 95 108 106 95 93 106 106 94 91
DATE 07/24 SAT 07/25/26 SUN 07/26/26 MON 07/27/26 TUE 07/28/26
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 90 79 89 78 89 78 92 80 92
TEMP 90 86 81 81 89 85 81 79 89 85 81 80 92 88 83 82 93 88
DEWPT 79 77 77 78 79 78 77 77 78 78 77 78 78 79 78 78 79 78
PWIND DIR S S SW SW W SW SW SW SW
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS B1 B1 B1 B1 B1 B2 B2 B1 SC SC SC FW FW SC SC SC SC SC
POP 12HR 50 20 60 50 60 30 20 20 20
RAIN SHWRS C C S S C L C C C L C S S S
TSTMS S C S S C L C C C L C S S S
SCZ148-220800-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N 80.72W ELEV. 37 FT
241 PM EDT TUE JUL 21 2026
DATE 07/21/26 WED 07/22/26 THU 07/23/26 FRI
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 81 94 80 96 79
TEMP 92 86 84 83 82 83 90 93 92 86 84 83 81 82 90 94 94 86 83 82 81 81
DEWPT 77 76 76 76 75 76 76 75 75 75 76 76 74 75 75 74 75 75 76 76 75 76
RH 62 72 77 80 79 80 64 56 58 70 77 80 79 79 62 53 54 70 80 82 82 85
WIND DIR S S S S S SW SW S S S S S S SW SW S S S S S S SW
WIND SPD 16 13 13 12 9 8 13 14 14 12 13 10 6 4 6 10 11 9 8 6 5 3
WIND GUST 27 25 26 25 23 24
CLOUDS FW SC B1 SC SC SC SC B1 SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC
POP 12HR 10 5 5 5 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 106 96 93 91 91102105103 95 93 91 101105106 95 91
MAX HEAT 106 94 91 105 106 94 105 107 94
DATE 07/24 SAT 07/25/26 SUN 07/26/26 MON 07/27/26 TUE 07/28/26
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 93 79 92 77 92 77 95 79 95
TEMP 93 87 81 80 92 86 80 78 91 87 80 79 96 90 82 81 96 89
DEWPT 77 76 76 77 76 76 75 75 77 76 75 76 76 76 76 76 75 76
PWIND DIR S S SW SW W W SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 B1 SC B1 B2 B1 SC SC SC FW FW FW SC FW FW SC
POP 12HR 40 20 50 30 60 20 20 20 30
RAIN SHWRS C S S C C S C L S S S C
TSTMS C S S C C S C L S S S C
SCZ043-220800-
WALTERBORO-INLAND COLLETON SC
32.91N 80.67W ELEV. 98 FT
241 PM EDT TUE JUL 21 2026
DATE 07/21/26 WED 07/22/26 THU 07/23/26 FRI
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 77 94 76 94 75
TEMP 92 86 81 80 78 79 89 93 93 86 81 80 77 78 88 93 93 86 79 77 76 77
DEWPT 71 74 74 74 73 74 72 69 69 72 73 73 73 73 72 69 69 72 74 74 74 74
RH 51 68 79 82 85 85 57 46 46 63 77 79 87 85 59 46 46 63 85 90 94 90
WIND DIR S S S S S SW SW SW S S S S S SW SW SW S S S S S S
WIND SPD 16 11 10 8 6 6 11 13 14 11 9 8 5 4 8 9 10 8 5 3 2 3
CLOUDS SC SC SC B1 SC SC SC SC FW SC B1 SC FW SC SC SC SC B1 B1 B1 SC B1
POP 12HR 10 5 20 20 30
QPF 12HR 0 0 0 0 0.02
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C C S S S
TSTMS S S S
HEAT INDEX 99 94 96 98 98 92 95 98 98 92
MAX HEAT 101 90 99 99 98 99
DATE 07/24 SAT 07/25/26 SUN 07/26/26 MON 07/27/26 TUE 07/28/26
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 90 74 89 73 90 74 94 76 94
TEMP 91 85 76 76 89 84 76 75 89 85 76 77 95 90 79 78 96 90
DEWPT 72 74 74 75 73 75 73 74 74 75 73 74 71 73 73 74 71 74
PWIND DIR SW S W SW W W W SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B2 B1 B1 B1 B2 B1 SC SC SC FW FW FW SC SC SC SC
POP 12HR 50 40 60 40 50 20 20 20 30
RAIN SHWRS S C C C L C C C C S S S S C
TSTMS S C C S L C C C S S S S C
GAZ099-220800-
METTER-CANDLER GA
32.40N 82.06W ELEV. 197 FT
241 PM EDT TUE JUL 21 2026
DATE 07/21/26 WED 07/22/26 THU 07/23/26 FRI
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 75 95 75 95 75
TEMP 93 85 80 78 76 77 86 93 93 87 81 78 76 77 86 92 93 86 80 77 76 77
DEWPT 74 74 74 73 72 74 75 72 72 73 73 72 72 74 75 72 70 73 74 73 73 74
RH 54 70 82 85 87 90 70 51 51 63 77 82 87 90 70 52 47 65 82 87 90 90
WIND DIR SW S S S S S S S SW SW S S S S SW SW SW SW S S S S
WIND SPD 10 5 4 4 4 5 10 11 10 4 4 3 3 3 6 8 6 3 3 3 3 2
CLOUDS SC SC SC SC FW SC SC FW SC SC B2 FW SC SC FW SC SC B1 B1 SC SC SC
POP 12HR 10 10 5 20 20
QPF 12HR 0 0 0 0 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S S
TSTMS S S S S
HEAT INDEX 103 93 95101101 94 95100 99 93
MAX HEAT 104 101 102 90 100 100 91
DATE 07/24 SAT 07/25/26 SUN 07/26/26 MON 07/27/26 TUE 07/28/26
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 92 74 89 74 89 75 94 75 94
TEMP 91 86 77 76 90 85 77 76 89 86 77 78 93 90 79 77 95 90
DEWPT 73 74 74 75 74 74 74 75 76 75 75 75 74 74 74 75 73 74
PWIND DIR SW S W W W W W SW W
WIND CHAR LT LT LT LT GN LT LT LT LT
AVG CLOUDS SC B1 B1 B1 SC B1 B1 B1 SC SC SC FW FW FW FW FW SC FW
POP 12HR 20 30 40 20 40 20 5 20 20
RAIN SHWRS S C S S C S S C C S S S S
TSTMS S C S C S S C S S 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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page