824  
FOUS52 KCHS 212116  
PFMCHS  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHARLESTON SC  
516 PM EDT TUE JUL 21 2026  
 
SCZ150-220800-  
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC  
32.91N 80.03W ELEV. 45 FT  
516 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 85 83 81 81 81 89 92 91 85 83 82 81 81 89 93 92 85 82 80 80 80  
DEWPT 75 76 76 76 77 75 73 72 74 75 76 76 76 74 71 72 74 76 76 76 76  
RH 72 80 85 85 88 64 54 54 70 77 82 85 85 61 49 52 70 82 88 88 88  
WIND DIR S S S SW SW SW S S S S S S SW SW S S S S S S S  
WIND SPD 16 14 11 11 10 13 17 18 14 12 11 9 8 9 13 14 11 9 8 6 6  
WIND GUST 28  
CLOUDS 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 94 91 99101 99 93 90 98100100 93  
MAX HEAT 100 93 101 102 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 93 77 92 75 93 76 96 78 97  
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  
516 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 87 83 82 79 80 89 94 93 87 83 81 79 79 89 94 94 87 82 81 79 80  
DEWPT 75 75 75 74 74 74 73 74 74 74 74 73 74 74 72 73 74 75 75 74 75  
RH 68 77 79 85 82 61 51 54 65 74 79 82 85 61 49 51 65 79 82 85 85  
WIND DIR S S S S SW S S S S S S S SW SW S S S S S S S  
WIND SPD 12 11 6 5 5 10 12 13 12 11 6 4 3 4 8 11 10 8 5 3 3  
CLOUDS 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  
TSTMS  
HEAT INDEX 96 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 95 77 95 76 93 77 98 78 99  
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  
516 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 84 90 82 91 81  
TEMP 87 85 85 84 85 89 90 90 85 84 83 83 83 90 91 91 85 83 82 82 82  
DEWPT 78 78 78 77 78 79 79 77 78 77 78 77 78 77 77 77 77 78 77 77 78  
RH 75 80 80 80 80 73 70 66 80 80 85 82 85 66 64 64 77 85 85 85 88  
WIND DIR S S S SW SW SW S S S S S SW SW SW S S S S S S S  
WIND SPD 16 16 14 12 12 16 17 17 13 13 12 10 8 10 13 13 10 9 8 6 6  
CLOUDS 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 99 97 97 94 97105106103 97 94 93 92 93103105103 96 93 90 91  
MAX HEAT 105 100 97 106 105 95 93 105 105 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 91 79 91 78 92 78 94 80 95  
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  
516 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 86 84 84 82 83 90 93 92 86 84 83 81 82 90 94 94 86 83 82 81 81  
DEWPT 76 76 76 75 76 76 75 75 75 76 76 74 75 75 74 75 75 76 76 75 76  
RH 72 77 77 79 80 64 56 58 70 77 80 79 79 62 53 54 70 80 82 82 85  
WIND DIR S S S S SW SW S S S S S S SW SW S S S S S S SW  
WIND SPD 13 13 12 9 8 13 14 14 12 13 10 6 4 6 10 11 9 8 6 5 3  
WIND GUST 25 26 25 23 24  
CLOUDS 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 96 93 93 91102105103 95 93 91 101105106 95 91  
MAX HEAT 107 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 94 79 95 77 93 77 98 79 98  
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  
516 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 86 81 80 78 80 89 93 93 86 81 80 77 78 88 93 93 86 79 77 76 77  
DEWPT 74 74 74 73 74 72 69 69 72 73 73 73 73 72 69 69 72 74 74 74 74  
RH 68 79 82 85 82 57 46 46 63 77 79 87 85 59 46 46 63 85 90 94 90  
WIND DIR S S S S SW SW SW S S S S S SW SW SW S S S S S S  
WIND SPD 11 10 8 6 6 11 13 14 11 9 8 5 4 8 9 10 8 5 3 2 3  
CLOUDS 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 94 96 98 98 92 95 98 98 92  
MAX HEAT 100 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 93 74 92 73 91 74 98 76 99  
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  
516 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 86 81 77 75 77 86 93 93 87 81 78 76 77 86 92 93 86 80 77 76 77  
DEWPT 74 74 73 72 74 75 72 72 73 73 72 72 74 75 72 70 73 74 73 73 74  
RH 68 79 87 90 90 70 51 51 63 77 82 87 90 70 52 47 65 82 87 90 90  
WIND DIR S S S S S S S SW SW S S S S SW SW SW SW S S S S  
WIND SPD 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 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  
TSTMS S S S  
HEAT INDEX 94 95101101 94 95100 99 93  
MAX HEAT 105 90 101 102 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 94 74 92 74 92 75 96 75 98  
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.

The Nexlab SC Page
The Nexlab GA Page Main Text Page