428
FOUS52 KCHS 200621
PFMCHS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
221 AM EDT MON JUL 20 2026
SCZ150-202000-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N 80.03W ELEV. 45 FT
221 AM EDT MON JUL 20 2026
DATE MON 07/20/26 TUE 07/21/26 WED 07/22/26
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 94 79 94 80 95
TEMP 80 81 89 92 91 85 82 81 81 81 89 92 91 85 83 82 82 82 89 93 92 85
DEWPT 76 77 75 74 74 75 76 76 77 77 76 73 72 75 76 76 76 76 74 72 73 75
RH 88 88 64 56 58 72 82 85 88 88 66 54 54 72 80 82 82 82 61 51 54 72
WIND DIR SW SW SW S S S S S S SW S S S S S S SW SW SW S S S
WIND SPD 6 6 9 12 14 12 10 9 8 9 12 17 19 14 13 11 10 11 13 17 18 13
WIND GUST 28 28
CLOUDS FW SC B1 B1 SC SC SC FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC
POP 12HR 10 5 10 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C
TSTMS C
HEAT INDEX 99102101 94 100101 99 94 91 98101101 94
MAX HEAT 102 103 92 101 102 92 101 101
DATE THU 07/23/26 FRI 07/24/26 SAT 07/25/26 SUN 07/26/26
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 79 94 76 92 76 90 75 89
TEMP 81 81 92 86 79 78 89 84 78 77 88 82 77 76 88 83
DEWPT 76 76 74 76 76 76 75 76 76 76 75 76 75 75 73 74
PWIND DIR SW SW S E S E N E
WIND CHAR GN GN LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 B1
POP 12HR 30 50 50 60 60 80 50 50
RAIN SHWRS C C C C C C C L L C C D C C C C
TSTMS C C C C C S C L C C C L C C S C
GAZ218-202000-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N 81.20W ELEV. 50 FT
221 AM EDT MON JUL 20 2026
DATE MON 07/20/26 TUE 07/21/26 WED 07/22/26
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 95 79 95 79 95
TEMP 79 80 90 93 93 86 82 81 80 81 90 93 92 86 83 81 79 80 89 94 93 87
DEWPT 75 76 76 74 72 74 75 76 76 76 75 74 75 75 75 75 74 75 75 74 74 75
RH 88 88 64 54 51 68 79 85 88 85 62 54 58 70 77 82 85 85 64 53 54 68
WIND DIR S S S S S S S S S S S S S S S S S SW SW S S S
WIND SPD 2 2 6 10 12 10 8 5 4 5 11 13 14 12 11 8 5 6 10 11 12 11
CLOUDS CL FW SC SC FW SC SC FW SC FW FW FW SC B1 SC FW FW SC SC B1 SC B1
POP 12HR 10 10 20 5 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
TSTMS S S
HEAT INDEX 102103101 94 101103103 95 90 99105103 96
MAX HEAT 103 102 90 103 105 92 105 105
DATE THU 07/23/26 FRI 07/24/26 SAT 07/25/26 SUN 07/26/26
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 78 95 77 94 76 91 75 90
TEMP 81 80 93 88 79 79 91 86 79 77 89 84 78 76 89 84
DEWPT 75 75 75 75 75 75 76 76 76 76 77 76 75 75 76 75
PWIND DIR S SW S S S SW SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC B1 B1 B1 B1 B1 B1 SC SC B1 B2 B1 B1 B1
POP 12HR 10 40 40 60 50 70 50 60
RAIN SHWRS C C C S C L C S C L C C C L
TSTMS S C C S L C C L C S L
SCZ150-202000-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N 79.94W ELEV. 10 FT
221 AM EDT MON JUL 20 2026
DATE MON 07/20/26 TUE 07/21/26 WED 07/22/26
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 93 81 93 82 93
TEMP 82 83 90 91 90 85 84 83 83 83 90 91 90 85 84 84 83 84 90 91 90 86
DEWPT 77 78 79 78 77 78 78 78 78 79 80 78 76 78 78 78 77 78 78 79 78 78
RH 85 85 70 66 66 80 82 85 85 88 73 66 64 80 82 82 82 82 68 68 68 77
WIND DIR SW SW S S S S S S S SW S S S S S S SW SW SW S S S
WIND SPD 6 6 10 12 13 11 11 10 9 10 13 17 18 14 16 13 12 12 14 18 18 13
WIND GUST 24 23
CLOUDS FW SC SC B1 SC SC SC FW FW FW FW FW FW SC SC SC SC SC SC B1 SC SC
POP 12HR 5 10 10 10 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C
TSTMS C
HEAT INDEX 90 93106106103 97 95 93 93 94106106102 97 95 95 92 95104107104 98
MAX HEAT 93 106 106 95 94 108 105 97 95 108 108
DATE THU 07/23/26 FRI 07/24/26 SAT 07/25/26 SUN 07/26/26
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 81 92 79 90 78 89 77 88
TEMP 83 83 90 86 81 81 88 84 80 80 88 83 79 78 88 83
DEWPT 78 78 79 78 77 78 79 78 77 78 79 78 77 77 77 76
PWIND DIR SW SW S SE S E N E
WIND CHAR GN GN LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B2 B1 B2 B1 B1 B1 B1 B2 B2 B1 B1 B1
POP 12HR 30 50 50 60 60 70 60 50
RAIN SHWRS C C C C C C C L L C C L L C C C
TSTMS C C C C C C C L C C C L C C C C
SCZ148-202000-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N 80.72W ELEV. 37 FT
221 AM EDT MON JUL 20 2026
DATE MON 07/20/26 TUE 07/21/26 WED 07/22/26
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 94 81 94 81 95
TEMP 80 82 90 93 92 86 82 82 82 83 90 93 92 86 84 83 82 82 90 94 93 86
DEWPT 75 77 77 76 74 75 76 76 76 77 77 75 76 76 76 76 75 75 76 76 76 76
RH 85 85 66 58 56 70 82 82 82 82 66 56 60 72 77 80 79 79 64 56 58 72
WIND DIR SW SW S S S S S S S S S S S S S S SW SW SW S S S
WIND SPD 3 3 6 10 11 10 9 8 6 6 13 16 16 12 13 11 10 10 12 13 13 11
WIND GUST 27 26 24 24 25 21
CLOUDS FW FW FW SC SC FW SC FW SC SC FW FW FW SC SC FW SC SC SC SC SC SC
POP 12HR 5 5 10 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 90103106102 95 92103105105 96 93 91 102107106 96
MAX HEAT 90 106 105 92 92 105 106 94 91 107 107
DATE THU 07/23/26 FRI 07/24/26 SAT 07/25/26 SUN 07/26/26
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 80 94 78 93 77 91 76 90
TEMP 82 81 92 87 81 80 91 86 80 78 90 84 79 77 89 84
DEWPT 76 76 76 77 76 76 78 77 76 77 78 77 76 76 77 76
PWIND DIR S SW S E S S W NW
WIND CHAR GN GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC B1 B1 B1 B1 B1 B2 B1 SC B1 B2 B1 B1 B1
POP 12HR 20 40 50 60 50 70 50 60
RAIN SHWRS S C C C C C L C C C L C C C L
TSTMS S S C C S S L C S C L C S S L
SCZ043-202000-
WALTERBORO-INLAND COLLETON SC
32.91N 80.67W ELEV. 98 FT
221 AM EDT MON JUL 20 2026
DATE MON 07/20/26 TUE 07/21/26 WED 07/22/26
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 94 77 94 77 94
TEMP 76 78 89 92 92 85 79 78 77 79 89 93 92 85 81 79 78 79 88 93 93 86
DEWPT 73 75 74 73 72 72 74 74 75 76 74 71 71 73 74 74 73 74 72 70 71 74
RH 90 91 61 54 52 65 85 88 94 91 61 49 51 67 79 85 85 85 59 47 49 68
WIND DIR SW SW SW S S S S S S S S S S S S S SW SW SW SW S S
WIND SPD 3 3 6 9 11 9 6 4 3 5 10 13 14 11 10 8 8 8 11 12 12 10
WIND GUST 23 23
CLOUDS FW FW SC SC SC SC SC SC SC FW FW FW FW B1 SC SC SC SC SC SC SC SC
POP 12HR 10 5 20 5 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C
TSTMS C
HEAT INDEX 98101100 91 98100 99 92 95 99100 94
MAX HEAT 101 103 100 100 99 100
DATE THU 07/23/26 FRI 07/24/26 SAT 07/25/26 SUN 07/26/26
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 76 92 73 90 73 90 72 89
TEMP 79 78 90 85 76 75 88 84 75 75 88 83 75 74 88 82
DEWPT 74 74 73 75 74 74 74 76 74 75 74 75 73 74 72 73
PWIND DIR S SW S E SE NW NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC B1 B1 B1 B1 B1 B2 B1 B1 B1 B2 B1 B1 B1
POP 12HR 30 60 50 70 50 70 50 50
RAIN SHWRS C C C L C C C L C C C L C C C C
TSTMS C S S L C S L C S C L C S C
GAZ099-202000-
METTER-CANDLER GA
32.40N 82.06W ELEV. 197 FT
221 AM EDT MON JUL 20 2026
DATE MON 07/20/26 TUE 07/21/26 WED 07/22/26
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 95 75 95 75 94
TEMP 76 77 87 93 93 85 79 77 76 78 87 93 93 85 80 78 77 77 86 92 92 87
DEWPT 73 74 75 72 72 74 75 75 74 76 75 74 74 75 75 74 73 74 76 74 73 74
RH 90 90 68 51 51 70 88 94 94 94 68 54 54 72 85 88 87 90 72 56 54 65
WIND DIR S S S S S S S S S S S S S S S S S S SW SW SW SW
WIND SPD 2 2 5 6 8 5 4 3 3 4 9 10 10 5 5 5 5 6 10 11 10 5
CLOUDS FW FW FW SC SC SC SC FW FW FW FW SC B1 SC SC FW SC SC SC SC SC SC
POP 12HR 20 20 40 5 20
QPF 12HR 0 0.03 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C S S S
TSTMS S C S S S
HEAT INDEX 96101101 93 96103103 94 96102101 95
MAX HEAT 102 104 103 105 102 102
DATE THU 07/23/26 FRI 07/24/26 SAT 07/25/26 SUN 07/26/26
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 76 93 74 91 74 89 73 88
TEMP 78 78 91 86 77 76 88 84 76 76 86 82 75 75 86 82
DEWPT 74 75 75 75 74 75 75 76 75 76 76 76 75 75 75 76
PWIND DIR SW SW SE E SE W E NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC B1 B1 B1 SC SC B1 B1 B1 B1 B1 B2 B2 B1
POP 12HR 20 50 40 60 40 70 40 60
RAIN SHWRS S S C C C S C L C S C L C C C L
TSTMS S S C C S L C S L C S L
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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