971
FOUS52 KCHS 200921
PFMCHS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
521 AM EDT WED MAY 20 2026
SCZ150-202000-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N 80.03W ELEV. 45 FT
521 AM EDT WED MAY 20 2026
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26
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 88 68 91 71 89
TEMP 67 81 88 86 78 73 70 69 72 84 89 89 81 75 73 71 74 82 86 87 80
DEWPT 66 64 64 64 66 68 68 67 70 68 66 66 67 68 70 69 71 70 70 69 69
RH 97 56 45 48 67 84 93 93 93 59 47 47 63 79 90 93 90 67 59 55 69
WIND DIR N N SE S S S S N N S S S S S S N N S S SE SE
WIND SPD 0 0 12 17 11 4 2 0 0 4 9 13 10 5 3 0 0 8 11 13 10
CLOUDS SC FW FW CL FW CL FW SC SC SC FW FW FW FW SC SC B1 B1 SC SC SC
POP 12HR 0 0 5 5 30
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S S
TSTMS S S S
OBVIS PF
HEAT INDEX 92 92 91 91
MAX HEAT 92 92 91 92
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26
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 73 89 74 88 73 88 73 89
TEMP 75 76 87 83 75 76 86 82 75 75 85 81 74 75 87 82
DEWPT 71 72 71 70 72 72 71 71 72 72 71 70 71 71 70 69
PWIND DIR SE S S S S S S S
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 SC B1
POP 12HR 20 40 10 40 10 30 5 30
RAIN SHWRS S C C C C C S S C
TSTMS S C S C S S S C
GAZ218-202000-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N 81.20W ELEV. 50 FT
521 AM EDT WED MAY 20 2026
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26
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 91 69 90 72 89
TEMP 68 83 90 89 80 73 70 69 71 84 89 89 83 75 73 72 74 84 87 87 82
DEWPT 68 66 63 64 67 69 69 68 69 69 67 68 69 70 70 69 70 71 71 71 72
RH 100 57 41 44 65 87 97 97 93 61 48 50 63 84 90 90 87 65 59 59 72
WIND DIR N S SE SE SE S S S N S SE SE SE SE S SE SE S SE SE SE
WIND SPD 0 1 10 14 10 3 2 1 0 2 6 10 9 4 3 2 1 4 10 11 9
CLOUDS B1 FW FW CL FW FW FW SC SC SC SC FW SC SC FW SC B1 B1 B1 B1 SC
POP 12HR 0 0 5 0 30
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C S
TSTMS C C S
OBVIS PF PF PF
HEAT INDEX 91 90 92 93 93 93
MAX HEAT 91 93 92 93 93 94
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26
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 74 89 74 89 74 88 73 89
TEMP 75 76 87 83 75 76 86 82 75 75 85 82 74 75 86 82
DEWPT 71 71 73 73 71 71 73 73 71 71 73 72 71 70 71 72
PWIND DIR SE SE SE SE SE SE S SE
WIND CHAR LT LT LT LT LT GN LT LT
AVG CLOUDS SC SC B1 B1 B1 SC B1 B1 B1 SC B1 B1 SC SC B1 B1
POP 12HR 20 50 20 40 10 30 10 30
RAIN SHWRS S S C C S C C C C C
TSTMS S S C S S C S C C
SCZ150-202000-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N 79.94W ELEV. 10 FT
521 AM EDT WED MAY 20 2026
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26
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 83 70 88 74 87
TEMP 73 80 83 81 76 73 71 70 72 84 87 87 81 76 75 74 76 83 85 85 81
DEWPT 68 66 67 68 70 70 70 69 71 72 72 71 71 71 72 71 72 73 74 73 72
RH 84 62 59 65 82 90 97 97 97 67 61 59 72 85 90 90 87 72 70 67 74
WIND DIR N SE SE SE SE S S SW N S S S S S S S SE S SE SE SE
WIND SPD 0 2 13 14 8 3 2 1 0 3 10 11 6 4 3 1 2 6 10 11 6
CLOUDS FW FW FW CL FW CL FW SC SC SC FW FW SC FW SC SC SC SC SC FW SC
POP 12HR 0 0 0 10 20
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
OBVIS PF
HEAT INDEX 90 93 92 93 91
MAX HEAT 94 93 93 94
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26
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 88 76 87 75 86 75 87
TEMP 76 78 86 82 77 78 86 81 76 77 86 81 76 77 86 81
DEWPT 73 73 75 73 73 73 75 73 73 72 74 72 72 72 74 72
PWIND DIR S S S S S S S S
WIND CHAR LT GN LT GN LT GN LT GN
AVG CLOUDS SC B1 B1 SC B1 B1 B1 SC B1 B1 B1 SC SC B1 SC SC
POP 12HR 20 30 10 30 10 20 5 20
RAIN SHWRS S C S C C S S
TSTMS S S S C S S
SCZ148-202000-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N 80.72W ELEV. 37 FT
521 AM EDT WED MAY 20 2026
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26
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 90 69 90 73 89
TEMP 68 81 88 86 78 72 71 69 72 84 88 89 82 75 74 73 75 84 87 87 81
DEWPT 67 65 65 65 69 69 69 68 70 69 69 69 70 70 70 70 71 72 72 72 72
RH 97 58 47 50 74 90 93 97 93 61 54 52 67 84 87 90 87 67 61 61 74
WIND DIR N SE SE SE SE S S N N S SE SE SE SE S SE SE S SE SE SE
WIND SPD 0 2 11 13 8 3 2 0 0 3 8 10 6 3 2 1 1 6 10 11 8
CLOUDS SC FW FW FW FW FW FW SC SC SC SC FW FW SC SC SC SC SC SC FW SC
POP 12HR 0 0 5 0 20
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
OBVIS PF
HEAT INDEX 90 92 94 90 94 94
MAX HEAT 90 91 92 94 94 95
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26
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 75 89 75 88 74 87 73 88
TEMP 76 77 87 84 76 76 86 83 75 76 86 82 75 75 87 83
DEWPT 71 72 73 73 72 71 74 73 72 71 73 73 71 71 72 72
PWIND DIR SE S SE SE SE S S S
WIND CHAR LT GN LT LT LT GN LT LT
AVG CLOUDS SC B1 B1 B1 B1 B1 B1 B1 B1 SC B1 SC SC SC SC B1
POP 12HR 20 50 10 30 5 30 5 30
RAIN SHWRS S C C C C C S S C
TSTMS S C S C S S S C
SCZ043-202000-
WALTERBORO-INLAND COLLETON SC
32.91N 80.67W ELEV. 98 FT
521 AM EDT WED MAY 20 2026
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26
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 92 65 91 67 89
TEMP 66 83 92 91 80 71 67 65 69 84 90 90 82 72 69 67 71 83 87 87 81
DEWPT 65 65 59 62 64 67 67 65 68 67 62 64 67 66 65 65 69 70 67 67 69
RH 97 55 33 38 58 87100100 97 57 39 42 61 81 87 93 93 65 52 52 67
WIND DIR N N SE S S S N N N S S S S S N N N S S S SE
WIND SPD 0 0 9 13 10 3 0 0 0 2 4 10 8 3 0 0 0 5 9 10 8
CLOUDS SC FW CL FW CL CL SC SC B1 FW SC FW FW FW SC SC B1 B1 B1 B1 SC
POP 12HR 0 0 10 5 40
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C
TSTMS C C
OBVIS PF PF
HEAT INDEX 92 90 91 90 90
MAX HEAT 91 92 90 91 91 91
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26
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 69 89 69 88 69 88 68 89
TEMP 71 72 87 82 71 72 86 82 71 71 86 81 70 71 87 82
DEWPT 67 70 69 71 67 70 69 72 67 69 69 71 67 69 67 71
PWIND DIR SE S SE S S S S S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B2 B2 B1 B1 B1 B2 B1 SC B1 B1 SC SC B1 B1
POP 12HR 20 60 20 60 10 50 5 40
RAIN SHWRS S L L S C L C C S C
TSTMS S C S S C S C S C
GAZ099-202000-
METTER-CANDLER GA
32.40N 82.06W ELEV. 197 FT
521 AM EDT WED MAY 20 2026
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26
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 66 92 68 91
TEMP 68 82 90 93 85 75 69 67 69 83 90 91 85 75 71 69 71 83 89 88 81
DEWPT 67 65 58 56 61 66 67 67 68 67 62 62 66 67 67 68 69 70 66 68 70
RH 97 56 34 29 45 74 93100 97 59 39 38 53 76 87 97 93 65 47 52 69
WIND DIR N S SE SE SE SE S S S S SE SE SE SE SE SE SE S S SE SE
WIND SPD 0 1 9 10 9 5 3 2 1 2 4 6 8 5 3 3 3 4 6 8 6
CLOUDS SC FW CL FW FW CL FW SC SC FW SC SC B1 FW SC SC B1 SC B2 B2 B1
POP 12HR 0 0 20 10 60
QPF 12HR 0 0 0 0 0.05
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S L L C
TSTMS S S C C C
OBVIS PF PF PF
HEAT INDEX 90 92 92 92
MAX HEAT 91 90 92 92 92
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26
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 70 90 70 90 69 89 68 89
TEMP 72 72 88 83 73 72 87 83 72 72 87 82 72 71 87 83
DEWPT 70 71 69 72 70 71 69 72 70 71 69 72 70 70 68 71
PWIND DIR SE S SE SE SE S SE S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B2 B1 B1 B1 B2 B1 B1 B1 B2 B1 SC SC B1
POP 12HR 40 70 40 60 20 60 30 40
RAIN SHWRS C L C L S L C C
TSTMS 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
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