227
FOUS52 KCHS 210621
PFMCHS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
221 AM EDT THU MAY 21 2026
SCZ150-212000-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N 80.03W ELEV. 45 FT
221 AM EDT THU MAY 21 2026
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26
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 69 89 73 88
TEMP 65 69 83 88 86 78 73 71 69 73 84 87 87 81 77 75 74 76 82 85 85 80
DEWPT 65 69 66 64 66 68 69 70 69 71 70 69 69 70 70 72 71 72 72 72 71 71
RH 100100 57 45 51 71 87 97100 93 63 55 55 69 79 90 90 87 72 65 63 74
WIND DIR N N SW S S S S S N N S S S SE S S S S S S S S
WIND SPD 0 0 3 10 13 12 6 4 0 0 8 11 13 10 6 5 5 6 10 11 11 9
CLOUDS SC B1 FW FW FW SC B1 B2 B2 B1 SC SC SC B1 B1 B1 B2 B2 B2 B1 B1 B1
POP 12HR 5 10 20 20 60
QPF 12HR 0 0 0 0 0.04
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S L L C C
TSTMS S S S S C C
OBVIS PF
HEAT INDEX 91 91 91 90
MAX HEAT 90 91 92 91 91
DATE SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 88 74 88 73 89 72 89
TEMP 75 75 85 82 75 76 86 82 75 75 87 82 74 74 87 81
DEWPT 72 73 72 70 71 73 70 70 72 72 70 70 72 72 70 70
PWIND DIR S S S S S S S S
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS B1 B1 B2 B1 B1 B1 B1 SC SC SC B1 SC SC SC B1 B1
POP 12HR 30 60 10 30 5 30 10 50
RAIN SHWRS C L C C S C S C C
TSTMS S C C S S S C
GAZ218-212000-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N 81.20W ELEV. 50 FT
221 AM EDT THU MAY 21 2026
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26
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 71 89 74 88
TEMP 66 69 84 91 88 81 75 72 71 74 84 87 87 81 78 76 74 76 83 85 85 81
DEWPT 66 69 66 63 66 68 70 70 71 72 71 71 71 72 73 72 71 72 73 74 74 74
RH 100100 55 40 48 65 84 93100 93 65 59 59 74 85 87 90 87 72 70 70 79
WIND DIR N N S SE SE SE S S N N S SE SE SE SE S S S S SE SE SE
WIND SPD 0 0 2 6 13 13 4 3 0 0 4 10 11 9 5 4 4 4 8 9 10 6
CLOUDS SC B1 FW FW FW SC B1 B1 B2 B1 SC B1 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2
POP 12HR 5 5 40 30 70
QPF 12HR 0 0 0 0 0.07
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C C C C L L L L C
TSTMS S C C C C S C C C
OBVIS PF F
HEAT INDEX 92 90 93 93 93 93
MAX HEAT 92 93 93 95 93 93
DATE SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 88 74 88 74 88 72 89
TEMP 75 75 86 83 76 76 86 83 75 75 86 82 74 74 87 83
DEWPT 72 72 74 73 71 71 72 72 72 71 72 72 71 71 71 72
PWIND DIR SE SE S SE S SE S S
WIND CHAR LT LT LT GN LT GN LT LT
AVG CLOUDS B1 B1 B1 B1 B1 SC B1 B1 SC SC SC B1 SC SC SC B1
POP 12HR 30 50 10 30 5 30 10 50
RAIN SHWRS C S C C C C S C S C
TSTMS C S C C C S C
SCZ150-212000-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N 79.94W ELEV. 10 FT
221 AM EDT THU MAY 21 2026
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26
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 72 88 76 87
TEMP 71 74 81 83 81 77 75 74 72 76 84 86 86 81 78 77 76 78 84 85 85 81
DEWPT 68 70 68 69 69 70 71 71 70 72 73 74 73 73 73 73 73 73 75 75 74 74
RH 90 87 65 63 67 79 87 90 93 87 70 68 65 77 85 87 90 85 74 72 70 79
WIND DIR SW N S S S S S S N N S S SE SE S S S S S S S S
WIND SPD 1 0 3 12 14 12 4 3 0 0 6 11 11 8 4 4 4 4 8 10 10 6
CLOUDS SC B1 FW FW CL SC SC B2 B2 B1 SC SC SC B1 B1 B1 B2 B2 B1 B1 B1 B1
POP 12HR 5 10 20 30 50
QPF 12HR 0 0 0 0 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C C C
TSTMS S S S C S
HEAT INDEX 90 94 93 91 94 92
MAX HEAT 94 94 94 94
DATE SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 87 76 87 75 87 74 88
TEMP 77 77 85 82 77 78 86 82 77 77 86 82 76 76 86 81
DEWPT 74 73 75 73 73 73 74 72 73 73 74 72 73 73 73 72
PWIND DIR S S S S S S S S
WIND CHAR LT GN LT GN LT GN LT LT
AVG CLOUDS B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC B1 B1
POP 12HR 30 50 10 20 10 20 10 50
RAIN SHWRS C C C S S S C C
TSTMS S C C S S S C
SCZ148-212000-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N 80.72W ELEV. 37 FT
221 AM EDT THU MAY 21 2026
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26
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 70 89 75 88
TEMP 67 70 83 88 86 78 73 72 70 73 84 87 87 81 78 77 75 76 83 86 86 81
DEWPT 67 70 66 65 67 69 70 70 70 73 72 72 72 72 72 72 72 72 73 75 74 74
RH 100100 57 47 53 74 90 93100100 67 61 61 74 82 85 90 87 72 70 68 79
WIND DIR N N S SE SE S S S N N S SE SE SE SE S S S S S S SE
WIND SPD 0 0 3 10 13 12 4 3 0 0 6 10 11 8 4 4 4 5 9 10 9 5
CLOUDS SC B1 FW FW SC SC B1 B2 B1 B1 SC SC SC B2 B1 B1 B2 B2 B2 B1 B1 B1
POP 12HR 0 5 20 20 70
QPF 12HR 0 0 0 0 0.05
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S S L L C C S
TSTMS S S S S S C C S
OBVIS PF
HEAT INDEX 90 90 94 94 95 94
MAX HEAT 90 92 94 95 95 95
DATE SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 88 75 88 74 88 73 89
TEMP 76 76 86 83 77 77 86 83 76 76 86 83 75 75 87 82
DEWPT 72 72 75 73 71 72 73 72 72 72 73 72 71 71 72 72
PWIND DIR S S S S S S S S
WIND CHAR LT LT LT GN LT GN LT LT
AVG CLOUDS B1 B1 B1 B1 B1 B1 SC SC SC B1 SC SC SC SC B1 B1
POP 12HR 30 50 10 20 5 20 10 40
RAIN SHWRS S C C C S S S S C C
TSTMS S S S C S S C
SCZ043-212000-
WALTERBORO-INLAND COLLETON SC
32.91N 80.67W ELEV. 98 FT
221 AM EDT THU MAY 21 2026
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26
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 69 89 70 86
TEMP 65 69 85 91 89 81 74 71 69 73 84 87 87 80 74 72 70 72 81 84 83 79
DEWPT 65 68 64 60 64 66 68 69 69 71 70 66 67 70 68 67 67 70 73 71 71 72
RH 100 97 50 36 44 60 82 93100 93 63 50 52 72 82 84 90 93 77 65 67 79
WIND DIR N N S S S S S N N N S SE SE SE SE S S S S S S S
WIND SPD 0 0 2 4 11 10 4 0 0 0 5 9 11 8 3 2 3 4 8 9 8 5
CLOUDS B1 B1 FW FW FW SC B1 B2 OV B2 SC B1 B1 B1 B1 B1 B2 B2 B2 OV OV B1
POP 12HR 5 5 30 30 80
QPF 12HR 0 0 0 0 0.17
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S S C C D D D D C
TSTMS C C S S S C C C
OBVIS PF F
HEAT INDEX 91 90 90
MAX HEAT 91 92 91
DATE SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 87 70 88 69 89 68 89
TEMP 71 71 85 81 72 72 85 81 72 71 87 82 71 70 87 81
DEWPT 68 70 71 71 67 70 69 71 68 70 68 71 68 69 67 70
PWIND DIR S S S S S S S S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B2 B1 B1 B1 B1 SC SC SC B1 SC SC SC B2
POP 12HR 40 70 10 40 10 40 10 60
RAIN SHWRS C C L L C C S C C L
TSTMS C S S C C C C
GAZ099-212000-
METTER-CANDLER GA
32.40N 82.06W ELEV. 197 FT
221 AM EDT THU MAY 21 2026
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26
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 69 90 70 88
TEMP 65 69 84 91 92 84 76 71 70 71 83 88 85 79 75 72 71 72 81 86 83 78
DEWPT 65 67 66 60 58 67 68 69 69 70 70 67 69 71 70 70 70 71 73 71 72 73
RH 100 93 55 36 32 57 76 93 97 97 65 50 59 77 84 93 97 97 77 61 70 85
WIND DIR S S S SE S S SE S N N S S SE SE SE SE SE S S S SE SE
WIND SPD 2 1 2 4 4 8 5 3 0 0 4 6 9 5 4 3 4 4 5 6 6 3
CLOUDS SC SC CL SC B1 B1 B1 B1 B1 B1 SC B2 B2 B2 B2 B2 B2 B2 B1 OV OV B1
POP 12HR 30 30 80 60 90
QPF 12HR 0 0 0.21 0.08 0.24
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C D D L L C C C C D D C
TSTMS S S C C C S S L L C
OBVIS PF PF
HEAT INDEX 91 91 91
MAX HEAT 91 92 91 92 91 90
DATE SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 88 70 88 69 89 68 88
TEMP 71 71 86 82 72 72 86 81 72 71 86 82 71 70 86 81
DEWPT 70 71 71 72 70 71 69 72 70 71 69 72 70 70 68 70
PWIND DIR SE SE SE S SE S S S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B2 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC B1
POP 12HR 50 60 40 50 40 40 20 50
RAIN SHWRS C S C L C S C C C S C
TSTMS C S C C C C 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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