


Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
040 FOUS52 KCHS 140213 PFMCHS Point Forecast Matrices National Weather Service Charleston SC 1013 PM EDT Wed Aug 13 2025 SCZ050-140800- Charleston International Airport-Charleston SC 32.91N 80.03W Elev. 45 ft 1013 PM EDT Wed Aug 13 2025 Date 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat 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 76 90 76 92 76 Temp 80 78 77 78 87 90 89 82 79 79 77 78 87 92 91 85 79 78 76 77 Dewpt 76 76 76 76 75 75 76 76 76 76 76 76 75 75 76 76 76 76 75 75 RH 88 94 97 94 68 62 66 82 91 91 97 94 68 58 62 75 91 94 97 94 Wind dir SW SW SW SW SW SW S S SW SW W W NW W S S SW W N N Wind spd 5 5 4 5 9 11 12 9 6 5 4 4 5 4 5 4 2 2 2 4 Clouds SC SC B1 SC SC SC B1 B1 SC SC SC SC FW SC SC SC SC SC SC SC PoP 12hr 20 60 30 40 30 QPF 12hr 0 0.08 0.15 0.04 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L C C C C C C S S C Tstms S C L C C C C C C S S C Heat index 96101100 96103103 94 Max heat 101 101 103 105 91 Date 08/16 Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 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 89 74 89 72 91 74 89 73 90 Temp 89 82 77 75 89 82 75 75 90 82 76 75 89 82 76 75 89 82 Dewpt 74 75 74 73 70 72 72 72 71 72 72 72 71 72 72 71 71 73 PWind dir NE NE NE NE E E NE NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 60 20 30 5 20 5 30 10 30 Rain shwrs C L S S C S C C Tstms C L S S C S C C $$ GAZ118-140800- Savannah International Airport-Inland Chatham GA 32.12N 81.20W Elev. 50 ft 1013 PM EDT Wed Aug 13 2025 Date 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 92 76 94 76 Temp 80 79 77 76 87 92 91 84 80 79 77 77 88 94 92 85 80 79 76 78 Dewpt 77 76 75 76 77 78 78 78 76 76 75 76 78 77 77 78 77 76 75 76 RH 91 91 94100 72 64 66 82 88 91 94 97 72 58 62 80 91 91 97 94 Wind dir S SW SW SW SW SW SW S SW SW W W NW W S S SW W NW N Wind spd 5 4 4 4 6 9 8 4 3 3 3 3 3 3 4 2 2 1 2 2 Clouds B2 B1 SC FW SC B1 B1 B1 SC SC SC FW SC SC B1 SC SC SC SC SC PoP 12hr 20 50 20 40 30 QPF 12hr 0 0.22 0.03 0.04 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S C C C C S Tstms S C C S S C C C C S Heat index 99107106 95 102109106 97 Max heat 107 106 90 109 109 93 Date 08/16 Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 92 74 89 72 92 73 92 74 92 Temp 92 82 77 76 89 83 75 74 92 82 76 75 92 83 77 76 92 83 Dewpt 77 77 75 75 74 74 72 72 73 73 72 72 74 73 73 72 74 74 PWind dir NE NE E NE E E NE NE NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 SC SC SC FW FW FW FW FW FW FW SC FW FW FW SC PoP 12hr 60 20 40 5 20 5 30 10 30 Rain shwrs S L S S C S C C Tstms S L S S C S C C $$ SCZ050-140800- Charleston Waterfront-Charleston SC 32.78N 79.94W Elev. 10 ft 1013 PM EDT Wed Aug 13 2025 Date 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat 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 89 77 92 76 Temp 81 80 79 80 87 89 88 82 80 79 77 79 87 91 89 84 80 79 76 78 Dewpt 78 78 78 78 78 78 79 78 78 78 77 77 78 78 79 79 78 78 76 77 RH 91 94 97 94 75 70 75 88 94 97100 94 75 66 73 85 94 97100 97 Wind dir SW SW SW SW SW S S S SW SW W W NW S S S SW W NW N Wind spd 8 6 5 5 9 12 12 9 6 5 4 4 5 5 5 4 3 2 2 3 Clouds SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 20 60 40 40 30 QPF 12hr 0 0.04 0.04 0.01 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C C C C C C Tstms S C C C C C C C C C C C Heat index 100103103 91 100106105 96 Max heat 103 105 106 108 92 Date 08/16 Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 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 88 76 88 75 89 75 89 75 90 Temp 88 82 78 76 88 82 76 76 89 82 77 77 89 82 77 76 89 82 Dewpt 77 77 76 74 73 74 74 74 74 74 74 74 75 75 74 73 74 75 PWind dir NE NE NE NE E E NE NE E Wind char LT LT LT LT LT LT LT LT GN Avg clouds SC SC SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 50 20 30 5 10 10 30 20 30 Rain shwrs C C S S C C S C Tstms C C S S C C S C $$ SCZ048-140800- Beaufort Marine Corps Air Station-Beaufort SC 32.48N 80.72W Elev. 37 ft 1013 PM EDT Wed Aug 13 2025 Date 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 90 76 92 75 Temp 80 79 78 78 86 89 88 83 80 79 77 78 86 92 90 84 80 78 76 77 Dewpt 77 77 76 76 77 78 78 78 77 76 76 76 78 78 78 78 77 76 75 76 RH 91 94 94 94 75 70 72 85 91 91 97 94 77 64 68 82 91 94 97 97 Wind dir S SW SW SW SW SW S S SW SW W W NW W S S SW W NW N Wind spd 5 5 4 4 8 10 9 5 4 3 3 3 3 3 4 2 2 2 2 2 Clouds B1 SC B1 SC FW B1 B1 SC SC SC SC SC FW SC SC SC B1 SC B1 SC PoP 12hr 20 60 20 30 30 QPF 12hr 0 0.17 0.02 0.02 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S C C C C S S S Tstms S C C S S C C C C S S S Heat index 97103102 93 98107105 95 Max heat 103 103 107 107 91 Date 08/16 Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 74 89 72 90 73 90 74 90 Temp 89 81 77 75 88 81 76 75 90 81 76 75 89 81 77 75 89 81 Dewpt 77 77 74 74 73 74 72 72 73 73 72 73 74 74 73 73 74 74 PWind dir E NE E NE E E NE NE NE Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 SC SC SC FW FW FW FW FW FW FW SC FW FW FW SC PoP 12hr 60 20 40 5 20 5 30 10 30 Rain shwrs S L S S C S C C Tstms S L S S C S C C $$ SCZ043-140800- Walterboro-Inland Colleton SC 32.91N 80.67W Elev. 98 ft 1013 PM EDT Wed Aug 13 2025 Date 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat 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 74 87 74 91 73 Temp 78 77 75 76 85 87 87 82 78 77 75 77 87 91 91 83 78 76 74 76 Dewpt 76 76 75 76 76 76 76 77 76 76 75 76 76 76 75 77 77 75 74 75 RH 94 97100100 75 70 70 85 94 97100 97 70 62 60 82 97 97100 97 Wind dir S SW SW SW SW SW SW S SW SW W W NW NW N SE SW NW N N Wind spd 3 2 2 3 6 9 8 4 2 2 2 2 3 3 3 2 1 1 1 2 Clouds SC B1 B1 SC SC B1 B1 B1 SC SC SC SC SC SC SC B1 SC SC SC SC PoP 12hr 20 70 20 40 20 QPF 12hr 0 1.34 0.08 0.05 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C L L S S C C S S S Tstms S S C L L S S C C S S S Heat index 94 98 98 90 98103102 92 Max heat 98 98 103 103 Date 08/16 Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 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 88 72 88 70 90 71 89 71 87 Temp 88 81 74 74 88 81 73 73 90 82 73 73 89 81 73 73 87 81 Dewpt 75 75 74 73 70 72 72 72 71 73 72 72 71 73 73 72 72 73 PWind dir NE E NE E NE E NE SW N Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 SC SC SC SC FW FW FW FW FW FW FW SC SC FW SC SC PoP 12hr 60 10 30 5 10 5 30 10 20 Rain shwrs S L C C S Tstms S L C C S $$ GAZ099-140800- Metter-Candler GA 32.40N 82.06W Elev. 197 ft 1013 PM EDT Wed Aug 13 2025 Date 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 92 75 94 75 Temp 79 77 76 76 84 90 91 85 79 77 75 76 87 94 92 86 79 76 75 76 Dewpt 75 75 74 74 75 76 75 75 76 75 74 74 75 75 74 76 76 75 75 75 RH 88 94 94 94 74 64 60 72 91 94 97 94 68 54 56 72 91 97100 97 Wind dir S S SW SW SW SW W W SW SW W W NW NW NW SW S SW NW N Wind spd 2 2 3 4 6 8 6 2 2 2 2 2 3 4 3 1 1 1 1 2 Clouds B2 B1 B1 B1 B1 SC SC SC SC FW FW FW FW SC SC SC SC FW FW SC PoP 12hr 40 50 10 30 20 QPF 12hr 0.14 0.07 0 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S C C C C S S Tstms C S S C C C C S S Heat index 92102102 94 96106102 96 Max heat 102 103 106 106 91 Date 08/16 Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 92 73 91 71 93 72 93 73 92 Temp 92 83 75 74 90 83 73 73 92 85 74 74 92 84 75 75 91 83 Dewpt 75 75 74 74 72 72 72 72 71 71 71 71 71 72 71 71 72 73 PWind dir NE E NE E NE S NE S NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 SC SC SC SC FW FW FW FW FW FW FW FW FW FW SC SC PoP 12hr 60 20 30 5 10 5 20 10 20 Rain shwrs L S C S S Tstms L S C S S $$ 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