


Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
950 FOUS52 KCHS 150547 PFMCHS Point Forecast Matrices National Weather Service Charleston SC 147 AM EDT Tue Jul 15 2025 SCZ050-152000- Charleston International Airport-Charleston SC 32.91N 80.03W Elev. 45 ft 147 AM EDT Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 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 77 91 76 93 Temp 76 78 85 87 86 81 79 78 78 80 85 88 87 81 79 78 76 79 87 91 89 82 Dewpt 73 75 75 74 74 74 75 74 74 75 74 74 74 74 75 75 75 76 74 74 74 75 RH 90 91 72 65 68 79 88 88 88 85 70 63 65 79 88 91 97 91 65 58 61 79 Wind dir NE NE SE SE SE SE SE S S S S S S S S S S S S S S S Wind spd 3 5 9 11 13 10 8 6 8 9 11 13 14 11 9 8 8 8 10 13 14 11 Clouds SC SC B1 B2 B1 SC SC SC SC FW B1 SC SC SC FW FW FW FW FW FW FW FW PoP 12hr 60 20 60 10 40 QPF 12hr 0.03 0 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L C S S L L C C C C C C Tstms S L C S S C C C C C C C C Heat index 94 95 94 93 97 95 95101 98 Max heat 97 98 97 97 101 101 Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 77 94 76 95 77 95 77 95 Temp 78 79 91 82 78 78 92 83 79 79 92 83 79 79 92 83 Dewpt 75 75 74 75 75 75 74 74 75 75 74 75 75 75 74 76 PWind dir SW SW SW SW SW SW SW SW Wind char GN GN LT GN LT GN GN GN Avg clouds FW FW SC B1 FW FW SC B1 SC SC SC B1 SC SC SC B1 PoP 12hr 0 30 10 30 20 40 20 50 Rain shwrs S C C S S C S S C Tstms S C C S S C S S C $$ GAZ118-152000- Savannah International Airport-Inland Chatham GA 32.12N 81.20W Elev. 50 ft 147 AM EDT Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 77 91 77 93 Temp 76 77 85 89 89 82 79 78 78 79 86 89 89 82 80 79 77 79 87 91 91 83 Dewpt 74 76 77 77 76 75 75 75 75 75 76 76 74 75 75 75 75 76 76 76 75 75 RH 94 97 77 68 66 79 88 91 91 88 72 66 61 79 85 88 94 91 70 62 60 77 Wind dir NE NE E E SE SE SE SE SE SE S S SE SE S S S S S S S S Wind spd 2 3 6 10 10 8 5 5 5 6 10 12 13 10 8 5 5 5 8 10 11 10 Clouds SC SC SC B1 B1 SC SC SC FW SC SC SC FW SC FW FW FW FW FW FW FW FW PoP 12hr 50 20 40 10 40 QPF 12hr 0.01 0 0.01 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C C C S S C C Tstms C C S C C C C S S C C Heat index 96102100 96100 98 98103102 90 Max heat 102 102 100 101 103 105 Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 95 76 95 76 96 77 95 Temp 79 79 93 83 78 78 93 86 78 78 94 85 79 79 93 84 Dewpt 75 75 76 76 75 75 76 75 75 74 76 76 75 75 76 76 PWind dir S S SW SW SW SW SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW CL SC B1 SC FW FW B1 SC FW SC B1 SC FW SC B1 PoP 12hr 5 40 10 40 10 40 20 50 Rain shwrs C C C S S C Tstms C C C S S C $$ SCZ050-152000- Charleston Waterfront-Charleston SC 32.78N 79.94W Elev. 10 ft 147 AM EDT Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 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 89 79 90 79 91 Temp 79 80 85 87 87 82 81 80 80 81 85 88 87 82 81 80 79 81 87 89 89 83 Dewpt 74 77 77 78 77 76 76 76 76 77 78 78 77 76 77 77 76 77 78 78 77 77 RH 85 91 77 75 72 82 85 88 88 88 80 72 72 82 88 91 91 88 75 70 68 82 Wind dir E E SE SE SE SE S S S S S S S S S S S S S S S S Wind spd 3 5 8 11 12 10 9 8 9 10 11 13 13 10 10 9 9 8 10 13 14 11 Clouds FW B1 B1 B1 B1 SC SC SC SC SC B1 SC SC SC FW FW FW SC FW FW FW FW PoP 12hr 50 20 60 10 40 QPF 12hr 0.02 0.02 0.05 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S S S L L C C C C S S Tstms C C C S S S C C C C C C S S Heat index 96100 99 97102 99 100103102 92 Max heat 100 102 102 102 103 103 Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 92 78 94 79 94 79 93 Temp 80 81 90 83 80 80 92 84 81 81 92 84 81 81 91 83 Dewpt 77 78 78 76 76 77 78 77 77 77 78 77 77 77 79 78 PWind dir SW SW SW SW SW SW SW SW Wind char GN GN LT GN LT GN GN GN Avg clouds FW FW SC B1 FW FW SC B1 SC SC B1 B1 SC SC B1 B1 PoP 12hr 5 30 10 30 20 40 20 40 Rain shwrs S C C S S C C S S C C Tstms S C C S S C C S S C C $$ SCZ048-152000- Beaufort Marine Corps Air Station-Beaufort SC 32.48N 80.72W Elev. 37 ft 147 AM EDT Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 77 89 77 91 Temp 76 78 85 87 87 81 80 78 77 79 85 88 87 81 80 79 77 79 86 90 88 82 Dewpt 74 76 77 77 76 75 75 75 75 76 77 77 76 75 76 76 76 77 77 77 76 76 RH 94 94 77 72 70 82 85 91 94 91 77 70 70 82 88 91 97 94 75 66 68 82 Wind dir NE NE E SE SE SE SE SE SE S S S S S S S S S S S S S Wind spd 2 3 6 10 10 8 5 5 5 6 10 11 12 9 8 6 5 5 9 11 11 9 Clouds SC SC SC B1 B1 SC FW FW FW SC SC SC SC SC FW FW FW FW SC FW FW FW PoP 12hr 40 20 40 5 30 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C C C C C C C Tstms C C S C C C C C C C C Heat index 96 99 98 96100 98 97103 99 Max heat 100 102 100 100 103 103 Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 92 76 94 77 94 78 93 Temp 79 79 91 82 78 78 92 84 79 79 92 84 80 79 91 83 Dewpt 76 76 78 76 75 76 77 77 75 75 78 77 75 76 78 77 PWind dir S S SW SW SW SW SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC B1 FW FW FW B1 SC FW SC B1 SC FW SC B1 PoP 12hr 5 30 10 30 10 40 20 40 Rain shwrs C C S C S S C Tstms C C S C S S C $$ SCZ043-152000- Walterboro-Inland Colleton SC 32.91N 80.67W Elev. 98 ft 147 AM EDT Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 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 89 74 89 74 91 Temp 74 76 86 88 86 80 77 74 74 76 84 88 87 79 77 75 74 76 85 89 88 81 Dewpt 72 75 75 74 74 74 75 74 74 75 74 74 74 74 75 75 74 76 75 74 74 74 RH 93 97 70 63 68 82 94100100 97 72 63 65 85 94100100100 72 61 63 79 Wind dir NE NE E SE SE SE SE SE SE SE S S S S S S S S S S S S Wind spd 1 2 5 8 9 5 3 2 2 4 9 10 11 8 5 4 3 4 8 9 10 8 Clouds SC SC SC B1 B1 SC SC FW SC SC SC SC SC SC SC FW SC FW SC SC FW FW PoP 12hr 50 20 50 5 40 QPF 12hr 0.29 0 0.02 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C C C C C C C Tstms C C S C C C C C C C C Heat index 95 97 94 91 97 95 94 98 97 Max heat 97 98 97 97 98 98 Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 92 74 92 75 93 75 93 Temp 76 76 91 81 75 76 91 82 76 77 92 82 77 77 91 81 Dewpt 75 76 73 75 75 76 74 74 75 75 74 75 75 75 74 76 PWind dir S SW SW SW SW SW SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC B1 FW FW FW B1 SC FW SC B1 SC FW SC B1 PoP 12hr 0 30 5 30 10 40 20 50 Rain shwrs C C C S S C Tstms C C C S S C $$ GAZ099-152000- Metter-Candler GA 32.40N 82.06W Elev. 197 ft 147 AM EDT Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 73 93 74 94 Temp 75 75 85 91 90 84 78 76 75 76 85 91 90 84 78 76 74 76 87 92 91 85 Dewpt 73 75 75 74 73 73 74 74 74 74 74 73 72 73 74 74 74 74 74 72 72 74 RH 94100 72 58 58 70 88 94 97 94 70 56 56 70 88 94100 94 65 52 54 70 Wind dir E E E E E SE SE E E SE SE SE SE SE SE S S S S S S S Wind spd 1 2 4 5 6 5 3 2 2 3 5 8 8 5 4 2 2 2 5 6 6 4 Clouds FW SC FW B1 B1 SC FW SC SC SC SC SC SC SC FW FW FW SC FW FW SC SC PoP 12hr 40 10 50 5 40 QPF 12hr 0 0 0.02 0 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S C C C C Tstms C C S S C C C C Heat index 94101 98 90 93100 97 90 95100 99 93 Max heat 101 101 100 100 100 100 Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 95 73 95 75 96 76 96 Temp 76 76 93 82 76 76 93 86 77 77 94 86 78 78 94 86 Dewpt 75 74 73 75 74 74 73 73 73 74 73 74 73 74 73 74 PWind dir S SW SW SW SW SW SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC B1 SC FW FW B1 SC FW FW B1 SC FW SC B1 PoP 12hr 10 40 10 30 20 40 20 50 Rain shwrs C C S C S S C Tstms C C S C S S C $$ 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