The table below gives the MAXIMUM heat index forecast for days 3 through 7 at CHARLESTON_SC.
| SAT | SUN | MON | TUE | WED | |
|---|---|---|---|---|---|
| JUL 18 | JUL 19 | JUL 20 | JUL 21 | JUL 22 | |
| MAXIMUM HEAT INDEX | 107 F | 108 F | 109 F | 110 F | 109 F |
| PROBABILITY OF MAXIMUM HEAT INDEX EXCEEDING: | |||||
| 115 F | 15 % | 23 % | 28 % | 33 % | 30 % |
| 110 F | 34 % | 40 % | 45 % | 51 % | 46 % |
| 105 F | 60 % | 60 % | 64 % | 68 % | 64 % |
| 100 F | 82 % | 78 % | 80 % | 83 % | 79 % |
| 95 F | 95 % | 90 % | 91 % | 92 % | 90 % |
| 90 F | 99 % | 97 % | 97 % | 97 % | 96 % |
| 85 F | 100 % | 99 % | 99 % | 99 % | 99 % |
| 80 F | 100 % | 100 % | 100 % | 100 % | 100 % |