The table below gives the MAXIMUM heat index forecast for days 3 through 7 at CHARLESTON_SC.
| WED | THU | FRI | SAT | SUN | |
|---|---|---|---|---|---|
| AUG 19 | AUG 20 | AUG 21 | AUG 22 | AUG 23 | |
| MAXIMUM HEAT INDEX | 113 F | 113 F | 110 F | 105 F | 103 F |
| PROBABILITY OF MAXIMUM HEAT INDEX EXCEEDING: | |||||
| 115 F | 41 % | 39 % | 31 % | 18 % | 13 % |
| 110 F | 61 % | 60 % | 49 % | 32 % | 25 % |
| 105 F | 79 % | 78 % | 67 % | 51 % | 42 % |
| 100 F | 91 % | 91 % | 83 % | 69 % | 62 % |
| 95 F | 97 % | 97 % | 93 % | 84 % | 79 % |
| 90 F | 99 % | 99 % | 97 % | 93 % | 91 % |
| 85 F | 100 % | 100 % | 99 % | 98 % | 97 % |
| 80 F | 100 % | 100 % | 100 % | 99 % | 99 % |