The table below gives the MEAN heat index forecast for days 3 through 7 at WASHINGTON_DC.
| TUE | WED | THU | FRI | SAT | |
|---|---|---|---|---|---|
| AUG 11 | AUG 12 | AUG 13 | AUG 14 | AUG 15 | |
| MEAN HEAT INDEX | 89 F | 86 F | 84 F | 80 F | 77 F |
| PROBABILITY OF MEAN HEAT INDEX EXCEEDING: | |||||
| 100 F | 1 % | 0 % | 0 % | 0 % | 0 % |
| 95 F | 11 % | 3 % | 1 % | 1 % | 1 % |
| 90 F | 43 % | 20 % | 8 % | 7 % | 4 % |
| 85 F | 81 % | 58 % | 39 % | 24 % | 14 % |
| 80 F | 97 % | 89 % | 80 % | 52 % | 34 % |
| 75 F | 100 % | 99 % | 98 % | 79 % | 61 % |
| 70 F | 100 % | 100 % | 100 % | 94 % | 84 % |