The table below gives the MAXIMUM heat index forecast for days 3 through 7 at WASHINGTON_DC.
| MON | TUE | WED | THU | FRI | |
|---|---|---|---|---|---|
| AUG 17 | AUG 18 | AUG 19 | AUG 20 | AUG 21 | |
| MAXIMUM HEAT INDEX | 96 F | 90 F | 94 F | 95 F | 87 F |
| PROBABILITY OF MAXIMUM HEAT INDEX EXCEEDING: | |||||
| 115 F | 0 % | 0 % | 0 % | 1 % | 0 % |
| 110 F | 0 % | 0 % | 1 % | 3 % | 0 % |
| 105 F | 3 % | 0 % | 4 % | 11 % | 2 % |
| 100 F | 22 % | 2 % | 17 % | 27 % | 7 % |
| 95 F | 62 % | 13 % | 45 % | 51 % | 17 % |
| 90 F | 92 % | 46 % | 76 % | 74 % | 35 % |
| 85 F | 99 % | 83 % | 94 % | 90 % | 57 % |
| 80 F | 100 % | 98 % | 99 % | 97 % | 77 % |