The table below gives the MEAN heat index forecast for days 3 through 7 at CHICAGO_IL.
| MON | TUE | WED | THU | FRI | |
|---|---|---|---|---|---|
| JUL 29 | JUL 30 | JUL 31 | AUG 01 | AUG 02 | |
| MEAN HEAT INDEX | 83 F | 85 F | 84 F | 84 F | 82 F |
| PROBABILITY OF MEAN HEAT INDEX EXCEEDING: | |||||
| 100 F | 0 % | 0 % | 0 % | 0 % | 0 % |
| 95 F | 1 % | 3 % | 2 % | 3 % | 1 % |
| 90 F | 8 % | 16 % | 14 % | 15 % | 8 % |
| 85 F | 33 % | 47 % | 43 % | 44 % | 32 % |
| 80 F | 71 % | 79 % | 77 % | 76 % | 67 % |
| 75 F | 94 % | 96 % | 95 % | 94 % | 92 % |
| 70 F | 100 % | 100 % | 100 % | 99 % | 99 % |