The table below gives the MEAN heat index forecast for days 3 through 7 at CHICAGO_IL.
| SAT | SUN | MON | TUE | WED | |
|---|---|---|---|---|---|
| AUG 15 | AUG 16 | AUG 17 | AUG 18 | AUG 19 | |
| MEAN HEAT INDEX | 79 F | 80 F | 72 F | 72 F | 75 F |
| PROBABILITY OF MEAN HEAT INDEX EXCEEDING: | |||||
| 100 F | 0 % | 0 % | 0 % | 0 % | 0 % |
| 95 F | 1 % | 1 % | 0 % | 0 % | 0 % |
| 90 F | 4 % | 4 % | 0 % | 0 % | 1 % |
| 85 F | 17 % | 19 % | 0 % | 0 % | 4 % |
| 80 F | 45 % | 48 % | 3 % | 3 % | 20 % |
| 75 F | 76 % | 78 % | 26 % | 25 % | 51 % |
| 70 F | 94 % | 94 % | 73 % | 72 % | 81 % |