The table below gives the MEAN heat index forecast for days 3 through 7 at CHICAGO_IL.
| WED | THU | FRI | SAT | SUN | |
|---|---|---|---|---|---|
| AUG 12 | AUG 13 | AUG 14 | AUG 15 | AUG 16 | |
| MEAN HEAT INDEX | 78 F | 73 F | 69 F | 70 F | 70 F |
| PROBABILITY OF MEAN HEAT INDEX EXCEEDING: | |||||
| 100 F | 0 % | 0 % | 0 % | 0 % | 0 % |
| 95 F | 0 % | 0 % | 0 % | 0 % | 0 % |
| 90 F | 0 % | 0 % | 0 % | 0 % | 0 % |
| 85 F | 4 % | 0 % | 0 % | 0 % | 1 % |
| 80 F | 28 % | 6 % | 1 % | 3 % | 4 % |
| 75 F | 73 % | 33 % | 10 % | 16 % | 21 % |
| 70 F | 96 % | 74 % | 45 % | 47 % | 53 % |