The table below gives the MEAN heat index forecast for days 3 through 7 at GRAND_RAPIDS_MI.
| MON | TUE | WED | THU | FRI | |
|---|---|---|---|---|---|
| JUL 29 | JUL 30 | JUL 31 | AUG 01 | AUG 02 | |
| MEAN HEAT INDEX | 81 F | 80 F | 80 F | 81 F | 80 F |
| PROBABILITY OF MEAN HEAT INDEX EXCEEDING: | |||||
| 100 F | 0 % | 0 % | 0 % | 0 % | 0 % |
| 95 F | 0 % | 0 % | 0 % | 0 % | 0 % |
| 90 F | 1 % | 1 % | 1 % | 4 % | 2 % |
| 85 F | 14 % | 14 % | 11 % | 23 % | 15 % |
| 80 F | 58 % | 53 % | 47 % | 61 % | 51 % |
| 75 F | 93 % | 89 % | 86 % | 90 % | 86 % |
| 70 F | 100 % | 99 % | 99 % | 99 % | 98 % |