The table below gives the MAXIMUM heat index forecast for days 3 through 7 at GRAND_RAPIDS_MI.
| THU | FRI | SAT | SUN | MON | |
|---|---|---|---|---|---|
| AUG 18 | AUG 19 | AUG 20 | AUG 21 | AUG 22 | |
| MAXIMUM HEAT INDEX | 81 F | 83 F | 83 F | 78 F | 76 F |
| PROBABILITY OF MAXIMUM HEAT INDEX EXCEEDING: | |||||
| 115 F | 0 % | 0 % | 0 % | 0 % | 0 % |
| 110 F | 0 % | 0 % | 0 % | 0 % | 0 % |
| 105 F | 0 % | 0 % | 0 % | 0 % | 0 % |
| 100 F | 0 % | 0 % | 0 % | 0 % | 0 % |
| 95 F | 0 % | 0 % | 0 % | 0 % | 0 % |
| 90 F | 0 % | 2 % | 1 % | 2 % | 3 % |
| 85 F | 10 % | 28 % | 23 % | 12 % | 11 % |
| 80 F | 68 % | 82 % | 80 % | 36 % | 30 % |