The table below gives the MEAN heat index forecast for days 3 through 7 at GRAND_RAPIDS_MI.
| SAT | SUN | MON | TUE | WED | |
|---|---|---|---|---|---|
| APR 18 | APR 19 | APR 20 | APR 21 | APR 22 | |
| MEAN HEAT INDEX | 60 F | 38 F | 39 F | 52 F | 54 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 | 2 % | 0 % | 0 % | 0 % | 0 % |
| 80 F | 4 % | 0 % | 0 % | 0 % | 0 % |
| 75 F | 10 % | 0 % | 0 % | 0 % | 1 % |
| 70 F | 19 % | 0 % | 0 % | 0 % | 3 % |