The table below gives the MEAN heat index forecast for days 3 through 7 at RAPID_CITY_SD.
| MON | TUE | WED | THU | FRI | |
|---|---|---|---|---|---|
| JUL 29 | JUL 30 | JUL 31 | AUG 01 | AUG 02 | |
| MEAN HEAT INDEX | 77 F | 80 F | 77 F | 78 F | 79 F |
| PROBABILITY OF MEAN HEAT INDEX EXCEEDING: | |||||
| 100 F | 0 % | 0 % | 0 % | 0 % | 0 % |
| 95 F | 0 % | 0 % | 0 % | 0 % | 0 % |
| 90 F | 0 % | 1 % | 0 % | 0 % | 1 % |
| 85 F | 3 % | 11 % | 3 % | 4 % | 8 % |
| 80 F | 26 % | 50 % | 23 % | 29 % | 40 % |
| 75 F | 71 % | 89 % | 65 % | 76 % | 81 % |
| 70 F | 96 % | 99 % | 93 % | 97 % | 98 % |