The table below gives the MEAN heat index forecast for days 3 through 7 at RAPID_CITY_SD.
| SAT | SUN | MON | TUE | WED | |
|---|---|---|---|---|---|
| JUL 18 | JUL 19 | JUL 20 | JUL 21 | JUL 22 | |
| MEAN HEAT INDEX | 83 F | 84 F | 78 F | 73 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 | 4 % | 5 % | 0 % | 0 % | 0 % |
| 85 F | 34 % | 38 % | 4 % | 1 % | 1 % |
| 80 F | 80 % | 83 % | 32 % | 10 % | 7 % |
| 75 F | 98 % | 98 % | 79 % | 37 % | 22 % |
| 70 F | 100 % | 100 % | 98 % | 73 % | 47 % |