The table below gives the MEAN heat index forecast for days 3 through 7 at PHILADELPHIA_PA.
| THU | FRI | SAT | SUN | MON | |
|---|---|---|---|---|---|
| MAY 15 | MAY 16 | MAY 17 | MAY 18 | MAY 19 | |
| MEAN HEAT INDEX | 69 F | 74 F | 74 F | 71 F | 67 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 | 0 % | 1 % | 1 % | 1 % | 1 % |
| 80 F | 0 % | 8 % | 8 % | 6 % | 4 % |
| 75 F | 1 % | 40 % | 39 % | 26 % | 14 % |
| 70 F | 34 % | 81 % | 82 % | 60 % | 35 % |