The table below gives the MEAN heat index forecast for days 3 through 7 at RALEIGH-DURHAM_NC.
| THU | FRI | SAT | SUN | MON | |
|---|---|---|---|---|---|
| SEP 17 | SEP 18 | SEP 19 | SEP 20 | SEP 21 | |
| MEAN HEAT INDEX | 74 F | 79 F | 83 F | 86 F | 83 F |
| PROBABILITY OF MEAN HEAT INDEX EXCEEDING: | |||||
| 100 F | 0 % | 0 % | 0 % | 0 % | 1 % |
| 95 F | 0 % | 0 % | 0 % | 2 % | 6 % |
| 90 F | 0 % | 0 % | 5 % | 18 % | 19 % |
| 85 F | 0 % | 4 % | 33 % | 57 % | 40 % |
| 80 F | 1 % | 39 % | 78 % | 90 % | 65 % |
| 75 F | 33 % | 89 % | 98 % | 99 % | 85 % |
| 70 F | 94 % | 100 % | 100 % | 100 % | 95 % |