The table below gives the MEAN heat index forecast for days 3 through 7 at PORTLAND_OR.
| MON | TUE | WED | THU | FRI | |
|---|---|---|---|---|---|
| JUL 29 | JUL 30 | JUL 31 | AUG 01 | AUG 02 | |
| MEAN HEAT INDEX | 68 F | 70 F | 72 F | 75 F | 76 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 % | 2 % |
| 85 F | 0 % | 0 % | 0 % | 3 % | 8 % |
| 80 F | 1 % | 2 % | 4 % | 18 % | 27 % |
| 75 F | 10 % | 14 % | 27 % | 51 % | 57 % |
| 70 F | 34 % | 51 % | 70 % | 84 % | 83 % |