The table below gives the MAXIMUM heat index forecast for days 3 through 7 at WASHINGTON_DC.
| SAT | SUN | MON | TUE | WED | |
|---|---|---|---|---|---|
| JUL 18 | JUL 19 | JUL 20 | JUL 21 | JUL 22 | |
| MAXIMUM HEAT INDEX | 103 F | 93 F | 91 F | 97 F | 91 F |
| PROBABILITY OF MAXIMUM HEAT INDEX EXCEEDING: | |||||
| 115 F | 10 % | 0 % | 0 % | 3 % | 0 % |
| 110 F | 23 % | 1 % | 0 % | 9 % | 1 % |
| 105 F | 41 % | 4 % | 2 % | 20 % | 3 % |
| 100 F | 62 % | 15 % | 8 % | 37 % | 12 % |
| 95 F | 79 % | 36 % | 25 % | 58 % | 29 % |
| 90 F | 91 % | 64 % | 53 % | 76 % | 53 % |
| 85 F | 97 % | 85 % | 79 % | 89 % | 76 % |
| 80 F | 99 % | 96 % | 94 % | 96 % | 91 % |