The table below gives the MAXIMUM heat index forecast for days 3 through 7 at GREAT_FALLS_MT.
| THU | FRI | SAT | SUN | MON | |
|---|---|---|---|---|---|
| JUL 17 | JUL 18 | JUL 19 | JUL 20 | JUL 21 | |
| MAXIMUM HEAT INDEX | 80 F | 78 F | 85 F | 83 F | 81 F |
| PROBABILITY OF MAXIMUM HEAT INDEX EXCEEDING: | |||||
| 115 F | 0 % | 0 % | 0 % | 0 % | 0 % |
| 110 F | 0 % | 0 % | 0 % | 0 % | 0 % |
| 105 F | 0 % | 0 % | 0 % | 0 % | 0 % |
| 100 F | 0 % | 0 % | 1 % | 0 % | 1 % |
| 95 F | 2 % | 0 % | 5 % | 3 % | 5 % |
| 90 F | 8 % | 1 % | 21 % | 13 % | 15 % |
| 85 F | 24 % | 8 % | 50 % | 39 % | 33 % |
| 80 F | 50 % | 33 % | 79 % | 71 % | 56 % |