As of 3:51 PM EDT on August 17, 2026, out of 695 cities in Indiana in our database, 488 cities (70%) have a UV Index reading of High, 105 cities (15%) have a UV Index reading of Moderate, while 102 cities (15%) have a UV Index reading of Very High. The city with the highest UV Index reading right now is Terre Haute, IN with a reading of 7.8.
Over the next 24 hours, the highest UV Index reading in Indiana is expected to be 8.9 in Mount Vernon between 1:00 PM - 2:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |