As of 4:18 PM CDT on June 24, 2026, out of 1027 cities in Iowa in our database, 721 cities (70%) have a UV Index reading of Moderate, while 306 cities (30%) have a UV Index reading of High. The city with the highest UV Index reading right now is Carter Lake, IA with a reading of 6.
Over the next 24 hours, the highest UV Index reading in Iowa is expected to be 8.3 in Dubuque 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 |