As of 3:16 PM CDT on June 18, 2026, out of 10 cities in Clay County, IA in our database, 5 cities (50%) have a UV Index reading of Moderate, while 5 cities (50%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Royal, IA with a reading of 3.
Over the next 24 hours, the highest UV Index reading in Clay County, IA is expected to be 7.1 in Webb between 12:00 PM - 1:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |