As of 3:34 PM CDT on April 28, 2026, out of 14 cities in Story County, IA in our database, 12 cities (86%) have a UV Index reading of Moderate, while 2 cities (14%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Story City, IA with a reading of 2.8.
Over the next 24 hours, the highest UV Index reading in Story County, IA is expected to be 6.1 in Ames 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 |