As of 8:02 AM CDT on July 31, 2026, all 13 cities in Henry County, IA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Winfield, IA with a reading of 0.3.
Over the next 24 hours, the highest UV Index reading in Henry County, IA is expected to be 2.8 in Winfield between 11:00 AM - 12:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |