As of 10:51 AM CDT on April 13, 2026, out of 7 cities in Winnebago County, IA in our database, 5 cities (71%) have a UV Index reading of Moderate, while 2 cities (29%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Lake Mills, IA with a reading of 2.6.
Over the next 24 hours, the highest UV Index reading in Winnebago County, IA is expected to be 6.1 in Forest City between 1:00 PM - 2:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |