As of 4:27 PM CDT on April 28, 2026, all 8 cities in Kendall County, IL in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Yorkville, IL with a reading of 3.
Over the next 24 hours, the highest UV Index reading in Kendall County, IL is expected to be 4.4 in Oswego between 11:00 AM - 12:00 PM CDT tomorrow.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |