As of 1:00 AM CDT on November 1, 2026, all 20 cities in Fulton County, IL in our database have a UV Index reading of 0, indicating no radiation from the sun.
Over the next 24 hours, the highest UV Index reading in Fulton County, IL is expected to be 1 in Avon between 10:00 AM - 11:00 AM CST today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |