As of 7:21 PM CDT on September 18, 2025, all 23 cities in Vermilion 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 Vermilion County, IL is expected to be 5.4 in Hoopeston 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 |