As of 2:29 PM CDT on May 21, 2026, out of 8 cities in Coles County, IL in our database, 6 cities (75%) have a UV Index reading of High, 1 city (13%) have a UV Index reading of Very High, while 1 city (13%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Ashmore, IL with a reading of 8.1.
Over the next 24 hours, the highest UV Index reading in Coles County, IL is expected to be 8.1 in Ashmore between 2:00 PM - 3:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |