As of 10:14 AM CDT on May 13, 2026, out of 22 cities in Bureau County, IL in our database, 17 cities (77%) have a UV Index reading of Moderate, while 5 cities (23%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Sheffield, IL with a reading of 3.7.
Over the next 24 hours, the highest UV Index reading in Bureau County, IL is expected to be 6.8 in Sheffield 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 |