As of 3:57 PM CDT on September 28, 2024, out of 32 cities in St. Clair County, IL in our database, 23 cities (72%) have a UV Index reading of Moderate, while 9 cities (28%) have a UV Index reading of Low. The city with the highest UV Index reading right now is East St. Louis, IL with a reading of 3.5.
Over the next 24 hours, the highest UV Index reading in St. Clair County, IL is expected to be 5 in Paderborn 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 |