UV Index Forecast for St. Clair County, Illinois
Below is an interactive map of St. Clair County, il, USA. The markers on the map identify large, populated cities in St. Clair County. If you hover over a marker, it will display the city name and the current UV index. The color of the city markers also references the current UV risk level.
The city with the highest UV index this hour (6:00 pm) in St. Clair County, il is Swansea at 0.4. Today, the peak UV index for St. Clair County will be in Belleville, il around 1:00 pm at 7 (High). Over the next five days the peak UV index in St. Clair County will be 7 (High) and will occur on Thursday, April 25th in Belleville, il around 1:00 pm.
| Range | 1-2 | 3-5 | 6-7 | 8-10 | 11+ |
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |
Last Updated 50 minutes ago
UV Index Forecast by City in St. Clair County
Below is a list of cities in St. Clair County, il where we track and forecast the UV index. Click on a city name to get the current UV index, hourly UV index for the day and the next five days.