St. Clair County, IL: Current UV Index and Hourly Forecast

As of 3:35 AM CST on November 21, 2024, all 32 cities in St. Clair 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 St. Clair County, IL is expected to be 2.4 in Belleville between 12:00 PM - 1:00 PM CST today.

Search Cities in St. Clair County, IL

UV Index Risk Levels
Range 0 - 23 - 56 - 78 - 1011+
Color
Risk LowModerateHighVery HighExtreme
UV Index in St. Clair County, IL as of 3:35 AM CST, November 21, 2024

Current UV Index in Cities in St. Clair County, IL

3:35 AM CST, November 21, 2024