Marion County, IL: Current UV Index and Hourly Forecast

As of 7:14 PM CDT on August 7, 2025, all 13 cities in Marion County, IL in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Centralia, IL with a reading of 0.2.

Over the next 24 hours, the highest UV Index reading in Marion County, IL is expected to be 8.9 in Centralia between 1:00 PM - 2:00 PM CDT tomorrow.

Search Cities in Marion County, IL

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Marion County, IL as of 7:14 PM CDT, August 7, 2025

Current UV Index in Cities in Marion County, IL

7:14 PM CDT, August 7, 2025