Marion County, IL: Current UV Index and Hourly Forecast

As of 2:59 PM CDT on April 20, 2025, out of 13 cities in Marion County, IL in our database, 12 cities (92%) have a UV Index reading of High, while 1 city (8%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Iuka, IL with a reading of 6.6.

Over the next 24 hours, the highest UV Index reading in Marion County, IL is expected to be 6.6 in Iuka between 2:00 PM - 3:00 PM CDT today.

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 2:59 PM CDT, April 20, 2025

Current UV Index in Cities in Marion County, IL

2:59 PM CDT, April 20, 2025