Marion County, IL: Current UV Index and Hourly Forecast

As of 11:32 AM CDT on May 12, 2025, out of 13 cities in Marion County, IL in our database, 8 cities (62%) have a UV Index reading of Moderate, while 5 cities (38%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Centralia, IL with a reading of 3.9.

Over the next 24 hours, the highest UV Index reading in Marion County, IL is expected to be 8 in Salem between 1:00 PM - 2:00 PM CDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Marion County, IL as of 11:32 AM CDT, May 12, 2025

Current UV Index in Cities in Marion County, IL

11:32 AM CDT, May 12, 2025