De Witt County, IL: Current UV Index and Hourly Forecast

As of 4:13 PM CDT on October 8, 2025, all 8 cities in De Witt County, IL in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Clinton, IL with a reading of 1.8.

Over the next 24 hours, the highest UV Index reading in De Witt County, IL is expected to be 4.8 in Clinton between 1:00 PM - 2:00 PM CDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in De Witt County, IL as of 4:13 PM CDT, October 8, 2025

Current UV Index in Cities in De Witt County, IL

4:13 PM CDT, October 8, 2025