Hamilton County, IL: Current UV Index and Hourly Forecast

As of 3:01 PM CDT on August 7, 2025, all 5 cities in Hamilton County, IL in our database have a UV Index reading of High. The city with the highest UV Index reading right now is McLeansboro, IL with a reading of 6.5.

Over the next 24 hours, the highest UV Index reading in Hamilton County, IL is expected to be 9.1 in McLeansboro 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 Hamilton County, IL as of 3:01 PM CDT, August 7, 2025

Current UV Index in Cities in Hamilton County, IL

3:01 PM CDT, August 7, 2025