Mercer County, IL: Current UV Index and Hourly Forecast

As of 5:37 PM CST on February 22, 2025, all 15 cities in Mercer County, IL in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Mercer County, IL is expected to be 3.1 in Seaton between 12:00 PM - 1:00 PM CST tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Mercer County, IL as of 5:37 PM CST, February 22, 2025

Current UV Index in Cities in Mercer County, IL

5:37 PM CST, February 22, 2025