Lake County, IL: Current UV Index and Hourly Forecast

As of 6:52 AM CDT on June 29, 2025, all 55 cities in Lake County, IL in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Round Lake Beach, IL with a reading of 0.1.

Over the next 24 hours, the highest UV Index reading in Lake County, IL is expected to be 9.2 in Buffalo Grove 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 Lake County, IL as of 6:52 AM CDT, June 29, 2025

Current UV Index in Cities in Lake County, IL

6:52 AM CDT, June 29, 2025