Winnebago County, IL: Current UV Index and Hourly Forecast

As of 5:17 PM CDT on October 5, 2025, all 13 cities in Winnebago County, IL in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Rockford, IL with a reading of 0.7.

Over the next 24 hours, the highest UV Index reading in Winnebago County, IL is expected to be 4.6 in Rockford 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 Winnebago County, IL as of 5:17 PM CDT, October 5, 2025

Current UV Index in Cities in Winnebago County, IL

5:17 PM CDT, October 5, 2025