Winnebago County, IL: Current UV Index and Hourly Forecast

As of 8:20 PM CDT on October 15, 2025, all 13 cities in Winnebago 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 Winnebago County, IL is expected to be 4.4 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 8:20 PM CDT, October 15, 2025

Current UV Index in Cities in Winnebago County, IL

8:20 PM CDT, October 15, 2025