DeKalb County, IL: Current UV Index and Hourly Forecast

As of 10:51 PM CDT on August 28, 2025, all 13 cities in DeKalb 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 DeKalb County, IL is expected to be 7.4 in Shabbona 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 DeKalb County, IL as of 10:51 PM CDT, August 28, 2025

Current UV Index in Cities in DeKalb County, IL

10:51 PM CDT, August 28, 2025