DeKalb County, IL: Current UV Index and Hourly Forecast

As of 5:48 PM CDT on July 16, 2025, out of 13 cities in DeKalb County, IL in our database, 12 cities (92%) have a UV Index reading of Moderate, while 1 city (8%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Shabbona, IL with a reading of 2.6.

Over the next 24 hours, the highest UV Index reading in DeKalb County, IL is expected to be 6.4 in Sandwich between 2:00 PM - 3:00 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 5:48 PM CDT, July 16, 2025

Current UV Index in Cities in DeKalb County, IL

5:48 PM CDT, July 16, 2025