LaSalle County, IL: Current UV Index and Hourly Forecast

As of 2:25 PM CDT on April 1, 2025, out of 30 cities in LaSalle County, IL in our database, 26 cities (87%) have a UV Index reading of Moderate, while 4 cities (13%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Seneca, IL with a reading of 3.5.

Over the next 24 hours, the highest UV Index reading in LaSalle County, IL is expected to be 3.5 in Seneca between 2:00 PM - 3:00 PM CDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in LaSalle County, IL as of 2:25 PM CDT, April 1, 2025

Current UV Index in Cities in LaSalle County, IL

2:25 PM CDT, April 1, 2025