LaSalle County, IL: Current UV Index and Hourly Forecast

As of 1:19 PM CDT on May 12, 2025, out of 30 cities in LaSalle County, IL in our database, 21 cities (70%) have a UV Index reading of Very High, 8 cities (27%) have a UV Index reading of High, while 1 city (3%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Mendota, IL with a reading of 8.2.

Over the next 24 hours, the highest UV Index reading in LaSalle County, IL is expected to be 8.2 in Mendota between 1:00 PM - 2:00 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 1:19 PM CDT, May 12, 2025

Current UV Index in Cities in LaSalle County, IL

1:19 PM CDT, May 12, 2025