Jersey County, IL: Current UV Index and Hourly Forecast

As of 10:15 AM CDT on June 21, 2026, out of 6 cities in Jersey County, IL in our database, 3 cities (50%) have a UV Index reading of Moderate, while 3 cities (50%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Jerseyville, IL with a reading of 2.6.

Over the next 24 hours, the highest UV Index reading in Jersey County, IL is expected to be 2.9 in Jerseyville between 5:00 PM - 6:00 PM CDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Jersey County, IL as of 10:15 AM CDT, June 21, 2026

Current UV Index in Cities in Jersey County, IL

10:15 AM CDT, June 21, 2026