Union County, IL: Current UV Index and Hourly Forecast

As of 8:40 AM CDT on August 26, 2025, all 6 cities in Union County, IL in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Anna, IL with a reading of 0.7.

Over the next 24 hours, the highest UV Index reading in Union County, IL is expected to be 8 in Dongola between 1:00 PM - 2:00 PM CDT today.

Search Cities in Union County, IL

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Union County, IL as of 8:40 AM CDT, August 26, 2025

Current UV Index in Cities in Union County, IL

8:40 AM CDT, August 26, 2025