Cass County, IL: Current UV Index and Hourly Forecast

As of 11:34 AM CDT on September 18, 2025, all 5 cities in Cass County, IL in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Ashland, IL with a reading of 4.5.

Over the next 24 hours, the highest UV Index reading in Cass County, IL is expected to be 6.5 in Ashland 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 Cass County, IL as of 11:34 AM CDT, September 18, 2025

Current UV Index in Cities in Cass County, IL

11:34 AM CDT, September 18, 2025