Grundy County, IL: Current UV Index and Hourly Forecast

As of 12:43 PM CDT on May 12, 2025, out of 11 cities in Grundy County, IL in our database, 6 cities (55%) have a UV Index reading of High, while 5 cities (45%) have a UV Index reading of Very High. The city with the highest UV Index reading right now is Minooka, IL with a reading of 7.8.

Over the next 24 hours, the highest UV Index reading in Grundy County, IL is expected to be 7.8 in Minooka between 12:00 PM - 1:00 PM CDT today.

Search Cities in Grundy County, IL

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Grundy County, IL as of 12:43 PM CDT, May 12, 2025

Current UV Index in Cities in Grundy County, IL

12:43 PM CDT, May 12, 2025