UV Index Today in Will County, Illinois (IL)

The average maximum UV Index today across 77 locations in Will County, Illinois (IL), is 6. The highest projected maximum is 6.3 in Joliet at 1:00 PM CDT, while the lowest projected maximum is 5.4 in Frankfort at 12:00 PM CDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 7.2. The highest projected maximum is 7.3 in Aurora at 1:00 PM CDT, and the lowest projected maximum is 7.1 in Washington at 1:00 PM CDT.