UV Index Today in Winnebago County, Illinois (IL)

The average maximum UV Index today across 28 locations in Winnebago County, Illinois (IL), is 5.1. The highest projected maximum is 5.7 in Rockford at 12:00 PM CDT, while the lowest projected maximum is 4.3 in Lake Summerset 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 7.5 in Beloit at 1:00 PM CDT, and the lowest projected maximum is 6.9 in Rockford at 1:00 PM CDT.