UV Index Today in Winnebago County, Illinois (IL)

The average maximum UV Index today across 28 locations in Winnebago County, Illinois (IL), is 4.4. The highest projected maximum is 5.9 in Lake Summerset at 2:00 PM CDT, while the lowest projected maximum is 3.5 in Davis Junction at 4:00 PM CDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 8.1. The highest projected maximum is 8.2 in Winnebago at 1:00 PM CDT, and the lowest projected maximum is 8.1 in Rockford at 1:00 PM CDT.