UV Index Today in Winnebago County, Illinois (IL)

The average maximum UV Index today across 28 locations in Winnebago County, Illinois (IL), is 9.7. The highest projected maximum is 9.8 in Winnebago at 1:00 PM CDT, while the lowest projected maximum is 9.6 in Beloit at 1:00 PM CDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 9.5. The highest projected maximum is 9.7 in Lake Summerset at 1:00 PM CDT, and the lowest projected maximum is 9.3 in Beloit at 1:00 PM CDT.