Extreme heat is expected in Winnebago County from Wednesday, August 23 through Thursday night, August 24. The National Weather Service predicts heat that feels like 110° to 115°, with heat staying around in the evening hours. When heat is this extreme, the risk of severe heat illness and death from heat are more likely.
Health Department News
Hantavirus Update
On May 12, it was reported that a Winnebago County Health Department resident was being tested for a potential case of Hantavirus. Confirmatory testing conducted
May 18, 2026
