During the last 12 hours the minimum air temperature ( +4 oC +39 oF ) was observed in Winnebago in Rockford, Greater Rockford (airport).
During the last 12 hours the minimum air temperature ( +4 oC +39 oF ) was observed in Cook County in Chicago / O'Hare (airport).
During the last 12 hours the maximum air temperature ( +21 oC +70 oF ) was observed in Cook County in Chicago / O'Hare (airport).
