![At 1:51 p.m. Monday, January 15, 2024, NWS Chicago O'Hare reported 0°F, but at 2:00 p.m. a thermometer in a vehicle that was parked in the sun without the engine running measured 26°F on the dashboard. Earlier Monday morning, the vehicle was idling with the heat on, and reached a temperature of 78°F at around 7:00 a.m. (CARDINAL NEWS)](https://www.arlingtoncardinal.com/wordpress/wp-content/uploads/2024/01/F2BDD681-CE8C-4BEE-8F2C-F25947A40319-326x245.jpeg)
McHenry County Measures Coldest Wind Chill in Chicagoland Overnight Sunday to Monday at -43°F
According to the NWS Office Chicago, the McHenry County Department of Transportation measured the coldest Wind Chill in Chicagoland overnight: -43°F at 4:10 a.m. Monday, January 15, 2024 in southwest McHenry County, 5 miles east […]