000 SXUS73 KLOT 242140 RERORD RECORD EVENT REPORT NATIONAL WEATHER SERVICE CHICAGO IL 0433 PM CDT TUE OCT 24 2023 ...RECORD HIGH TEMPERATURE SET AT CHICAGO-OHARE... A RECORD HIGH TEMPERATURE OF 83 WAS SET AT CHICAGO-OHARE TODAY. THIS TIES THE OLD RECORD OF 83 SET IN 1963. $$