Freeze Warning issued October 17 at 2:23AM CDT until October 18 at 9:00AM CDT by NWS

...FREEZE WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM CDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 23 expected. * WHERE...Portions of south central, southwest, and west central Illinois. Portions of central, east central, northeast, and southeast Missouri.