Freeze Warning issued October 16 at 2:23PM CDT until October 18 at 9:00AM CDT by NWS

...FREEZE WARNING IN EFFECT FROM 9 PM MONDAY TO 9 AM CDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 18 expected. * WHERE...Portions of south central, southwest, and west central Illinois. Portions of central, east central, northeast, and southeast Missouri. * WHEN...From 9 PM Monday to 9 AM CDT Tuesday.