Frost Advisory issued October 16 at 3:25AM CDT until October 16 at 9:00AM CDT by NWS St Louis MO

* WHAT...Temperatures as low as 33 will result in frost formation.

* WHERE...Portions of south central and southwest Illinois and east
central and southeast Missouri.

* WHEN...Until 9 AM CDT this morning.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.