Freeze Watch issued April 6 at 1:21PM CDT until April 8 at 9:00AM CDT by NWS St Louis MO

* WHAT...Sub-freezing temperatures as low as 23 possible. * WHERE...Portions of south central, southwest, and west central Illinois and east central and northeast Missouri. * WHEN...From late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.