* WHAT...Sub-freezing temperatures as low as 28 degrees are expected tonight and Saturday night.
* WHERE...Portions of central, east central, north central, northeast, northwest, and west central Mississippi.
* WHEN...Subfreezing temperatures are likely from midnight Tonight to 8 AM CST Saturday and then again from midnight Saturday Night to 8 AM CST Sunday.
* IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.