* WHAT...Sub-freezing temperatures in the 20s in western Kansas and lower 30s in south central Kansas.
* WHERE...Portions of central, south central, southwest, and west central Kansas.
* WHEN...From 1 AM CDT /midnight MDT/ to 9 AM CDT /8 AM MDT/ Saturday.
* IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.