...FREEZE WARNING IN EFFECT FROM 2 AM TO 8 AM PDT SUNDAY...

* WHAT...Sub-freezing temperatures as low as 29 expected.

* WHERE...Central Siskiyou County, including the Shasta and Scott valleys.

* WHEN...From 2 AM to 8 AM PDT Sunday.

* IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.