* WHAT...Sub-freezing temperatures as low as 30 expected.

* WHERE...Buttonwillow - Lost Hills - I5, Caruthers - San Joaquin - Selma, Delano-Wasco-Shafter, Hanford - Corcoran - Lemoore, Merced - Madera - Mendota, Planada - Le Grand - Snelling, South End San Joaquin Valley, Southeast San Joaquin Valley, Visalia - Porterville - Reedley, and West Side of Fresno and Kings Counties.

* WHEN...From 10 PM Monday evening to 10 AM PST Tuesday.

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