* WHAT...Temperatures as low as 35 will result in frost formation.
* WHERE...In Alabama, Butler, Conecuh, Crenshaw, Monroe, Wilcox, Choctaw, Clarke, and Washington Counties. In Mississippi, Wayne County.
* WHEN...From 2 AM to 7 AM CST Sunday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.