Frost Advisory

* WHAT...Temperatures dropping into the lower and mid 30s results in areas of frost late tonight and early Sunday morning.

* WHERE...Lapeer, Lenawee, Livingston, Macomb, Monroe, Oakland, Sanilac, St. Clair, Washtenaw, and Wayne Counties.

* WHEN...From 3 AM to 8 AM EDT Sunday.

* IMPACTS...Frost could harm temperature sensitive vegetation. Outdoor plants may be killed if left uncovered.

* ADDITIONAL DETAILS...A heavier frost is expected toward the Ohio border and outside of metro Detroit where the wind becomes calm. Southwest wind in the 5 to 15 mph range is a more reliable limiting factor for frost toward the Tri Cities.