Active AlertsPetersburg, MI

Take steps now to protect tender plants from the cold.

* WHAT...Temperatures in the lower 30s will result in frostformation.* WHERE...Bay, Huron, Lenawee, Macomb, Monroe, Sanilac, St. Clair,and Wayne Counties.* WHEN...From 1 AM to 8 AM EDT Friday.* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitiveoutdoor plants may be killed if left uncovered.