Active AlertsSouthern Cook/North Shore

What: Temperatures as low as 33 will result in frost formation.
Where: In Minnesota, Cook and Lake Counties. In Wisconsin, Price, Ashland, Bayfield, Iron, and Sawyer Counties. This includes the Tribal Lands of the northwestern area of the Lac du Flambeau Band, the Grand Portage Reservation, the Red Cliff Band, the Bad River Reservation and the Lac Courte Oreilles Reservation. Other locations including the Apostle Islands National Lakeshore and Madeline Island. This also includes the Boundary Waters eastern and central area.
When: From 1 AM to 7 AM CDT Thursday.
Impacts: Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.