Active AlertsSouthern Lake/North Shore

What: Temperatures as low as 31 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 Lac Courte Oreilles Reservation, the Grand Portage Reservation, the northwestern area of the Lac du Flambeau Band, the Red Cliff Band and the Bad River Reservation. Other locations including the Apostle Islands National Lakeshore and Madeline Island. This also includes the Boundary Waters eastern and central area.
When: Until 7 AM CDT this morning.
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.