Frost Advisory issued May 21 at 9:53PM CDT until May 22 at 9:00AM CDT by NWS Duluth MN

* WHAT…Temperatures as low as 33 will result in frost formation.

* WHERE…In Minnesota, Crow Wing, Aitkin, Pine, Koochiching, Cass,
Itasca, Carlton, St. Louis, Cook and Lake Counties. In Wisconsin,
Price, Ashland, Bayfield, Burnett, Douglas, Iron, Sawyer, and
Washburn Counties. This includes the Tribal Lands of the Fond du
Lac Band, the northwestern area of the Lac du Flambeau Band, the
Lac Courte Oreilles Reservation, the Red Cliff Band, the St. Croix
Band in Burnett County, the Grand Portage Reservation, the Bad
River Reservation, the Mille Lacs Band, East Lake, Hinckley, Lena
Lake and, Big Sandy Lake areas and the Bois Forte Band, Lake
Vermilion, Deer Creek and, Nett Lake areas. Other locations
including Voyageurs National Park, the Apostle Islands National
Lakeshore and Madeline Island. The entire Boundary Waters is also
included.

* WHEN…From 1 AM to 9 AM CDT Thursday.

* IMPACTS…Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.