Frost Advisory

Locations Affected

Duluth, MN ∙ Timms Hill, WI ∙ Mahtowa, MN ∙ Saginaw, MN ∙ Kelso Mountain, MN ∙ Cloverland, WI ∙ New Post, WI ∙ Loretta, WI ∙ Birch Hill, WI ∙ Hermantown, MN

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Duluth MN 938 PM CDT Sat May 24 2025 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY... * WHAT...Temperatures as low as 36 will result in frost formation. * WHERE...In Minnesota, Carlton, South and Central St. Louis, North Lake, and Cook Counties. In Wisconsin, Price, Ashland, Bayfield, Douglas, Iron, and Sawyer Counties. This includes the Tribal Lands of the northwestern area of the Lac du Flambeau Band, the Lac Courte Oreilles Reservation, the Bad River Reservation, the Grand Portage Reservation, the Red Cliff Band, the Bois Forte Band, Lake Vermilion area and the Fond du Lac Band. Other locations including Madeline Island and the Apostle Islands National Lakeshore. This also includes the Boundary Waters eastern and central area. * WHEN...From 1 AM to 8 AM CDT Sunday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold.

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