alates: 22.05.2026, 00:00
juurde: 22.05.2026, 07:00

* WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...In Minnesota, Carlton, South and Central St. Louis, Cook and Lake Counties. In Wisconsin, Douglas County. This includes the Tribal Lands of the Bois Forte Band, Lake Vermilion area, the Fond du Lac Band and the Grand Portage Reservation. This also includes the Boundary Waters eastern and central area. * WHEN...From midnight tonight to 7 AM CDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.