Frost Advisory issued September 21 at 12:59PM CDT until September 22 at 8:00AM CDT by NWS Duluth MN
WHAT: Temperatures as low as 34 will result in frost formation.
WHERE: In Minnesota, Crow Wing, Northern Aitkin, Pine, South
Aitkin, Koochiching, North Cass, North Itasca, South Itasca,
Carlton and South St. Louis, Central St. Louis, North St. Louis,
and Northern Cook and Lake Counties. In Wisconsin, Price, Ashland,
Bayfield, Burnett, Douglas, Iron, Sawyer, and Washburn Counties.
WHEN: From midnight tonight to 8 AM CDT Tuesday.
IMPACTS: Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
ADDITIONAL DETAILS: Advisory is for inland areas away from Lake
Superior.
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Take steps now to protect tender plants from the cold.