Frost Advisory issued September 13 at 3:26AM CDT until September 14 at 8:00AM CDT by NWS Duluth MN
Issue date: 2026-09-13T08:26+00:00
* WHAT...Temperatures as low as 35, in combination with light winds and mostly clear skies, will result in frost formation. * WHERE...Koochiching, North Itasca, Central St. Louis, North St. Louis, and Northern Cook and Lake Counties. * WHEN...From midnight tonight to 8 AM CDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
