Active Weather Alerts
Frost Advisory
Issued: 5:54 PM Sep. 13, 2026 – National Weather Service
...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT MONDAY... * WHAT...Temperatures as low as the lower to middle 30s 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. * ADDITIONAL DETAILS...Some of the typical colder spots may drop to around freezing for a couple hours around sunrise Monday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. &&
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