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Home Return to list Freeze Warning 0002 Issued by the Duluth Forecast Office
Action: New Issued At: 2026-05-21 02:14:18 275 WWUS73 KDLH 210714 NPWDLH URGENT - WEATHER MESSAGE National Weather Service Duluth MN 214 AM CDT Thu May 21 2026 MNZ012-020-021-WIZ003-004-211300- /O.UPG.KDLH.FR.Y.0005.000000T0000Z-260521T1300Z/ /O.NEW.KDLH.FZ.W.0002.260521T0714Z-260521T1300Z/ Northern Cook and Lake-Southern Lake-Southern Cook-Ashland-Iron- Including the cities of Silver Bay, Hurley, Grand Marais, Ashland, Two Harbors, and Isabella 214 AM CDT Thu May 21 2026 ...FREEZE WARNING IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 27. * WHERE...In Minnesota, Cook and Lake Counties. In Wisconsin, Ashland and Iron Counties. This includes the Tribal Lands of the northwestern area of the Lac du Flambeau Band, the Grand Portage Reservation and the Bad River Reservation. Other locations including Madeline Island. This also includes the Boundary Waters eastern and central area. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ MNZ019-037-WIZ001-002-008-009-211300- /O.CON.KDLH.FR.Y.0005.000000T0000Z-260521T1300Z/ Central St. Louis-Carlton and South St. Louis-Douglas-Bayfield- Sawyer-Price- Including the cities of Hibbing, Superior, Washburn, Duluth, Bayfield, Hayward, and Phillips 214 AM CDT Thu May 21 2026 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...Temperatures as low as 31 will result in frost formation. * WHERE...In Minnesota, Carlton and South and Central St. Louis Counties. In Wisconsin, Price, Bayfield, Douglas, and Sawyer Counties. This includes the Tribal Lands of the Lac Courte Oreilles Reservation, the Fond du Lac Band, the Bois Forte Band, Lake Vermilion area and the Red Cliff Band. Other locations including the Apostle Islands National Lakeshore. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information on Northland weather, visit www.weather. gov/duluth KML Action: Expired Issued At: 2026-05-21 07:59:42 567 WWUS73 KDLH 211259 NPWDLH URGENT - WEATHER MESSAGE National Weather Service Duluth MN 759 AM CDT Thu May 21 2026 MNZ012-020-021-WIZ003-004-211400- /O.EXP.KDLH.FZ.W.0002.000000T0000Z-260521T1300Z/ Northern Cook and Lake-Southern Lake-Southern Cook-Ashland-Iron- Including the cities of Silver Bay, Two Harbors, Hurley, Grand Marais, Ashland, and Isabella 759 AM CDT Thu May 21 2026 ...FREEZE WARNING WILL EXPIRE AT 8 AM CDT THIS MORNING... The threat has ended. $$ MNZ019-037-WIZ001-002-008-009-211400- /O.EXP.KDLH.FR.Y.0005.000000T0000Z-260521T1300Z/ Central St. Louis-Carlton and South St. Louis-Douglas-Bayfield- Sawyer-Price- Including the cities of Washburn, Hibbing, Bayfield, Superior, Duluth, Phillips, and Hayward 759 AM CDT Thu May 21 2026 ...FROST ADVISORY WILL EXPIRE AT 8 AM CDT THIS MORNING... Temperatures have warmed and frost is no longer expected. $$ For more information on Northland weather, visit www.weather. gov/duluth Wolfe | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||