314 WWUS73 KDLH 191909 NPWDLH URGENT - WEATHER MESSAGE National Weather Service Duluth MN 209 PM CDT Tue May 19 2026 MNZ010>012-018>021-025-026-033>037-200715- /O.NEW.KDLH.FZ.W.0001.260520T0500Z-260520T1300Z/ Koochiching-North St. Louis-Northern Cook and Lake-North Itasca- Central St. Louis-Southern Lake-Southern Cook-North Cass-South Itasca-South Cass-Crow Wing-Northern Aitkin-South Aitkin-Carlton and South St. Louis- Including the cities of Brainerd, Aitkin, Walker, Grand Rapids, Silver Bay, Hill City, Bigfork, Duluth, Ely, Hibbing, Pine River, Two Harbors, Grand Marais, International Falls, and Isabella 209 PM CDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM CDT WEDNESDAY... * WHAT...Sub-freezing temperatures as low as 29 expected. * WHERE...Crow Wing, Aitkin, Koochiching, Cass, Itasca, Carlton, St. Louis, Cook and Lake Counties. This includes the Tribal Lands of the Grand Portage Reservation, the Fond du Lac Band, the Mille Lacs Band, East Lake and, Big Sandy Lake areas and the Bois Forte Band, Deer Creek, Lake Vermilion and, Nett Lake areas. Other locations including Voyageurs National Park. The entire Boundary Waters is also included. * WHEN...From midnight tonight to 8 AM CDT Wednesday. * 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. && $$ MNZ038-WIZ001>004-006>009-200715- /O.NEW.KDLH.FR.Y.0004.260520T0800Z-260520T1300Z/ Pine-Douglas-Bayfield-Ashland-Iron-Burnett-Washburn-Sawyer-Price- Including the cities of Hurley, Spooner, Hayward, Bayfield, Superior, Phillips, Ashland, Pine City, Grantsburg, Hinckley, and Washburn 209 PM CDT Tue May 19 2026 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM CDT WEDNESDAY... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...In Minnesota, Pine County. In Wisconsin, Price, Ashland, Bayfield, Burnett, Douglas, Iron, Sawyer, and Washburn Counties. This includes the Tribal Lands of the Red Cliff Band, the Bad River Reservation, the St. Croix Band in Burnett County, the Lac Courte Oreilles Reservation, the northwestern area of the Lac du Flambeau Band and the Mille Lacs Band, Hinckley and, Lena Lake areas. Other locations including the Apostle Islands National Lakeshore and Madeline Island. * WHEN...From 3 AM to 8 AM CDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ For more information on Northland weather, visit www.weather. gov/duluth LE