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Tropical Center

Extreme Heat Watch

Status

Event Continued Active alert

Start Time

Sun 06/22/2025 01:00 PM EDT

End Time

Sun 06/22/2025 08:00 PM EDT

Significance

Watch

Impacts

Moderate impact

Locations Affected

Duluth, MN ∙ International Falls, MN ∙ Henriette, MN ∙ Foxboro, WI ∙ Sturgeon Lake, MN ∙ Solon Springs, WI ∙ Virginia, MN ∙ Orienta, WI ∙ Shaw, MN ∙ Cornucopia, WI

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Duluth MN 301 PM CDT Thu Jun 19 2025 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING... * WHAT...Dangerously hot conditions with heat index values up to 100 possible. * WHERE...In Minnesota, Northern Aitkin, Koochiching, North Cass, Itasca, Carlton, St. Louis, and Northern Cook and Lake Counties. In Wisconsin, Ashland, Bayfield, Douglas, and Iron Counties. This includes the Tribal Lands of the Mille Lacs Band, Big Sandy Lake area, the Red Cliff Band, the Bad River Reservation, the Fond du Lac Band, the northwestern area of the Lac du Flambeau Band and the Bois Forte Band, Lake Vermilion, Nett Lake and, Deer Creek areas. Other locations including the Apostle Islands National Lakeshore, Voyageurs National Park and Madeline Island. The entire Boundary Waters is also included. * WHEN...From Sunday afternoon through Sunday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Technical Header

MNZ010>012-018-019-025-026-035-037-WIZ001>004-200815- /O.CON.KDLH.XH.A.0001.250622T1700Z-250623T0000Z/ Koochiching-North St. Louis-Northern Cook and Lake-North Itasca- Central St. Louis-North Cass-South Itasca-Northern Aitkin-Carlton and South St. Louis-Douglas-Bayfield-Ashland-Iron- Including the cities of Bigfork, Superior, Hurley, Duluth, Walker, Ashland, International Falls, Washburn, Hibbing, Bayfield, Ely, Isabella, Grand Rapids, and Hill City 301 PM CDT Thu Jun 19 2025