Weather Alerts For Lancaster, WI

# HEADLINE -------------------- EXTREME HEAT WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 9 PM CDT TUESDAY # DETAILS -------------------- WHAT Dangerously hot conditions with heat index values up to 109 expected. WHERE Portions of north central and northeast Iowa, southeast Minnesota and central, southwest and west central Wisconsin. WHEN From 8 AM this morning to 9 PM CDT Tuesday. IMPACTS Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. ISSUED AT Monday, June 29, 2026 at 12:50 AM CDT ISSUED BY Issued by National Weather Service Duluth MN HEADER URGENT - WEATHER MESSAGE | National Weather Service La Crosse WI # 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Stay cool, stay hydrated, stay informed. # AREAS AFFECTED -------------------- Buffalo, Clayton, Crawford, Adams, Allamakee, Chickasaw, Clark, Dodge, Fayette, Fillmore, Floyd, Grant, Houston, Howard, Jackson, Juneau, La Crosse, Mitchell, Monroe, Mower, Olmsted, Richland, Trempealeau, Vernon, Wabasha, Winneshiek, Winona Including the cities of Osage, Cresco, Decorah, Waukon, Charles City, New Hampton, Oelwein, Elkader, Wabasha, Dodge Center, Rochester, Winona, Austin, Preston, Caledonia, Neillsville, Alma, Arcadia, Whitehall, Black River Falls, La Crosse, Sparta, Tomah, Mauston, Friendship, Viroqua, Prairie Du Chien, Richland Center, and Platteville