Headline:
Extreme Heat Warning issued July 12 at 1:44PM CDT until July 14 at 1:00AM CDT by NWS Duluth MN
Event:
Extreme Heat Warning
Urgency:
Expected
Effective:
July 12, 2026 - 11:44am
Expires:
July 13, 2026 - 2:00am
Description:
* WHAT...Dangerously hot conditions with heat index values up to 100.
* WHERE...In Minnesota, Crow Wing, Aitkin, Pine, Koochiching, Cass,
Itasca, Carlton, St. Louis, Cook and Lake Counties. In Wisconsin,
Ashland, Bayfield, Burnett, Douglas, Iron, Sawyer, and Washburn
Counties. This includes the Tribal Lands of the Bad River
Reservation, the Fond du Lac Band, the Grand Portage Reservation,
the Lac Courte Oreilles Reservation, the Red Cliff Band, the
northwestern area of the Lac du Flambeau Band, the St. Croix Band
in Burnett County, the Mille Lacs Band, East Lake, Big Sandy Lake,
Hinckley and, Lena Lake areas and the Bois Forte Band, Deer Creek,
Lake Vermilion and, Nett Lake areas. Other locations including
Voyageurs National Park, Madeline Island and the Apostle Islands
National Lakeshore. The entire Boundary Waters is also included.
* WHEN...Until 1 AM CDT Tuesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
* ADDITIONAL DETAILS...Heat index values up to 108 expected in
northern Ashland and Bayfield Counties along the South Shore.
Little to no relief from the heat is possible Sunday night as
continued very warm heat indices in the 70s are forecast Sunday
night.
Instruction:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Area Description:
Koochiching; North St. Louis; Northern Cook/Northern Lake; North Itasca; Central St. Louis; Southern Lake/North Shore; Southern Cook/North Shore; North Cass; South Itasca; South Cass; Crow Wing; Northern Aitkin; South Aitkin; Carlton/South St. Louis; Pine; Douglas; Bayfield; Ashland; Iron; Burnett; Washburn; Sawyer
Forcast Office:
NWS Duluth MN
Sender: