⚠️ Heat Advisory – Koochiching; North St. Louis; Northern Cook/Northern Lake; North Itasca; Central St. Louis; North Cass; South Itasca; Northern Aitkin; Carlton/South St. Louis – Friday, July 10, 2026

Heat Advisory issued July 10 at 1:00PM CDT until July 11 at 9:00PM CDT by NWS Duluth MN

Details

* WHAT…For the Heat Advisory, heat index values of 90 to 95
expected. For the Extreme Heat Watch, dangerously hot conditions
with heat index values up to 101 possible.

* WHERE…Northern Aitkin, Koochiching, North Cass, Itasca, Carlton,
St. Louis, and Northern Cook and Lake Counties. This includes the
Tribal Lands of the Mille Lacs Band, Big Sandy Lake area, the Fond
du Lac Band and the Bois Forte Band, Lake Vermilion, Nett Lake
and, Deer Creek areas. Other locations including Voyageurs
National Park. The entire Boundary Waters is also included.

* WHEN…For the Heat Advisory, from 11 AM to 9 PM CDT Saturday. For
the Extreme Heat Watch, from Sunday morning through Sunday evening.

* IMPACTS…Heat related illnesses increase significantly during
extreme heat and high humidity events. Hot temperatures and high
humidity may cause heat illnesses.

Instructions

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.