⚠️ Heat Advisory – North St. Louis; Northern Cook/Northern Lake; Southern Lake/North Shore; Southern Cook/North Shore – Saturday, July 25, 2026

Heat Advisory issued July 25 at 11:52AM CDT until July 26 at 9:00PM CDT by NWS Duluth MN

Details

* WHAT…Heat index values up to 95 expected.

* WHERE…North St. Louis, Cook and Lake Counties. This includes the
Tribal Lands of the Bois Forte Band, Nett Lake area and the Grand
Portage Reservation. Other locations including Voyageurs National
Park. The entire Boundary Waters is also included.

* WHEN…From 11 AM to 9 PM CDT Sunday.

* IMPACTS…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.