Headline:
Extreme Heat Warning issued July 13 at 8:46PM CDT until July 14 at 9:00PM CDT by NWS Duluth MN
Event:
Extreme Heat Warning
Urgency:
Expected
Effective:
July 13, 2026 - 6:46pm
Expires:
July 14, 2026 - 7:00am
Description:
* WHAT...Very warm and humid tonight with low temperatures only in
the 70s. Dangerously hot conditions with heat index values up to
97 Tuesday.
* WHERE...Koochiching, Itasca, Central and North St. Louis, Cook and
Lake Counties. This includes the Tribal Lands of the Grand Portage
Reservation and the Bois Forte Band, Deer Creek, Nett Lake and,
Lake Vermilion areas. Other locations including Voyageurs National
Park. The entire Boundary Waters is also included.
* WHEN...Until 9 PM CDT Tuesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
Instruction:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
Area Description:
Koochiching; North St. Louis; Northern Cook/Northern Lake; North Itasca; Central St. Louis; Southern Lake/North Shore; Southern Cook/North Shore; South Itasca
Forcast Office:
NWS Duluth MN
Sender: