Heat Advisory

Locations Affected

Sidnaw, MI ∙ Copper City, MI ∙ Copper Harbor, MI ∙ Government Peak, MI ∙ Gaastra, MI ∙ Abbaye Peninsula, MI ∙ National Mine, MI ∙ Bruce Crossing, MI ∙ Hancock Houghton County Airport, MI ∙ Iron Mountain Ford Airport, MI

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Marquette MI 557 AM EDT Sun Jul 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON EDT /11 AM CDT/ TODAY TO 9 PM EDT /8 PM CDT/ THIS EVENING... * WHAT...Heat index values from 95 to 102 expected. * WHERE...Baraga, Dickinson, Iron, Marquette, Gogebic, Keweenaw, Northern Houghton, Ontonagon, and Southern Houghton Counties. * WHEN...From noon EDT /11 AM CDT/ today to 9 PM EDT /8 PM CDT/ this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. 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. 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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

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