Heat Advisory

Locations Affected

Marenisco, MI ∙ Covington, MI ∙ Lake Michigamme, MI ∙ Princeton, MI ∙ Saint Martin Island, MI ∙ Watersmeet, MI ∙ Amasa, MI ∙ Loretto, MI ∙ Perronville, MI ∙ Garden, MI

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Marquette MI 154 PM EDT Tue Jun 30 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ THIS EVENING... * WHAT...Heat index values up to 105. * WHERE...Portions of central Upper and western Upper Michigan. * WHEN...Until 8 PM EDT /7 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 if possible, stay out of the sun, and check up on relatives and neighbors. 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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