Heat in Marquette, Wisconsin

Heat June 21, 2025 – June 23, 2025 · Marquette, Wisconsin

What the National Weather Service wrote

Maximum heat index values of 97-105 degrees Fahrenheit and minimums in the middle to upper 70s.

The wider storm

Persistent southwest winds pumped hot and humid air into southern WI for a 3 day period. Heat index values rose into the 100s during the day and only dropped into the 70s at night. Cooling centers were opened in urban areas.

Source: NOAA Storm Events Database, event 1259436. Narratives are written by the National Weather Service forecast office that issued the report.

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