Marquette, Michigan – Storms are expected to redevelop across central and eastern Upper Michigan this afternoon, with a marginal risk of severe weather bringing potential strong winds and downpours to the region. At the same time, a dangerous stretch of heat and humidity is set to grip the state, with heat indices pushing into the 90s by Friday and continuing through the weekend.
According to the National Weather Service in Marquette, scattered showers and storms could pop up between 1 p.m. and 6 p.m., primarily affecting areas east of US-41 and south toward Escanaba. Any storm that forms could become briefly severe, with the greatest threat being isolated wind gusts and heavy rain. Lingering storms will taper off after sunset.
By Friday, sunshine and rising humidity will take center stage. Highs could reach the low 90s in Marquette, Iron Mountain, and Menominee, with heat index values feeling closer to 100° in some inland areas. Storms are expected to return Saturday night, pushing west to east.
Residents are urged to stay hydrated, limit outdoor activity during peak heat, and monitor local alerts as more advisories could be issued into the weekend.
Five Day Forecast for Marquette, Michigan:
- Thursday: Afternoon storms possible (20–40%), highs 77° to 87°
- Friday: Mostly sunny, hot and humid, highs 80° to 92°
- Saturday: Scattered storms late, highs 82° to 93°
- Sunday: Storm chances continue, highs 80° to 90°
- Monday: Cooler with decreasing humidity, highs 76° to 84°
