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Midwest Heat Index Hits 109°F, Camps Canceled, UW-Madison Shuts Buildings

6/30/2026

39 5 Full Breakdown

Summary

Story summary

Temperatures in Iowa and nearby Midwestern states are expected to reach a heat index of 109 °F.
The heat wave canceled or delayed summer camps and outdoor events across the Midwest on Monday.
Officials opened cooling centers in Flint, Michigan, and urged residents to stay hydrated.
The University of Wisconsin-Madison closed 23 buildings after a cooling-plant water line broke, limiting access to 11.

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Story summary

Temperatures in Iowa and nearby Midwestern states are expected to reach a heat index of 109 °F.
The heat wave canceled or delayed summer camps and outdoor events across the Midwest on Monday.
Officials opened cooling centers in Flint, Michigan, and urged residents to stay hydrated.
The University of Wisconsin-Madison closed 23 buildings after a cooling-plant water line broke, limiting access to 11.