Heat — Ozaukee, Wisconsin

2025-06-21 to 2025-06-23 · Ozaukee, Wisconsin

Event narrative

Maximum heat index values of 100-104 degrees Fahrenheit. Minimum heat index values in the middle to upper 70s away from Lake Michigan.

Wider weather episode

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_id 1259444. Narrative written by the NWS forecast office that issued the report.