Milwaukee

Milwaukee Heat Index to Hit 110 Degrees, NWS Issues Extreme Heat Warning for Kenosha, Milwaukee, and Racine Counties

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Published on June 22, 2025
Milwaukee Heat Index to Hit 110 Degrees, NWS Issues Extreme Heat Warning for Kenosha, Milwaukee, and Racine CountiesSource: Google Street View

The National Weather Service in Milwaukee has issued a dire warning for residents as an extreme heatwave continues to scorch the area. According to the NWS Milwaukee, heat index values—the perceived temperature considering both heat and humidity—are expected to peak between 105 and 110 degrees in Kenosha, Milwaukee, and Racine Counties, a condition that will persist until 7 PM CDT Monday. The weather authority stresses the heightened risk for heat-related illnesses.

Amid the stifling temperatures, Milwaukee and its neighboring counties remain under an extreme heat warning. "Heat related illnesses increase significantly during extreme heat and high humidity events," states the NWS message, urging the public to take necessary precautions. Residents are advised to drink plenty of water, seek air-conditioned environments, and restrict outdoor activities to cooler early morning or evening hours. The warning comes with an urgent call to check on vulnerable populations including the elderly and to never leave children or pets in unattended vehicles, where temperatures can become lethal rapidly.

The current hazardous weather outlook for the region, which extends from today through next Saturday, also forecasts a moderate swim risk for Sheboygan and Ozaukee Counties starting this afternoon through tonight. Furthermore, the area braces for potential thunderstorms which are possible from Monday to Thursday, escalating chances of showers and storms with each passing day.

Not only the heatwave but also the thunderstorms pose concerns. "There are chances for thunderstorms at times Monday through Thursday," an NWS release outlines, an element of unpredictability amidst the swelter of the season. Spotter activation, which involves trained volunteers reporting severe weather, will not be needed during this period, the NWS clarifies. Though the service assures no need for spotters, locals are encouraged to remain vigilant and informed on weather developments.

Precautionary measures consistently underscored by health officials highlight the importance of keeping well-hydrated, minimizing exposure to the sun, and donning appropriate attire—lightweight and loosely fitting clothing remains the advised choice in such severe heat. The NWS diligently updates the local community with the latest weather developments and safety advice during these sweltering days, a stark reminder of nature's relentless force.