⚠️ Extreme Heat Watch – Marquette; Green Lake; Fond Du Lac; Sauk; Columbia; Dodge; Washington; Iowa; Dane; Jefferson; Waukesha; Lafayette; Green; Rock; Walworth; Racine; Kenosha – Sunday, June 28, 2026

Extreme Heat Watch issued June 28 at 1:51AM CDT until June 30 at 8:00AM CDT by NWS Milwaukee/Sullivan WI

Details

* WHAT…Dangerously hot conditions with heat index values up to 105
degrees possible throughout the day Monday, with high humidity and
continued heat index values above 75 degrees throughout the
overnight hours into Tuesday morning.

* WHERE…Portions of east central, south central, and southeast
Wisconsin.

* WHEN…From Monday afternoon through Tuesday morning.

* IMPACTS…Heat related illnesses increase significantly during
extreme heat and high humidity events.

Instructions

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.