Active Weather Alerts
Extreme Heat Warning
Issued: 10:36 AM Jun. 29, 2026 – National Weather Service
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM CDT TUESDAY... * WHAT...Dangerously hot conditions with daytime heat index values up to 107 degrees today and Tuesday, with overnight heat index values tonight remaining in the upper 70s. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...From noon today to 7 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Heat index values along Lake Michigan will be a few degrees cooler today, but still expecting high heat index values immediately inland. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Stay cool, stay hydrated, stay informed. &&
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