More than 51,000 customers across southeast Wisconsin were left without power early Tuesday after a powerful line of overnight thunderstorms swept through the region, downing trees, snapping power lines and disrupting schools, according to utility data and local officials.
The storms, which intensified late Monday and moved rapidly across Milwaukee and surrounding counties, brought wind gusts of up to 60 mph and triggered multiple severe thunderstorm and tornado warnings overnight. While the warnings expired around 2:15 a.m., a broader severe weather watch remained in effect into the early morning hours, keeping residents on alert.
Milwaukee, Racine, Waukesha, Ozaukee and Walworth counties were among the hardest hit, with scattered reports of debris, blocked roads and infrastructure damage. By 2:15 a.m., outage numbers had climbed to nearly 57,000 before easing slightly by sunrise as crews began initial restoration efforts.
Storm damage disrupts schools and daily life
The widespread outages quickly spilled into public life. Pewaukee Schools announced a two-hour delay due to a campus-wide power outage, while Whitewater Unified School District also delayed classes after downed power lines left several buildings without electricity.
For many residents, the disruption began before dawn, with homes losing power overnight and limited visibility making it difficult to assess damage immediately. Downed trees and power lines in several neighborhoods forced road closures and raised safety concerns for morning commuters.
Utility provider We Energies urged customers to report outages through its website, mobile app or hotline, as crews worked to locate and repair damaged infrastructure across a wide service area.
More severe weather threat keeps pressure on recovery
Forecasters warned that the situation could worsen before improving. The same system responsible for the overnight damage was expected to redevelop later Tuesday, bringing renewed risks of damaging winds, isolated tornadoes and locally heavy rainfall.
According to the National Weather Service, storms were moving east at around 50 mph during the early morning hours, creating conditions capable of producing additional structural damage, tree loss and hazardous flying debris.
The continuing threat complicates recovery efforts. Utility crews often face delays when additional storms move through damaged areas, increasing the time needed to safely restore power. For residents, it also means preparing for potential repeat outages or worsening conditions.
Officials emphasized safety precautions as a priority. Residents were advised to stay at least 25 feet away from downed power lines, assume all wires are live, and rely on flashlights rather than candles. Keeping refrigerator and freezer doors closed and checking on vulnerable neighbors were also highlighted as essential steps during extended outages.
The overnight storms highlight how quickly severe spring weather in the Midwest can escalate into widespread disruption. While individual warnings may expire, the broader risk often lingers, leaving communities balancing cleanup efforts with the possibility of another round of dangerous conditions later the same day.
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