A flash flood warning was issued by the National Weather Service in Milwaukee-Sullivan at 7:12 p.m. on Monday, Aug. 18.

The National Weather Service has issued a Flash Flood Warning for southern Walworth County until 10:45 p.m. Monday.

Hurricane Erin strengthened back into a Category 4 storm as U.S. officials warned of dangerous rip currents this week.

National Weather Service issues severe thunderstorm watch for multiple Wisconsin counties until 6 p.m., with heavy rain and lightning expected. Second round of storms likely during evening commute.

Forecasters say southeastern Wisconsin is facing severe storms, flooding risks, and life-threatening waves today.

U.S. shores are unlikely to see a direct hit, but a strong offshore hurricane can produce massive and dangerous waves well away from its center.

Aug. 18 is really the last time this week Wisconsin could see heavy rainfall before the sun returns, bringing beautiful ...