MILWAUKEE — Southeast Wisconsin is under a Flood Watch as a storm system brings rounds of heavy rain Saturday, raising the risk of flooded streets, poor drainage and rising waterways across the region. Rainfall totals are expected to reach 1 to 3 inches, with locally higher amounts possible where storms repeatedly track over the same areas. The heaviest downpours are forecast for early Saturday morning, followed by a possible short break before rain and thunderstorms return during the afternoon and continue into the night. The watch remains in effect through Saturday afternoon in northern counties and through Saturday evening in southern counties. Residents should be prepared for rapidly changing travel conditions, especially in low-lying areas and places where drainage is limited. Anyone heading out for weekend events, including the Badgers football game, should plan for wet conditions and bring rain gear. Drivers should never attempt to cross a flooded roadway; turning around is safer than risking a vehicle being swept into deeper water. The threat is expected to vary across the region, depending on where the heaviest storm bands develop. Even areas that avoid the highest rainfall totals could see temporary street flooding during intense downpours.