NEW : The Wisconsin River at Portage is expected to flood again Tuesday morning . The levee on the Wisconsin River has now failed , according to a local construction worker . The entire drainage system is under pressure after heavy rainfall last night . CNN 's Don Lemon and Rob Marciano contributed to this report . Flooding is expected to continue over the next few days .
NEW : The Wisconsin River at Portage is expected to flood again Tuesday morning . The levee on the Wisconsin River has now failed , according to a local construction worker . The entire drainage system is under pressure after heavy rainfall last night . Flooding is expected to continue over the next few days .