Tornado may have also touched down in Big Bend
A tornado has been reported on the ground in Big Bend, moving east at 30 mph, according to the National Weather Service. Dangerous straight-line winds of 80 to 100 mph have also been reported.
A tornado warning is in effect in Waukesha County until 10 p.m.
Widespread power outages are reported in the Eagle and Fort Atkinson areas.