UPDATE:
The National Weather Service says a strong tornado moved through Iowa County Tuesday afternoon. It touched down around 5:35pm nearly 3 miles northeast of Williamsburg.
The tornado is officially classified as an EF-1 on the Enhanced Fujita scale. It packed winds of 105 miles an hour, with a damage path that was 60 yards wide and nearly 5 miles long.
NWS teams say the tornado dissipated around 5:54pm about 2 miles southeast of South Amana.
Damage was mostly to trees and crops along the path. Two houses had damage to windows and siding. A farm outbuilding lost part of its roof...another was partially destroyed.
There were no reports of injuries.
SCROLL DOWN FOR MORE VIDEO and PHOTOS from Iowa Storm Chasing Network and KCRG TV.
A tornado was also reported near I-80 at Williamsburg, about six miles south of Conroy, near the Tanger Outlet Shopping Mall (above).
There were also heavy storms near Dubuque. Four-to-eight inches of rain fell in the area, causing flash-flooding in the cities of Durango and Holy Cross. Storms also packed high winds and caused a lot of tree damage.