But the National Weather Service then issued a tornado warning for Burnett County around 5:15 p.m. Rotation was observed east of Siren, though no tornado had yet been confirmed to have touched down.
The injured person was taken to a hospital, but there’s no condition report, Pierce County emergency manager Gary Brown said.
Other touchdowns were reported between 6:30 and 7 p.m. near Dover and Chester in Olmsted County, Minn.
With winds reaching 105 miles per hour, the tornado uprooted trees and destroyed homes and barns. Margraf said those touchdowns were brief and caused minimal tree damage. That warning was in effect until 5:30 p.m.
The National Weather Service and local officials are now working to confirm where tornadoes may have touched down.
“We’re seeing heavy rain and lightning strikes”, Hove said.
Janesville police and the Rock County Sheriff’s Office said they had about 60 storm-related incidents reported, including blown manhole covers, downed trees and lines and roads filled with rainwater.