UPDATE: The National Weather Service issued a tornado warning for Grant County just after 3 p.m., based upon radar rotation as well as numerous spotter reports of a funnel cloud and possible touchdowns west and northwest of Lancaster.
The cell crept slowly in a northwesterly direction at 5-10 mph, prompting several additional warnings through 4:31 p.m. when the National Weather Service determined that the storm had weakened and no longer posed a significant threat.
No damage or injuries have been reported.
Several funnel clouds have been reported near Lancaster, Wis., Saturday afternoon as tornado warnings and watches cover the area.
According to the Lancaster Fire Department Facebook page, a possible tornado was reported one mile west of Lancaster at around 3:20 p.m. Saturday. The post told residents of Lancaster, Fennimore, and Stitzer to take cover.
Dubuque, Delaware, Grant and Jo Daviess counties are all under a tornado watch until 8 p.m. Saturday.