Wisconsin tornado: Massive twister rips through Madison, Sauk City, Monticello, and Prairie du Sac; videos surface

A tornado hit Dane County, WI, moving NE at 30 mph from Mazomanie to Sauk City. Monticello and Prairie du Sac are also under threat, per NWS.

A tornado touched down in Wisconsin's Dane County on Wednesday morning and was moving northeast with a speed of 30 mph, the National Weather Service confirmed.

Representational image. (Unsplash)

Moving northeast from Mazomanie, where the twister was first spotted by storm chasers, it has now reached northeast Sauk City, around seven-and-half miles northeast of Mazomanie. Nearby areas, such as Monticello, and Prairie du Sac, are also under threat.

Here's a video of the twister sighted in Sauk City:

At least 20 counties in Wisconsin were placed under a tornado warning starting Wednesday morning by the NWS. While in most counties the warnings are set to end by 6 p.m. on Wednesday, for some, it extends till Thursday afternoon.

Ben Miller, a NWS Milwaukee/Sullivan meteorologist, told the Milwaukee Journal Sentinel that things are expected to ease by 6 p.m. "We're expecting everything to be east and out to lake by 6 p.m.," Miller said. Among the counties under warning are Milwaukee, Dane, Ozaukee, Waukesha, Kenosha and Racine.

Here's a video of the tornado in Prairie du Sac:

Here's another video of the tornado from Monticello:

List Of Counties Under Warning

The tornado warning, issued by the National Weather Service, remains in effect till 6 p.m. local time in the following counties:

Columbia

Dane

Dodge

Fond du Lac

Green

Green Lake

Iowa

Jefferson

Kenosha

Lafayette

Marquette

Milwaukee

Ozaukee

Racine

Rock

Sauk

Sheboygan

Walworth

Washington

Waukesha