Brutally cold temps also kept the attraction out of commission.
More tornadoes could be confirmed as damage surveys continue.
Areas just north of Minneapolis were hit hard.
Some of the craziest lightning Minnesotans have seen this year.
More strong and severe storms are possible later Sunday.
Two twisters struck around 1 a.m. Saturday, with the other two hitting later Saturday night.
Areas around Mankato were hit pretty hard.
A tornado was confirmed on radar between St. Bonifacius and Maple Plain.
The strongest tornado hit near Silver Lake, Minnesota.
There have also been reports of tree damage.
County officials detailed the damage and released photos on Wednesday.
Intense storms ripped through southern Minnesota on Tuesday.
The storms spun up tornadoes that went through the southern Minnesota county on Monday.
Southern Minnesota is being hammered by strong winds, snow and ice.
Giant waves battered the city's shoreline, damaging public walkways and parks.
Waves up to 20 feet tall were reported on Lake Superior Wednesday.
It's up from the original estimate of six twisters.
The east side of Northfield was hit very hard.
Damage from high winds, flooding and possible tornadoes.
Storms blew through with damaging winds on Monday afternoon.
Breezy Point was among the areas hit hard by a powerful storm.
Photos from the Red Wing Regional Airport show collapsed hangars.
Intense winds and clouds with debris flying through the air.