EF1 tornado in Marathon County, Wisconsin

A tornado developed about 3 miles northwest of Glandon, at the end of Pine Haven Road, about 4:44 PM CDT in Marathon County. The tornado produced significant damage to a barn by collapsing the entire top floor of half of the barn, pushed a silo off its foundation, and damaged a metal outbuilding by tearing off most of the roof and some exterior walls. The tornado moved north-northeast, crossing the Lincoln County line around 4:46 PM CDT. Total path length is estimated to be 4.33 miles long, with a width of 100 yards. Peak wind estimated to be around 110 mph.

A severe weather outbreak unfolded across central and north-central Wisconsin during the afternoon and early evening of Friday (4/17). The event was triggered by a surface low-pressure system and cold front across the upper Midwest.

NWS storm surveys confirmed 2 tornadoes that resulted in structural damage. A tornado formed 3 miles northwest of Glandon around 4:44 PM CDT and tracked into southeast Lincoln County producing EF-1 damage before dissipating around 4:55 PM CDT. Another tornado formed 3 miles west-southwest of Ringle in Marathon County around 4:46 PM CDT and dissipated around 5:03 PM CDT 5 miles southwest of Hogarty. This tornado produced EF-3 damage and destroyed 13 homes, produced major damage to 25 homes, with 101 homes reporting minor damage or affected by the tornado. An estimated $8.2 million worth of damage was reported from the tornado.

Beyond the tornadic threat, the storms produced isolated large hail up to half dollar size and damaging winds. Heavy rainfall was another impact, with localized totals ranging from 1 to 4 inches. These torrential downpours caused flash flooding, particularly in Marshfield where 2.65 inches of rain fell and multiple vehicles were reported stranded in deep water.