Strong to severe thunderstorms near a stationary front over central WI was followed by a large thunderstorm complex that moved west to east across all of southern WI. Damaging winds and large hail were observed.

Thunderstorm Wind in ROCK, WISCONSIN
From 13-JUL-18 19:10:00 to 13-JUL-18 19:10:00 (CST-6)
Location: MILTON
Magnitude: 50.00 EG
Property damage: 7.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Multiple reports of trees and power lines down.

Thunderstorm Wind in LAFAYETTE, WISCONSIN
From 13-JUL-18 18:01:00 to 13-JUL-18 18:02:00 (CST-6)
Location: GRATIOT
Magnitude: 70.00 EG
Property damage: 30.00K
Reported by: Social Media

Much of the roof of a large barn collapsed.

Hail in FOND DU LAC, WISCONSIN
From 13-JUL-18 16:24:00 to 13-JUL-18 16:24:00 (CST-6)
Location: LAMARTINE
Magnitude: 1.00 
Reported by: Trained Spotter

Lightning in FOND DU LAC, WISCONSIN
From 13-JUL-18 16:20:00 to 13-JUL-18 17:30:00 (CST-6)
Location: FOND DU LAC
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A lightning strike caused a fire in the attic of a home that was quickly extinguished by firefighters. There was severe damage to the home's electrical system.

Hail in FOND DU LAC, WISCONSIN
From 13-JUL-18 16:17:00 to 13-JUL-18 16:20:00 (CST-6)
Location: FOND DU LAC  AIRPORT
Magnitude: 2.00 
Reported by: Trained Spotter

Hail in FOND DU LAC, WISCONSIN
From 13-JUL-18 16:30:00 to 13-JUL-18 16:30:00 (CST-6)
Location: FOND DU LAC  AIRPORT
Magnitude: 1.00 
Reported by: Public

Thunderstorm Wind in LAFAYETTE, WISCONSIN
From 13-JUL-18 17:55:00 to 13-JUL-18 17:55:00 (CST-6)
Location: DUNBARTON
Magnitude: 61.00 EG
Property damage: 10.00K
Reported by: Emergency Manager

Structural damage to small outbuildings or garages. Some tree damage.

Thunderstorm Wind in LAFAYETTE, WISCONSIN
From 13-JUL-18 18:00:00 to 13-JUL-18 18:00:00 (CST-6)
Location: GRATIOT
Magnitude: 70.00 EG
Property damage: 200.00K
Crop damage: 1.00K
Reported by: Emergency Manager

Downburst winds of 80 mph rolled and damaged 10 large campers. Nearby corn was flattened.

Thunderstorm Wind in LAFAYETTE, WISCONSIN
From 13-JUL-18 18:10:00 to 13-JUL-18 18:10:00 (CST-6)
Location: SOUTH WAYNE
Magnitude: 61.00 EG
Property damage: 10.00K
Reported by: Broadcast Media

Structural damage to small outbuildings or garages. Some tree damage.

Thunderstorm Wind in LAFAYETTE, WISCONSIN
From 13-JUL-18 18:10:00 to 13-JUL-18 18:10:00 (CST-6)
Location: SOUTH WAYNE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Fire chief estimated a wind gust around 70 mph.

Thunderstorm Wind in GREEN, WISCONSIN
From 13-JUL-18 18:11:00 to 13-JUL-18 18:11:00 (CST-6)
Location: BROWNTOWN
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees and large branches down in the Browntown area.

Thunderstorm Wind in GREEN, WISCONSIN
From 13-JUL-18 18:25:00 to 13-JUL-18 18:50:00 (CST-6)
Location: BROWNTOWN
Magnitude: 56.00 EG
Property damage: 8.00K
Reported by: Law Enforcement

Scattered reports of trees and power lines down across the county.

Thunderstorm Wind in DODGE, WISCONSIN
From 13-JUL-18 18:47:00 to 13-JUL-18 18:47:00 (CST-6)
Location: LOST LAKE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Large tree down at intersection of highway 73 and county highway DE. Highway 73 was briefly closed.

Thunderstorm Wind in DANE, WISCONSIN
From 13-JUL-18 18:55:00 to 13-JUL-18 18:55:00 (CST-6)
Location: OREGON
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A large tree down on power lines.

Thunderstorm Wind in ROCK, WISCONSIN
From 13-JUL-18 18:59:00 to 13-JUL-18 18:59:00 (CST-6)
Location: DOWNTOWN JANESVILLE
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Trained Spotter

A tree down.

Thunderstorm Wind in ROCK, WISCONSIN
From 13-JUL-18 19:05:00 to 13-JUL-18 19:05:00 (CST-6)
Location: EDGERTON
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A large section of bricks broke loose from the exterior wall facade of the Edgerton Community Outreach building.