A complex of storms moved across southwest Wisconsin during the evening of August 27th. The storms blew down trees north of Brodtville (Grant County) and power lines in Patch Grove (Grant County). Funnel clouds were also sighted between in the vicinity of Mount Hope (Grant County).

Funnel Cloud in GRANT, WISCONSIN
From 27-AUG-21 20:20:00 to 27-AUG-21 20:20:00 (CST-6)
Location: MT IDA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A couple of funnel clouds were sighted between Mount Hope and Mount Ida along U.S. Highway 18.

Thunderstorm Wind in GRANT, WISCONSIN
From 27-AUG-21 19:44:00 to 27-AUG-21 19:44:00 (CST-6)
Location: BRODTVILLE
Magnitude: 35.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree was blown down near the Crawford County line north of Brodtville.

Thunderstorm Wind in GRANT, WISCONSIN
From 27-AUG-21 20:08:00 to 27-AUG-21 20:08:00 (CST-6)
Location: PATCH GROVE
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Power lines were blown down in Patch Grove.

Flash Flood in VERNON, WISCONSIN
From 28-AUG-21 00:06:00 to 28-AUG-21 02:45:00 (CST-6)
Location: FOLSOM
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 425.00K
Reported by: Law Enforcement

Runoff from heavy rains caused several roads to be damaged by water and mud slides.

Thunderstorm Wind in VERNON, WISCONSIN
From 27-AUG-21 22:40:00 to 27-AUG-21 22:40:00 (CST-6)
Location: LIBERTY
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and power lines were blown down along State Highway 56 near Liberty.

Flood in JACKSON, WISCONSIN
From 28-AUG-21 09:44:00 to 29-AUG-21 22:02:00 (CST-6)
Location: VAUDREUIL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Runoff from heavy rains pushed the Black River out of its banks in Black River Falls. The river crested almost nine feet above the flood stage at 55.93 feet on the 28th. This was the fifth highest crest ever recorded.

Flood in TREMPEALEAU, WISCONSIN
From 29-AUG-21 09:16:00 to 31-AUG-21 23:59:00 (CST-6)
Location: BUTMAN CORNERS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Runoff from heavy rains pushed the Black River out of its banks near Galesville. The river crested over three feet above the flood stage at 15.03 feet on the 30th. This was the fifth highest crest ever recorded. The flooding continued into September 2021.

Flood in VERNON, WISCONSIN
From 28-AUG-21 03:01:00 to 29-AUG-21 06:00:00 (CST-6)
Location: READSTOWN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Runoff from heavy rains pushed the Kickapoo River out of its banks in Readstown. The river crested almost two feet above the flood stage at 12.74 feet on the 28th.

Flood in JUNEAU, WISCONSIN
From 30-AUG-21 14:46:00 to 31-AUG-21 23:59:00 (CST-6)
Location: NECEDAH
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Runoff from heavy rains pushed the Yellow River out of its banks in Necedah. The river crested almost three feet above the flood stage at 17.94 feet on the 31st. The flooding continued into September 2021.