After several weeks of moderate to severe drought conditions in Southeast Michigan, an active weather pattern brought widespread rainfall and flooding to Metro Detroit and surrounding areas during the weekend of June 25-27th. Low pressure tracking along a stalled stationary boundary interacted with a very moist subtropical air mass to produce widespread 3 to 5 inches of rainfall across Metro Detroit (localized 6 to 8 inches), resulting in numerous reports of major flooding within the Detroit metro vicinity, especially Washtenaw and Wayne Counties. In addition to the heavy rain, an EF-2 tornado was observed near Port Austin in Huron County during this event just before 5 pm EST on June 26th.

Flash Flood in WAYNE, MICHIGAN
From 26-JUN-21 00:30:00 to 26-JUN-21 04:54:00 (EST-5)
Location: NORTHVILLE
Flood cause: Heavy Rain
Property damage: 139.00M
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous roads and highways became impassable due to flooding.  Four to eight inches of rainfall was reported in and around downtown Detroit, with Grosse Pointe Park   reporting the highest total of 8.19 inches. Almost 15,000 homes suffered major flood damage, with close to 6000 homes experiencing minor flood damage across the northern part of county.

Tornado in HURON, MICHIGAN
From 26-JUN-21 16:49:00 to 26-JUN-21 17:00:00 (EST-5)
Location: PORT CRESCENT
Tornado F-scale: EF2
Property damage: 1.90M
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado touched down 4 miles SW of Port Austin just north of the intersection between Port Crescent Rd and Sand Rd. The tornado began as an EF-0, producing several snapped trees and tree limbs, uprooted trees, and damage to barns and outbuildings. The tornado then tracked northeast and crossed M-53 just south of its intersection with M-25. At this point, the tornado produced EF-2 damage to six houses, with three roofs completely detached, one house with major roof damage, two garages and one barn completely destroyed, and substantial tree damage. Estimated peak winds were 120 mph.
The tornado continued to track northeast toward N Hellems Rd and paralleled Pointe Aux Barques Rd, where numerous pine trees were damaged or destroyed and
some hardwood trees were snapped, consistent with EF-1 damage. The
tornado then tracked across the Eagle Bay public access point and
into Lake Huron.

Thunderstorm Wind in SAGINAW, MICHIGAN
From 26-JUN-21 17:15:00 to 26-JUN-21 17:15:00 (EST-5)
Location: CHESANING ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Several large tree limbs and a mature tree blown down.

Flood in WASHTENAW, MICHIGAN
From 26-JUN-21 04:54:00 to 26-JUN-21 15:00:00 (EST-5)
Location: LYNDON CENTER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flood waters from flash flooding slowly receeded.

Flash Flood in OAKLAND, MICHIGAN
From 26-JUN-21 02:00:00 to 26-JUN-21 06:00:00 (EST-5)
Location: OAKWOOD
Flood cause: Heavy Rain
Property damage: 2.00M
Crop damage: 0.00K
Reported by: Emergency Manager

Roads and basements became flooding across southern Oakland county as 3 to 4 inches of rain was reported.

Flash Flood in MACOMB, MICHIGAN
From 26-JUN-21 02:00:00 to 26-JUN-21 06:00:00 (EST-5)
Location: PLEASANT RIDGE
Flood cause: Heavy Rain
Property damage: 1.00M
Crop damage: 0.00K
Reported by: Emergency Manager

Roads and basements became flooding across southern Macomb county as 3 to 4 inches of rain was reported.

Flash Flood in WASHTENAW, MICHIGAN
From 25-JUN-21 23:38:00 to 26-JUN-21 04:54:00 (EST-5)
Location: LYNDON CENTER
Flood cause: Heavy Rain
Property damage: 7.50M
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous roads became impassable due to flash flooding.  Parts of Ann Arbor received around 5.5 inches of rainfall, with Ypsilanti reporting the highest total of 6.76 inches. Around 3 inches of rainfall was reported near Saline and Dexter.  Forty-four homes suffered major flood damage, while 127 homes experienced flood damage across the county.

Flood in WAYNE, MICHIGAN
From 26-JUN-21 04:54:00 to 26-JUN-21 15:00:00 (EST-5)
Location: NORTHVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flood waters from flash flooding slowly receeded. Moderate flooding was also observed along the Rouge River.