During the evening of June 16th, a weak frontal boundary stretched north-northeast from Watertown in South Dakota, up through Wadena and International Falls in Minnesota. Along the boundary in west central Minnesota, surface dew points held in the lower 70s with precipitable water values around 1.50 inches. Thunderstorms flared up during the evening and produced a few damaging wind gusts in addition to a band of four to seven inches of rain. This heavy rain band generally ran from north of Breckenridge to between Park Rapids and Wadena in Minnesota. This heavy rain resulted in quite a few reports of flash flooding.

Thunderstorm Wind in WILKIN, MINNESOTA
From 16-JUN-18 20:15:00 to 16-JUN-18 20:15:00 (CST-6)
Location: EVERDELL
Magnitude: 50.00 EG
Reported by: Public

Multiple 2 to 3 inch diameter tree branches were blown down. The power was also out for about three hours after the storm passed.

Thunderstorm Wind in WADENA, MINNESOTA
From 16-JUN-18 20:20:00 to 16-JUN-18 20:20:00 (CST-6)
Location: MENAHGA
Magnitude: 50.00 EG
Reported by: Public

Small trees and branches were blown down as well as a heavy golf target.

Thunderstorm Wind in OTTER TAIL, MINNESOTA
From 16-JUN-18 20:45:00 to 16-JUN-18 20:45:00 (CST-6)
Location: FERGUS FALLS
Magnitude: 50.00 EG
Reported by: Law Enforcement

A power power and a light pole were blown down. Several miles away, the Fergus Falls airport reported a 55 mph wind gust.

Thunderstorm Wind in CLEARWATER, MINNESOTA
From 17-JUN-18 01:44:00 to 17-JUN-18 01:44:00 (CST-6)
Location: BAGLEY
Magnitude: 50.00 EG
Reported by: Public

Numerous 3 to 4 inch diameter tree branches were broken down around the Bagley golf course.

Flash Flood in OTTER TAIL, MINNESOTA
From 16-JUN-18 23:30:00 to 17-JUN-18 01:30:00 (CST-6)
Location: FERGUS FALLS
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 50.00K
Reported by: Public

Three to five inches of rain fell, which resulted in the ponding of water in camp sites and nearby fields.

Flash Flood in OTTER TAIL, MINNESOTA
From 16-JUN-18 23:30:00 to 17-JUN-18 01:30:00 (CST-6)
Location: PERHAM
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 50.00K
Reported by: Public

Over five inches of rain fell in a short period of time. Drivers had to pull over because they could not see the road. The water ponded and ran off in all directions.

Flash Flood in OTTER TAIL, MINNESOTA
From 17-JUN-18 00:00:00 to 17-JUN-18 02:00:00 (CST-6)
Location: RICHDALE
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 50.00K
Reported by: Public

About 6.50 inches of rain fell, causing water to pool everywhere. A driveway was flooded and numerous homes had water in the basements.

Flash Flood in WADENA, MINNESOTA
From 17-JUN-18 00:00:00 to 17-JUN-18 02:00:00 (CST-6)
Location: WADENA
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 50.00K
Reported by: Public

About 5.25 inches of rain fell, causing a few washouts of gravel roads. Quite a bit of ponding also occurred in area fields and low lying areas.

Flash Flood in WADENA, MINNESOTA
From 17-JUN-18 00:00:00 to 17-JUN-18 02:00:00 (CST-6)
Location: NIMROD
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 75.00K
Reported by: Public

Up to 7 inches of rain fell, making the low spots in fields look like lakes. Water also covered several roads.