By the early evening of July 8th, a frontal boundary was draped from International Falls to southwest of Jamestown. South of this boundary, temperatures were in the mid to upper 80s with dew points in the middle 70s. Thunderstorms initially fired over Becker County, Minnesota, but other storms soon moved into southeast North Dakota as well. The storms over southeast North Dakota tracked into west central Minnesota by mid evening. These storms produced both damaging winds and hail.

Thunderstorm Wind in OTTER TAIL, MINNESOTA
From 08-JUL-18 19:05:00 to 08-JUL-18 19:05:00 (CST-6)
Location: NEW YORK MILLS
Magnitude: 50.00 EG
Reported by: Fire Department/Rescue

Tree damage was reported throughout town.

Thunderstorm Wind in WADENA, MINNESOTA
From 08-JUL-18 19:40:00 to 08-JUL-18 19:42:00 (CST-6)
Location: VERNDALE
Magnitude: 50.00 EG
Reported by: Public

Large tree branches were blown down.

Thunderstorm Wind in OTTER TAIL, MINNESOTA
From 08-JUL-18 19:45:00 to 08-JUL-18 19:45:00 (CST-6)
Location: DENT
Magnitude: 55.00 EG
Reported by: Public

Tree damage was reported between Star and Big McDonald lakes.

Hail in BECKER, MINNESOTA
From 08-JUL-18 16:50:00 to 08-JUL-18 16:50:00 (CST-6)
Location: RICHWOOD
Magnitude: 1.50 
Reported by: Public

Hail in BECKER, MINNESOTA
From 08-JUL-18 17:20:00 to 08-JUL-18 17:20:00 (CST-6)
Location: TAMARAC REFUGE
Magnitude: 1.25 
Reported by: Public

Large hail and very strong winds were observed between Height of Land and Island lakes.

Thunderstorm Wind in BECKER, MINNESOTA
From 08-JUL-18 17:35:00 to 08-JUL-18 17:35:00 (CST-6)
Location: WOLF LAKE
Magnitude: 55.00 EG
Reported by: Public

Fences and trees were damaged.

Hail in CLAY, MINNESOTA
From 08-JUL-18 17:40:00 to 08-JUL-18 17:40:00 (CST-6)
Location: HAWLEY
Magnitude: 1.00 
Reported by: Public

Thunderstorm Wind in BECKER, MINNESOTA
From 08-JUL-18 17:40:00 to 08-JUL-18 17:40:00 (CST-6)
Location: SNELLMAN
Magnitude: 60.00 EG
Reported by: Trained Spotter

A large tree was uprooted onto highway 38. Roof damage was also reported.

Hail in CLAY, MINNESOTA
From 08-JUL-18 17:45:00 to 08-JUL-18 17:45:00 (CST-6)
Location: HAWLEY
Magnitude: 1.50 
Reported by: Public

Hail in BECKER, MINNESOTA
From 08-JUL-18 18:00:00 to 08-JUL-18 18:00:00 (CST-6)
Location: FRAZEE
Magnitude: 1.00 
Reported by: Public

Thunderstorm Wind in OTTER TAIL, MINNESOTA
From 08-JUL-18 18:12:00 to 08-JUL-18 18:12:00 (CST-6)
Location: PERHAM ARPT
Magnitude: 55.00 EG
Reported by: Public

Trees and tree branches were blown down on the north side of Little Pine Lake.

Thunderstorm Wind in OTTER TAIL, MINNESOTA
From 08-JUL-18 18:15:00 to 08-JUL-18 18:15:00 (CST-6)
Location: DUNVILLA
Magnitude: 56.00 EG
Reported by: Broadcast Media

Strong winds were reported.

Funnel Cloud in OTTER TAIL, MINNESOTA
From 08-JUL-18 18:20:00 to 08-JUL-18 18:20:00 (CST-6)
Location: DUNVILLA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A persistent wall cloud with multiple brief funnels were seen over the Dunvilla area.

Thunderstorm Wind in OTTER TAIL, MINNESOTA
From 08-JUL-18 18:21:00 to 08-JUL-18 18:21:00 (CST-6)
Location: DUNVILLA
Magnitude: 60.00 EG
Reported by: Public

Several boat lifts were damaged.

Hail in OTTER TAIL, MINNESOTA
From 08-JUL-18 18:34:00 to 08-JUL-18 18:34:00 (CST-6)
Location: DUNVILLA
Magnitude: 1.50 
Reported by: Public

The large hail was accompanied by strong winds and very heavy rain. The winds tracked across the north end of Lake Lida.