During the early evening of June 21st, a line of thunderstorms developed from Thief River Falls, Minnesota, to the Fargo-Moorhead area, then southwest toward Forman, North Dakota. On the surface map, this was mainly a wind shift line. These storms pushed nearly straight to the east, producing tornadoes, strong wind gusts, and large hail.

Hail in OTTER TAIL, MINNESOTA
From 21-JUN-17 18:05:00 to 21-JUN-17 18:05:00 (CST-6)
Location: DALTON
Magnitude: 1.00 
Reported by: Public

Dime to quarter sized hail fell across southern Dane Prairie Township. Some smaller tree branches were also blown down.

Hail in CLAY, MINNESOTA
From 21-JUN-17 17:15:00 to 21-JUN-17 17:15:00 (CST-6)
Location: MANITOBA JCT
Magnitude: 1.00 
Reported by: Public

Dime to quarter sized hail fell.

Funnel Cloud in WILKIN, MINNESOTA
From 21-JUN-17 17:20:00 to 21-JUN-17 17:20:00 (CST-6)
Location: BRUSHVALE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A well developed wall cloud produced a funnel.

Hail in BECKER, MINNESOTA
From 21-JUN-17 17:22:00 to 21-JUN-17 17:22:00 (CST-6)
Location: LAKE PARK
Magnitude: 1.00 
Reported by: Public

Tornado in WILKIN, MINNESOTA
From 21-JUN-17 17:24:00 to 21-JUN-17 17:25:00 (CST-6)
Location: BRECKENRIDGE
Tornado F-scale: EF0
Reported by: Social Media

Video and photographic evidence showed that this tornado produced a sizable dust plume, but no damage of note. Peak winds were estimated at 70 mph.

Hail in POLK, MINNESOTA
From 21-JUN-17 17:35:00 to 21-JUN-17 17:35:00 (CST-6)
Location: TRAIL
Magnitude: 1.00 
Reported by: Social Media

Nickel to quarter sized hail was reported.

Thunderstorm Wind in POLK, MINNESOTA
From 21-JUN-17 17:40:00 to 21-JUN-17 17:40:00 (CST-6)
Location: GULLY
Magnitude: 50.00 EG
Reported by: Public

A few 3 to 5 inch diameter tree branches were blown down along with some dime to nickel sized hail.

Thunderstorm Wind in OTTER TAIL, MINNESOTA
From 21-JUN-17 17:50:00 to 21-JUN-17 17:50:00 (CST-6)
Location: FERGUS FALLS
Magnitude: 60.00 EG
Reported by: Law Enforcement

A vehicle was blown off the road.

Thunderstorm Wind in OTTER TAIL, MINNESOTA
From 21-JUN-17 17:54:00 to 21-JUN-17 17:54:00 (CST-6)
Location: (FFM)FERGUS FALLS AR
Magnitude: 64.00 MG
Reported by: AWOS

The wind gust was measured at the Fergus Falls airport.

Thunderstorm Wind in OTTER TAIL, MINNESOTA
From 21-JUN-17 18:01:00 to 21-JUN-17 18:01:00 (CST-6)
Location: FERGUS FALLS
Magnitude: 63.00 MG
Reported by: Mesonet

The wind gust was measured at the Prairie Wetlands Learning Center.

Thunderstorm Wind in OTTER TAIL, MINNESOTA
From 21-JUN-17 18:04:00 to 21-JUN-17 18:04:00 (CST-6)
Location: DALTON
Magnitude: 55.00 EG
Reported by: Social Media

A large evergreen was snapped about halfway down. Power outages were reported across the area.

Thunderstorm Wind in MAHNOMEN, MINNESOTA
From 21-JUN-17 18:08:00 to 21-JUN-17 18:08:00 (CST-6)
Location: MAHNOMEN
Magnitude: 60.00 EG
Reported by: Law Enforcement

A couple of trees were split and broken down across power lines, resulting in local power outages.

Hail in MAHNOMEN, MINNESOTA
From 21-JUN-17 18:27:00 to 21-JUN-17 18:27:00 (CST-6)
Location: MAHKONCE
Magnitude: 1.25 
Reported by: Public

Hail in BELTRAMI, MINNESOTA
From 21-JUN-17 20:02:00 to 21-JUN-17 20:02:00 (CST-6)
Location: BEMIDJI
Magnitude: 0.75 
Reported by: Public

Tornado in WILKIN, MINNESOTA
From 21-JUN-17 17:39:00 to 21-JUN-17 17:42:00 (CST-6)
Location: FOXHOME
Tornado F-scale: EF0
Reported by: Storm Chaser

This tornado touchdown was viewed and photographed though it was enshrouded in either dust or rain at times. Peak winds were estimated at 75 mph.