A deep upper level low approached the region with strong instability and deep layer shear developing ahead of it. A severe linear complex developed over Montana, and pushed into northwest and north central North Dakota. Strong winds became the primary threat, with the strongest wind gusts of around 75 mph occurring at the Williams County Fairgrounds in Williston. Many tents were toppled.

Thunderstorm Wind in MOUNTRAIL, NORTH DAKOTA
From 24-JUN-16 22:05:00 to 24-JUN-16 22:08:00 (CST-6)
Location: STANLEY MUNI ARPT
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Thunderstorm Wind in MOUNTRAIL, NORTH DAKOTA
From 24-JUN-16 22:39:00 to 24-JUN-16 22:41:00 (CST-6)
Location: BLAISDELL
Magnitude: 58.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Thunderstorm Wind in BURKE, NORTH DAKOTA
From 24-JUN-16 22:57:00 to 24-JUN-16 22:59:00 (CST-6)
Location: COTEAU
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in WILLIAMS, NORTH DAKOTA
From 24-JUN-16 21:05:00 to 24-JUN-16 21:15:00 (CST-6)
Location: WILLISTON
Magnitude: 65.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Estimated 75 mph thunderstorm wind gusts occurred at the Williams County Fairgrounds. The Williams County Fair was ongoing at the time, and almost all the large tents set up were blown over. No injuries or fatalities occurred.

Thunderstorm Wind in MCKENZIE, NORTH DAKOTA
From 24-JUN-16 20:49:00 to 24-JUN-16 20:51:00 (MST-7)
Location: WATFORD CITY
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Hail in MCKENZIE, NORTH DAKOTA
From 24-JUN-16 20:50:00 to 24-JUN-16 20:52:00 (MST-7)
Location: MANDAREE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in MCKENZIE, NORTH DAKOTA
From 24-JUN-16 21:00:00 to 24-JUN-16 21:03:00 (MST-7)
Location: CHARLSON
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in WILLIAMS, NORTH DAKOTA
From 24-JUN-16 21:13:00 to 24-JUN-16 21:16:00 (CST-6)
Location: APPAM
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency Management estimated that thunderstorm winds were gusting up to 60 mph.

Hail in WILLIAMS, NORTH DAKOTA
From 24-JUN-16 21:15:00 to 24-JUN-16 21:18:00 (CST-6)
Location: SPRING BROOK
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in WILLIAMS, NORTH DAKOTA
From 24-JUN-16 21:20:00 to 24-JUN-16 21:30:00 (CST-6)
Location: BONETRAILL
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public estimated that thunderstorm winds were gusting up to 70 mph.

Hail in WILLIAMS, NORTH DAKOTA
From 24-JUN-16 21:20:00 to 24-JUN-16 21:23:00 (CST-6)
Location: BONETRAILL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in MOUNTRAIL, NORTH DAKOTA
From 24-JUN-16 22:00:00 to 24-JUN-16 22:02:00 (CST-6)
Location: NEW TOWN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The strong thunderstorm wind gusts were estimated by the public.

Thunderstorm Wind in MCKENZIE, NORTH DAKOTA
From 24-JUN-16 20:20:00 to 24-JUN-16 20:23:00 (MST-7)
Location: WATFORD CITY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated that thunderstorm winds were gusting to 60 mph.