A strong jet streak moved across Montana and North Dakota during the afternoon and early evening, providing enough lift to overcome a lid of warmer temperatures aloft across central South Dakota. Storms progressed east and southeast and utilized drying within the elevated layer to generate enough cooling to produce hail, and environmental deep-layer shear of 45 to 55 knots to organize into short bowing segments.

Hail in IDA, IOWA
From 05-JUN-20 00:53:00 to 05-JUN-20 01:05:00 (CST-6)
Location: IDA GROVE
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in IDA, IOWA
From 05-JUN-20 00:57:00 to 05-JUN-20 01:04:00 (CST-6)
Location: IDA GROVE
Magnitude: 1.75 
Reported by: Social Media

Hail in IDA, IOWA
From 05-JUN-20 00:59:00 to 05-JUN-20 01:05:00 (CST-6)
Location: IDA GROVE
Magnitude: 1.50 
Reported by: Broadcast Media

Hail in SIOUX, IOWA
From 04-JUN-20 21:52:00 to 04-JUN-20 21:54:00 (CST-6)
Location: NEWKIRK
Magnitude: 0.75 
Reported by: Public

Hail in O'BRIEN, IOWA
From 04-JUN-20 22:18:00 to 04-JUN-20 22:20:00 (CST-6)
Location: SANBORN
Magnitude: 1.00 
Reported by: Public

Hail in O'BRIEN, IOWA
From 04-JUN-20 22:20:00 to 04-JUN-20 22:22:00 (CST-6)
Location: SANBORN
Magnitude: 1.00 
Reported by: Public

Hail in IDA, IOWA
From 05-JUN-20 00:59:00 to 05-JUN-20 01:04:00 (CST-6)
Location: IDA GROVE
Magnitude: 2.50 
Reported by: Social Media

Hail in IDA, IOWA
From 05-JUN-20 01:02:00 to 05-JUN-20 01:05:00 (CST-6)
Location: ARTHUR
Magnitude: 1.00 
Reported by: Public

Hail in BUENA VISTA, IOWA
From 05-JUN-20 01:04:00 to 05-JUN-20 01:07:00 (CST-6)
Location: ALTA
Magnitude: 1.25 
Reported by: Social Media

Hail in O'BRIEN, IOWA
From 04-JUN-20 22:27:00 to 04-JUN-20 22:29:00 (CST-6)
Location: HARTLEY
Magnitude: 1.75 
Reported by: Social Media

Hail in CHEROKEE, IOWA
From 04-JUN-20 22:43:00 to 04-JUN-20 22:44:00 (CST-6)
Location: CLEGHORN
Magnitude: 1.00 
Reported by: Public

Hail in DICKINSON, IOWA
From 04-JUN-20 22:52:00 to 04-JUN-20 22:54:00 (CST-6)
Location: FULLER FLD ARPT
Magnitude: 1.00 
Reported by: Social Media

Thunderstorm Wind in DICKINSON, IOWA
From 04-JUN-20 22:52:00 to 04-JUN-20 22:54:00 (CST-6)
Location: SPIRIT LAKE LAKE
Magnitude: 56.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A large tree, 2.5 feet in diameter, was uprooted and blocked most of County Road M49 on the northwest side of Big Spirit Lake. Property damage costs are rough estimates.

Thunderstorm Wind in DICKINSON, IOWA
From 04-JUN-20 22:55:00 to 04-JUN-20 22:57:00 (CST-6)
Location: TERRIL
Magnitude: 56.00 EG
Property damage: 1.00K
Reported by: Emergency Manager

A two-foot diameter tree was snapped near the base. Property damage costs are rough estimates.

Hail in IDA, IOWA
From 05-JUN-20 01:06:00 to 05-JUN-20 01:10:00 (CST-6)
Location: IDA GROVE
Magnitude: 1.00 
Reported by: Public

Hail in CHEROKEE, IOWA
From 04-JUN-20 23:09:00 to 04-JUN-20 23:11:00 (CST-6)
Location: CHEROKEE MUNI ARPT
Magnitude: 1.25 
Reported by: Public

Hail in DICKINSON, IOWA
From 04-JUN-20 22:51:00 to 04-JUN-20 22:53:00 (CST-6)
Location: FULLER FLD ARPT
Magnitude: 1.75 
Crop damage: 65.00K
Reported by: Emergency Manager

Hail varied in size from quarters to golf balls. Crop damage is an estimate from insured losses. Information provided by the United States Department of Agriculture.

Thunderstorm Wind in DICKINSON, IOWA
From 04-JUN-20 22:57:00 to 04-JUN-20 22:58:00 (CST-6)
Location: FULLER FLD ARPT
Magnitude: 52.00 EG
Crop damage: 5.00K
Reported by: Emergency Manager

Strong winds flattened crops 3 to 4 miles east of Milford. Crop damage is an estimate from insured losses. Information provided by the United States Department of Agriculture.

Thunderstorm Wind in OSCEOLA, IOWA
From 04-JUN-20 23:21:00 to 04-JUN-20 23:23:00 (CST-6)
Location: MAY CITY
Magnitude: 52.00 EG
Property damage: 0.50K
Crop damage: 106.00K
Reported by: Trained Spotter

Tree limbs two to four inches in diameter were snapped. Property damage costs are rough estimates. Crop damage is an estimate from insured losses. Information provided by the United States Department of Agriculture.