Several rounds of severe thunderstorms moved over Iowa, Illinois, and northern Missouri from the early morning hours through the late evening hours. Many locations saw damaging winds during this multiple round event. with locations near the city of Cedar Rapids seeing a very large hail event.

Hail in JONES, IOWA
From 22-JUN-15 12:25:00 to 22-JUN-15 12:25:00 (CST-6)
Location: MORLEY
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in BUCHANAN, IOWA
From 22-JUN-15 07:15:00 to 22-JUN-15 07:15:00 (CST-6)
Location: FAIRBANK
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tree was reported down across Amish Blvd.

Hail in LINN, IOWA
From 22-JUN-15 11:35:00 to 22-JUN-15 11:35:00 (CST-6)
Location: HIAWATHA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 22-JUN-15 11:36:00 to 22-JUN-15 11:36:00 (CST-6)
Location: MARION MC BRIDE ARPT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 22-JUN-15 11:44:00 to 22-JUN-15 11:44:00 (CST-6)
Location: MARION
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 22-JUN-15 11:46:00 to 22-JUN-15 11:46:00 (CST-6)
Location: MARION
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 22-JUN-15 11:35:00 to 22-JUN-15 11:35:00 (CST-6)
Location: ROBINS
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 22-JUN-15 11:38:00 to 22-JUN-15 11:38:00 (CST-6)
Location: MARION MC BRIDE ARPT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 22-JUN-15 11:37:00 to 22-JUN-15 11:37:00 (CST-6)
Location: ELY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 22-JUN-15 11:56:00 to 22-JUN-15 11:56:00 (CST-6)
Location: PARALTA
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JONES, IOWA
From 22-JUN-15 11:56:00 to 22-JUN-15 11:56:00 (CST-6)
Location: MARTELLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in LINN, IOWA
From 22-JUN-15 11:26:00 to 22-JUN-15 11:26:00 (CST-6)
Location: PALO
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail reported at Duane Arnold Energy Center.

Hail in LINN, IOWA
From 22-JUN-15 11:38:00 to 22-JUN-15 11:38:00 (CST-6)
Location: MARION MC BRIDE ARPT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BENTON, IOWA
From 22-JUN-15 03:32:00 to 22-JUN-15 03:32:00 (CST-6)
Location: URBANA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in BUCHANAN, IOWA
From 22-JUN-15 07:15:00 to 22-JUN-15 07:30:00 (CST-6)
Location: INDEPENDENCE
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Extremely strong winds reported, with branches down and pieces of neighbors' houses and roofing material laying in front yard of the spotter.   Torrential rainfall also occurred.

Hail in BENTON, IOWA
From 22-JUN-15 03:30:00 to 22-JUN-15 03:30:00 (CST-6)
Location: URBANA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 22-JUN-15 11:32:00 to 22-JUN-15 11:32:00 (CST-6)
Location: TODDVILLE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 22-JUN-15 11:34:00 to 22-JUN-15 11:34:00 (CST-6)
Location: PALO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in BUCHANAN, IOWA
From 22-JUN-15 07:23:00 to 22-JUN-15 07:23:00 (CST-6)
Location: JESUP
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Small limbs were reported down with 50 to 60 mph wind gusts.

Thunderstorm Wind in BUCHANAN, IOWA
From 22-JUN-15 07:25:00 to 22-JUN-15 07:35:00 (CST-6)
Location: INDEPENDENCE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Sustained winds of 60 mph with gusts to 70 mph were reported.

Thunderstorm Wind in BUCHANAN, IOWA
From 22-JUN-15 07:30:00 to 22-JUN-15 07:30:00 (CST-6)
Location: INDEPENDENCE
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

One foot diameter tree was snapped off about two feet above the ground level.

Thunderstorm Wind in BUCHANAN, IOWA
From 22-JUN-15 07:35:00 to 22-JUN-15 07:35:00 (CST-6)
Location: JESUP
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A large tree limb fell over power line, which caused power outage.

Thunderstorm Wind in DUBUQUE, IOWA
From 22-JUN-15 08:00:00 to 22-JUN-15 08:00:00 (CST-6)
Location: HOLY CROSS
Magnitude: 83.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A roof reported blown off school building.

Thunderstorm Wind in LINN, IOWA
From 22-JUN-15 08:00:00 to 22-JUN-15 08:00:00 (CST-6)
Location: ALBURNETT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tree limbs larger than 2 inches in diameter were blown down.

Thunderstorm Wind in DUBUQUE, IOWA
From 22-JUN-15 08:08:00 to 22-JUN-15 08:08:00 (CST-6)
Location: ASBURY
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Estimated 60 to 80 mph wind gusts were reported near the intersection of Asbury and Lewis roads.

Thunderstorm Wind in DUBUQUE, IOWA
From 22-JUN-15 08:08:00 to 22-JUN-15 08:08:00 (CST-6)
Location: PEOSTA
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Semi trailer reported blown over.

Thunderstorm Wind in BUCHANAN, IOWA
From 22-JUN-15 08:22:00 to 22-JUN-15 08:22:00 (CST-6)
Location: INDEPENDENCE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tree branches reported blown down.

Thunderstorm Wind in DELAWARE, IOWA
From 22-JUN-15 07:40:00 to 22-JUN-15 07:45:00 (CST-6)
Location: MANCHESTER
Magnitude: 78.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Extensive damage reported 1 to 2 miles north of Manchester, including farm buildings flattened and trees snapped off.

Hail in CEDAR, IOWA
From 22-JUN-15 12:20:00 to 22-JUN-15 12:20:00 (CST-6)
Location: MECHANICSVILLE
Magnitude: 2.75 
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotter's windshield was broken.

Hail in LINN, IOWA
From 22-JUN-15 11:25:00 to 22-JUN-15 11:25:00 (CST-6)
Location: PALO
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny size hail and heavy rain was reported.

Hail in LINN, IOWA
From 22-JUN-15 13:45:00 to 22-JUN-15 13:45:00 (CST-6)
Location: CEDAR RAPIDS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in LINN, IOWA
From 22-JUN-15 13:48:00 to 22-JUN-15 13:48:00 (CST-6)
Location: CEDAR RAPIDS
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 22-JUN-15 13:48:00 to 22-JUN-15 13:48:00 (CST-6)
Location: CEDAR RAPIDS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in BUCHANAN, IOWA
From 22-JUN-15 07:23:00 to 22-JUN-15 07:23:00 (CST-6)
Location: HAZLETON
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in BUCHANAN, IOWA
From 22-JUN-15 07:31:00 to 22-JUN-15 07:31:00 (CST-6)
Location: INDEPENDENCE
Magnitude: 82.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

High school wind equipment on west of of Independence recorded a 93.9 mph wind gusts. Other very high winds in the area support this possibly being a correct measurement on an elevated surface.

Hail in LINN, IOWA
From 22-JUN-15 13:42:00 to 22-JUN-15 13:42:00 (CST-6)
Location: CEDAR RAPIDS
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in DUBUQUE, IOWA
From 22-JUN-15 08:15:00 to 22-JUN-15 08:15:00 (CST-6)
Location: (DBQ)DUBUQUE MUNI AR
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Hail in LINN, IOWA
From 22-JUN-15 11:43:00 to 22-JUN-15 11:43:00 (CST-6)
Location: MARION
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 22-JUN-15 11:50:00 to 22-JUN-15 11:50:00 (CST-6)
Location: MARION
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 22-JUN-15 11:40:00 to 22-JUN-15 11:40:00 (CST-6)
Location: CEDAR RAPIDS
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail falling on northeast side of Cedar Rapids.

Hail in LINN, IOWA
From 22-JUN-15 11:22:00 to 22-JUN-15 11:30:00 (CST-6)
Location: PALO
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail started as quarter size, increased to golf ball size, and lasted 8 minutes.

Thunderstorm Wind in DELAWARE, IOWA
From 22-JUN-15 08:03:00 to 22-JUN-15 08:03:00 (CST-6)
Location: MANCHESTER
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Numerous trees reported blown down, and power lines downed across Delaware County.

Thunderstorm Wind in DUBUQUE, IOWA
From 22-JUN-15 07:55:00 to 22-JUN-15 07:55:00 (CST-6)
Location: DYERSVILLE
Magnitude: 68.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue