Severe thunderstorms developed along a cold front that dropped south across eastern Iowa and northwest Illinois Tuesday evening.  Heavy downpours and very large hail were reported.  The hardest hit areas were the northeast side of Cedar Rapids and the Iowa side of the Quad Cities, where ping pong ball to baseball sized hail fell.
Golf ball hail fell in northern Stephenson County near Orangeville, IL.  Widespread quarter sized hail was also reported during the evening in several other counties.
This was the 1st of back to back severe hail events, as another significant event occurred April 8th, 2020.

Hail in SCOTT, IOWA
From 07-APR-20 19:45:00 to 07-APR-20 19:45:00 (CST-6)
Location: PANORAMA PARK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SCOTT, IOWA
From 07-APR-20 19:46:00 to 07-APR-20 19:46:00 (CST-6)
Location: BETTENDORF
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in SCOTT, IOWA
From 07-APR-20 19:49:00 to 07-APR-20 19:49:00 (CST-6)
Location: BETTENDORF
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SCOTT, IOWA
From 07-APR-20 19:50:00 to 07-APR-20 19:50:00 (CST-6)
Location: PANORAMA PARK
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The hail fell near Paul Norton Elementary School.

Hail in SCOTT, IOWA
From 07-APR-20 19:52:00 to 07-APR-20 19:52:00 (CST-6)
Location: PANORAMA PARK
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail ranged from pea to silver dollar size.

Hail in SCOTT, IOWA
From 07-APR-20 19:55:00 to 07-APR-20 19:55:00 (CST-6)
Location: BETTENDORF
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WASHINGTON, IOWA
From 07-APR-20 20:09:00 to 07-APR-20 20:09:00 (CST-6)
Location: KALONA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WASHINGTON, IOWA
From 07-APR-20 20:12:00 to 07-APR-20 20:12:00 (CST-6)
Location: RIVERSIDE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JONES, IOWA
From 07-APR-20 17:29:00 to 07-APR-20 17:29:00 (CST-6)
Location: ANAMOSA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JONES, IOWA
From 07-APR-20 17:30:00 to 07-APR-20 17:30:00 (CST-6)
Location: ANAMOSA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MUSCATINE, IOWA
From 07-APR-20 20:13:00 to 07-APR-20 20:13:00 (CST-6)
Location: MUSCATINE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MUSCATINE, IOWA
From 07-APR-20 20:18:00 to 07-APR-20 20:18:00 (CST-6)
Location: SWEETLAND CENTER
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MUSCATINE, IOWA
From 07-APR-20 20:18:00 to 07-APR-20 20:18:00 (CST-6)
Location: MUSCATINE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in MUSCATINE, IOWA
From 07-APR-20 20:33:00 to 07-APR-20 20:35:00 (CST-6)
Location: CONESVILLE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The hail lasted 2 minutes.

Hail in LINN, IOWA
From 07-APR-20 17:40:00 to 07-APR-20 17:40:00 (CST-6)
Location: CEDAR RAPIDS AIRPARK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 07-APR-20 17:40:00 to 07-APR-20 17:40:00 (CST-6)
Location: CEDAR RAPIDS AIRPARK
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 07-APR-20 17:40:00 to 07-APR-20 17:40:00 (CST-6)
Location: MARION
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 07-APR-20 17:41:00 to 07-APR-20 17:41:00 (CST-6)
Location: ROBINS
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MUSCATINE, IOWA
From 07-APR-20 20:37:00 to 07-APR-20 20:37:00 (CST-6)
Location: CONESVILLE
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail in MUSCATINE, IOWA
From 07-APR-20 20:39:00 to 07-APR-20 20:39:00 (CST-6)
Location: CONESVILLE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail in MUSCATINE, IOWA
From 07-APR-20 20:40:00 to 07-APR-20 20:40:00 (CST-6)
Location: CONESVILLE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MUSCATINE, IOWA
From 07-APR-20 20:47:00 to 07-APR-20 20:47:00 (CST-6)
Location: MUSCATINE MUNI ARPT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The reported arrived from social media.

Hail in LINN, IOWA
From 07-APR-20 17:42:00 to 07-APR-20 17:42:00 (CST-6)
Location: HIAWATHA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 07-APR-20 17:44:00 to 07-APR-20 17:44:00 (CST-6)
Location: HIAWATHA
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Measured by KGAN studios.

Hail in LINN, IOWA
From 07-APR-20 17:44:00 to 07-APR-20 17:44:00 (CST-6)
Location: MARION
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter sized hail covered the ground.

Hail in LINN, IOWA
From 07-APR-20 17:45:00 to 07-APR-20 17:45:00 (CST-6)
Location: CEDAR RAPIDS
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LOUISA, IOWA
From 07-APR-20 20:51:00 to 07-APR-20 20:51:00 (CST-6)
Location: GRANDVIEW
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LOUISA, IOWA
From 07-APR-20 20:53:00 to 07-APR-20 20:53:00 (CST-6)
Location: GRANDVIEW
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LOUISA, IOWA
From 07-APR-20 20:54:00 to 07-APR-20 20:54:00 (CST-6)
Location: GRANDVIEW
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Reported through social media.

Hail in LINN, IOWA
From 07-APR-20 17:45:00 to 07-APR-20 17:45:00 (CST-6)
Location: MARION
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LINN, IOWA
From 07-APR-20 17:45:00 to 07-APR-20 17:45:00 (CST-6)
Location: MARION
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LINN, IOWA
From 07-APR-20 17:45:00 to 07-APR-20 17:45:00 (CST-6)
Location: HIAWATHA
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Report from KGAN studios, where at least one wind shield was broken.

Hail in LINN, IOWA
From 07-APR-20 17:45:00 to 07-APR-20 17:45:00 (CST-6)
Location: HIAWATHA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Considerable damage was reported to nearby vehicles.

Hail in LINN, IOWA
From 07-APR-20 17:46:00 to 07-APR-20 17:46:00 (CST-6)
Location: MARION
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 07-APR-20 17:46:00 to 07-APR-20 17:46:00 (CST-6)
Location: HIAWATHA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 07-APR-20 17:46:00 to 07-APR-20 17:46:00 (CST-6)
Location: MARION
Magnitude: 2.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LINN, IOWA
From 07-APR-20 17:47:00 to 07-APR-20 17:47:00 (CST-6)
Location: HIAWATHA
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LINN, IOWA
From 07-APR-20 17:48:00 to 07-APR-20 17:48:00 (CST-6)
Location: MARION ARPT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 07-APR-20 17:49:00 to 07-APR-20 17:49:00 (CST-6)
Location: MARION
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 07-APR-20 17:52:00 to 07-APR-20 17:52:00 (CST-6)
Location: CEDAR RAPIDS
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 07-APR-20 17:54:00 to 07-APR-20 17:54:00 (CST-6)
Location: MARION
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LINN, IOWA
From 07-APR-20 17:54:00 to 07-APR-20 17:54:00 (CST-6)
Location: MARION ARPT
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 07-APR-20 17:54:00 to 07-APR-20 17:54:00 (CST-6)
Location: MARION
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 07-APR-20 17:55:00 to 07-APR-20 17:55:00 (CST-6)
Location: CEDAR RAPIDS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LINN, IOWA
From 07-APR-20 18:02:00 to 07-APR-20 18:02:00 (CST-6)
Location: BEVERLY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 07-APR-20 18:03:00 to 07-APR-20 18:03:00 (CST-6)
Location: MARION ARPT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 07-APR-20 18:04:00 to 07-APR-20 18:04:00 (CST-6)
Location: BEVERLY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 07-APR-20 18:06:00 to 07-APR-20 18:06:00 (CST-6)
Location: COVINGTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LINN, IOWA
From 07-APR-20 18:10:00 to 07-APR-20 18:10:00 (CST-6)
Location: WESTERN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CEDAR, IOWA
From 07-APR-20 18:36:00 to 07-APR-20 18:36:00 (CST-6)
Location: BUCHANAN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CEDAR, IOWA
From 07-APR-20 18:39:00 to 07-APR-20 18:39:00 (CST-6)
Location: STANWOOD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CEDAR, IOWA
From 07-APR-20 18:42:00 to 07-APR-20 18:42:00 (CST-6)
Location: LOWDEN
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A farmer reported hen egg sized hail.

Hail in CEDAR, IOWA
From 07-APR-20 18:42:00 to 07-APR-20 18:42:00 (CST-6)
Location: LOWDEN
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in CEDAR, IOWA
From 07-APR-20 18:48:00 to 07-APR-20 18:48:00 (CST-6)
Location: TIPTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LINN, IOWA
From 07-APR-20 18:49:00 to 07-APR-20 18:49:00 (CST-6)
Location: MARION
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CEDAR, IOWA
From 07-APR-20 18:53:00 to 07-APR-20 18:53:00 (CST-6)
Location: TIPTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JOHNSON, IOWA
From 07-APR-20 18:54:00 to 07-APR-20 18:54:00 (CST-6)
Location: KENT COUNTY PARK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in CEDAR, IOWA
From 07-APR-20 18:55:00 to 07-APR-20 18:55:00 (CST-6)
Location: TIPTON
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CEDAR, IOWA
From 07-APR-20 18:59:00 to 07-APR-20 18:59:00 (CST-6)
Location: LOWDEN
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail ranged in size from dime to 1.5 inches.

Hail in CEDAR, IOWA
From 07-APR-20 19:12:00 to 07-APR-20 19:12:00 (CST-6)
Location: SUNBURY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SCOTT, IOWA
From 07-APR-20 19:19:00 to 07-APR-20 19:19:00 (CST-6)
Location: DONAHUE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in SCOTT, IOWA
From 07-APR-20 19:29:00 to 07-APR-20 19:29:00 (CST-6)
Location: WEST LAKE PARK
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SCOTT, IOWA
From 07-APR-20 19:37:00 to 07-APR-20 19:37:00 (CST-6)
Location: DAVENPORT ARPT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in SCOTT, IOWA
From 07-APR-20 19:39:00 to 07-APR-20 19:39:00 (CST-6)
Location: DAVENPORT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SCOTT, IOWA
From 07-APR-20 19:40:00 to 07-APR-20 19:40:00 (CST-6)
Location: PANORAMA PARK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in SCOTT, IOWA
From 07-APR-20 19:40:00 to 07-APR-20 19:40:00 (CST-6)
Location: DAVENPORT
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SCOTT, IOWA
From 07-APR-20 19:40:00 to 07-APR-20 19:40:00 (CST-6)
Location: DAVENPORT
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SCOTT, IOWA
From 07-APR-20 19:41:00 to 07-APR-20 19:41:00 (CST-6)
Location: BETTENDORF
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail ranged from 1.5 to 2.0 inches.

Hail in SCOTT, IOWA
From 07-APR-20 19:41:00 to 07-APR-20 19:41:00 (CST-6)
Location: DAVENPORT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in SCOTT, IOWA
From 07-APR-20 19:42:00 to 07-APR-20 19:42:00 (CST-6)
Location: PANORAMA PARK
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in SCOTT, IOWA
From 07-APR-20 19:44:00 to 07-APR-20 19:44:00 (CST-6)
Location: DAVENPORT
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SCOTT, IOWA
From 07-APR-20 19:45:00 to 07-APR-20 19:45:00 (CST-6)
Location: DAVENPORT
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SCOTT, IOWA
From 07-APR-20 19:45:00 to 07-APR-20 19:45:00 (CST-6)
Location: BETTENDORF
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public