There were two rounds of severe thunderstorms on April 4. Round 1 of activity began during the early morning hours of April 4, 2023, as elevated thunderstorms developed across southeast Iowa. These storms quickly intensified and became severe as they moved into eastern Iowa, and produced very large hail from golf ball to tea cup size (2 inches). The largest hailstones were measured in and around the Davenport metro, where tea cup size hail was measured at the North Park Mall.

Hail in MUSCATINE, IOWA
From 04-APR-23 08:02:00 to 04-APR-23 08:02:00 (CST-6)
Location: MOSCOW
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MUSCATINE, IOWA
From 04-APR-23 08:14:00 to 04-APR-23 08:14:00 (CST-6)
Location: NICHOLS
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LINN, IOWA
From 04-APR-23 07:28:00 to 04-APR-23 07:28:00 (CST-6)
Location: HIAWATHA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MUSCATINE, IOWA
From 04-APR-23 08:15:00 to 04-APR-23 08:15:00 (CST-6)
Location: WILTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MUSCATINE, IOWA
From 04-APR-23 08:19:00 to 04-APR-23 08:19:00 (CST-6)
Location: WILTON
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A public report of quarter size hail.

Hail in SCOTT, IOWA
From 04-APR-23 08:48:00 to 04-APR-23 08:48:00 (CST-6)
Location: DAVENPORT ARPT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Hail in SCOTT, IOWA
From 04-APR-23 08:45:00 to 04-APR-23 08:45:00 (CST-6)
Location: DAVENPORT
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported pool ball size hail.

Hail in SCOTT, IOWA
From 04-APR-23 08:45:00 to 04-APR-23 08:45:00 (CST-6)
Location: DAVENPORT ARPT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Penny size hail at the NWS office at the Davenport Municipal Airport.

Hail in SCOTT, IOWA
From 04-APR-23 08:45:00 to 04-APR-23 08:45:00 (CST-6)
Location: ELDRIDGE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in SCOTT, IOWA
From 04-APR-23 08:47:00 to 04-APR-23 08:47:00 (CST-6)
Location: SCOTT COUNTY PARK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in SCOTT, IOWA
From 04-APR-23 08:49:00 to 04-APR-23 08:49:00 (CST-6)
Location: DAVENPORT
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 04-APR-23 07:37:00 to 04-APR-23 07:37:00 (CST-6)
Location: MARION
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LINN, IOWA
From 04-APR-23 07:38:00 to 04-APR-23 07:38:00 (CST-6)
Location: MARION
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LINN, IOWA
From 04-APR-23 07:39:00 to 04-APR-23 07:39:00 (CST-6)
Location: MARION
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LINN, IOWA
From 04-APR-23 07:40:00 to 04-APR-23 07:40:00 (CST-6)
Location: MARION
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 04-APR-23 07:41:00 to 04-APR-23 07:41:00 (CST-6)
Location: MARION
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in SCOTT, IOWA
From 04-APR-23 08:57:00 to 04-APR-23 08:57:00 (CST-6)
Location: DAVENPORT ARPT
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in SCOTT, IOWA
From 04-APR-23 08:50:00 to 04-APR-23 08:50:00 (CST-6)
Location: DAVENPORT ARPT
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SCOTT, IOWA
From 04-APR-23 08:50:00 to 04-APR-23 08:50:00 (CST-6)
Location: DAVENPORT ARPT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

An off duty NWS employee hail up to one inch in diameter fell for about 15 to 20 minutes. The largest hail stones fell around 950 AM with hail covering the ground.

Hail in SCOTT, IOWA
From 04-APR-23 08:51:00 to 04-APR-23 08:51:00 (CST-6)
Location: DAVENPORT
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LINN, IOWA
From 04-APR-23 07:30:00 to 04-APR-23 07:30:00 (CST-6)
Location: HIAWATHA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 04-APR-23 07:34:00 to 04-APR-23 07:34:00 (CST-6)
Location: CEDAR RAPIDS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LINN, IOWA
From 04-APR-23 07:34:00 to 04-APR-23 07:34:00 (CST-6)
Location: CEDAR RAPIDS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 04-APR-23 07:37:00 to 04-APR-23 07:37:00 (CST-6)
Location: MARION
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MUSCATINE, IOWA
From 04-APR-23 08:26:00 to 04-APR-23 08:26:00 (CST-6)
Location: STOCKTON
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A public report of quarter hail amongst many smaller pieces of hail.

Hail in SCOTT, IOWA
From 04-APR-23 08:28:00 to 04-APR-23 08:28:00 (CST-6)
Location: WALCOTT
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail was falling at the time of the report.

Hail in SCOTT, IOWA
From 04-APR-23 08:35:00 to 04-APR-23 08:35:00 (CST-6)
Location: WALCOTT
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

An off duty NWS employee reported 1.25 to 1.5 inch falling right now.

Hail in SCOTT, IOWA
From 04-APR-23 08:41:00 to 04-APR-23 08:41:00 (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 04-APR-23 08:45:00 to 04-APR-23 08:45:00 (CST-6)
Location: DAVENPORT
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SCOTT, IOWA
From 04-APR-23 08:51:00 to 04-APR-23 08:51:00 (CST-6)
Location: DAVENPORT
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LINN, IOWA
From 04-APR-23 07:34:00 to 04-APR-23 07:34:00 (CST-6)
Location: CEDAR RAPIDS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported nickel to quarter size hail.

Hail in LINN, IOWA
From 04-APR-23 07:42:00 to 04-APR-23 07:42:00 (CST-6)
Location: MARION
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported quarter to golf ball size hail.

Hail in SCOTT, IOWA
From 04-APR-23 08:52:00 to 04-APR-23 08:52:00 (CST-6)
Location: DAVENPORT
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported 2.00 to 2.25 inch hail fell north of Kimberly on Pine.

Hail in SCOTT, IOWA
From 04-APR-23 08:54:00 to 04-APR-23 08:54:00 (CST-6)
Location: BETTENDORF
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A public report of 1.50 inch hail.

Hail in SCOTT, IOWA
From 04-APR-23 08:57:00 to 04-APR-23 08:57:00 (CST-6)
Location: DAVENPORT
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in SCOTT, IOWA
From 04-APR-23 08:38:00 to 04-APR-23 08:38:00 (CST-6)
Location: CREDIT ISLAND
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported trees down on the road. The time of the event was estimated using radar.

Hail in LINN, IOWA
From 04-APR-23 07:38:00 to 04-APR-23 07:38:00 (CST-6)
Location: MARION
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported quarter size hail at Linn-Mar High School.

Hail in SCOTT, IOWA
From 04-APR-23 08:50:00 to 04-APR-23 08:50:00 (CST-6)
Location: DAVENPORT
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in SCOTT, IOWA
From 04-APR-23 08:50:00 to 04-APR-23 08:50:00 (CST-6)
Location: DAVENPORT ARPT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

One inch hail reported from a retired NWS employee.

Hail in SCOTT, IOWA
From 04-APR-23 08:46:00 to 04-APR-23 08:46:00 (CST-6)
Location: SCOTT COUNTY PARK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SCOTT, IOWA
From 04-APR-23 08:48:00 to 04-APR-23 08:48:00 (CST-6)
Location: DAVENPORT
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SCOTT, IOWA
From 04-APR-23 08:48:00 to 04-APR-23 08:48:00 (CST-6)
Location: DAVENPORT
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SCOTT, IOWA
From 04-APR-23 08:49:00 to 04-APR-23 08:49:00 (CST-6)
Location: DAVENPORT
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in IOWA, IOWA
From 04-APR-23 07:05:00 to 04-APR-23 07:05:00 (CST-6)
Location: WILLIAMSBURG
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in IOWA, IOWA
From 04-APR-23 07:09:00 to 04-APR-23 07:09:00 (CST-6)
Location: WILLIAMSBURG
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter reported that hail was occurring at the moment of the report.

Hail in LINN, IOWA
From 04-APR-23 07:42:00 to 04-APR-23 07:42:00 (CST-6)
Location: CEDAR RAPIDS
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 04-APR-23 07:42:00 to 04-APR-23 07:42:00 (CST-6)
Location: MARION
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in MUSCATINE, IOWA
From 04-APR-23 08:15:00 to 04-APR-23 08:15:00 (CST-6)
Location: WILTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in LINN, IOWA
From 04-APR-23 07:34:00 to 04-APR-23 07:34:00 (CST-6)
Location: CEDAR RAPIDS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LINN, IOWA
From 04-APR-23 07:40:00 to 04-APR-23 07:40:00 (CST-6)
Location: MARION
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotter reported quarter size hail near Boyson Road and Bowman Elementary.

Hail in LINN, IOWA
From 04-APR-23 07:40:00 to 04-APR-23 07:40:00 (CST-6)
Location: MARION
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in SCOTT, IOWA
From 04-APR-23 08:34:00 to 04-APR-23 08:34:00 (CST-6)
Location: WALCOTT
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Report was relayed by an off duty NWS Employee.

Hail in LINN, IOWA
From 04-APR-23 07:39:00 to 04-APR-23 07:39:00 (CST-6)
Location: MARION
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LINN, IOWA
From 04-APR-23 07:35:00 to 04-APR-23 07:35:00 (CST-6)
Location: CEDAR RAPIDS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LINN, IOWA
From 04-APR-23 07:35:00 to 04-APR-23 07:35:00 (CST-6)
Location: HIAWATHA
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in SCOTT, IOWA
From 04-APR-23 08:40:00 to 04-APR-23 08:40:00 (CST-6)
Location: WEST LAKE PARK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SCOTT, IOWA
From 04-APR-23 08:42:00 to 04-APR-23 08:42:00 (CST-6)
Location: WEST LAKE PARK
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported 2.00 inch hail falling at West Lake Park now.

Hail in SCOTT, IOWA
From 04-APR-23 08:43:00 to 04-APR-23 08:43:00 (CST-6)
Location: ELDRIDGE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

An NWS  employee that mostly pea to dime size hail was falling along with a few stones the size of quarters.

Hail in SCOTT, IOWA
From 04-APR-23 08:44:00 to 04-APR-23 08:44:00 (CST-6)
Location: DAVENPORT
Magnitude: 4.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A public report of mostly two inch hail stones falling with one of those stones estimated to be about 4 inches based on a picture. The time of the event was estimated using radar.

Hail in SCOTT, IOWA
From 04-APR-23 08:49:00 to 04-APR-23 08:49:00 (CST-6)
Location: DAVENPORT ARPT
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Hail in MUSCATINE, IOWA
From 04-APR-23 07:40:00 to 04-APR-23 07:40:00 (CST-6)
Location: NICHOLS
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CLINTON, IOWA
From 04-APR-23 09:51:00 to 04-APR-23 09:51:00 (CST-6)
Location: BULGERS HOLLOW CP GD
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in SCOTT, IOWA
From 04-APR-23 08:38:00 to 04-APR-23 08:38:00 (CST-6)
Location: CREDIT ISLAND
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

An amateur radio operator reported trees down causing an accident on the I-280 bridge. The time of the event estimated from radar.

Hail in LINN, IOWA
From 04-APR-23 07:37:00 to 04-APR-23 07:37:00 (CST-6)
Location: CEDAR RAPIDS
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported that quarter to ping pong ball size hail was falling right now.

Hail in LINN, IOWA
From 04-APR-23 07:37:00 to 04-APR-23 07:37:00 (CST-6)
Location: MARION
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Broadcast media relayed a report of quarter to ping pong ball size hail. Most of the hailstones were quarter size.

Hail in SCOTT, IOWA
From 04-APR-23 08:50:00 to 04-APR-23 08:50:00 (CST-6)
Location: DAVENPORT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SCOTT, IOWA
From 04-APR-23 08:51:00 to 04-APR-23 08:51:00 (CST-6)
Location: DAVENPORT
Magnitude: 3.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

An off duty NWS employee reported 3.00 inch hail falling near North Park Mall.

Hail in SCOTT, IOWA
From 04-APR-23 08:53:00 to 04-APR-23 08:53:00 (CST-6)
Location: PANORAMA PARK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in SCOTT, IOWA
From 04-APR-23 08:53:00 to 04-APR-23 08:53:00 (CST-6)
Location: ELDRIDGE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public