A stalled boundary produced a couple of rounds of severe storms with very heavy rain producing flash flooding, several reports of damaging winds of 60 to 70 mph, and isolated, large hail in the afternoon and lasting into the overnight hours.

Thunderstorm Wind in DES MOINES, IOWA
From 10-JUL-17 03:56:00 to 10-JUL-17 03:56:00 (CST-6)
Location: NORTHFIELD
Magnitude: 61.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The county emergency manager reported power lines were down and entangled with trees at Highway 61 north 260th Street. The local dispatch center power was out and operating on portable backups.

Thunderstorm Wind in LEE, IOWA
From 10-JUL-17 18:11:00 to 10-JUL-17 18:11:00 (CST-6)
Location: FT MADISON
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

The local fire department reported 2 trees were down in Fort Madison.  The fire department removed them from the road.

Thunderstorm Wind in DES MOINES, IOWA
From 10-JUL-17 03:52:00 to 10-JUL-17 03:52:00 (CST-6)
Location: MEDIAPOLIS SHARAR AR
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The county emergency manager reported many trees were down.  Some trees were snapped in half. A ladder was found in the roof of a house that was blown out of a machine shed.

Thunderstorm Wind in DUBUQUE, IOWA
From 10-JUL-17 01:42:00 to 10-JUL-17 01:42:00 (CST-6)
Location: DURANGO
Magnitude: 61.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The county emergency manager reported several trees and branches down resulting in sporadic damage.

Thunderstorm Wind in JONES, IOWA
From 10-JUL-17 01:54:00 to 10-JUL-17 01:54:00 (CST-6)
Location: CENTER JCT
Magnitude: 61.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The county emergency manager reported a large tree on a house, also a tree blocking a road with an area of corn snapped off.

Thunderstorm Wind in MUSCATINE, IOWA
From 10-JUL-17 03:17:00 to 10-JUL-17 03:17:00 (CST-6)
Location: CONESVILLE
Magnitude: 61.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Broadcast Media

The local TV station KCRG in Cedar Rapids reported multiple roads blocked by fallen trees.  Carports were blown over and power lines down.

Thunderstorm Wind in LOUISA, IOWA
From 10-JUL-17 03:36:00 to 10-JUL-17 03:36:00 (CST-6)
Location: WAPELLO
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The county emergency manager reported several large trees were split in half.

Thunderstorm Wind in KEOKUK, IOWA
From 11-JUL-17 04:40:00 to 11-JUL-17 04:40:00 (CST-6)
Location: THORNBURG
Magnitude: 55.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

A public report was received via local broadcast media of at least two trees down in Thornburg.  One tree was on a home and the other on power lines.

Hail in WASHINGTON, IOWA
From 10-JUL-17 04:08:00 to 10-JUL-17 04:08:00 (CST-6)
Location: RICHMOND
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in WASHINGTON, IOWA
From 11-JUL-17 05:06:00 to 11-JUL-17 05:06:00 (CST-6)
Location: WELLMAN
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

A local state official reported a tree limb down and was laying across the road in Wellman.