A line of thunderstorms moved eastward across eastern Iowa, northeast Missouri, and northern Illinois during the early morning hours of June 6 ahead of an approaching cold front.

Thunderstorm Wind in DUBUQUE, IOWA
From 06-JUN-08 02:41:00 to 06-JUN-08 02:41:00 (CST-6)
Location: (DBQ)DUBUQUE MUNI AR
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A 61 mph wind gust was measured by the Automated Surface Observing System at the Dubuque Regional Airport in Dubuque, IA at 3:41 am June 6.

High Wind in KEOKUK, IOWA
From 06-JUN-08 00:05:00 to 06-JUN-08 00:05:00 (CST-6)
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Gradient wind gusts estimated to be between 55 and 65 mph blew down some 4 inch diameter branches in Keota, IA at 1:05 am June 6.  This report was relayed by the National Weather Service Office in Des Moines.

Thunderstorm Wind in BENTON, IOWA
From 06-JUN-08 00:43:00 to 06-JUN-08 00:43:00 (CST-6)
Location: KEYSTONE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Wind gusts were estimated to be at least 60 mph in Keystone, IA at 1:43 am June 6. A power outage was also reported.  This report was relayed by the Benton County Emergency Manager.

Thunderstorm Wind in BENTON, IOWA
From 06-JUN-08 00:46:00 to 06-JUN-08 00:46:00 (CST-6)
Location: VAN HORNE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Wind gusts were estimated to be at least 60 mph in Van Horne, IA at 1:46 am June 6.

Thunderstorm Wind in BENTON, IOWA
From 06-JUN-08 00:48:00 to 06-JUN-08 00:48:00 (CST-6)
Location: GARRISON
Magnitude: 56.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Wind gusts estimated to be 65 mph ripped off the roof of a machine shed just southeast of Garrison, IA at 1:48 am June 6.  The roof was blown into some power lines causing a power outage in the area.

Thunderstorm Wind in BENTON, IOWA
From 06-JUN-08 00:48:00 to 06-JUN-08 00:48:00 (CST-6)
Location: KEYSTONE
Magnitude: 53.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were measured to be 61 mph about 4 miles southwest of Van Horne, IA at 1:48 am June 6.

Thunderstorm Wind in BENTON, IOWA
From 06-JUN-08 00:50:00 to 06-JUN-08 00:50:00 (CST-6)
Location: BELLE PLAINE
Magnitude: 61.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Wind gusts estimated to be 70 mph ripped the roof off a house just north of Belle Plaine, IA at 1:50 am June 6.

Thunderstorm Wind in BENTON, IOWA
From 06-JUN-08 01:02:00 to 06-JUN-08 01:02:00 (CST-6)
Location: URBANA
Magnitude: 61.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Wind gusts estimated to be 70 mph damaged several Iowa DOT buildings near the intersection of Interstate 380 and Highway 150 just northwest of Urbana, IA at 2:02 am June 6.  The roof was blown off of a salt shed, a pole building was partially destroyed, a wood shed was destroyed, a steel building was seriously damaged, and a brick garage was damaged.

Thunderstorm Wind in DES MOINES, IOWA
From 06-JUN-08 02:28:00 to 06-JUN-08 02:28:00 (CST-6)
Location: (BRL)BURLINGTON MUNI
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A 60 mph wind gust was measured by the Automated Surface Observing System at the Southeast Iowa Regional Airport in Burlington, IA at 3:28 am June 6.

Thunderstorm Wind in BENTON, IOWA
From 06-JUN-08 00:36:00 to 06-JUN-08 00:36:00 (CST-6)
Location: BELLE PLAINE
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Wind gusts were estimated at 60 to 65 mph in Belle Plaine, IA at 1:36 am June 6.

Thunderstorm Wind in BENTON, IOWA
From 06-JUN-08 00:42:00 to 06-JUN-08 00:42:00 (CST-6)
Location: KEYSTONE
Magnitude: 61.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Wind gusts estimated to be 70 mph blew a grain bin over in Keystone, IA at 1:42 am June 6.  The grain bin struck some power lines resulting in a power outage for the area.