A warm front lifted northward across the region during the morning of April 3, allowing for strong southerly winds behind the front to bring warmer air into the region.  Showers and thunderstorms spread into the area during the afternoon and evening, as a cold front tracked across the area.  Some storms were severe, producing large hail and damaging winds. High temperatures were well above normal, ranging from the upper 60s in northeast Iowa and northern Illinois to the upper 70s in southeast Iowa, western Illinois and northeast Missouri.

Hail in CLINTON, IOWA
From 03-APR-11 19:20:00 to 03-APR-11 19:20:00 (CST-6)
Location: DEWITT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MUSCATINE, IOWA
From 03-APR-11 19:21:00 to 03-APR-11 19:21:00 (CST-6)
Location: ARDON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Golf ball sized hail fell 3 miles west of Muscatine, IA at 821 pm CDT April 3.

Hail in MUSCATINE, IOWA
From 03-APR-11 19:21:00 to 03-APR-11 19:21:00 (CST-6)
Location: MUSCATINE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DUBUQUE, IOWA
From 03-APR-11 19:21:00 to 03-APR-11 19:21:00 (CST-6)
Location: ASBURY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell 4 miles west northwest of Dubuque, IA at 821 pm CDT April 3.

Hail in DUBUQUE, IOWA
From 03-APR-11 19:21:00 to 03-APR-11 19:21:00 (CST-6)
Location: DUBUQUE
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Two inch diameter hail fell 1 mile east northeast of Dubuque, IA at 821 pm CDT April 3.

Hail in DUBUQUE, IOWA
From 03-APR-11 19:21:00 to 03-APR-11 19:21:00 (CST-6)
Location: DUBUQUE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DUBUQUE, IOWA
From 03-APR-11 19:21:00 to 03-APR-11 19:21:00 (CST-6)
Location: DUBUQUE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Golf ball sized hail fell 1 mile south southeast of Dubuque, IA at 821 pm CDT April 3.

Hail in MUSCATINE, IOWA
From 03-APR-11 19:22:00 to 03-APR-11 19:22:00 (CST-6)
Location: MUSCATINE
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Half dollar sized hail fell in Muscatine, IA at 822 pm CDT April 3.

Hail in DUBUQUE, IOWA
From 03-APR-11 19:23:00 to 03-APR-11 19:23:00 (CST-6)
Location: CENTER GROVE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Golf ball sized hail fell at Clarke University in Dubuque, IA at 823 pm CDT April 3.

Hail in DUBUQUE, IOWA
From 03-APR-11 19:24:00 to 03-APR-11 19:24:00 (CST-6)
Location: CENTER GROVE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell 1 mile north of Dubuque, IA at 824 pm CDT April 3.

Hail in MUSCATINE, IOWA
From 03-APR-11 19:25:00 to 03-APR-11 19:25:00 (CST-6)
Location: MUSCATINE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MUSCATINE, IOWA
From 03-APR-11 19:25:00 to 03-APR-11 19:25:00 (CST-6)
Location: MUSCATINE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JOHNSON, IOWA
From 03-APR-11 17:40:00 to 03-APR-11 17:40:00 (CST-6)
Location: SWISHER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Golf ball sized hail fell in Swisher, IA at 640 pm CDT April 3.

Hail in LINN, IOWA
From 03-APR-11 17:44:00 to 03-APR-11 17:44:00 (CST-6)
Location: (CID)CEDAR RAPIDS AR
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Golf ball sized hail fell about 1 mile south of the Cedar Rapids Airport or about 10 miles south southwest of Cedar Rapids, IA at 644 pm CDT April 3.

Hail in KEOKUK, IOWA
From 03-APR-11 17:47:00 to 03-APR-11 17:47:00 (CST-6)
Location: SOUTH ENGLISH
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Quarter sized hail fell 3 miles northeast of Webster, IA around 647 pm CDT April 3.

Hail in IOWA, IOWA
From 03-APR-11 17:50:00 to 03-APR-11 17:50:00 (CST-6)
Location: AMANA APT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Quarter sized hail fell in Amana, IA at 650 pm CDT April 3.

Hail in MUSCATINE, IOWA
From 03-APR-11 19:27:00 to 03-APR-11 19:27:00 (CST-6)
Location: MUSCATINE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell 2 miles east northeast of Muscatine, IA at 827 pm CDT April 3.

Hail in MUSCATINE, IOWA
From 03-APR-11 19:27:00 to 03-APR-11 19:27:00 (CST-6)
Location: MUSCATINE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Ping pong ball sized hail fell 2 miles east northeast of Muscatine, IA at 827 pm CDT April 3.

Hail in DUBUQUE, IOWA
From 03-APR-11 19:30:00 to 03-APR-11 19:30:00 (CST-6)
Location: DUBUQUE
Magnitude: 3.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Grapefruit sized hail fell 1 mile east northeast of Dubuque, IA at 830 pm CDT April 3 filling the streets with hail.

Hail in LOUISA, IOWA
From 03-APR-11 19:31:00 to 03-APR-11 19:31:00 (CST-6)
Location: GRANDVIEW
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell in Grandview, IA at 831 pm CDT April 3.

Hail in IOWA, IOWA
From 03-APR-11 17:10:00 to 03-APR-11 17:10:00 (CST-6)
Location: LADORA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in IOWA, IOWA
From 03-APR-11 17:14:00 to 03-APR-11 17:14:00 (CST-6)
Location: MARENGO
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in IOWA, IOWA
From 03-APR-11 17:17:00 to 03-APR-11 17:17:00 (CST-6)
Location: MARENGO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell 1 mile south of Marengo, IA at 617 pm CDT April 3.

Hail in BENTON, IOWA
From 03-APR-11 17:32:00 to 03-APR-11 17:32:00 (CST-6)
Location: ATKINS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in IOWA, IOWA
From 03-APR-11 17:32:00 to 03-APR-11 17:32:00 (CST-6)
Location: MIDDLE AMANA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Golf ball sized hail fell 2 miles west of Amana, IA at 632 pm CDT April 3.

Hail in DUBUQUE, IOWA
From 03-APR-11 18:22:00 to 03-APR-11 18:22:00 (CST-6)
Location: WORTHINGTON
Magnitude: 1.75 
Property damage: 1.00M
Crop damage: 0.00K
Reported by: Law Enforcement

Golf ball sized hail fell 1 mile north of Worthington, IA around 722 pm CDT April 3.

Hail in MUSCATINE, IOWA
From 03-APR-11 19:37:00 to 03-APR-11 19:37:00 (CST-6)
Location: MUSCATINE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in IOWA, IOWA
From 03-APR-11 17:34:00 to 03-APR-11 17:34:00 (CST-6)
Location: LADORA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell in Ladora, IA at 634 pm CDT April 3.

Hail in BENTON, IOWA
From 03-APR-11 17:34:00 to 03-APR-11 17:34:00 (CST-6)
Location: ATKINS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell 1 mile south southeast of Atkins, IA at 634 pm CDT April 3.

Thunderstorm Wind in JOHNSON, IOWA
From 03-APR-11 17:45:00 to 03-APR-11 17:45:00 (CST-6)
Location: NORTH LIBERTY
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 70 mph were observed 1 mile north of North Liberty, IA at 645 pm CDT April 3.

Hail in VAN BUREN, IOWA
From 03-APR-11 19:48:00 to 03-APR-11 19:48:00 (CST-6)
Location: MT STERLING
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LEE, IOWA
From 03-APR-11 20:29:00 to 03-APR-11 20:29:00 (CST-6)
Location: KEOKUK ARPT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell 6 miles north northwest of Keokuk, IA at 929 pm CDT April 3.

Hail in JOHNSON, IOWA
From 03-APR-11 17:47:00 to 03-APR-11 17:47:00 (CST-6)
Location: SWISHER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Golf ball sized hail fell 1 mile east of Swisher, IA at 647 pm CDT April 3.

Hail in JOHNSON, IOWA
From 03-APR-11 17:51:00 to 03-APR-11 17:51:00 (CST-6)
Location: SWISHER
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Two inch diameter hail fell 1 mile southwest of Swisher, IA at 651 pm CDT April 3.

Hail in LINN, IOWA
From 03-APR-11 17:57:00 to 03-APR-11 17:57:00 (CST-6)
Location: CENTRAL CITY ARPT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell 4 miles east of Alburnett, IA at 657 pm CDT April 3.

Hail in KEOKUK, IOWA
From 03-APR-11 18:04:00 to 03-APR-11 18:04:00 (CST-6)
Location: SIGOURNEY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DELAWARE, IOWA
From 03-APR-11 18:14:00 to 03-APR-11 18:14:00 (CST-6)
Location: HOPKINTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Quarter sized hail fell 1 mile west of Hopkinton, IA at 714 pm CDT April 3.

Hail in DELAWARE, IOWA
From 03-APR-11 18:17:00 to 03-APR-11 18:17:00 (CST-6)
Location: HOPKINTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Quarter sized hail fell in Hopkinton, IA at 717 pm CDT April 3.

Hail in DUBUQUE, IOWA
From 03-APR-11 18:28:00 to 03-APR-11 18:28:00 (CST-6)
Location: DYERSVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Quarter sized hail fell 1 mile southeast of Dyersville, IA at 728 pm CDT April 3.

Hail in WASHINGTON, IOWA
From 03-APR-11 18:49:00 to 03-APR-11 18:49:00 (CST-6)
Location: RIVERSIDE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Golf ball sized hail fell 2 miles east southeast of Riverside, IA at 749 pm CDT April 3.

Hail in LINN, IOWA
From 03-APR-11 18:05:00 to 03-APR-11 18:05:00 (CST-6)
Location: PRAIRIEBURG
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Half dollar sized hail fell in Prairieburg, IA at 705 pm CDT April 3.

Hail in DUBUQUE, IOWA
From 03-APR-11 18:40:00 to 03-APR-11 18:40:00 (CST-6)
Location: BANKSTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell 2 miles north northwest of Bankston, IA at 740 pm CDT April 3.

Hail in CEDAR, IOWA
From 03-APR-11 18:50:00 to 03-APR-11 18:50:00 (CST-6)
Location: LOWDEN
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Ping pong ball sized hail fell in Lowden, IA at 750 pm CDT April 3.

Hail in JEFFERSON, IOWA
From 03-APR-11 19:00:00 to 03-APR-11 19:00:00 (CST-6)
Location: FAIRFIELD
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MUSCATINE, IOWA
From 03-APR-11 19:02:00 to 03-APR-11 19:02:00 (CST-6)
Location: CONESVILLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in JEFFERSON, IOWA
From 03-APR-11 19:04:00 to 03-APR-11 19:04:00 (CST-6)
Location: FAIRFIELD
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in IOWA, IOWA
From 03-APR-11 17:25:00 to 03-APR-11 17:25:00 (CST-6)
Location: HOMESTEAD
Magnitude: 1.75 
Property damage: 1.00M
Crop damage: 0.00K
Reported by: Trained Spotter

Golf ball sized hail fell 2 miles south of Amana, IA around 625 pm CDT April 3.

Hail in DUBUQUE, IOWA
From 03-APR-11 19:16:00 to 03-APR-11 19:16:00 (CST-6)
Location: DUBUQUE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Golf ball sized hail fell 7 miles southwest of Dubuque, IA in Swiss Valley at 816 pm CDT April 3.

Hail in MUSCATINE, IOWA
From 03-APR-11 19:18:00 to 03-APR-11 19:18:00 (CST-6)
Location: MUSCATINE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell near Muscatine, IA at 818 pm CDT April 3.

Hail in DUBUQUE, IOWA
From 03-APR-11 19:19:00 to 03-APR-11 19:19:00 (CST-6)
Location: CENTER GROVE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Golf ball sized hail fell on the south side of Dubuque, IA at 819 pm CDT April 3.

Hail in IOWA, IOWA
From 03-APR-11 17:29:00 to 03-APR-11 17:29:00 (CST-6)
Location: GENOA BLUFF
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Golf ball sized hail fell about 5 miles south of Ladora, IA near mile marker 210.5 on Interstate 80 at 629 pm CDT April 3.

Hail in LINN, IOWA
From 03-APR-11 17:45:00 to 03-APR-11 17:45:00 (CST-6)
Location: HIAWATHA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Quarter sized hail fell in Hiawatha, IA at 645 pm CDT April 3.

Hail in DUBUQUE, IOWA
From 03-APR-11 19:29:00 to 03-APR-11 19:29:00 (CST-6)
Location: DUBUQUE
Magnitude: 3.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hockey puck sized hail fell 1 mile northeast of Dubuque, IA at 829 pm CDT April 3.

Hail in DUBUQUE, IOWA
From 03-APR-11 18:34:00 to 03-APR-11 18:34:00 (CST-6)
Location: BANKSTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Quarter sized hail fell in Bankston, IA at 734 pm CDT April 3.