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 HENRY, ILLINOIS
From 03-APR-11 20:06:00 to 03-APR-11 20:06:00 (CST-6)
Location: GREEN RIVER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell 2 miles east southeast of Colona, IL at 906 pm CDT April 3.

Hail in HENRY, ILLINOIS
From 03-APR-11 20:10:00 to 03-APR-11 20:10:00 (CST-6)
Location: GREEN RIVER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell 2 miles southeast of Colona, IL at 910 pm CDT April 3.

Hail in ROCK ISLAND, ILLINOIS
From 03-APR-11 20:11:00 to 03-APR-11 20:11:00 (CST-6)
Location: (MLI) QUAD CITY ARPT
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Ping pong ball sized hail fell at the Quad City Airport in Moline, IL at 911 pm CDT April 3.

Hail in HENRY, ILLINOIS
From 03-APR-11 20:37:00 to 03-APR-11 20:37:00 (CST-6)
Location: ANNAWAN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

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

Hail in BUREAU, ILLINOIS
From 03-APR-11 21:05:00 to 03-APR-11 21:05:00 (CST-6)
Location: PRINCETON
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Ping pong ball sized hail fell in Princeton, IL at 1005 pm CDT April 3.

Hail in BUREAU, ILLINOIS
From 03-APR-11 21:12:00 to 03-APR-11 21:12:00 (CST-6)
Location: PRINCETON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BUREAU, ILLINOIS
From 03-APR-11 21:28:00 to 03-APR-11 21:28:00 (CST-6)
Location: DALZELL
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Golf ball sized hail fell about 1 mile northwest of Dalzell, IL on Interstate 80 near mile marker 72 at 1028 pm CDT April 3.

Hail in JO DAVIESS, ILLINOIS
From 03-APR-11 23:01:00 to 03-APR-11 23:01:00 (CST-6)
Location: STOCKTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in MCDONOUGH, ILLINOIS
From 03-APR-11 23:30:00 to 03-APR-11 23:30:00 (CST-6)
Location: COLMAR
Magnitude: 43.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Newspaper

A wind gust estimated to be 50 mph tore an awning from its mountings on Ma & Pa's Restaurant just east of Plymouth, IL during the early morning hours of April 4.  Time estimated.

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

Hail in ROCK ISLAND, ILLINOIS
From 03-APR-11 19:44:00 to 03-APR-11 19:44:00 (CST-6)
Location: ANDALUSIA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell in Andalusia, IL at 844 pm CDT April 3.

Hail in ROCK ISLAND, ILLINOIS
From 03-APR-11 19:48:00 to 03-APR-11 19:48:00 (CST-6)
Location: EDGINGTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell 4 miles south southwest of Andalusia, IL at 848 pm CDT April 3.

Hail in ROCK ISLAND, ILLINOIS
From 03-APR-11 19:50:00 to 03-APR-11 19:50:00 (CST-6)
Location: BLACKHAWK STATE PARK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell in Rock Island, IL at 850 pm CDT April 3.

Hail in ROCK ISLAND, ILLINOIS
From 03-APR-11 20:00:00 to 03-APR-11 20:00:00 (CST-6)
Location: SILVIS HGTS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell in East Moline, IL at 900 pm CDT April 3.

Hail in ROCK ISLAND, ILLINOIS
From 03-APR-11 20:01:00 to 03-APR-11 20:01:00 (CST-6)
Location: SILVIS HGTS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell 2 miles south of East Moline, IL at 901 pm CDT April 3.

Hail in HENRY, ILLINOIS
From 03-APR-11 20:03:00 to 03-APR-11 20:03:00 (CST-6)
Location: GREEN ROCK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell 5 miles south southeast of East Moline, IL at 903 pm CDT April 3.

Hail in HENRY, ILLINOIS
From 03-APR-11 20:05:00 to 03-APR-11 20:05:00 (CST-6)
Location: COLONA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell in Colona, IL at 905 pm CDT April 3.

Hail in HENRY, ILLINOIS
From 03-APR-11 20:05:00 to 03-APR-11 20:05:00 (CST-6)
Location: SUNNY HILL
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HENRY, ILLINOIS
From 03-APR-11 20:03:00 to 03-APR-11 20:10:00 (CST-6)
Location: SHADY BEACH
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell 3 miles east southeast of Osborn, IL from about 903 pm to 910 pm CDT April 3.

Hail in ROCK ISLAND, ILLINOIS
From 03-APR-11 19:57:00 to 03-APR-11 19:57:00 (CST-6)
Location: SILVIS HGTS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell in East Moline, IL at 857 pm CDT April 3.

Thunderstorm Wind in HENRY, ILLINOIS
From 03-APR-11 20:05:00 to 03-APR-11 20:05:00 (CST-6)
Location: COLONA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 60 mph were observed in Colona, IL at 905 pm CDT April 3.