An upper level disturbance tracked over northern Missouri and Iowa April 17th and 18th bringing several rounds of showers and thunderstorms to the region. Heavy rains of 3 to 7 inches were recorded over the 48 hour period. This resulted in widespread flash flooding. Some of the stronger storms produced large up to quarter sized.

Hail in MCDONOUGH, ILLINOIS
From 17-APR-13 13:58:00 to 17-APR-13 13:58:00 (CST-6)
Location: COLCHESTER
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HANCOCK, ILLINOIS
From 17-APR-13 14:26:00 to 17-APR-13 14:26:00 (CST-6)
Location: BOWEN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell in Bowen, IL at 326 pm CDT April 17.

Hail in HANCOCK, ILLINOIS
From 17-APR-13 14:31:00 to 17-APR-13 14:31:00 (CST-6)
Location: BENTLEY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HANCOCK, ILLINOIS
From 17-APR-13 14:40:00 to 17-APR-13 14:40:00 (CST-6)
Location: AUGUSTA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell in Augusta, IL at 340 pm CDT April 17.

Hail in HANCOCK, ILLINOIS
From 17-APR-13 15:44:00 to 17-APR-13 15:44:00 (CST-6)
Location: AUGUSTA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in HANCOCK, ILLINOIS
From 17-APR-13 15:00:00 to 17-APR-13 15:00:00 (CST-6)
Location: AUGUSTA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

Quarter sized hail fell at the Post Office in Augusta, IL around 400 pm CDT April 17.  This report was relayed by the COOP observer in Augusta.

Flood in HENDERSON, ILLINOIS
From 17-APR-13 14:30:00 to 18-APR-13 11:00:00 (CST-6)
Location: BIG RIVER ST FOREST
Flood cause: Heavy Rain
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several rounds of heavy rains fell across much of Henderson County from the afternoon of April 17 through the morning of April 18.

Flood in HANCOCK, ILLINOIS
From 17-APR-13 14:30:00 to 18-APR-13 11:00:00 (CST-6)
Location: LA HARPE
Flood cause: Heavy Rain
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several rounds of heavy rains fell across Hancock County resulting in flash flooding across much of the county during the afternoon of April 17 through the morning of April 18.

Hail in MCDONOUGH, ILLINOIS
From 17-APR-13 15:11:00 to 17-APR-13 15:11:00 (CST-6)
Location: INDUSTRY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WARREN, ILLINOIS
From 17-APR-13 06:12:00 to 17-APR-13 06:12:00 (CST-6)
Location: YOUNGSTOWN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell 1 mile south of Youngstown, IL around 712 am CDT April 17.

Hail in WHITESIDE, ILLINOIS
From 17-APR-13 07:40:00 to 17-APR-13 07:40:00 (CST-6)
Location: FULTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MERCER, ILLINOIS
From 17-APR-13 11:50:00 to 17-APR-13 11:50:00 (CST-6)
Location: NEW BOSTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in HENRY, ILLINOIS
From 17-APR-13 12:44:00 to 17-APR-13 12:44:00 (CST-6)
Location: ALPHA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HENRY, ILLINOIS
From 17-APR-13 13:37:00 to 17-APR-13 13:37:00 (CST-6)
Location: KEWANEE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in HANCOCK, ILLINOIS
From 17-APR-13 13:40:00 to 17-APR-13 13:40:00 (CST-6)
Location: BOWEN
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HANCOCK, ILLINOIS
From 17-APR-13 13:42:00 to 17-APR-13 13:42:00 (CST-6)
Location: BOWEN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell in Bowen, IL at 242 pm CDT April 17.

Hail in MCDONOUGH, ILLINOIS
From 17-APR-13 13:45:00 to 17-APR-13 13:45:00 (CST-6)
Location: FANDON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Quarter sized hail fell 4 miles south of Colchester, IL at 245 pm CDT April 17.

Hail in MCDONOUGH, ILLINOIS
From 17-APR-13 13:46:00 to 17-APR-13 13:46:00 (CST-6)
Location: COLCHESTER
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MCDONOUGH, ILLINOIS
From 17-APR-13 13:43:00 to 17-APR-13 13:43:00 (CST-6)
Location: COLMAR
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MCDONOUGH, ILLINOIS
From 17-APR-13 13:55:00 to 17-APR-13 13:55:00 (CST-6)
Location: ARGYLE LAKE SP
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell 4 miles west southwest of Macomb, IL at 255 pm CDT April 17.

Hail in MCDONOUGH, ILLINOIS
From 17-APR-13 13:58:00 to 17-APR-13 13:58:00 (CST-6)
Location: MACOMB
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Flash Flood in MCDONOUGH, ILLINOIS
From 17-APR-13 14:00:00 to 18-APR-13 08:00:00 (CST-6)
Location: BLANDINSVILLE
Flood cause: Heavy Rain
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several rounds of heavy rain-producing showers and thunderstorms resulted in flash flooding across much of Mc Donough County from mid afternoon on April 17 through the morning of April 18.

Flash Flood in CARROLL, ILLINOIS
From 17-APR-13 11:30:00 to 17-APR-13 17:00:00 (CST-6)
Location: MARCUS
Flood cause: Heavy Rain
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several rounds of heavy rains resulted in some flash flooding of much of Carroll County during the afternoon hours of April 17.