Widespread showers and thunderstorms developed ahead of a weather system.  Significant rainfall, as well as tornadoes, damaging winds and large hail occurred with the stronger storms.

Flash Flood in BOND, ILLINOIS
From 18-APR-13 11:00:00 to 18-APR-13 17:00:00 (CST-6)
Location: SORENTO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Up to four inches of rain fell in a short amount of time over Bond County causing flash flooding.  Numerous roads were flooded including streets in Greenville.

Flash Flood in ST. CLAIR, ILLINOIS
From 18-APR-13 11:30:00 to 18-APR-13 17:00:00 (CST-6)
Location: VENICE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Up to four inches of rain fell in a short amount of time over St. Clair County causing flash flooding.  Numerous roads were flooded including roads in Scott AFB with 6 to 18 inches of water over them.  Highway 13, near intersection with Highway 157, was closed due to 6 feet of water over the road under a railroad viaduct.

Flash Flood in MONROE, ILLINOIS
From 18-APR-13 12:30:00 to 18-APR-13 17:00:00 (CST-6)
Location: COLUMBIA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Up to five inches of rain fell in a short amount of time over Monroe County causing flash flooding.  Numerous roads were flooded including portions of Bluff Road and Brandt Road.

Thunderstorm Wind in ADAMS, ILLINOIS
From 17-APR-13 18:06:00 to 17-APR-13 18:06:00 (CST-6)
Location: COATSBURG
Magnitude: 74.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in ADAMS, ILLINOIS
From 17-APR-13 18:15:00 to 17-APR-13 18:15:00 (CST-6)
Location: BIGNECK
Magnitude: 78.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in ADAMS, ILLINOIS
From 17-APR-13 18:20:00 to 17-APR-13 18:20:00 (CST-6)
Location: GOLDEN
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds blew down several power lines in Golden.

Thunderstorm Wind in ADAMS, ILLINOIS
From 17-APR-13 18:38:00 to 17-APR-13 18:38:00 (CST-6)
Location: KINGSTON
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds blew off part of the roof of a large shed on the southwest side of Kingston.

Thunderstorm Wind in ADAMS, ILLINOIS
From 17-APR-13 18:53:00 to 17-APR-13 18:53:00 (CST-6)
Location: CLAYTON
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds caused a carport to collapse in Clayton.

Thunderstorm Wind in ADAMS, ILLINOIS
From 17-APR-13 17:45:00 to 17-APR-13 17:58:00 (CST-6)
Location: QUINCY
Magnitude: 67.00 MG
Crop damage: 0.00K
Reported by: ASOS

Thunderstorms winds caused a wide swath of damage extending from downtown Quincy near the Mississippi River eastward to Quincy Regional Airport.  Numerous power lines and tree limbs as well several trees were blown down around town.  One building had a portion of a wall peeled off at the intersection of Broadway and 48th Street.  A bank at the intersection of Koch's Lane and 24th Street had minor roof damage.  An 18 foot long construction trailer was blown south through the front wall of a Staples store on Broadway Street across from the mall.  A restaurant near the airport sustained moderate damage.