A nearly stationary frontal boundary interacting with an unseasonably warm and moist airmass brought widespread showers and thunderstorms to parts of central Illinois from the later afternoon of April 17th through the morning of April 18th.  Several rounds of thunderstorms impacted west-central and central Illinois producing torrential rainfall and major flash flooding along and west of a Rushville to Minonk line.  Rainfall totals ranged from 5 to 8 inches across most of this area. In addition, periodic severe thunderstorms produced large hail and damaging winds.

Flash Flood in KNOX, ILLINOIS
From 18-APR-13 00:00:00 to 18-APR-13 09:00:00 (CST-6)
Location: YATES CITY
Flood cause: Heavy Rain
Property damage: 39.50M
Crop damage: 0.00K
Reported by: Emergency Manager

Torrential rainfall of 4.00 to 8.00 inches resulted in damage to thousands of houses and businesses in the county, including several in the cities of Galesburg and Knoxville. Every creek and stream in the county was flooded. Nearly every road in the county was impassable, and several water rescues were made. This rainfall lead to record or near record flooding on the Spoon River from April 18th through the 24th.

Flash Flood in SCHUYLER, ILLINOIS
From 17-APR-13 20:30:00 to 18-APR-13 09:00:00 (CST-6)
Location: BADER
Flood cause: Heavy Rain
Property damage: 2.00M
Crop damage: 0.00K
Reported by: Emergency Manager

Torrential rainfall of 3.00 to 8.00 inches resulted in damage to hundreds of houses in the county, which included several basement walls which collapsed. Nearly every creek and stream in the county was flooded, which damaged a few bridges and culverts. Nearly every road in the county was also impassable with water one to two feet deep in spots. Several water rescues were made.

Flash Flood in STARK, ILLINOIS
From 17-APR-13 23:30:00 to 18-APR-13 09:00:00 (CST-6)
Location: WEST JERSEY
Flood cause: Heavy Rain
Property damage: 5.00M
Crop damage: 0.00K
Reported by: Emergency Manager

Torrential rainfall of 5.00 to 8.00 inches resulted in damage to nearly one thousand houses and businesses in the county. Every creek and stream in the county was flooded. Every road in the county was impassable, and several water rescues were made.

Flash Flood in TAZEWELL, ILLINOIS
From 17-APR-13 21:15:00 to 18-APR-13 09:00:00 (CST-6)
Location: PARKLAND
Flood cause: Heavy Rain
Property damage: 31.40M
Crop damage: 0.00K
Reported by: Emergency Manager

Very heavy rainfall of 3.00 to 5.00 inches resulted in damage to thousands of houses and businesses in the county, which included the cities of East Peoria, Pekin, Washington and Morton. Every creek and stream in the western and northern part of the county was flooded. Nearly every road in the flooded area was impassable, including parts of Interstate 74 which had to be closed. Numerous water rescues were made. Mudslides were also reported on the bluffs along the Illinois River which did damage to a gas station and covered U.S. Highway 150 with several inches of mud.

Hail in VERMILION, ILLINOIS
From 17-APR-13 06:20:00 to 17-APR-13 06:21:00 (CST-6)
Location: FAIRMOUNT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in FULTON, ILLINOIS
From 17-APR-13 14:24:00 to 17-APR-13 14:25:00 (CST-6)
Location: CUBA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in KNOX, ILLINOIS
From 17-APR-13 13:17:00 to 17-APR-13 13:18:00 (CST-6)
Location: GALESBURG
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SCHUYLER, ILLINOIS
From 17-APR-13 14:45:00 to 17-APR-13 14:46:00 (CST-6)
Location: BROOKLYN
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in FULTON, ILLINOIS
From 17-APR-13 15:09:00 to 17-APR-13 15:10:00 (CST-6)
Location: BANNER
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in FULTON, ILLINOIS
From 17-APR-13 15:17:00 to 17-APR-13 15:18:00 (CST-6)
Location: LEWISTOWN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in FULTON, ILLINOIS
From 17-APR-13 15:17:00 to 17-APR-13 15:18:00 (CST-6)
Location: CUBA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in SHELBY, ILLINOIS
From 17-APR-13 16:42:00 to 17-APR-13 16:43:00 (CST-6)
Location: SEXSON CORNER
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WOODFORD, ILLINOIS
From 17-APR-13 17:45:00 to 17-APR-13 17:46:00 (CST-6)
Location: ROANOKE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in CHAMPAIGN, ILLINOIS
From 17-APR-13 17:41:00 to 17-APR-13 17:42:00 (CST-6)
Location: SIDNEY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WOODFORD, ILLINOIS
From 17-APR-13 17:41:00 to 17-APR-13 17:42:00 (CST-6)
Location: ROANOKE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in TAZEWELL, ILLINOIS
From 17-APR-13 18:10:00 to 17-APR-13 18:11:00 (CST-6)
Location: WASHINGTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in CHAMPAIGN, ILLINOIS
From 18-APR-13 06:50:00 to 18-APR-13 06:55:00 (CST-6)
Location: PROSPECT
Magnitude: 61.00 EG
Property damage: 60.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Fifteen power poles were knocked down along U.S. Route 136 near Rantoul. Several semi-trailers were also blown over.

Thunderstorm Wind in DOUGLAS, ILLINOIS
From 18-APR-13 07:37:00 to 18-APR-13 07:42:00 (CST-6)
Location: CAMARGO
Magnitude: 61.00 EG
Property damage: 35.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A front porch was detached from a house, roof damage occurred to two homes, a large shed had its doors blown in, and several trees were knocked down.

Thunderstorm Wind in DOUGLAS, ILLINOIS
From 18-APR-13 07:45:00 to 18-APR-13 07:50:00 (CST-6)
Location: MURDOCK
Magnitude: 61.00 EG
Property damage: 7.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The steel door of a large shed was bent and destroyed. In addition, a couple of small trees were uprooted.

Flash Flood in FULTON, ILLINOIS
From 17-APR-13 21:00:00 to 18-APR-13 09:00:00 (CST-6)
Location: BRERETON
Flood cause: Heavy Rain
Property damage: 12.20M
Crop damage: 0.00K
Reported by: Emergency Manager

Torrential rainfall of 4.00 to 8.00 inches resulted in damage to nearly 2000 houses in the county. Several homes had to be evacuated in the town of London Mills. Every creek and stream in the county was flooded, which damaged a few levees and culverts. Nearly every road in the county was impassable, and numerous water rescues were made. This rainfall lead to record or near record flooding on the Spoon River from April 18th through the 24th.

Flash Flood in WOODFORD, ILLINOIS
From 17-APR-13 22:00:00 to 18-APR-13 09:00:00 (CST-6)
Location: PEORIA HGTS
Flood cause: Heavy Rain
Property damage: 5.00M
Crop damage: 0.00K
Reported by: Emergency Manager

Rainfall rates of 2.00 inches for two to three hours produced nearly 7.00 inches of rain in rural sections of western Woodford County. Hundreds of homes were damaged in northwest and western parts of the county. All roads were impassable and water rescues were made. No injuries were reported.

Flash Flood in PEORIA, ILLINOIS
From 17-APR-13 21:15:00 to 18-APR-13 09:00:00 (CST-6)
Location: SANKOTY
Flood cause: Heavy Rain
Property damage: 100.00M
Crop damage: 0.00K
Reported by: Emergency Manager

Torrential rainfall of 4.00 to 8.00 inches resulted in damage to thousands of houses and businesses in the county, including the city of Peoria where two houses collapsed into the basement injuring two people. Every creek and stream in the county was flooded. Nearly every road in the county was impassable, including parts of Interstate 74 which had to be closed. Numerous water rescues were made. Mudslides were also reported along the eastern bluffs along the Illinois River.

Flash Flood in MARSHALL, ILLINOIS
From 17-APR-13 21:45:00 to 18-APR-13 09:00:00 (CST-6)
Location: SPARLAND
Flood cause: Heavy Rain
Property damage: 10.00M
Crop damage: 0.00K
Reported by: Emergency Manager

Torrential rainfall of 4.00 to 8.00 inches resulted in damage to about 2,000 houses and businesses in the county, including several in the cities of Henry and Lacon. Every creek and stream in the county was flooded. Every road in the county was impassable, and several water rescues were made. Numerous roads and culverts were damaged by the flash flooding.

Flash Flood in WOODFORD, ILLINOIS
From 17-APR-13 19:15:00 to 18-APR-13 09:00:00 (CST-6)
Location: METAMORA
Flood cause: Heavy Rain
Property damage: 13.00M
Crop damage: 0.00K
Reported by: Emergency Manager

Rainfall rates of 2.00 inches per hour for three to four hours produced up to 8.00 inches of rain and major flash flooding. Hundreds of homes and businesses in Roanoke, Eureka and Metamora were flooded and several water rescues had to be made. Roads near the town of Minonk were flooded with more than one foot of flowing water. Every road from the central to northeast part of the county was impassable. No injuries were reported.