A deep area of low pressure lifting from the Plains into the Upper Midwest pulled a strong cold front eastward toward the Mississippi River during the afternoon of May 25th.  Severe thunderstorms developed ahead of the cold front, as well as along a warm front lifting northward through the area.  Many of the storms produced large hail up to the size of golf balls and damaging winds in excess of 60 mph.  In addition, 6 tornadoes touched down across central Illinois, including an EF2 tornado that caused significant damage south of Robinson in Crawford County.

Thunderstorm Wind in DOUGLAS, ILLINOIS
From 25-MAY-11 18:05:00 to 25-MAY-11 18:10:00 (CST-6)
Location: VILLA GROVE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees were blown onto 3 homes in Villa Grove.

Hail in MOULTRIE, ILLINOIS
From 25-MAY-11 16:42:00 to 25-MAY-11 16:43:00 (CST-6)
Location: LOVINGTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in FULTON, ILLINOIS
From 25-MAY-11 16:50:00 to 25-MAY-11 16:55:00 (CST-6)
Location: CANTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Large tree branches were blown down on the north edge of Canton.

Thunderstorm Wind in FULTON, ILLINOIS
From 25-MAY-11 15:45:00 to 25-MAY-11 15:50:00 (CST-6)
Location: ASTORIA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Several trees were blown down southeast of Astoria.

Thunderstorm Wind in CASS, ILLINOIS
From 25-MAY-11 15:35:00 to 25-MAY-11 15:40:00 (CST-6)
Location: BEARDSTOWN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees and power lines were blown down in Beardstown.

Thunderstorm Wind in SANGAMON, ILLINOIS
From 25-MAY-11 15:45:00 to 25-MAY-11 15:50:00 (CST-6)
Location: DIVERNON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree was blown onto a house on Kenney Street in Divernon.

Thunderstorm Wind in MCLEAN, ILLINOIS
From 25-MAY-11 17:13:00 to 25-MAY-11 17:18:00 (CST-6)
Location: DOWNS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A semi was blown over on I-74 at mile marker 145.

Thunderstorm Wind in MCLEAN, ILLINOIS
From 25-MAY-11 17:11:00 to 25-MAY-11 17:16:00 (CST-6)
Location: LE ROY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree and a few power poles were snapped off in Leroy.

Thunderstorm Wind in CLARK, ILLINOIS
From 25-MAY-11 19:12:00 to 25-MAY-11 19:17:00 (CST-6)
Location: MARSHALL
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous trees and power lines were blown down across Marshall.  In addition, several homes sustained roof damage.

Tornado in MCLEAN, ILLINOIS
From 25-MAY-11 17:06:00 to 25-MAY-11 17:07:00 (CST-6)
Location: HEYWORTH
Tornado F-scale: EF0
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tornado formed about 4 miles east of Heyworth. The tornado damaged a grain bin and then tracked into an open field before dissipating.

Tornado in MCLEAN, ILLINOIS
From 25-MAY-11 17:09:00 to 25-MAY-11 17:20:00 (CST-6)
Location: LE ROY
Tornado F-scale: EF1
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tornado formed about 2 miles southeast of Downs. It crossed Interstate 74 and overturned a semi-truck. The tornado continued tracking to the north-northeast through open fields until it dissipated.

Tornado in CHAMPAIGN, ILLINOIS
From 25-MAY-11 17:58:00 to 25-MAY-11 17:59:00 (CST-6)
Location: RISING
Tornado F-scale: EF0
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tornado developed 3.5 miles southeast of Mahomet. It did minor damage to trees before dissipating less than a minute later.

Thunderstorm Wind in TAZEWELL, ILLINOIS
From 25-MAY-11 17:05:00 to 25-MAY-11 17:10:00 (CST-6)
Location: PEKIN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A 3-inch diameter tree branch was blown down in Pekin.

Thunderstorm Wind in MASON, ILLINOIS
From 25-MAY-11 16:25:00 to 25-MAY-11 16:30:00 (CST-6)
Location: FOREST CITY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Structural damage occurred to a popcorn factory south of Forest City.

Thunderstorm Wind in MASON, ILLINOIS
From 25-MAY-11 16:25:00 to 25-MAY-11 16:30:00 (CST-6)
Location: FOREST CITY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Several trees were blown down in Forest City.

Tornado in CLAY, ILLINOIS
From 25-MAY-11 18:18:00 to 25-MAY-11 18:19:00 (CST-6)
Location: CLAY CITY
Tornado F-scale: EF1
Property damage: 510.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tornado developed about 1 mile southwest of Clay City. The tornado tracked northeast and dissipated near Clay City High School. Structures damaged along the path of the tornado included a barn and several garages, and 15 homes sustained minor to moderate roof damage. One concrete block storage building collapsed. Numerous trees were also damaged.

Tornado in RICHLAND, ILLINOIS
From 25-MAY-11 18:35:00 to 25-MAY-11 18:36:00 (CST-6)
Location: HIGGINS
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tornado briefly touched down in a field, causing no damage.

Thunderstorm Wind in CLAY, ILLINOIS
From 25-MAY-11 18:10:00 to 25-MAY-11 18:15:00 (CST-6)
Location: FLORA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous trees and power lines were blown down across Flora.  One tree fell onto a house.

Tornado in CRAWFORD, ILLINOIS
From 25-MAY-11 18:57:00 to 25-MAY-11 19:03:00 (CST-6)
Location: NEW HEBRON
Tornado F-scale: EF2
Property damage: 920.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tornado touched down about 3 miles south of Robinson, and tracked to the northeast. Fourteen homes sustained damage, with three homes losing most of their roof and one home being pushed three feet off its foundation. In addition, numerous outbuildings and garages were destroyed, numerous trees and power poles were blown down, and a large camper was rolled over.

Thunderstorm Wind in CLAY, ILLINOIS
From 25-MAY-11 18:20:00 to 25-MAY-11 18:25:00 (CST-6)
Location: CLAY CITY
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous trees were blown down along Route 50 from 2 miles east of Clay City to the Richland County line.

Thunderstorm Wind in LAWRENCE, ILLINOIS
From 25-MAY-11 19:00:00 to 25-MAY-11 19:05:00 (CST-6)
Location: LAWRENCEVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Numerous trees were blown down along Route 1 between Lawrenceville and Birds.

Thunderstorm Wind in LAWRENCE, ILLINOIS
From 25-MAY-11 19:00:00 to 25-MAY-11 19:05:00 (CST-6)
Location: BIRDS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous trees and power lines were blown down in Birds.

Flash Flood in SCHUYLER, ILLINOIS
From 25-MAY-11 16:30:00 to 25-MAY-11 22:00:00 (CST-6)
Location: DODDSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Severe thunderstorms produced heavy rainfall, with rates of 3.00 per hour in central Schuyler County. Most rural roads were closed from Littleton through Rushville to the Brown County line, southeast of Ripley.

Thunderstorm Wind in LAWRENCE, ILLINOIS
From 25-MAY-11 19:00:00 to 25-MAY-11 19:05:00 (CST-6)
Location: LAWRENCEVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Numerous trees were blown down in Lawrenceville.  One tree fell onto a mobile home.

Flash Flood in CHRISTIAN, ILLINOIS
From 25-MAY-11 16:30:00 to 25-MAY-11 22:00:00 (CST-6)
Location: MT AUBURN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Severe thunderstorms produced very heavy rainfall with nearly 2.00 of rain in 30 minutes across northwest Christian County. The biggest impacts were from Sangchris Lake to Kincaid, through Edinburg to southwest of Mount Auburn, where 3.00 to 4.00 of rain during the early evening resulted in extensive flash flooding of roads and creeks.

Hail in SHELBY, ILLINOIS
From 25-MAY-11 12:16:00 to 25-MAY-11 12:17:00 (CST-6)
Location: COWDEN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in SCOTT, ILLINOIS
From 25-MAY-11 15:10:00 to 25-MAY-11 15:15:00 (CST-6)
Location: WINCHESTER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees, tree branches, and power lines were blown down in Winchester.

Thunderstorm Wind in DOUGLAS, ILLINOIS
From 25-MAY-11 18:05:00 to 25-MAY-11 18:10:00 (CST-6)
Location: CAMARGO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A few 8 to 12-inch diameter tree branches were blown onto a wood fence in Camargo.

Thunderstorm Wind in SCOTT, ILLINOIS
From 25-MAY-11 15:18:00 to 25-MAY-11 15:23:00 (CST-6)
Location: OXVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A storage shed was destroyed in Oxville.

Thunderstorm Wind in JASPER, ILLINOIS
From 25-MAY-11 18:30:00 to 25-MAY-11 18:35:00 (CST-6)
Location: NEWTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several buildings were damaged on the south side of Newton.

Flash Flood in KNOX, ILLINOIS
From 25-MAY-11 17:45:00 to 25-MAY-11 22:00:00 (CST-6)
Location: RIO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Severe thunderstorms produced very heavy rainfall with nearly 3.00 of rain in 90 minutes near the town of Rio, and around 2.00 of rain in 30 minutes at Altona in northwest Knox County. The biggest impacts were from Rio to the Mercer County line where 4.00 to 5.00 of rain during the early evening resulted in extensive flash flooding of roads and creeks.

Hail in VERMILION, ILLINOIS
From 25-MAY-11 11:22:00 to 25-MAY-11 11:23:00 (CST-6)
Location: SIDELL
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in SHELBY, ILLINOIS
From 25-MAY-11 12:45:00 to 25-MAY-11 12:46:00 (CST-6)
Location: WINDSOR
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail in SHELBY, ILLINOIS
From 25-MAY-11 12:46:00 to 25-MAY-11 12:47:00 (CST-6)
Location: WINDSOR
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in VERMILION, ILLINOIS
From 25-MAY-11 18:39:00 to 25-MAY-11 18:44:00 (CST-6)
Location: JAMESBURG
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous trees were blown down in the Jamesburg area, blocking several local roads.

Thunderstorm Wind in KNOX, ILLINOIS
From 25-MAY-11 17:18:00 to 25-MAY-11 17:23:00 (CST-6)
Location: KNOXVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree was blown down along US 150.

Thunderstorm Wind in SHELBY, ILLINOIS
From 25-MAY-11 17:15:00 to 25-MAY-11 17:20:00 (CST-6)
Location: WINDSOR
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Power poles were blown down and part of a machine shed was damaged east of Windsor.

Thunderstorm Wind in EFFINGHAM, ILLINOIS
From 25-MAY-11 17:30:00 to 25-MAY-11 17:35:00 (CST-6)
Location: EFFINGHAM
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A few tree branches and power lines were blown down in Effingham.

Thunderstorm Wind in SCHUYLER, ILLINOIS
From 25-MAY-11 15:45:00 to 25-MAY-11 15:50:00 (CST-6)
Location: BROWNING
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several trees and power lines were blown down in Browning.

Thunderstorm Wind in MENARD, ILLINOIS
From 25-MAY-11 16:30:00 to 25-MAY-11 16:35:00 (CST-6)
Location: TALLULA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A few power lines were blown down in Tallula.

Thunderstorm Wind in PEORIA, ILLINOIS
From 25-MAY-11 16:42:00 to 25-MAY-11 16:47:00 (CST-6)
Location: GLASFORD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous trees and tree branches were blown down in Glasford, including one tree that fell onto a house.  In addition, a shed was blown off its foundation on Part Street.

Hail in CLARK, ILLINOIS
From 25-MAY-11 14:15:00 to 25-MAY-11 14:16:00 (CST-6)
Location: MARTINSVILLE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in SHELBY, ILLINOIS
From 25-MAY-11 17:30:00 to 25-MAY-11 17:35:00 (CST-6)
Location: STRASBURG
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Shingles were blown off a house roof, doors were torn off an outbuilding, and several 10-inch diameter tree branches were blown down west of Strasburg.

Hail in SHELBY, ILLINOIS
From 25-MAY-11 12:47:00 to 25-MAY-11 12:48:00 (CST-6)
Location: STEWARDSON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in SCOTT, ILLINOIS
From 25-MAY-11 15:10:00 to 25-MAY-11 15:11:00 (CST-6)
Location: WINCHESTER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in SANGAMON, ILLINOIS
From 25-MAY-11 16:07:00 to 25-MAY-11 16:08:00 (CST-6)
Location: MECHANICSBURG
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in EDGAR, ILLINOIS
From 25-MAY-11 16:19:00 to 25-MAY-11 16:20:00 (CST-6)
Location: PARIS
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in LOGAN, ILLINOIS
From 25-MAY-11 16:25:00 to 25-MAY-11 16:30:00 (CST-6)
Location: MT PULASKI
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Two large trees were blown down in Mt. Pulaski.

Thunderstorm Wind in PEORIA, ILLINOIS
From 25-MAY-11 16:46:00 to 25-MAY-11 16:51:00 (CST-6)
Location: TRIVOLI
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several large tree limbs were blown down and a fence was knocked over south of Trivoli.

Thunderstorm Wind in PEORIA, ILLINOIS
From 25-MAY-11 16:55:00 to 25-MAY-11 17:00:00 (CST-6)
Location: PEORIA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A 10-inch diameter tree was blown down across a road.

Thunderstorm Wind in PEORIA, ILLINOIS
From 25-MAY-11 16:52:00 to 25-MAY-11 16:57:00 (CST-6)
Location: PEORIA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous trees and power lines were blown down across the city of Peoria.

Thunderstorm Wind in PEORIA, ILLINOIS
From 25-MAY-11 16:55:00 to 25-MAY-11 17:00:00 (CST-6)
Location: PEORIA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree was blown down across a road near the corner of Route 8 and Heinz Lane.

Hail in KNOX, ILLINOIS
From 25-MAY-11 17:07:00 to 25-MAY-11 17:08:00 (CST-6)
Location: RIO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail in CHAMPAIGN, ILLINOIS
From 25-MAY-11 17:25:00 to 25-MAY-11 17:26:00 (CST-6)
Location: PESOTUM
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in CHAMPAIGN, ILLINOIS
From 25-MAY-11 17:49:00 to 25-MAY-11 17:50:00 (CST-6)
Location: SEYMOUR
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in DOUGLAS, ILLINOIS
From 25-MAY-11 17:55:00 to 25-MAY-11 17:56:00 (CST-6)
Location: CAMARGO
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in PEORIA, ILLINOIS
From 25-MAY-11 16:57:00 to 25-MAY-11 17:02:00 (CST-6)
Location: KICKAPOO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several trees were blown down along the Kickapoo Edwards Blacktop south of Route 150.

Thunderstorm Wind in CLARK, ILLINOIS
From 25-MAY-11 19:10:00 to 25-MAY-11 19:15:00 (CST-6)
Location: CLARK CENTER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Utility Company

Twelve power poles were broken and numerous power lines were blown down from Clark Center northeastward to the Indiana border.

Thunderstorm Wind in KNOX, ILLINOIS
From 25-MAY-11 17:19:00 to 25-MAY-11 17:24:00 (CST-6)
Location: GALESBURG
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A shed was destroyed, playground equipment was damaged, and a large vent was torn off the roof of a school.  In addition, a few outbuildings were damaged at Lowes.

Hail in COLES, ILLINOIS
From 25-MAY-11 17:45:00 to 25-MAY-11 17:46:00 (CST-6)
Location: LERNA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in LOGAN, ILLINOIS
From 25-MAY-11 16:28:00 to 25-MAY-11 16:33:00 (CST-6)
Location: LINCOLN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

A tree was topped at the National Weather Service office east of Lincoln.

Hail in MOULTRIE, ILLINOIS
From 25-MAY-11 16:15:00 to 25-MAY-11 16:16:00 (CST-6)
Location: BETHANY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Flash Flood in SANGAMON, ILLINOIS
From 25-MAY-11 16:30:00 to 25-MAY-11 22:00:00 (CST-6)
Location: THAYER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Severe thunderstorms produced very heavy rainfall with nearly 2.00 of rain in 30 minutes across extreme east and southeast Sangamon County. The biggest impacts were from Divernon through Pawnee to southeast of Mechanicsburg where 3.00 to 4.00 of rain during the early evening resulted in extensive flash flooding of roads and creeks.