| April 1996 | Tornado (F3) | Ogden | 1 killed, 13 hurt | no account filed |
| April 1974 | Tornado (F3) | not stated | 1 killed, $250,000 | no account filed |
| April 1996 | Tornado (F3) | Savoy | 12 hurt, $9,000,000 | no account filed |
| March 1976 | Tornado (F4) | not stated | 11 hurt, $2,500,000 | no account filed |
| November 2013 | Tornado (EF3) | Thomasboro | 6 hurt, $60,000,000 | A tornado touched down in an open field about 1 mile SE of Thomasboro at 12:45 PM CST and rapidly moved to the northeast. In less than a minute it increased in intensity, causing damage to 3 nearby farms and pushing 2 farm houses off their foundations. The tornado moved through open fields for about 2 miles at which time it widened to nearly 1/4 mile wide and became wrapped in rain. It destroyed 3 homes, several outbuildings, and damaged a few other homes before it moved into the town of Gifford. The rain-wrapped tornado was about 1/2 mile wide when it moved through the center of Gifford. Nearly 30 homes were destroyed, more than 40 suffered major damage, and around 125 had minor damage. Around 15 businesses sustained moderate to major damage and the roof of a school was peeled back. Hundreds of vehicles were damaged or destroyed. The tornado tracked for another 5 miles to the northeast, destroying 3 homes and numerous outbuildings, damaging several other homes, and snapping many trees and power poles. The tornado crossed into Vermilion County about 3 miles NNE of Penfield at 1:00 PM CST. Six people were injured and total damage was estimated at $60 million. |
| April 1953 | Tornado (F3) | not stated | 5 hurt, $25,000,000 | no account filed |
| April 1963 | Tornado (F3) | not stated | 5 hurt, $250,000 | no account filed |
| January 1967 | Tornado (F2) | not stated | 5 hurt, $25,000 | no account filed |
| June 1987 | Thunderstorm Wind | not stated | 5 hurt | no account filed |
| October 2001 | Tornado (F1) | Champaign | 2 hurt, $500,000 | The tornado initially touched down just west of the intersection of Interstates 57 and 74. An animal hospital sustained minor damage to some free standing brick walls. Moving east northeast from this location, a semi was blown over on the clover leaf of the Interstate intersection. The driver did not sustain any injuries. To the east of the intersection, a fabrication business was destroyed with the entire building having collapsed and a 30 foot section of the front wall was pushed back towards the rear of the building. Two occupants of the business sustained minor injuries. One sustained a broken hand and numerous cuts and bruises and the other occupant had a minor bump on his head. Another building behind this business sustained major damage. The tornado then crossed a field into a small subdivision. A duplex sustained major damage when the western half of it was destroyed. Further down several homes sustained minor roof damage, with the exception of one home which had part of its roof ripped off. Numerous trees and several power lines were blown down as well. Damage was estimated around $500,000. |
| June 1998 | Thunderstorm Wind | Countywide | 2 hurt, $500,000 | Several areas in Champaign County sustained considerable damage caused by microbursts (100 to 110 mph) as the thunderstorms marched across the county. Just south of Willard Airport, a mobile home was destroyed. A woman inside the mobile home sustained minor injuries as the home was rolled off its foundation and disintegrated. A nearby roofing business literally lost its roof. In the same general area, two semis were blown over on I-57 with one driver sustaining minor injuries. Further south, just south of Tolono, 21 cars of a freight train were blown off the tracks. No injuries were reported with that incident. |
| June 1960 | Tornado (F2) | not stated | 1 hurt, $250,000 | no account filed |
| May 2011 | Thunderstorm Wind | Pesotum | 1 hurt, $15,000 | A semi truck was blown over on I-57 near mile marker 220. One person was injured. |
| July 1997 | Lightning | Mahomet | 1 hurt, $3,500 | Lightning struck a television antenna on a home in Mahomet. It travelled through the roof and knocked a man out of his wheelchair. He only suffered minor injuries and was treated and released from a local hospital. The lightning strike caused approximately $3,500 in damage to the roof. |
| June 1998 | Thunderstorm Wind | Homer | 1 hurt | Thunderstorm winds blew over a semi on Hwy 49 near Homer. The driver sustained minor injuries. Also, numerous trees were blown down at Homer Lake. |
| June 1992 | Tornado (F0) | not stated | 1 hurt | no account filed |
| July 2014 | Flash Flood | Foosland | $47,000,000 | Periods of thunderstorms with heavy rainfall produced rain rates of 1 to 2.5 inches for at least two hours from 0630-0830 LST in northwest and central Champaign County - including the cities of Champaign and Mahomet/Lake of the Woods. The highest rain totals ranged between 6.00 to 7.00 inches from Mahomet to the village of Foosland. Nearly all rural roads in northwest Champaign County were flooded with at least a foot of water. Illinois Route 47 from Gibson City to Mahomet, U.S. Highway 150 from Mansfield to Mahomet, and U.S. Highway 136 near Fisher were closed due to flooding. Parts of Interstate 74 from milepost 168 to 173 were impassable. Numerous streets and viaducts in Mahomet and Champaign were also impassable. Many homes in Mahomet and Champaign also had significant basement flooding. Estimated flood damages in Champaign County were around $47 Million. |
| July 2020 | Hail | Urbana | $5,000,000 | Golf ball-sized hail on the east side of Urbana. The hail was driven by 60 mph winds which resulted in damage to hundreds of house roofs and numerous automobiles, including at a car dealership. |
| June 1990 | Tornado (F2) | not stated | $2,500,000 | no account filed |
| July 2004 | Thunderstorm Wind | Ludlow | $2,200,000 | A line of severe thunderstorms moved southeast across the eastern half of Champaign County. In Ludlow, at least 40 homes sustained minor to major damage as well as several businesses. Three large grain bins were destroyed and numerous trees and power lines were blown down. Widespread tree and power line damage was reported in Gifford, Penfield, Rantoul and Ogden. A semi was blown over on I-57 near Ludlow but the driver was not injured. |
| February 2018 | Flood | Sellers | $1,000,000 | Around 1.00 to 1.75 inches of rain fell onto frozen ground late on February 19th. This set the conditions for rapid flash flooding to occur on February 20th into the 21st when 3.00 to 5.00 of rain occurred. Numerous creeks and streams rapidly flooded in central and eastern Champaign County. Numerous roads in Champaign, Urbana, Savoy, St. Joseph, Rantoul and Thomasboro were impassable. Additional rainfall on February 22nd and 23rd resulted in storm total amounts ranging from 4.25 to 7.00 inches in central and eastern Champaign County. Roads in St. Joseph, Ogden, Homer and Sidney remained flooded for three days. A person attempting to cross a flooded road near the Salt Creek, north of St. Joseph had to be rescued during the late morning of February 21st. No injuries were reported, but the vehicle sank into the Salt Creek. The flooding finally dissipated during the early morning of February 23rd. |
| September 2016 | Tornado (EF2) | Block | $800,000 | A tornado touched down in a field 3.6 miles south of Sidney at 6:31pm CDT. The tornado tracked northeastward for more than two miles damaging corn and soybean crops before destroying a garage and a large shed. A car and large RV were also damaged. A barn was destroyed less than one mile away before the tornado moved into a cemetery, where it damaged several headstones and two trees. The most extensive damage occurred at a farmstead further northeast, where three outbuildings were destroyed and a house was pushed off its foundation causing it to collapse. The tornado then dissipated in a field 2.5 miles south of Homer at 6:50pm CDT. |
| May 2014 | Hail | (Cmi)Willard Fld Cha | $800,000 | Significant hail damage at Willard Airport in Savoy. Damage to several vehicles as well as minor damage to a B-17 aircraft. |
| November 2013 | Tornado (EF2) | Bongard | $800,000 | This tornado crossed from Douglas County into Champaign County 5.3 miles SE of Pesotum at 12:52 PM CST, then tracked northeastward before lifting 2.7 NNW of Broadlands at 1:02 PM CST. The tornado moved through open fields for the first 2.5 miles in Champaign County, then took the roof off 1 home, destroyed about a dozen outbuildings, snapped numerous power poles and trees, and did roof damage to 6 homes. The tornado dissipated in a field 2.7 NNW of Broadlands. |
| August 1997 | Thunderstorm Wind | Mahomet | $700,000 | Thunderstorm winds caused considerable damage as they moved through the western portions of Champaign County. Several trees were blown over and an air conditioning unit was blown off of its concrete base in Mahomet. Also, a trampoline was blown 30 feet in the air and landed in a nearby tree. Nearby at the Lake of the Woods park, 25 trees were seriously damaged and a small metal shelter was lifted up and moved about 100 feet. As the severe thunderstorms moved southeast, thunderstorm winds extensively damaged two empty grain bin silos in Rising. One 60-foot high corrugated steel bin was flattened and another nearby was left standing but crumpled. Also, a small screen bin, a grain dryer, spouts, and legs to the bins were twisted and torn. No injuries were reported and damage was estimated between $600,000 and $700,000 at the grain elevators in Rising. No estimate was available for the damage in Mahomet. |
| August 2012 | Thunderstorm Wind | Broadlands | $350,000 | Numerous trees and tree branches were blown down. Roof damage was reported to 29 structures. A garage was destroyed and several machine sheds were severely damaged or destroyed. In addition, a grain silo was damaged. |
| April 2011 | Lightning | Mira Station | $300,000 | Lightning struck the roof of a home, starting a fire in the attic and the electrical system of the house. The house sustained significant damage. No injuries were reported. |
| November 1985 | Tornado (F1) | not stated | $250,000 | no account filed |
| August 1984 | Tornado (F1) | not stated | $250,000 | no account filed |
| April 1974 | Tornado (F3) | not stated | $250,000 | no account filed |
| April 1974 | Tornado (F2) | not stated | $250,000 | no account filed |
| December 1971 | Tornado (F1) | not stated | $250,000 | no account filed |
| March 1961 | Tornado (F2) | not stated | $250,000 | no account filed |
| May 1996 | Flash Flood | Broadlands | $200,000 | no account filed |
| July 2020 | Thunderstorm Wind | Thomasboro | $175,000 | Multiple structures were damaged on the southeast side of Thomasboro. |
| July 2017 | Thunderstorm Wind | Univ Ill Willard Arp | $175,000 | Twenty five power poles were blown down near county roads 1200E and 900N about 4 miles west of Philo. |
| May 2018 | Thunderstorm Wind | Tipton | $120,000 | Twenty power poles were snapped off and corn crops were blown over near the intersection of 1475N and 2300E just south of St. Joseph. |
| May 2014 | Thunderstorm Wind | Savoy | $100,000 | Numerous power poles were blown down on Rising Road 3 miles west of Savoy. |
| July 2013 | Lightning | Ogden | $100,000 | Lightning struck a house in Ogden. The house was destroyed by the resulting fire. |
| June 2010 | Flash Flood | Mahomet | $100,000 | Spotters reported rainfall rates of one to two inches per hour from Champaign/Urbana east to the county line. Numerous main thoroughfares in Champaign were impassable due to more than six inches of flowing water or flooded viaducts. A few businesses from Champaign to St. Joseph sustained damage due to the flooding. |
| June 2009 | Thunderstorm Wind | Champaign | $100,000 | Six structures suffered roof damage in Champaign. Multiple trees and power lines were blown down across the city as well. |
| June 2016 | Thunderstorm Wind | Rantoul | $95,000 | Numerous trees were blown down around Rantoul, including one that fell on a parked car. A storage unit was damaged and a construction site mobile home trailer was overturned. The roof was damaged at the Rantoul Airport hangar. |
| July 2017 | Thunderstorm Wind | Champaign | $90,000 | Numerous trees were snapped or uprooted. |
| May 2011 | Thunderstorm Wind | Urbana | $90,000 | Several powerlines and power poles were blown down in Urbana. |
| March 1998 | Thunderstorm Wind | Philo | $90,000 | Thunderstorm winds tore out the entire west side of one home, destroyed the framing members of a house under construction, damaged a garage, and blew a mobile home off of its foundation. In all six homes, two barns, a trailer, and a shed were damaged 3 miles southwest of Philo. No injuries were reported and damage was estimated around $90,000. |
| June 2015 | Tornado (EF0) | Seymour | $85,000 | This tornado crossed from Piatt County into Champaign County 5.5 miles southwest of Seymour at 9:05 PM CDT. It then tracked eastward and hit a farmstead, destroying a barn and a machine shed. Several large trees were also knocked down or damaged at the residence. The tornado then dissipated 5.1 miles south of Seymour at 9:07 PM CDT. |
| September 2008 | Flash Flood | Staley | $85,000 | More than 50 homes and basements were flooded in Champaign. In addition, numerous streets were flooded across the city due to heavy rain. |
| June 2019 | Thunderstorm Wind | Urbana | $80,000 | Power outages were reported due to numerous downed trees in Urbana. |
| June 2018 | Tornado (EF0) | Staley | $80,000 | A weak tornado touched down in the backyard of a residence on Copper Ridge Road about 4.5 miles southwest of downtown Champaign at 2:16 PM CDT. The tornado damaged the roofs of two homes, a shed, fencing, and several trees before it quickly dissipated about 30 seconds later one tenth of a mile southeast of where it formed. |
| June 2018 | Thunderstorm Wind | Savoy | $80,000 | Thirteen power poles were blown down near the intersection of County Roads 1200E and 1100N. |
| May 1998 | Flash Flood | Broadlands | $80,000 | no account filed |
| November 2013 | Thunderstorm Wind | Pesotum | $75,000 | Several grain bins were destroyed, a garage was damaged, and power lines were blown down south of Pesotum. |
| December 2015 | Thunderstorm Wind | Foosland | $65,000 | Six power poles were blown down. |
| June 2015 | Thunderstorm Wind | Seymour | $62,000 | Two outbuildings were destroyed and two trees were blown down at 1052 County Road 100 East southwest of Seymour. |
| June 2019 | Thunderstorm Wind | Champaign | $60,000 | Numerous trees were blown down. |
| June 2018 | Thunderstorm Wind | Sidney | $60,000 | Numerous tree branches were blown down in Sidney. A grain bin was blown down at 1876 County Road 700N and power lines were knocked down at 1725 County Road 900N. |
| July 2017 | Thunderstorm Wind | Tolono | $60,000 | Multiple trees and power lines were blown down across Tolono. |
| July 2017 | Thunderstorm Wind | Savoy | $60,000 | Several power poles were snapped. |
| July 2016 | Thunderstorm Wind | Tolono | $60,000 | Several trees and power lines were blown down in Tolono. One tree fell onto a house. |
| April 2013 | Thunderstorm Wind | Prospect | $60,000 | Fifteen power poles were knocked down along U.S. Route 136 near Rantoul. Several semi-trailers were also blown over. |