| June 1957 | Tornado (F4) | not stated | 2 killed, 50 hurt, $2,500,000 | no account filed |
| April 1963 | Tornado (F3) | not stated | 1 killed, 5 hurt, $250,000 | no account filed |
| June 2011 | Flood | Berlin | 1 killed | The impacts of the flash flooding from the late evening of June 17th into the early morning of June 18th continued for another 20 hours in western Sangamon County. In addition, another 1.00 to 2.00 of rain fell over the flooded area from June 18th into the 19th. ||During the afternoon of June 18th at 1:55 PM LST, a 75 year old man drove around a barricade into a flooded roadway on East Loami Road near the Lick Creek South Fork. He climbed to the top of the vehicle, but it was swept away by the rapid current. His truck was found in a nearby pond, but his body was not recovered until the morning of June 20th.||Many streets in Loami and New Berlin, and the rural roads and state highways in western parts of the county were flooded for almost 48 hours. The water finally receded on most roadways by early evening on June 19th. ||See the Flash Flood entry for June 17th-18th for estimated damages due to this historic flooding. |
| August 2010 | Flood | Archer | 1 killed | A woman drowned in downtown Springfield near the intersection of 3rd and Capitol after her car stalled in an underpass which was flooded due to a storm sewer backup. As she was trying to push her car out of about three feet of standing water, she slipped partially into a manhole cover and was submerged. The area had received 1.52 of rain, with 1.41 falling during the two hours prior to the drowning. Minor flooding of typically flood-prone areas was reported elsehwere around Springfield. |
| August 1987 | Thunderstorm Wind | not stated | 58 hurt | no account filed |
| March 2006 | Tornado (F2) | New Berlin | 19 hurt | Continuation of Morgan county tornado. The total path length of the tornado was about 65.5 miles, including a 45.0 mile path across the WFO Central Illinois service area.Damage from the storm over Scott, Morgan and rural Sangamon counties consisted of the snapping of power poles and major tree damage, either ripped up or uprooted. Numerous farm buildings (both Morton type buildings and barns) were damaged or destroyed, as were numerous grain bins. One mobile home was destroyed.This long track tornado moved into the city of Springfield before dissipating. The tornado crossed Interstate 72 near mile marker 92, around 8:20 PM. It entered the city of Springfield near Cockrell Lane and Constitution Drive, tracking to the east-northeast around 50 mph. The tornado was about 300 yards wide, and produced F2 damage to several businesses from Constitution Drive, through Parkway Pointe, to Veterans Parkway and Lindbergh Blvd.The tornado widened to about 0.4 mile wide as it continued to track east-northeast south of Wabash Avenue, between Veterans Parkway and Chatham Road. The tornado widened further, to just over 1/2 mile wide from Westchester Blvd to the village of Jerome. The damage was rated as F2 along Wabash Avenue, between Chatham Road and MacArthur Blvd.The tornado then weakened slightly, producing F1 damage, as it turned to the northeast, nearly parallel with the Norfolk Southern Railroad tracks. The damage path remained nearly 1/2 mile wide. The width of the tornado decreased to about 1/4 mile wide as it strengthened again, and turned to the north-northeast near Iles Park and in the vicinity of Oak and Myrtle Streets, between 6th and 9th Streets. The damage was rated as F2 in these locations, with roofs blown off of homes and businesses, and garages severely damaged. This tornado dissipated just north of 9th Street and South Grand Avenue.1 injury was reported in Morgan county, with 19 injuries reported in Sangamon county. No fatalities were reported. |
| August 2009 | Tornado (EF3) | Williamsville | 17 hurt, $11,000,000 | The tornado touched down on the west side of Williamsville, just west of I-55, at 319 PM CST. It destroyed an antique mall, damaged the Casey's gas station building and collapsed the canopy over the gas pumps. One person was injured at the mall, while 2 motorcyclists were injured when they were thrown from their bikes. The tornado moved northeast through Williamsville and hit a church, throwing a 2-horse trailer onto the roof and collapsing the roof over half of the building. One person inside the church was injured. The tornado continued through the northern portion of town, causing damage to numerous trees and several homes. Two homes lost their roof and several others lost a portion of their roof. The tornado also caved in the southern end of a metal building, part of an agricultural business on the edge of town. A total of 12 additional people were injured by tornado debris in the town of Williamsville. The width of the tornado through town ranged from 100 to 150 yards. The maximum wind speed of 135 mph (EF2) in Williamsville was determined from the damage to the church. A total of 10 houses were destroyed and 35 houses damaged in Williamsville. A total of six businesses and non-residential properties were destroyed.||The tornado continued east-northeast and flattened cornfields, damaged farm outbuildings and machine sheds, and damaged homes, garages, and vehicles on Lester Rd. Two houses were completely destroyed, and four others had extensive damage, as the tornado widened to 600 yards at this point. A 19-month-old baby was injured as the family home was hit by the tornado. ||The maximum wind speed at this point was estimated at 140 mph (EF3). The tornado continued through fields, causing extensive crop damage, until crossing into Logan County around 326 PM CST. Path length through Sangamon County was 4.5 miles. |
| November 1988 | Thunderstorm Wind | not stated | 8 hurt | no account filed |
| May 1989 | Thunderstorm Wind | not stated | 6 hurt | no account filed |
| March 2006 | Tornado (F2) | Riverton | 4 hurt | The tornado touched down 3.75 miles south of Riverton. It moved northeast, between Dawson and Buffalo (passing 1.5 miles west of Buffalo), and lifted just south of the Logan County line, 5 miles northeast of Buffalo.This tornado started at F0 strength, about 100 yards wide, and quickly strengthened to F2 intensity (120 mph) with a maximum width of 200 yards. It weakened to F1 intensity, and was about 100 yards wide when it ended. Total path was 12.5 miles in length. Damage from this storm consisted of damage to barn buildings and some significant house damage. Power poles were snapped, with major tree damage.4 injuries were reported, but there were no fatalities |
| August 2009 | Tornado (EF2) | Prouty | 3 hurt, $4,000,000 | The tornado crossed into Sangamon County from Morgan County at 151 PM CST, then continued northeastward through the town of Loami before lifting 1.5 miles northwest of Chatham at 208 PM CST. In Loami, 13 homes were destroyed and 19 homes were severely damaged. In addition, the tornado produced damage to several homes, farm machinery sheds, trees, and crops along the remainder of its path. Three people sustained minor injuries from flying or falling debris in Loami. |
| March 2009 | Tornado (EF1) | Prouty | 2 hurt, $610,000 | The tornado initially touched down in a field 6 miles southwest of Loami, then tracked northeastward and dissipated about 1 mile north of Loami. Several houses were damaged and numerous sheds and outbuildings were destroyed along the path of the tornado. Considerable tree damage was also observed. Two people were injured, including a woman who was struck by flying debris in her home and a man who was inside his barn when it collapsed. |
| May 2004 | Thunderstorm Wind | Countywide | 2 hurt, $80,000 | Damaging thunderstorm winds caused widespread damage across Sangamon County. In Berlin, the winds damaged the roof of a double wide mobile home and destroyed a garage. On the east side of Springfield a two story building sustained moderate roof damage. Then in an area from Auburn to Divernon to Pawnee, damaging winds pushed one wall of a large storage building out, snapped numerous power poles off, blew down numerous trees and power lines, caused extensive damage to the roofs of three apartment buildings and blew over two semis on I-55. One driver sustained minor injuries and one resident of the apartment complex sustained minor injuries. Northeast of Rochester, numerous trees were blown down, one of which landed on an unoccupied car, destroying it. A horse stable sustained moderate roof damage. |
| November 1975 | Tornado (F1) | not stated | 1 hurt, $250,000 | no account filed |
| June 2000 | Thunderstorm Wind | Springfield | 1 hurt, $11,000 | Numerous trees and tree limbs were blown down in the Springfield, Williamsville, Chatham, Riverton and Divernon areas. In Divernon, a large tree was blown down onto a mobile home, causing minor injuries to a women who lived there. |
| April 2006 | Tornado (F1) | Riverton | 1 hurt | The tornado struck a mobile home park, destroying eight homes and damaging thirty others. Numerous trees were blown down. One injury (direct) occurred when a woman exited her mobile home and was blown into an adjacent home. |
| July 2006 | Thunderstorm Wind | Cantrall | 1 hurt | Numerous trees and power lines were blown down across Cantrall, Williamsville, Sherman, Buffalo and Springfield. One person was injured in Springfield when a tree fell on their car. |
| April 2002 | Thunderstorm Wind | Pleasant Plains | 1 hurt | A bow echo moved through northern portions of Sangamon county, producing widespread damage. West of Pleasant Plains, numerous trees and powerlines were blown down. In Salisbury, two mobile homes sustained minor damage while another one was rolled off its foundation and destroyed. No injuries reported there. Just west of Capital Airport, two mobile homes were destroyed after being rolled off their foundations. One was occupied at the time and the occupant sustained minor cuts and bruises. |
| February 1996 | Lightning | Springfield | 1 hurt | no account filed |
| September 1992 | Thunderstorm Wind | not stated | 1 hurt | no account filed |
| August 2014 | Flash Flood | (Spi)Springfield Arp | $11,500,000 | Heavy rainfall amounts of 2.50 to 5.10 inches fell on the Springfield Metro area in less than two hours during the evening of August 28th. Multiple viaducts were flooded in Springfield, streets were inundated with water at least 2 feet deep, vehicles were stranded and parts of Interstates 72 and 55 were closed. Nearly 250 water rescues were performed by the Springfield Fire Department for stranded motorists. No injuries were reported. |
| May 2010 | Flash Flood | Grandview | $9,750,000 | A nearly stationary thunderstorm produced around 4.50 inches of rain in 90 minutes over the city of Springfield just before the evening rush hour. The downtown suffered major impacts with extensive flooding of streets and up to 7 feet of water under viaducts. Most streets were impassable, which resulted in more than 200 stranded vehicles. Nearly 650 homes and businesses sustained flood damage. Several people had to be rescued from the their flooded autos, but there were no injuries or fatalities. |
| May 2002 | Hail | Auburn | $9,000,000 | Hail fell for 20 minutes in Aurburn causing widespread damage. Many cars sustained hail damage, as well as, damage to windows, roofs, and siding on numerous homes. Damage was estimated around 9 million dollars. |
| June 2011 | Flash Flood | Berlin | $3,000,000 | Flash flooding of historic proportions occurred in western Sangamon County from late in the evening of June 17th through much of June 18th. Rainfall amounts of 5.00 to 9.00 were reported, with the highest totals along the boder with Morgan County. The nearly stationary thunderstorms produced a majority of the rain between 2200 LST and 0300 LST. ||Every rural road and state highway in western Sangamon County was water covered and closed. Streets and about 300 homes in the towns of New Berlin and Loami, as well as numerous farms in west central parts of the county, were severely flooded. Around 22,000 acres of farmland also sustained significant flooding.||Property and business damages were estimated to be about $3 Million, while crop losses could be close to $10 Million. The flash flooding continued as an areal flood for the same areas for at least another 20 hours. |
| August 1977 | Tornado (F3) | not stated | $2,500,000 | no account filed |
| August 2016 | Flash Flood | Cantrall | $2,200,000 | Persistent thunderstorms produced heavy rainfall during the early evening in Sangamon County and the western half of Springfield with 2.50 to 6.00 inches in less than three hours. Some locations reported more than 3.00 inches of rain between 1700 and 1800 CST. Numerous city streets in Springfield were closed due to the flooding, including all of the roads in the vicinity of the Illinois State Fairgrounds where the annual State Fair was starting. A total of 58 camper trailers and 25 vehicles were damaged on the State Fairgrounds, where nearly 50 people were rescued in the camping area. No injuries were reported. Many livestock buildings were flooded, the Grandstand concert was cancelled, and fair officials closed the entrance/exit gates to keep people from leaving due to the extensive street flooding. In other areas of Springfield, 48 water rescues were made on city streets and viaducts by first responders, with no injuries reported. In other parts of the county, rural roads north of Springfield toward Cantrall, and west of Springfield toward New Berlin were impassable. State Highways 4, 29, 97 and 125 were also closed in spots due to flowing water and flooding. |
| April 2011 | Lightning | Springfield | $1,800,000 | Lightning struck the steeple of a church at 16th and South Grand Avenue in Springfield, starting a fire which quickly engulfed the building. The church was no longer being used, but still contained pews, books and an organ. The building and its contents were a total loss. |
| February 2014 | Tornado (EF1) | Buckhart | $990,000 | A tornado touched down at 3:57 PM CST 3 miles south of Mechanicsburg. The tornado tracked northeastward damaging numerous outbuildings and the roofs of several homes. A trailer was flipped over, multiple power poles were snapped, and numerous trees were damaged as well before the tornado lifted 2.6 miles west of Illiopolis at 4:06 PM CST. |
| June 2001 | Flash Flood | Divernon | $500,000 | Brush Creek, which flows along the west side of Divernon, went out of its banks, resulting in widespread flooding and nearly 30 homes being evacuated around 2 AM CDT. Several people had to be rescued from their homes as the flood waters quickly filled in the natural flood plain of the creek, flooding numerous basements on the east side of town and entire homes on the west side of town, where water was reported to be as high as windows in a few locations. Railroad tracks in the area were washed out. No injuries or fatalities were reported. North and southbound Interstate 55 were closed for several hours south of the Illinois Route 104 junction, near Divernon, as a result of 18 to 24 inches of water over the highway. By 830 AM CDT, no additional flooding was reported. However, flood waters persisted in and around Divernon through 11 AM CDT. Flooding was also reported in Pawnee. Damage was estimated around $500,000. |
| May 2013 | Thunderstorm Wind | Riverton | $415,000 | Forty eight mobile homes were damaged at the Lincoln Place Mobile Home Park about a mile south of Riverton. Several large trees were uprooted just west of the park and numerous large tree branches were broken off and blown onto homes within the park. No injuries were reported. |
| May 2002 | Flash Flood | Auburn | $400,000 | With the large amounts of hail that fell in addition to 3 inches of rainfall in a short amount of time, several streets in town became flooded. With the storm drains blocked by the hail, the water could not drain fast enough near the Auburn Middle and High School building. The school sustained widespread flood damage totaling around $400,000. |
| July 2020 | Tornado (EF1) | Compro | $300,000 | A tornado touched down 2.7 miles west-northwest of Auburn at 4:05 PM CDT. The tornado tracked northeastward, destroying 2 large sheds and 2 grain bins. It blew over an RV, damaged numerous trees, and caused minor roof damage to 2 houses and 2 large pole barns. The tornado also damaged around 100 acres of corn and soybeans before dissipating near the intersection of Illinois Route 4 and Curran Road about 1.1 miles north of Auburn at 4:09 PM CDT. |
| May 1995 | Thunderstorm Wind | Chatham to | $300,000 | A downburst damaged a garage on one house in the Panther Creek Subdivion then moved to the east, knocking down numerous trees and causing some siding and roof damage to several homes. It also blew down a barn where several antique cars were stored and destroyed an uncompleted room addition on one house in Rochester. Damage was estimated around $300,000. |
| March 2016 | Tornado (EF1) | Knapp | $280,000 | A tornado touched down 2.4 miles west of Curran along Werner Road about three quarters of a mile west of the intersection with Farmingdale Road at 7:44 PM CDT. The roof of a home lost some shingles and a few pine trees were broken off in this area. The tornado tracked across mainly open fields and crossed I-72 just east of Farmingdale Road at 7:45 PM CDT. The tornado continued northeastward and damaged a house along Bunker Hill Road, blowing out windows, removing shingles, and breaking several trees. It then caused minor shingle damage to a home along Emerson Road about a quarter mile south of Iles Avenue. Further northeast, the tornado caused significant damage to a home along Iles Avenue about a half mile east of the intersection with Emerson Road, removing most of the roof and blowing out a wall on the west side of the structure. Across the street, a barn lost its roof and several trees were snapped off. The tornado then dissipated in an open field 6.6 miles west-southwest of Springfield at 7:50 PM CDT. |
| May 2013 | Thunderstorm Wind | Springfield | $250,000 | Shingles were damaged on several homes. |
| April 2011 | Thunderstorm Wind | Loami | $250,000 | Several outbuildings, garages, and grain bins were damaged along Johns Creek Road. |
| July 2001 | Thunderstorm Wind | Springfield | $250,000 | Two empty semis were blown over on I-72 one mile north of Curran. Neither driver was injured. Also, fourteen power poles on the southwest side of Springfield were blown over, trapping several cars and their occupants for half an hour. |
| April 1996 | Tornado (F0) | New Berlin | $250,000 | no account filed |
| May 1988 | Tornado (F2) | not stated | $250,000 | no account filed |
| July 1980 | Tornado (F2) | not stated | $250,000 | no account filed |
| July 1978 | Tornado | not stated | $250,000 | no account filed |
| August 1977 | Tornado (F1) | not stated | $250,000 | no account filed |
| May 1961 | Tornado (F1) | not stated | $250,000 | no account filed |
| June 1960 | Tornado (F2) | not stated | $250,000 | no account filed |
| March 1954 | Tornado (F1) | not stated | $250,000 | no account filed |
| December 2018 | Tornado (EF1) | Derry Farm | $225,000 | A tornado touched down 1.5 miles east of Rochester at 6:16 PM CST. The tornado tracked north-northeastward, damaging numerous trees, power poles, and the roofs of houses and garages before dissipating 2.9 miles west-southwest of Mechanicsburg at 6:33 PM CST. |
| August 2009 | Tornado (EF1) | Toronto | $200,000 | The tornado touched down 6 miles south-southeast of Springfield on the west banks of Lake Springfield at 217 PM CST. The tornado then crossed the lake and continued northeastward just southeast of Rochester before lifting 2 miles south-southeast of Mechanicsburg at 237 PM CST. Several large trees were snapped off along the west shore of Lake Springfield as the tornado first touched down. Numerous trees and tree branches were knocked down further east along the path of the storm, with a few structures damaged by falling limbs, including the Lake Springfield Yacht Club. In addition, widespread crop damage was observed. |
| May 1996 | Thunderstorm Wind | Glenarm | $150,000 | no account filed |
| June 1998 | Tornado (F0) | Pawnee | $130,000 | As a tornado touched down on the north side of Pawnee, it blew the roof off of a house and twisted it on its foundation. Some debris (2x6s) from the house were driven into the roof of the garage on the house next door. The tornado continued for about half a mile before lifting and dissipating knocking down several trees. Damage to the two homes was estimated around $130,000. No injuries or deaths were reported. |
| June 2021 | Thunderstorm Wind | (Spi)Springfield Arp | $110,000 | Downburst winds of 70 to 80 mph downed multiple large tree limbs, knocked over a few shallow-rooted trees, and blew down power poles in the Skyline Subdivision on the north side of Springfield. |
| March 2009 | Thunderstorm Wind | Springfield | $110,000 | The roof was blown off an apartment complex, a trailer was rolled and destroyed, and numerous trees were snapped on the northwest side of Springfield near West Jefferson Street and Bruns Lane. |
| April 2020 | Tornado (EF0) | Dawson | $100,000 | A tornado touched down 1.8 miles west-northwest of Dawson at 6:56 PM CDT. The tornado tracked east-southeast across the south side of Dawson...damaging shingles, siding, and guttering on 12 homes before dissipating 0.3 miles east-southeast of Dawson at 7:01 PM CDT. |
| July 2020 | Thunderstorm Wind | Auburn | $100,000 | Numerous trees and tree branches were blown down in Auburn. The roofs of two homes were damaged by falling branches. |
| September 2019 | Lightning | Chatham | $100,000 | A barn was struck by lightning and burned down. |
| June 2018 | Lightning | Springfield | $100,000 | Lightning struck the roof of Grace Lutheran Church in Springfield at around 3am CDT on June 13th. The lightning struck one of the church's four spires, causing a chunk of stone to dislodge and crash through the roof. |
| April 2011 | Thunderstorm Wind | Auburn | $100,000 | Several farm buildings were damaged. |
| August 2011 | Hail | Divernon | $100,000 | Hail up to 2.00 inches in diameter damaged several vehicles southeast of the town of Auburn. |
| June 2009 | Thunderstorm Wind | Williamsville | $100,000 | The roof of a pole barn was lifted off by strong winds. The building had no doors and was open to the south. Based on radar data, a microburst with winds of between 50 and 60 mph likely caused the damage. |
| May 2000 | Thunderstorm Wind | New Berlin | $92,000 | Thunderstorm winds destroyed a house under construction one mile south of Loami. Also, numerous trees and tree limbs were blown down. One tree fell onto a car, destroying it in New Berlin. No injuries were reported. |
| July 2016 | Thunderstorm Wind | Mildred | $90,000 | Numerous large trees and tree branches were blown down across western and northwestern sections of Springfield. Some of the trees downed power lines and blocked roads. The top of a 40-foot tall tree was snapped off at a residence. |