| June 2006 | Lightning | Elgin | 1 killed, 1 hurt | Two men were struck by lightning on a golf course after taking cover under trees. One of the men died from his injuries two days later. |
| August 1956 | Tornado (F1) | not stated | 3 hurt, $25,000 | no account filed |
| August 2012 | Thunderstorm Wind | Geneva | 2 hurt | Two injuries occurred when a wind gust estimated to near 60 mph slammed part of a picnic table into two people. One person was struck in the head and knocked unconscious. Her injuries required a three-hour brain surgery. The other person injured was a minor, and no details were released. |
| June 2008 | Thunderstorm Wind | Geneva | 1 hurt, $20,000 | Several trees and tree limbs were blown down along Chalmers Street. One large tree was completely uprooted. Other tree limbs and power lines were blown down across the east side of Geneva. A van on Nebraska Street lost its back window when hit by a tree limb and a man in his 20s was hit in the head by the tree limb, requiring 20 stitches. |
| June 2001 | Thunderstorm Wind | Countywide | 1 hurt, $7,000 | no account filed |
| June 2024 | Thunderstorm Wind | Campton Hills | 1 hurt | A tree fell on a child in Campton Hills resulting in one injury. |
| July 2013 | Thunderstorm Wind | Henpeck | 1 hurt | A construction trailer was blown over on Rockport Road. One person was injured. |
| July 2003 | Lightning | Elgin | 1 hurt | A 28 year old man was critically injured after being struck by lightning while working on a roof. |
| September 1997 | Lightning | Carpentersville | 1 hurt | A 43 year old man suffered minor injuries when he was struck by lightning while changing a tire in a school parking lot. |
| July 1996 | Flash Flood | South And Central | $14,500,000 | no account filed |
| August 2007 | Flood | Algonquin | $5,000,000 | Significant flooding occurred along the Fox River throughout Kane County, In East Dundee, Richardson Subdivision was particularly hit hard by the flooding. In South Elgin, some of the hardest hit areas included South River Street, North Water Street, Arthur Avenue, Josephine Avenue, Ross Avenue, and Mavis Avenue. 10 Families were evacuated in Elgin as flood waters continued to rise on August 24th. Bike paths and other green space along the river were inundated. Another area affected included the Valley View Subdivision in St Charles. Kane County officials estimated that flooding damaged more than 600 homes and businesses, and forced at least 80 residents from their homes. Flooding also occurred to 15 homes along the rivers west bank in Montgomery. Reports indicated that floodwaters affected backyards, garages, and basements of homes just south of the Ashland Avenue Bridge. |
| September 2008 | Flash Flood | Hampshire | $3,000,000 | Flash flooding began during the predawn hours and continued into the early afternoon hours across many locations in Kane County. In Geneva, basement flooding was reported in the Emergency Operations Center, and the intersection of Route 25 and Fabyan Parkway was closed. Near Elburn, Empire Road was flooded east of Hampton Road, the intersection of Route 64 and Route 47 was flooded under the train tracks. Residential flooding was reported in Lily Lake. In Elgin, numerous roads and intersections were closed including, Randall and Big Timber Roads, Canyon and Valley Creek, Mark and Mildred Roads, and Jewett and Orange Streets. Flooding was also reported along Beckman Trail, the 300 block of Wilcox, the 400 block of Commonwealth and the 100 block of Brookside. Between Elburn and Maple Park, Keslinger and Schneider Roads were flooded. In Blackberry township, Main and Bunker Streets were flooded. Blackberry Creek overflowed its banks in Aurora. Storm total rainfall from early morning through early afternoon included 7.90 inches 7 miles northwest of St. Charles, 6.33 inches in St. Charles and 4.87 inches in Batavia. |
| September 2008 | Flash Flood | Elgin Arpt | $3,000,000 | Flash flooding or significant flooding was reported across most of Kane County, including street closures due to flooding, basement flooding and creek, stream and river flooding. A few of the more extensive flooding reports included a wall of a retention pond that was washed away in South Elgin, flooding along the Fox River in Batavia, eight cars were pulled out of flood waters along Route 56 and in residential areas in Elgin near Popular Creek. Numerous other vehicles were abandoned in flood waters. |
| April 1955 | Tornado (F1) | not stated | $2,500,000 | no account filed |
| July 2023 | Lightning | Geneva | $700,000 | Lightning struck a townhouse in St Charles causing a fire to break out. The fire spread into the next townhouse severely damaging both buildings. Two firefighters were injured while battling the fire. The exact extent of their injuries is unknown, but both of them were released from the hospital within the next day. Damages were estimated at more than $700,000. |
| July 2017 | Flash Flood | Richardson | $500,000 | Thunderstorms produced torrential rain which caused widespread flooding and flash flooding across northern portions of Kane County. Numerous cars were stuck in water near Route 47 and Route 72 near Pingree Grove. Many roads in Elgin and west of Elgin were flooded and impassable. Basement flooding was also reported in many areas with 76 homes suffering water damage. Two day storm total rainfall amounts included 7.31 inches one mile south of Elgin; 5.00 inches one east of Carpentersville; 4.60 inches in Gilberts and 4.08 inches two miles northeast of Elgin. |
| August 2008 | Thunderstorm Wind | St Charles | $500,000 | Wind gusts were estimated to 70 mph in St. Charles. High winds tore portions off the roof at St. Charles North High School. Roof debris, light poles, tree limbs and a crushed portable toilet littered the school grounds. About ten heating, ventilation and cooling units on the roof were either damaged or blown completely off the roof. Damage was also reported inside the school. A 150 year old oak tree was uprooted near Oxmoor Court. The falling tree broke a skylight on a house. Trees, tree limbs and power lines were blown down across many parts of St. Charles. |
| July 2011 | Lightning | Scraper Moecherville | $300,000 | Lightning sparked a fire at the Parks and Recreation administration building. |
| August 2007 | Flash Flood | Big Rock | $250,000 | The Aurora Airport measured 3.22 inches in 84 minutes. Significant flooding was reported at the intersections of Patricia and Snow Streets as well as Main Street and Highway 47. Businesses and basements flooded in Big Rock, along with water over roads. |
| July 1980 | Tornado (F2) | not stated | $250,000 | no account filed |
| April 1967 | Tornado (F2) | not stated | $250,000 | no account filed |
| April 1965 | Tornado (F1) | not stated | $250,000 | no account filed |
| August 1958 | Tornado (F2) | not stated | $250,000 | no account filed |
| March 2007 | Thunderstorm Wind | Aurora | $200,000 | A maintenance building and two condo buildings were damaged by high winds. Ten large trees were also uprooted. |
| June 2010 | Lightning | Gilberts | $175,000 | Lightning struck a house on Manchester Lane causing a fire. The house was uninhabitable. |
| September 2014 | Thunderstorm Wind | Unida | $100,000 | Numerous trees and large tree limbs were reported down across portions of Elgin. Approximately a mile northeast of Elgin, trees were uprooted and snapped. Two to three foot diameter trees fell onto homes and cars. Some roads were impassable. |
| July 2011 | Lightning | St Charles | $100,000 | Lightning struck a house on Jackson Street which started a fire in the attic and on the second floor. Damage to the house was estimated at $75,000 and at $25,000 to its contents. |
| August 2010 | Flash Flood | Scraper Moecherville | $100,000 | Flooding of low lying areas and some streets was reported across southern Kane County. Signficant flooding occurred in the Ogden Gardens neighborhood on Aurora's East side, on Parkside Avenue north of East New York Street. Sandbags were placed around at least one house and several houses suffered basement flooding. Storm total rainfall of 2.98 inches was measured in Aurora. |
| October 2010 | Tornado (EF1) | Virgil | $100,000 | The tornado that was northwest of Elburn touched down in a corn field about one mile north of Route 38, west of Francis Road. The tornado closely followed Francis Road and was on the ground for about of a mile. At the max width, the tornado was about 20 yards wide. The path touched three farmsteads and one home. The first farmstead that was affected sustained high end EF0 damage. An old garage and a small barn were leveled on the property, the roof was damaged on another building, and the trees on the property also sustained damage. There were several tree branches down around the property, and the trunk of a healthy pine tree was completely snapped. The second farmstead affected was located about a half mile up Francis Road. A temporary storage structure on the property was not constructed with any sort of wood or metal covering, but a heavy duty tarp-like material, heavily secured to the metal skeleton. The tarp was torn away from most of the metal structure, but still remained attached at one end. Several other buildings on the property, which were permanent, remained undamaged. The third and final farmstead affected was the most heavily affected area along the tornado's path. The farmstead was located about a quarter mile up Francis Road. Two large barns and one grain bin were completely destroyed on this property, and a telephone pole was completely snapped at the base. |
| July 2010 | Flash Flood | Elgin Arpt | $100,000 | Very heavy rain fell across north central Kane County during the early morning hours of July 24th. Some street flooding was reported in St. Charles. Basement flooding was reported in several areas in addition to flooding along creeks and rivers. Storm total rainfall amounts included 6.74 inches in St. Charles; 6.47 inches in Elgin; 4.93 inches one mile north of Geneva and 3.20 inches in Elburn. |
| June 2011 | Lightning | Sugar Grove | $95,000 | A house was struck by lightning on Carol Street causing extensive structural damage. |
| August 2008 | Thunderstorm Wind | Baldmound | $60,000 | A barn caught fire on Bliss Road after a power line was blown down. |
| May 2014 | Hail | Kaneville | $50,000 | Hail 1.50 inches to 2.00 inches was reported across portions of Sugar Grove. There were reports of broken house windows. |
| August 2012 | Thunderstorm Wind | Aurora | $50,000 | Wind gusts were estimated to 70 mph in Aurora. A 14 inch diameter maple tree was blown down onto a garage. Part of a roof was ripped off of an apartment complex with water causing damage to 96 units. |
| August 2007 | Thunderstorm Wind | Geneva | $50,000 | Extensive tree and power line damage across Geneva. |
| July 1994 | Thunderstorm Wind | Aurora | $50,000 | Two businesses were damaged by winds. The roof was torn off a body shop. A tractor semi-trailer was overturned. The damage occurred on the east side of Aurora near Interstate 88. |
| July 2011 | Lightning | Elgin | $35,000 | A church on Division Street was struck by lightning which broke a hole in the steeple tower. Much of the damage was from heavy rain which entered through the hole. |
| July 2006 | Thunderstorm Wind | Elgin | $30,000 | Trees, tree limbs and power lines were blown down across many areas of Elgin. A tree fell onto a car on West Chicago Street. |
| June 2014 | Lightning | St Charles | $25,000 | Lightning caused a fire to a residence in unincorporated St Charles. |
| August 2009 | Tornado (EF1) | Elburn | $25,000 | A tornado touched down just north of Route 38. At this location, a field of corn was flattened in a covergent manner towards the northwest. Damage was rated EF0 with winds near 65 mph and a path width of 20 yards. The tornado moved northwest and intensified as it moved along Route 47 where it snapped off and uprooted multiple large hardwood and softwood trees. The damage at this location was blown in a convergent pattern to the northwest. EF1 damage was observed with winds estimated near 105 mph and a path width of 40 yards. The tornado continued to the northwest maintaining its strength causing more tree damage along Route 47. Several trees were snapped off and consistently blown in the same direction to the northwest. Several cars were damaged by falling tree limbs. Damage was rated EF1 at this location with winds near 105 mph and a path width of 40 yards. Several residences along Route 47 continued to receive damage to many trees on their property even as the tornado was weakening. The last of the damage observed was in a corn field just to the west of Route 47. Here corn was flattened and twisted before the the tornado lifted with the damage rated EF0 with winds near 65 mph. |
| September 2007 | Thunderstorm Wind | Elgin | $25,000 | Extensive tree damage with some roads closed was reported on the west side of Elgin. One foot diameter tree limbs were blown down. Part of a roof was blown off a business on Fleetwood. |
| August 2006 | Lightning | St Charles | $25,000 | Lightning struck a house on Barb Hill Drive, which caused $20,000 in damage to the house and another $5,000 to the contents. |
| May 1991 | Tornado (F1) | not stated | $25,000 | no account filed |
| August 1960 | Tornado (F1) | not stated | $25,000 | no account filed |
| August 1956 | Tornado (F2) | not stated | $25,000 | no account filed |
| July 2017 | Thunderstorm Wind | Elgin | $20,000 | Wind gusts were estimated between 70 mph and 80 mph. Hundreds of trees suffered damaged on the east side of Elgin. Some trees were uprooted with large branches on cars. Several roads were closed due to downed power lines. |
| August 2012 | Lightning | Moecherville | $20,000 | Lightning struck an apartment complex on the 500 block of Hartford Avenue in North Aurora causing a small fire. |
| August 2007 | Thunderstorm Wind | Aurora | $20,000 | A large tree was blown down and crushed a car at the corner of Jackson Street and Parker Avenue. |
| August 2025 | Flash Flood | Prestbury | $15,000 | An estimated 20 structures were flooded in southern Kane County, specifically in the Aurora and Montgomery areas, amounting to roughly $15,000 in damages. |
| July 2006 | Thunderstorm Wind | St Charles | $15,000 | A tree was blown down onto power lines. The tree brought down wires between five utility poles and snapped two other poles. |
| July 2017 | Thunderstorm Wind | Pingree Grove | $10,000 | Twenty utility poles were snapped at the base. |
| June 2017 | Thunderstorm Wind | Gilberts | $10,000 | A portion of a new gas station under construction was blown down near Route 20 and Nesler Road. |
| June 2012 | Thunderstorm Wind | Geneva | $10,000 | Several trees were blown down, including some that fell on top of vehicles and power lines. |
| November 2010 | Thunderstorm Wind | Geneva | $10,000 | A three-sided store directory was blown off its foundation. Awnings were blown off two stores and four panels of a fence were destroyed. |
| April 2010 | Lightning | Fox River Estates | $10,000 | Lightning struck a home on Fox Glen Drive and started a fire in the attic. |
| June 2008 | Thunderstorm Wind | Maple Park | $10,000 | A semi truck was blown over near mile marker 101 on Interstate 88. |
| June 2008 | Thunderstorm Wind | Virgil | $10,000 | A tree was blown down onto a police car at Route 64 and Meredith Road. |
| March 2007 | Thunderstorm Wind | Marywood | $10,000 | A utility shed and a farmhouse were damaged at Farnsworth and Indian Trail roads. |
| January 2005 | Thunderstorm Wind | Sugar Grove | $10,000 | A farm house was damaged at Rt. 47 and Kadeka Rd. 400 feet of cedar fence was torn down. 3 foot diameter trees were snapped off and a 20 foot tall tree was uprooted. |
| July 2003 | Lightning | Batavia | $10,000 | no account filed |