| May 2010 | Flash Flood | Chardon | $4,500,000 | Slow moving thunderstorms dumped locally heavy rainfall on portions of Lake, Geauga and Cuyahoga Counties. Rainfall rates of between two and three inches per hour caused flash flooding. The worst flooding occurred in Chester Township in northwestern Geauga County. An automated rain gauge just east of Chesterland measured 3.62 inches of rain with most of this rainfall falling between noon and 1:30 pm. Flooding along several streams and small rivers was reported in Chester Township. Extensive flooding was reported in a neighborhood just southwest of the intersection of U.S. Route 322 and State Route 306. Homes along Marilyn Drive and Wyandot Road had up to two feet of water on their ground floors. Several people had to be rescued from their homes. A large portion of the downtown business district in Chesterland saw flood waters at least two feet deep. Extensive damage was reported to most of the businesses. Portions of U.S Route 322 and State Route 306 were washed out. Damage was also reported to several other state routes in the area. Significant flooding was also reported along County Line Road in Chagrin Falls. Dozens of streets had to be briefly closed because of flooding. An 18 year old had to be rescued from the Chagrin River in Russell Township. Flood waters reportedly toppled many trees along the river near where rescue occurred. The West Geauga School District had to cancel classes on June 1st because of flood damage. Hundreds of homes sustained flood damages during this event. Most of the damage was from basement flooding, but a few dozen buildings and homes did sustain major damage. |
| May 2011 | Hail | Chardon | $100,000 | Thunderstorms produced a swath of quarter to golf ball sized hail. Numerous vehicles were damaged by hail. Homes and crops were also damaged as a result of the large hail. |
| May 2011 | Hail | Chardon | $100,000 | Thunderstorms produced a swath of hail ranging in size from penny to half dollar to golf ball. Numerous vehicles and homes were damaged by the large hail. Crops were also damaged as a result of the hail. |
| July 1999 | Thunderstorm Wind | Chardon | $50,000 | Many trees downed across the central portion of the county. Twenty four trees were reported down in Chardon with three homes sustaining minor damage from falling trees. One car was also damaged by a falling tree in Chardon. |
| June 2014 | Thunderstorm Wind | Chardon | $40,000 | Thunderstorm winds caused damaged in Munson Township. Several trees were snapped about 20 feet above the ground. Some roofs in the area were also damaged. |
| November 2002 | Thunderstorm Wind | Chardon | $35,000 | Thunderstorm winds downed many trees and large limbs northeast of Chardon in Hambden Township. |
| November 2013 | Thunderstorm Wind | Chardon | $25,000 | Thunderstorm winds downed several trees in Chardon Township. State Route 87 was blocked by some of the fallen trees. |
| August 2009 | Thunderstorm Wind | Chardon | $25,000 | Trees and utility lines were reported down throughout the county. |
| August 2023 | Thunderstorm Wind | Chardon | $20,000 | Downed tree punctured roof of home in Chardon. |
| July 2013 | Thunderstorm Wind | Chardon | $15,000 | Thunderstorm winds downed several trees across the county. |
| June 2000 | Thunderstorm Wind | Chardon | $15,000 | Thunderstorm winds downed 10 healthy trees in Chardon. |
| June 2015 | Thunderstorm Wind | Chardon | $10,000 | Law enforcement reported several trees down from thunderstorm winds in northern Geauga County with some trees down on Route 6 and Chardon-Windsor. |
| September 2010 | Thunderstorm Wind | Chardon | $10,000 | Thunderstorm winds downed numerous large trees and powerlines near State Route 608 and Brakeman Road. |
| July 2008 | Thunderstorm Wind | Chardon | $10,000 | Thunderstorm winds downed several trees. |
| July 2005 | Thunderstorm Wind | Chardon | $10,000 | Several trees were reported down. |
| October 2000 | Thunderstorm Wind | Chardon | $10,000 | Thunderstorm winds downed many trees. |
| December 2008 | Thunderstorm Wind | Chardon | $6,000 | Several trees were reported down throughout the county. |
| September 2003 | Thunderstorm Wind | Chardon | $6,000 | Thunderstorm winds downed three trees. |
| July 2019 | Thunderstorm Wind | Chardon | $5,000 | A tree fell onto a house causing damaging. |
| August 2009 | Thunderstorm Wind | Chardon | $5,000 | Several large limbs were reported down across the county. |
| June 2000 | Thunderstorm Wind | Chardon | $5,000 | Thunderstorm winds downed a few trees and large limbs. |
| September 1999 | Thunderstorm Wind | Chardon | $5,000 | Two trees downed just north of Chardon. |
| June 2020 | Thunderstorm Wind | Chardon | $4,000 | Chardon Fire Department reports trees and wires down across the city. Locations impacted include: US Route 6 at Auburn Road, Irma Drive, and Battles Court. |
| July 2008 | Thunderstorm Wind | Chardon | $3,000 | Thunderstorm winds downed two trees. |
| August 2008 | Thunderstorm Wind | Chardon | $3,000 | Several large trees were reported down. |
| October 2003 | Thunderstorm Wind | Chardon | $3,000 | Thunderstorm winds downed one tree and one large limb in Chardon Township. |
| May 1998 | Thunderstorm Wind | Chardon | $3,000 | Trees were downed. |
| July 2019 | Thunderstorm Wind | Chardon | $2,000 | A tree fell onto a garage. |
| March 2017 | Thunderstorm Wind | Chardon | $2,000 | Thunderstorm winds downed a tree near Chardon and a second near South Russell. |
| September 2005 | Thunderstorm Wind | Chardon | $2,000 | A few large limbs were reported down. |
| August 1999 | Thunderstorm Wind | Chardon | $2,000 | A tree and a large limb were downed just south of Chardon. |
| July 2022 | Thunderstorm Wind | Chardon | $1,500 | Tree downed onto car at 309 North Hambden Street in Chardon. Driver was not injured. |
| September 2018 | Thunderstorm Wind | Chardon | $1,000 | Thunderstorm winds downed a tree. |
| January 2012 | Thunderstorm Wind | Chardon | $1,000 | Thunderstorm winds downed several large tree limbs. |
| April 2011 | Thunderstorm Wind | Chardon | $1,000 | Thunderstorm winds downed a few large trees. |
| April 2011 | Hail | Chardon | $1,000 | Thunderstorms produced pea sized hail. |
| July 2010 | Thunderstorm Wind | Chardon | $1,000 | Thunderstorm winds downed several large tree branches. |
| August 1996 | Lightning | Chardon | $1,000 | no account filed |
| March 2026 | Thunderstorm Wind | Chardon | - | Healthy tree snapped at the intersection of Mentor Road and OH Route 44 on the northwest side of Chardon. |
| March 2023 | Thunderstorm Wind | Chardon | - | Trees downed at St. Denis Golf Course and power pole downed at intersection of Chardon and Auburn Roads on west side of Chardon. |
| March 2023 | Thunderstorm Wind | Chardon | - | Numerous trees downed about one-mile SSW of Chardon. |
| April 2023 | Thunderstorm Wind | Chardon | - | Large tree was downed and caused collapse of power pole in Chardon. |
| April 2022 | Thunderstorm Wind | Chardon | - | Tree downed along South Street in Chardon and another tree downed in Montville. |
| June 2021 | Thunderstorm Wind | Chardon | - | Trees down at U.S. Route 6 and Calico Lane in Chardon. |
| June 2021 | Thunderstorm Wind | Chardon | - | Numerous trees down at Ravenna Road and Wintergreen Drive in Chardon. One tree fell onto house. |
| July 2020 | Thunderstorm Wind | Chardon | - | Tree down onto power lines in Chardon. Another tree down at 11291 Claridon Troy Road in Aquilla. Yet another tree down on house along Kile Road in Hambden Township. House suffered a hole in its roof. |
| November 2020 | Thunderstorm Wind | Chardon | - | Large tree down and blocking roadway at Ravenna and Hosford Roads in Chardon area. |
| November 2020 | Thunderstorm Wind | Chardon | - | Trees down across roadway at OH-44 and Clark Road about four miles NNW of Chardon. |
| November 2020 | Thunderstorm Wind | Chardon | - | Power poles down at South Street and Randall Court in Chardon. |
| January 2019 | Hail | Chardon | - | Penny-sized hail was reported northwest of Chardon. This report was via a photo on social media. |
| July 2019 | Thunderstorm Wind | Chardon | - | A large tree was reported blown down. |
| May 2013 | Hail | Chardon | - | Quarter sized hail was observed. |
| May 2012 | Hail | Chardon | - | Penny sized hail was observed. |
| June 2011 | Hail | Chardon | - | Penny sized hail was observed. |
| August 2011 | Hail | Chardon | - | Nickel to quarter sized hail was observed. |
| August 2011 | Hail | Chardon | - | Penny sized hail was observed. |
| August 2011 | Hail | Chardon | - | Penny sized hail was observed. |
| May 2011 | Hail | Chardon | - | Thunderstorms produced nickel size hail. |
| May 2010 | Hail | Chardon | - | Quarter sized hail was observed. |
| May 2006 | Hail | Chardon | - | Penny size hail was observed. |