| February 2005 | Lightning | Kennesaw | $500,000 | The Marietta Daily Journal reported that lightning struck and set on fire four homes in the northern portion of the county. Three of the homes suffered major damage. |
| May 2010 | Lightning | Kennesaw | $250,000 | The Atlanta Journal-Constitution reported that lightning struck a home on Summit Wood Drive resulting in a fire. The home suffered major damage from the fire. The lone occupant was able to escape without injury. |
| July 2007 | Lightning | Kennesaw | $250,000 | WXIA Television of Atlanta reported that lightning struck a home in the Kennesaw area causing substantial damage to the structure. |
| July 2002 | Thunderstorm Wind | Kennesaw | $175,000 | The Cobb county Emergency Management Director reported that a thunderstorm microburst caused extensive damage to two Preferred Jet Center Hangers at McCollum field, just southeast of Kennesaw. The walls were moved in. However, no aircraft were damaged. While the tower at the field only reported 45 mph winds, a localized microbust was suspected with winds up to 100 mph. |
| February 1997 | Thunderstorm Wind | Kennesaw | $50,000 | no account filed |
| August 1995 | Thunderstorm Wind | Kennesaw | $8,000 | Thunderstorm winds blew campers over on Highway 41. |
| April 2006 | Lightning | Kennesaw | $5,000 | The public reported that a home was struck by lightning. The damage amount was undeterminable. |
| July 1999 | Lightning | Kennesaw | $5,000 | A fire started by lightning damaged the roof of a home on Wade Green Road. |
| July 1997 | Thunderstorm Wind | Kennesaw | $5,000 | The remnants of Hurricane Danny, which made landfall in south Alabama on Saturday July 19th, moved slowly across the Atlanta metropolitan area in the early morning hours of July 23rd. As it approached north Georgia, a Flash Flood watch was issued for an area north of a line from Peachtree City in Fayette county to Athens in Clark county at 5 pm on the 22nd. This area was extended south to a line from Hamilton in Harris county to Forsyth in Monroe county to Eatonton in Putnam county to Washington in Wilkes county at 10 pm on the 22nd. A severe thunderstorm associated with convective rain bands from the remnants of Danny passed over Kennesaw State University in Cobb county at approximately 6 am on the 23rd. Campus police officers reported a big boom which lasted for a couple of minutes at approximately 6:10 am. Several trees were knocked down at the Administrative building, as well as at the main entrance. Numerous trees were down on Chastain Road, at the intersection of Paulding Avenue and Dallas Drive, on Cobb Avenue, and at the intersection of Dallas Drive and Frey Lake Road. Power lines were also knocked down by falling branches on Frey Lake Road and Dallas Drive. Across the street from the campus, several trees were knocked over. Campus police reported that several pieces of equipment were either blown off of roofs or at least blown over. At least one parked vehicle sustained damage from flying debris. An air conditioning unit was pushed to the edge of a trailer as well. |
| June 1994 | Thunderstorm Wind | Kennesaw | $5,000 | Thunderstorm winds downed several large trees and limbs along United States Highway 41 in Kennesaw. |
| August 2004 | Thunderstorm Wind | Kennesaw | $3,000 | The Cobb County 911 Center reported that several trees were blown down between Kenneesaw and Blackwells. |
| May 2001 | Thunderstorm Wind | Kennesaw | $3,000 | The public reported numerous trees down at the intersection of Interstate 575 and Chastain Road. |
| March 1997 | Thunderstorm Wind | Kennesaw | $3,000 | no account filed |
| June 2013 | Thunderstorm Wind | Kennesaw | $2,000 | Trained spotters and the public reported several trees down in Cobb County that were not related to the tornado. Trees were snapped and uprooted in the area of Kennesaw State University and near Southwick and Etheridge Drives specifically. A home northeast of Kennesaw had its shutters blown off. |
| July 2004 | Lightning | Kennesaw | $2,000 | A trained spotter for the National Weather Service reported that lightning strikes knocked out three electrical transformers. One of the transformers was set on fire. |
| July 2002 | Thunderstorm Wind | Kennesaw | $2,000 | The Marietta Daily Journal and a tree service company reported that numerous trees were down. |
| April 2018 | Thunderstorm Wind | Kennesaw | $1,000 | The public reported a tree blown down across Clover Road near Old Highway 41. |
| June 2018 | Thunderstorm Wind | Kennesaw | $1,000 | The Cobb County Emergency Manager reported a tree blown down at Mack Dobbs Road and Stilesboro Road. |
| April 2015 | Thunderstorm Wind | Kennesaw | $1,000 | The Cobb County 911 center reported several trees down from Kennesaw to Smyrna, including one down on Cooper Lake Road. |
| July 1999 | Thunderstorm Wind | Kennesaw | $500 | The public reported trees blown down on Pine Mountain Road. |
| July 2022 | Thunderstorm Wind | Kennesaw | - | Tree down on road at Kennesaw Due West Rd and Stilesboro Rd NW. |
| February 2020 | Flash Flood | Kennesaw | - | Social media post indicated water flowing over the roadway at Loring Road near Butler Creek. Radar estimates indicate that 2.5 to 4 inches of rain occurred, falling on already wet soils and resulting in flash flooding. |
| May 2012 | Hail | Kennesaw | - | The public reported quarter sized hail near Kennesaw, which lasted for about 10 minutes. |
| December 2008 | Heavy Rain | Kennesaw | - | An amateur radio operator relayed a report of street and highway flooding at Morris Mill Road and Howell Road. All lanes of Interstate-75 were blocked in this area because of high water, except the HOV lane. Heavy rain of 1.0 to 1.5 inches fell in about one hour across much of Cobb county as a line of heavy thunderstorms traversed the area during this time frame. |
| March 2008 | Hail | Kennesaw | - | The public reported quarter-sized hail in far northwest Cobb county, west of Kennesaw and penny-sized hail in the Marietta and Fair Oaks area. |
| March 2008 | Hail | Kennesaw | - | An off duty meteorologist with The Weather Channel observed hail ranging in size from dimes in the northern part of Kennesaw to almost golf balls in the southern part of Kennesaw. |
| February 2005 | Hail | Kennesaw | - | The public reported penny-sized hail. |
| August 2004 | Heavy Rain | Kennesaw | - | The Cobb County 911 Center reported minor street flooding on several streets in the area. In addition, some minor flooding was reported at a local shopping mall. |
| July 2003 | Flash Flood | Kennesaw | - | The public reported that Kennesaw Avenue was flooded, with up to two feet of water over the road in spots between Kennesaw and Marietta. Others reported that some roads in the Six Flags area of far south Cobb county were flooded with several inches of water flowing over the roads. |
| May 2003 | Hail | Kennesaw | - | The public reported golf ball-sized hail. |
| May 2003 | Hail | Kennesaw | - | The public reported golf ball-sized hail in Kennesaw and penny-sized hail in Marietta. |
| May 2002 | Hail | Kennesaw | - | The public reported dime size hail. |
| June 2001 | Hail | Kennesaw | - | The public reported quarter size hail. |
| February 1999 | Hail | Kennesaw | - | A couple of public reports indicated nickel to quarter size hail fell in Cobb county. A large tree fell on a swing set in Austell, cutting it in half. |
| September 1999 | Hail | Kennesaw | - | A CNN meteorologist and several public reports indicated dime to quarter size hail fell across Cobb county. The meteorologist said quarter size hail covered the ground in Marietta. |
| June 1999 | Hail | Kennesaw | - | There were numerous reports from the public of hail ranging from dime to golfball size. |
| March 1999 | Hail | Kennesaw | - | The Kennesaw Emergency Services reported dime to quarter size hail. |
| July 1999 | Hail | Kennesaw | - | no account filed |
| May 1998 | Hail | Kennesaw | - | no account filed |
| April 1998 | Hail | Kennesaw | - | no account filed |
| April 1997 | Hail | Kennesaw | - | no account filed |
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