| January 2015 | Flood | Lancaster | 1 killed | EM reported one fatality when a pickup truck tried to drive through a flooded area and the went onto the shoulder that was washed out. The truck went into the stream and when the driver tried to get out he was carried away. The incident occurred around 630am. |
| June 2000 | Thunderstorm Wind | Lancaster | 1 hurt | Sheriff reported widespread trees and power lines down in Lancaster. |
| April 2009 | Thunderstorm Wind | Lancaster | $500,000 | EM reported many trees down on homes and 3/4 inch hail with a microburst that hit the Lancaster area. |
| April 2005 | Lightning | Lancaster | $125,000 | Lightning struck a home on Westmoreland Drive and caused significant damage. |
| September 2011 | Thunderstorm Wind | Lancaster | $120,000 | Numerous trees and powerlines were reported down on Laurel Ave, some falling onto homes with no injuries. |
| May 2011 | Thunderstorm Wind | Lancaster | $86,000 | EM reported numerous tress and powerlines down in Lancaster. Newspaper reported 4600 people were without power throughout the county. |
| April 2011 | Hail | Lancaster | $80,000 | Lancaster EMA reported 3 separate episodes of hail. Golfball size hail occurred from 615-630pm, 1.5-2 inch hail occurred from 710-720pm. Pea to marble size hail occurred between 730-740pm. Hail covered the ground and there was one tree knocked down by a wind gust. |
| July 2005 | Lightning | Lancaster | $65,000 | Lightning struck a home on Balkcum Road and did $65k worth of damage. |
| January 2010 | Flash Flood | Lancaster | $60,000 | Thunderstorms produced around 3 inches of rain within a couple of hours that sent many streams over their banks and washing out roads. |
| June 2006 | Thunderstorm Wind | Lancaster | $60,000 | A downburst down trees on the Ghent family home on Major Evans Road. Trees fell on the home and started a fire which significantly damaged the home. |
| April 2011 | Thunderstorm Wind | Lancaster | $45,000 | Microburst winds took trees down, one fell on a home at 1536 Tin Lane. |
| April 2011 | Hail | Lancaster | $40,000 | Spotter reported golfball size hail in Lancaster. |
| December 2008 | Thunderstorm Wind | Lancaster | $20,000 | A microburst did minor damage to several homes and a business on the southwest side of town between Memorial Drive and Wade Street. Siding and shigles were damaged and the roof of a foundary was damaged. |
| June 2011 | Thunderstorm Wind | Lancaster | $18,000 | Sheriff reported numerous trees and powerlines down between Hwy 5 South and the City of Lancaster. A building also had its roof partially torn off. |
| September 2015 | Thunderstorm Wind | Lancaster | $16,000 | Dispatch reported a tree fell onto a home on Fairfield Street in Lancaster. |
| February 1997 | Thunderstorm Wind | Lancaster | $15,000 | no account filed |
| November 1996 | Thunderstorm Wind | Lancaster | $15,000 | no account filed |
| December 2009 | Flash Flood | Lancaster | $14,000 | Sheriff departments in Lancaster, Chesterfield, Kershaw, and Fairfield counties reported considerable flash flooding in portions of their counties. Many streams were overflowing roads, bridges, and flooding low lying areas. Several washouts and road closures were also reported. |
| September 2015 | Thunderstorm Wind | Lancaster | $12,000 | Dispatch reported a large carport and shed blown down on Fairfield Street in Lancaster. |
| June 2020 | Flash Flood | Lancaster | $10,000 | Flooding in the Dalton Ridge Apartments. Lancaster Co Emergency Manager reported at least 8 roads flooded within the city of Lancaster, specific locations not given. One person was assisted from a motor vehicle by the Fire Dept, specific location not given. |
| May 2019 | Flash Flood | Lancaster | $10,000 | Heavy rain led to flooding which prompted evacuations at Dalton Ridge Apartments in Lancaster. |
| December 2009 | Thunderstorm Wind | Lancaster | $10,000 | EM reported trees and powerlines down throughout much of the central and eastern portion of the county. |
| August 2008 | Flash Flood | Lancaster | $10,000 | Sheriff and public reported some secondary roads flooded from overflowing streams, temporarily closing some of them. |
| July 2014 | Thunderstorm Wind | Lancaster | $8,000 | Sheriff reported several trees and powerlines down on Shallow Unity Road, University Road, and Zion Road. |
| December 2015 | Flash Flood | Lancaster | $5,000 | County EM reported a water rescue from a vehicle on Plantation Road. |
| September 2012 | Flash Flood | Lancaster | $5,000 | Lancaster spotter reported flash flooding from Lancaster to the NC State Line on SC 200. The worst flooding was near the intersection of Hwy 200 and Hwy 521. |
| April 2011 | Hail | Lancaster | $5,000 | Public reported 1 inch hail in Lancaster. |
| September 2012 | Flash Flood | Lancaster | $4,000 | Sheriff reported Hannahs Creek out of its banks and flooding Independence Park and Constitutional Park. |
| July 2015 | Thunderstorm Wind | Lancaster | $3,000 | Highway Patrol reported trees down on Woodland Drive at Gillsbrook Drive. |
| July 2012 | Thunderstorm Wind | Lancaster | $2,000 | EM reported a tree down on powerlines and blocking part of Continental Road. |
| July 2019 | Hail | Lancaster | $100 | Pea size hail observed in Lancaster. Time estimated. |
| September 2018 | Flash Flood | Lancaster | $100 | Social media reports with video indicating a creek out of its banks inundating a park off Main St in Lancaster. Exact location unknown. Times approximate. |
| May 2017 | Heavy Rain | Lancaster | $100 | Heavy rain caused street flooding on Hwy 9 at USC Lancaster. A rainfall measurement of 1.50 inches was received. |
| January 2024 | Thunderstorm Wind | Lancaster | - | Trees were downed on Colonial Ave and Gillsbrook Rd in Lancaster. Time estimated. |
| May 2024 | Thunderstorm Wind | Lancaster | - | SCHP reported a tree down in the roadway at Flat Creek Rd and McCowan Lane. Time estimated. |
| July 2024 | Flash Flood | Lancaster | - | Trained spotter in Lancaster reported flash flooding at N Main St and Woodland Dr covering the road up to the tires on cars. |
| August 2024 | Thunderstorm Wind | Lancaster | - | Lancaster county dispatch reported multiple trees down within the city limits. |
| August 2024 | Hail | Lancaster | - | Lancaster county 911 reported 1 inch hail at their location. Time estimated by radar. |
| June 2022 | Thunderstorm Wind | Lancaster | - | SCHP reported tree in roadway at Craig Farm Rd and Montgomery Rd. Time estimated. |
| June 2022 | Thunderstorm Wind | Lancaster | - | Public report and photo, via social media, of a tree down near 407 Pine St in Lancaster. Time estimated. |
| May 2020 | Thunderstorm Wind | Lancaster | - | Lancaster Co dispatch reported trees down in the town of Lancaster, including 6th St and Springdale Rd. Time estimated. |
| May 2020 | Thunderstorm Wind | Lancaster | - | County dispatch reported trees and power lines down throughout the county. |
| April 2019 | Thunderstorm Wind | Lancaster | - | Trained spotter and law enforcement reported downed trees and structural damage due to a thunderstorm downburst. Wind damage occurred to a brick structure on Brooklyn Ave in Lancaster. Trees were downed on SC Hwy 9 and Sunshine Rd. A tree fell on a house on Stinson Rd. Three trees were downed on Thompson Rd. Time estimated. |
| September 2019 | Thunderstorm Wind | Lancaster | - | Power lines down on 8th St and Brooklyn Ave. Time estimated. |
| July 2017 | Thunderstorm Wind | Lancaster | - | Lancaster County SC Sheriff's Dept reported a couple of trees down on the north side of Lancaster City, along Hwy 200 and Robin Dr. |
| May 2016 | Thunderstorm Wind | Lancaster | - | Reported multiple trees down in Lancaster. Some along Woodland Drive and other locations around Lancaster. |
| December 2015 | Thunderstorm Wind | Lancaster | - | Trees down in roadway at the intersection of Hwy. 9 and Hwy. 200. |
| March 2012 | Hail | Lancaster | - | Emergency Manager reported pea to nickel size hail just south of the city of Lancaster. |
| June 2010 | Thunderstorm Wind | Lancaster | - | EM reported large limbs down around town. |
| April 2010 | Hail | Lancaster | - | Public reported quarter size hail. |
| August 2009 | Hail | Lancaster | - | Fire Dept. reported penny size hail. |
| March 2008 | Thunderstorm Wind | Lancaster | - | Sheriff reported several trees down in Lancaster on Cross street, Barberville road, Floyd road, Winterwood road, Pinoak road, and Springdale road. |
| April 2008 | Thunderstorm Wind | Lancaster | - | DOT and Emergency Manager reported trees down on Baily road and South Potter road. Radar also indicated golf ball size hail just northeast of this area but no reports were called in. |
| June 2008 | Hail | Lancaster | - | Emergency Manager reported nickel to quarter size hail on hwy 9 east of Lancaster. |
| June 2008 | Thunderstorm Wind | Lancaster | - | Emergency Manager reported significant wind damage in northeast Lancaster. Storm survey found roof torn off of electrical company, second story torn off a modular home, double steel billboads bent over to the ground, shingles stuck into sides of buildings, other structural damage and trees down. This damages was caused by an intense microburst that also produced quarter size hail. |
| August 2008 | Hail | Lancaster | - | Sheriff reported nickel size hail in the Buford area. |
| May 2007 | Thunderstorm Wind | Lancaster | - | Highway dept reported a couple of trees down at hwys 347 and 200. |
| June 2007 | Hail | Lancaster | - | Sheriff reported golf ball size hail at Indian Land. |
| June 2007 | Hail | Lancaster | - | Sheriff reported hail from Lancaster to Heath Springs ranging from nickel to golf ball size. |
| April 2006 | Thunderstorm Wind | Lancaster | - | Emergency manager reported trees and power lines down |
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