| April 2011 | Flood | Lamar | $100,000 | Four low water crossings were flooded in central and southern portions of Barton County.||The total cost estimate for flooding damages for Barton County for this entire episode has been included. This includes roads, bridges, and structures which were affected. |
| November 1998 | Thunderstorm Wind | Lamar | $75,000 | no account filed |
| July 2023 | Thunderstorm Wind | Lamar | $50,000 | Numerous trees and large limbs were reported down. Some trees and limbs fell on homes causing minor roof, gutter and siding damage. |
| August 2020 | Thunderstorm Wind | Lamar | $50,000 | A semi truck was blown on its side on I-49 near the Lamar exit. |
| March 2017 | Hail | Lamar | $50,000 | Golf ball size hail damaged several cars and homes. This report will have damage estimates for this storm event. |
| July 1994 | Thunderstorm Wind | Lamar | $50,000 | The county sheriff reported trees and power lines down from wind gusts of 60 mph between Lamar and Milford. |
| May 1999 | Thunderstorm Wind | Lamar | $40,000 | no account filed |
| February 2017 | Thunderstorm Wind | Lamar | $25,000 | A roof was completely removed for a residential home. Debris was blown eastward into multiple trees in the backyard. |
| May 2004 | Thunderstorm Wind | Lamar | $20,000 | Severe thunderstorm wind gusts downed a large tree into the living room of a farm home. |
| September 2025 | Thunderstorm Wind | Lamar | $18,000 | Trees and power poles were down due to thunderstorms in Lamar. |
| May 2013 | Thunderstorm Wind | Lamar | $15,000 | A building and several roofs were reported damaged by estimated 75 mph wind. |
| April 2000 | Thunderstorm Wind | Lamar | $15,000 | no account filed |
| May 2025 | Thunderstorm Wind | Lamar | $12,000 | A tractor trailer was overturned southbound on Interstate 49, blocking one lane. |
| April 2017 | Flood | Lamar | $10,000 | A vehicle drove into a flooded Muddy Creek and became submerged. All occupants were able to get out safely. This incident occurred near the intersection of Muddy Creek and NE 30th Lane. |
| November 2008 | Thunderstorm Wind | Lamar | $10,000 | Severe thunderstorm winds snapped off several large trees and one barn was damaged east of Lamar. |
| July 2005 | Thunderstorm Wind | Lamar | $10,000 | Severe thunderstorm wind gusts downed a few trees and power poles in the city of Lamar. |
| March 2002 | Thunderstorm Wind | Lamar | $10,000 | no account filed |
| June 1998 | Lightning | Lamar | $10,000 | no account filed |
| June 2020 | Thunderstorm Wind | Lamar | $5,000 | Two power poles were reported broken by high winds by Barton County Electric COOP. |
| April 2016 | Thunderstorm Wind | Lamar | $5,000 | Several trees and power lines were blown down in Lamar. An RV was blown over along Interstate 49. |
| August 2015 | Thunderstorm Wind | Lamar | $5,000 | Several large tree branches were snapped in Lamar. There was a building that had the metal roof peeled back. |
| June 2014 | Thunderstorm Wind | Lamar | $5,000 | Several power lines were reported down from fallen tree branches about one mile south of Lamar on Highway KK near 20th Street. |
| June 1994 | Hail | Lamar | $5,000 | Reported by KODE-TV. |
| May 2000 | Thunderstorm Wind | Lamar | $5,000 | no account filed |
| November 2003 | Thunderstorm Wind | Lamar | $3,000 | Straight line winds from a possible microburst destroyed a hog barn and threw a large portion of it on a nearby highway. No other damage was observed from this storm. |
| March 2026 | Thunderstorm Wind | Lamar | $2,000 | A tree and power pole were downed in Lamar which caused several hundred power outages. |
| June 2017 | Thunderstorm Wind | Lamar | $2,000 | A few power lines were blown down. |
| May 2013 | Thunderstorm Wind | Lamar | $2,000 | Minor roof damage was reported to a building at the intersection of Highways C and F. |
| June 2009 | Thunderstorm Wind | Lamar | $2,000 | Thunderstorm wind gusts blew down a street sign near the Walmart in Lamar. |
| May 2018 | Thunderstorm Wind | Lamar | $1,000 | A large tree limb was blown down and damage an out building. |
| November 2008 | Thunderstorm Wind | Lamar | $1,000 | Severe thunderstorm wind gusts blew down a power pole one mile west of Lamar on Highway 160. |
| September 2003 | Thunderstorm Wind | Lamar | $500 | Law enforcement officials observed downed power lines from severe thunderstorm wind gusts. |
| April 2026 | Flood | Lamar | - | Flooding was reported on NE 15th Lane at the North Fork Spring River. |
| April 2025 | Flood | Lamar | - | Tributary and small stream flooding in town and along Interstate 49 closed some city streets. |
| May 2025 | Heavy Rain | Lamar | - | Storm total rainfall amount of 3.28 inches from May 23 through May 27. |
| June 2025 | Flash Flood | Lamar | - | Significant street flooding occurred in the city of Lamar due to rainfall amounts of one to three inches in a short time. Several roads were closed in and around Lamar. |
| June 2025 | Flood | Lamar | - | Creek flooding was reported around the city of Lamar due to heavy rainfall. |
| April 2023 | Hail | Lamar | - | Half dollar sized hail was reported. |
| April 2023 | Hail | Lamar | - | Quarter sized hail was reported. |
| April 2023 | Hail | Lamar | - | Half dollar sized hail was reported. |
| July 2023 | Thunderstorm Wind | Lamar | - | Multiple power outages occurred in the Cities of Lamar and Golden City and surrounding areas. |
| July 2023 | Thunderstorm Wind | Lamar | - | The Mesonet station north of Lamar measured a 68 mph wind gust. |
| July 2023 | Thunderstorm Wind | Lamar | - | A wind gust of 70 mph was measured at the Lamar Mesonet site. |
| May 2022 | Flood | Lamar | - | Highway 160 at the low water crossing on the North Fork Spring River was closed due to flooding. |
| May 2022 | Flash Flood | Lamar | - | Multiple city streets were reported underwater by the Lamar police department. |
| March 2021 | Hail | Lamar | - | Penny sized hail was reported. |
| August 2020 | Thunderstorm Wind | Lamar | - | A home weather station reported a 59.2 mph wind gust. |
| May 2019 | Heavy Rain | Lamar | - | The Lamar Water Station recorded a 24 hour rainfall total of 3.55 inches. |
| May 2019 | Heavy Rain | Lamar | - | A 24 hour rainfall measurement of 5.30 inches was reported. Rainfall continued to fall at the time of the report. |
| May 2019 | Flash Flood | Lamar | - | Heavy rainfall resulted in flooding of numerous streets in the city of Lamar. |
| March 2016 | Hail | Lamar | - | Pea to penny size hail was reported. |
| April 2016 | Thunderstorm Wind | Lamar | - | A large tree was blown down. |
| June 2014 | Flash Flood | Lamar | - | Three low water crossings were flooded in the city of Lamar. |
| April 2013 | Flood | Lamar | - | Heavy rainfall caused the North Fork and Spring Rivers to rise out of their banks across eastern Barton County. Low water crossings and roadways were reported underwater. |
| May 2012 | Flash Flood | Lamar | - | Flooding of secondary roads were reported and several had to be closed across the county. |
| September 2012 | Thunderstorm Wind | Lamar | - | Several large trees were reported down in the town of Lamar. |
| September 2012 | Thunderstorm Wind | Lamar | - | A 65 mph wind gust was estimated. |
| July 2011 | Thunderstorm Wind | Lamar | - | Downburst wind gusts downed a few large tree limbs down. |
| July 2010 | Tornado (EF0) | Lamar | - | A National Weather Service storm survey team confirmed that an EF-0 tornado with estimated winds of 75 mph tracked from west to east about one quarter of a mile and uprooted two trees. |
| February 2009 | Thunderstorm Wind | Lamar | - | Thunderstorm wind gusts downed a few tree limbs. |