| May 1998 | Hail | Brush | 2 hurt, $2,200,000 | Large hail pummelled the towns of Greeley, Brush and Fort Morgan. In Brush, some roofs collapsed under the deluge and one roof was blown off. Two people received minor injuries. One woman was injured, while in her home, when large hail broke through the window. Hundreds of cars were also damaged and some were stuck in the hail, up to 18 inches deep, until snowplows could clear the roads off. Crops were shredded during the hailstorm and fields flooded. Approximately 140,000 acres of cropland in and around Brush were devastated. Damage estimates to homes and vehicle in the Greeley, Brush and Fort Morgan areas was estimated at $2.2 million. In addition, crop losses from the storm were expected to exceed $1.0 million. |
| August 2010 | Tornado (EF1) | Brush | $50,000 | A tornado touched down near a home. It uprooted trees and did some damage to the home, breaking windows some windows. Two horse trailers were picked up and thrown approximately 100 yards. Several hundred yards of fence were torn out of the ground, and several wood and steel fence posts were torn out of the ground. Debris was found up to a mile from where the tornado touched down. A small horse barn that had been recently built was also destroyed; one horse was badly injured and was later euthanized. |
| July 2009 | Thunderstorm Wind | Brush | $50,000 | Damaging thunderstorm winds toppled two grain elevators and knocked a tree into a home. In addition, some empty trailers were blown onto their sides. Some outbuildings at High Plains Livestock suffered roof damage and broken windows. The combination of strong wind and marble size hail also caused extensive crop damage. |
| June 1997 | Tornado (F1) | Brush | $35,000 | A small tornado damaged an irrigation sprinkler and tore up several bales of hay. The irrigation sprinkler was picked up 3 to 4 feet into the air and flipped. |
| August 2024 | Flash Flood | Brush | $25,000 | Widespread Flash Flooding in reported in Brush due to 4 inches of rain. Exact location was estimated. No reports of damage, but there was likely some. |
| May 2015 | Flash Flood | Brush | $25,000 | Several roads in the Brush area were inundated by floodwaters. |
| May 2015 | Flash Flood | Brush | $25,000 | Heavy rain continued to produce flooding and flash flooding, inundating numerous roads across east central Morgan County. |
| July 2008 | Flash Flood | Brush | $10,000 | Floodwaters, up to one foot in depth, caused extensive flooding in Brush. Streets and yards were flooded, and the high water entered several homes. |
| July 2000 | Thunderstorm Wind | Brush | $10,000 | Microburst winds damaged a garage and destroyed a small shed in Brush. The burst blew the roof off the garage and smashed the shed. |
| August 1994 | Thunderstorm Wind | Brush | $20 | Thunderstorm winds caused several 4-5 inch diameter trees to blow over. A motor boat was tossed off a trailer. |
| August 2025 | Hail | Brush | - | The report was from mPING. |
| May 2025 | Thunderstorm Wind | Brush | - | Power poles down near the intersection of County Road 25 and County Road R. Time estimated. |
| May 2025 | Thunderstorm Wind | Brush | - | Multiple 3-4 inch diameter tree limbs down. Time estimated. |
| May 2025 | Thunderstorm Wind | Brush | - | Spotter and social media posts of at least one tree down on a house in Brush. Time and location estimated. |
| June 2024 | Thunderstorm Wind | Brush | - | Report from mping: 3-inch tree limbs broken; Power poles broken. |
| August 2024 | Thunderstorm Wind | Brush | - | Windows blown out in Brush, estimated due to high straight line winds. |
| August 2024 | Heavy Rain | Brush | - | Rainfall of 4.07 inches fell between 17:49pm to 19:09pm MST. |
| August 2024 | Thunderstorm Wind | Brush | - | Reports of powerlines and trees down. |
| June 2023 | Thunderstorm Wind | Brush | - | Intense straight-line winds snapped a large tree, 18 inches in diameter. |
| June 2023 | Hail | Brush | - | Large hail broke windows, damaged vehicles and shredded trees. |
| July 2022 | Tornado (EF1) | Brush | - | A tornado touched down and snapped a utility pole near the 24500 block of County Road R. |
| July 2022 | Tornado (EF0) | Brush | - | A tornado touched down briefly and caused minor damage. |
| July 2022 | Tornado (EF0) | Brush | - | A tornado touched down and caused minor wind damage at 25512 Road R. |
| May 2021 | Tornado (EF0) | Brush | - | A tornado touched down briefly in open country. No damage was observed. |
| August 2020 | Thunderstorm Wind | Brush | - | Intense winds uprooted a tree, approximately 18 inches in diameter. Several tree branches up to 6 inches in diameter were broken. |
| July 2018 | Tornado (EF2) | Brush | - | A tornado touched down and uprooted many trees, with debris striking vehicles. |
| July 2018 | Tornado (EF2) | Brush | - | A tornado touched down and destroyed Brush Municipal Airport. Small planes were flipped over and hangers were leveled. Major tree and roof damage was also observed. |
| June 2012 | Thunderstorm Wind | Brush | - | A severe thunderstorm toppled a 60-foot tall pine tree, 24 inches in diameter. In addition, a large tree, 12 inches in diameter, was blown on to a home. Another large cottonwood tree, fell on to a car. |
| July 2005 | Thunderstorm Wind | Brush | - | Damaging thunderstorm winds downed trees and power lines. |
| July 2005 | Lightning | Brush | - | Lightning struck a home, damaging the roof and upstairs bedroom. Electricity was blown throughout the house. |
| May 2003 | Tornado (F1) | Brush | - | A tornado touched down briefly causing tree and fence damage. |
| June 2003 | Flash Flood | Brush | - | Thunderstorms producing heavy rain caused flash flooding in the Brush area. Many streets in Brush were covered with up to 6 inches of standing water. Several homes and businesses in town were also flooded. |
| July 2001 | Tornado (F0) | Brush | - | A small tornado touched down but did no damage. |
| July 2001 | Flash Flood | Brush | - | The combination of heavy rain and hail caused flooding and flash flooding problems in the Brush and Fort Morgan areas. Several roads as well as the basments of home and businesses were flooded. |
| July 2001 | Tornado (F0) | Brush | - | A small tornado touched down but did no damage. |
| July 2001 | Flash Flood | Brush | - | Heavy rain caused flash flooding in the town of Brush. Several low lying areas were flooded as well as a few of the businesses in town. |
| July 2000 | Flood | Brush | - | Heavy rain and hail caused Beaver Creek to jump its banks. Extensive flooding was reported along the creek. |
| July 2000 | Tornado (F0) | Brush | - | A small tornado touched down briefly but did no damage. |
| July 2000 | Lightning | Brush | - | Dry lightning sparked a large grassfire near the Pawnee Power Plant. No damage to the plant was reported. |
| June 1995 | Thunderstorm Wind | Brush | - | Thunderstorm winds of unknown intensity blew down a portion of a building under construction. |
| August 2025 | Hail | Brush | - | no account filed |
| May 2025 | Thunderstorm Wind | Brush | - | no account filed |
| August 2024 | Thunderstorm Wind | Brush | - | no account filed |
| June 2023 | Hail | Brush | - | no account filed |
| June 2023 | Hail | Brush | - | no account filed |
| June 2023 | Hail | Brush | - | no account filed |
| June 2023 | Hail | Brush | - | no account filed |
| June 2023 | Hail | Brush | - | no account filed |
| July 2022 | Hail | Brush | - | no account filed |
| May 2021 | Hail | Brush | - | no account filed |
| May 2021 | Hail | Brush | - | no account filed |
| August 2020 | Hail | Brush | - | no account filed |
| May 2018 | Hail | Brush | - | no account filed |
| May 2015 | Hail | Brush | - | no account filed |
| August 2015 | Hail | Brush | - | no account filed |
| June 2014 | Hail | Brush | - | no account filed |
| August 2013 | Hail | Brush | - | no account filed |
| August 2013 | Hail | Brush | - | no account filed |
| May 2011 | Hail | Brush | - | no account filed |
| June 2010 | Hail | Brush | - | no account filed |