| October 1998 | Hail | Okmulgee | $600,000 | Very large golfball to baseball-sized hail caused extensive damage throughout the city of Okmulgee. The combination of very large hail and strong thunderstorm winds knocked out numerous windows. Several hundred homes and business sustained roof damage. The Okmulgee Times daily newspaper quoted the police chief as saying that the hailstorm "knocked out about half the windows in town." Windows were knocked out of many cars in the Wal-Mart parking lot, and many city vehicles had their windows knocked out. Two buildings at OSU-Okmulgee were extensively damaged. Other buildings on the campus had broken windows, while the campus greenhouse was nearly destroyed by the large hail and wind. The Okmulgee School District alone had about $300,000 in damage. The middle school suffered extensive roof damage and damage to the floor. The Board building suffered extensive glass breakage and roof damage. Fifteen buses received damage, and the steel roof at Eastside was damaged. Westside and Banneker each sustained roof damage, and the high school had minor roof damage to its new building. |
| August 2007 | Flash Flood | Okmulgee | $400,000 | Very heavy rainfall caused severe flooding of roads in and around Okmulgee. Highway 75 was closed in places for several hours. Rural roads were also flooded. In addition, 20 to 30 homes sustained flood damage as well as several businesses. County officials received 200 calls for assistance from stranded motorists and from people isolated by high water in their homes. |
| May 2010 | Tornado (EF2) | Okmulgee | $200,000 | A tornado severely damaged two homes. It also snapped or uprooted numerous trees, destroyed barns, damaged several other homes, and blew down power poles. The estimated peak wind in the tornado based on this damage was 120 mph. |
| June 2018 | Thunderstorm Wind | Okmulgee | $100,000 | A line of severe thunderstorms produced damaging wind across much of the City of Okmulgee. Numerous trees were uprooted, homes were damaged, storage buildings were destroyed, and businesses were damaged. |
| April 2022 | Hail | Okmulgee | $75,000 | Hen egg size hail damaged homes, businesses, and vehicles. |
| April 2022 | Hail | Okmulgee | $75,000 | Hen egg size hail damaged homes, businesses, and vehicles. |
| April 2022 | Hail | Okmulgee | $50,000 | Golf ball size hail damaged homes, businesses, and vehicles. |
| May 2019 | Hail | Okmulgee | $50,000 | no account filed |
| May 2019 | Hail | Okmulgee | $30,000 | no account filed |
| March 1997 | Thunderstorm Wind | Okmulgee | $30,000 | no account filed |
| May 2015 | Flash Flood | Okmulgee | $25,000 | Several county roads, as well as Highway 75 and Highway 75A, were flooded. Bridges were washed out and vehicles were stranded in the flood water. |
| June 2004 | Thunderstorm Wind | Okmulgee | $25,000 | Thunderstorm winds estimated at 80 miles an hour blew windows out of a few buildings downtown. Shingles were blow off the roofs of some homes and numerous trees and power lines were blown down. |
| September 2023 | Flash Flood | Okmulgee | $20,000 | Several roads were flooded and closed in and around town. Several vehicles were stranded in the flood water. |
| September 2023 | Flash Flood | Okmulgee | $20,000 | Portions of numerous roads and underpasses were flooded in and around Okmulgee. Several high water rescues were conducted in the flooding. |
| May 1999 | Thunderstorm Wind | Okmulgee | $20,000 | A wind gust estimated at 70 miles an hour damaged a race car south of Okmulgee. |
| October 1998 | Thunderstorm Wind | Okmulgee | $20,000 | Strong winds blew a power line onto a trash truck, trapping a city worker. The worker was not injured. When the strong winds were combined with baseball-sized hail, there was extensive damage throughout the city of Okmulgee. See the separate preceding Hail entry for more details. |
| August 2005 | Thunderstorm Wind | Okmulgee | $15,000 | Thunderstorm winds estimated at 80 miles an hour damaged several homes. |
| April 2000 | Thunderstorm Wind | Okmulgee | $10,000 | Thunderstorm winds destroyed a barn. |
| July 1997 | Flash Flood | Okmulgee | $5,000 | no account filed |
| November 1999 | Thunderstorm Wind | Okmulgee | $3,000 | Trees and power lines were blown over in Okmulgee. |
| August 2005 | Thunderstorm Wind | Okmulgee | $1,000 | Thunderstorm winds estimated at 60 miles an hour blew down large tree limbs and power lines. |
| May 1999 | Thunderstorm Wind | Okmulgee | $1,000 | Tree limbs were blown down across power lines. |
| February 2001 | Thunderstorm Wind | Okmulgee | $500 | Thunderstorm winds blew several mature trees down onto a road near Okmulgee State Park. |
| May 1997 | Thunderstorm Wind | Okmulgee | $100 | no account filed |
| May 2025 | Thunderstorm Wind | Okmulgee | - | Strong thunderstorm wind blew down multiple trees on Sharp Road. |
| May 2024 | Flash Flood | Okmulgee | - | Flooding was reported at W 20th Street and S Dogwood Avenue. |
| May 2024 | Thunderstorm Wind | Okmulgee | - | A storm chaser estimated thunderstorm wind gusts to near 60 mph. |
| April 2024 | Thunderstorm Wind | Okmulgee | - | Strong thunderstorm wind snapped large tree limbs. |
| September 2023 | Thunderstorm Wind | Okmulgee | - | Strong thunderstorm wind snapped numerous large tree limbs. |
| May 2022 | Flash Flood | Okmulgee | - | Emergency management reported widespread flooding in Okmulgee. About 35 homes were damaged from flooding, and 50 swift water rescues were made for people trapped in flooded homes and vehicles. Monetary damage from the flood was unknown. |
| May 2022 | Thunderstorm Wind | Okmulgee | - | Strong thunderstorm wind blew down a tree onto Highway 56. |
| June 2021 | Flash Flood | Okmulgee | - | Portions of several roads were flooded in and around town, including Highway 75 near 13th Street. |
| May 2021 | Flash Flood | Okmulgee | - | Numerous roads were flooded in and around Okmulgee. |
| May 2020 | Flash Flood | Okmulgee | - | Roads were flooded in and around Okmulgee. |
| May 2019 | Flash Flood | Okmulgee | - | A number of roads were flooded and closed in and around town. |
| October 2019 | Hail | Okmulgee | - | Hail up to the size of nickels covered the ground. |
| May 2017 | Flash Flood | Okmulgee | - | Several roads in and around town were flooded and closed. |
| May 2017 | Flash Flood | Okmulgee | - | Portions of numerous roads were flooded and closed across town. |
| August 2017 | Thunderstorm Wind | Okmulgee | - | Strong thunderstorm wind snapped large tree limbs. |
| May 2016 | Flash Flood | Okmulgee | - | Portions of Highway 75 were flooded south of town. |
| November 2015 | Flood | Okmulgee | - | Several streets in Okmulgee were flooded and closed. |
| November 2015 | Flood | Okmulgee | - | Flooding in town resulted in water rescues of people stranded in the high water. |
| May 2015 | Flash Flood | Okmulgee | - | Several roads were flooded and closed. |
| October 2009 | Flash Flood | Okmulgee | - | Numerous roads were flooded and closed due to high water. |
| March 2008 | Flash Flood | Okmulgee | - | Heavy rain caused several rural roads in the southwest part of Okmulgee County to be flooded. |
| July 2006 | Thunderstorm Wind | Okmulgee | - | Thunderstorm winds blew down large tree limbs at Okmulgee State Park. |
| June 2005 | Thunderstorm Wind | Okmulgee | - | Thunderstorm winds estimated at 60 miles an hour blew down large tree limbs. The falling tree limbs caused power outages. |
| August 2003 | Thunderstorm Wind | Okmulgee | - | Thunderstorm winds estimated at 70 miles an hour blew several trees down. |
| May 2002 | Thunderstorm Wind | Okmulgee | - | Thunderstorm winds estimated at 60 miles an hour blew down large tree limbs. |
| March 1999 | Flood | Okmulgee | - | Heavy rains put several city streets under one or two feet of water. |
| May 1998 | Hail | Okmulgee | - | Thunderstorm wind gusts up to 55 mph also reported |
| October 1994 | Hail | Okmulgee | - | Severe thunderstorms redeveloped in northeast Oklahoma during the late morning and early afternoon of October 7th and produced large hail. Quarter-size hail fell 4 miles south southwest of Bristow, nickel-size hail fell 8 miles south of Bristow, and dime-size hail fell at Boley and 10 miles west of Okmulgee. |
| December 1994 | Hail | Okmulgee | - | A severe thunderstorm produced golfball size hail in Okmulgee. |
| June 2023 | Hail | Okmulgee | - | no account filed |
| April 2022 | Hail | Okmulgee | - | no account filed |
| May 2022 | Hail | Okmulgee | - | no account filed |
| April 2020 | Hail | Okmulgee | - | no account filed |
| March 2019 | Hail | Okmulgee | - | no account filed |
| May 2019 | Hail | Okmulgee | - | no account filed |
| May 2017 | Hail | Okmulgee | - | no account filed |