| August 2001 | Thunderstorm Wind | Grand Forks | 12 hurt, $18,000,000 | The NWS Davis system measured a 101 mph wind gust. The strong wind resulted in many trees being blown down and a citywide state of emergency. Trees fell on vehicles, fences, and homes. The wind blew over traffic lights, signs, fences, and street lights. Over 50 streets in town were impassable as an estimated 3000 or more trees were flattened. 11,000 customers lost power with hundreds of power poles damaged. A 32 unit apartment building lost its roof and many homes had shingle damage. One home under construction was demolished and a semi truck was blown over. The city had to restrict water use because of the power loss. The University of North Dakota cancelled classes on the 9th. |
| May 2001 | Hail | Grand Forks | 1 hurt, $10,000,000 | A male was hit in the head by a hailstone and required four stitches. Many homes and cars were damaged by the large hail, especially south of 32nd avenue south. |
| September 2003 | Lightning | Grand Forks | 1 hurt | A woman leaving work was struck by lightning as she walked to her car. She suffered no visible injuries, but was taken to the emergency room for observation. She later reported seizure-like muscle twitches. |
| July 1996 | Hail | Grand Forks | $10,000,000 | no account filed |
| April 2023 | Flood | Grand Forks | $1,000,000 | East Grand Forks - Crest of 40.83 ft occurred on 4/24. Flooding extended into May.|NOTE: Damages dollar amount is for the entire county. Not separated by specific river basin or damage type. |
| July 2001 | Flash Flood | Grand Forks | $250,000 | Three inches of rain in nearly a half hour caused problems for portions of the city of Grand Forks. Widespread flooding was reported, with 2 to 4 feet of water on some city streets. Numerous vehicles were stalled in the high water. The Old Englestad Arena took on 4 1/2 feet of water and 20 other UND buildings reported some water damage. Water seepage occurred in several basements. |
| August 2001 | Thunderstorm Wind | Grand Forks | $150,000 | A double circuit transmission line and 15 poles were damaged by the wind. |
| June 1998 | Flash Flood | Grand Forks | $150,000 | 1 to 3 inches of rain fell in less than two hours, quickly flooding low-lying areas around Grand Forks. Water was reported to be up to the bumpers of cars on some streets. Several streets and underpasses were closed due to high water. On the western edge of Grand Forks on US Highway 2, water flowed over the highway for about an hour. |
| May 1996 | Flash Flood | Grand Forks | $100,000 | no account filed |
| April 2022 | Flash Flood | Grand Forks | $50,000 | Streets flooded to more than a foot deep at several intersections. |
| July 1996 | Thunderstorm Wind | Grand Forks | $25,000 | no account filed |
| July 2008 | Lightning | Grand Forks | $20,000 | Several lightning strikes were reported in the Grand Forks area, producing roofing and electrical system damage to homes. |
| July 2001 | Flash Flood | Grand Forks | $20,000 | Street flooding was reported in Grand Forks with a few stalled vehicles. Sewer backup occurred in the basement of one house. Underground parking lots were flooded. |
| June 2000 | Thunderstorm Wind | Grand Forks | $20,000 | High winds tore the roof off a metal building. The roof fell and damaged several parked cars and another building. |
| June 1999 | Flood | Grand Forks | $20,000 | A thunderstorm complex converged over the greater Grand Forks area, producing 1 to 3 inches of rain in about an hour. 1.65 inches of rain fell at the NWS on the west side of Grand Forks. Several streets were flooded and closed to traffic. The heavy rain and poor visibility may have contributed to a motorhome crash on Interstate 29, 2 miles south of Grand Forks. The driver and 5 passengers were taken to a hospital for treatment. |
| June 2002 | Thunderstorm Wind | Grand Forks | $10,000 | A 73 mph wind gust was measured by a Davis system on the south end of Grand Forks. Many trees were blown down and the temperature rose to 98 degrees at the same time. |
| July 1997 | Thunderstorm Wind | Grand Forks | $10,000 | Strong wind blew down 12 trees, ripped apart a garage roof, and damaged a truck. A survey of the damage pattern indicated a gustnado may have formed along the thunderstorm downburst. |
| June 1999 | Thunderstorm Wind | Grand Forks | $10,000 | no account filed |
| August 2016 | Flash Flood | Grand Forks | $5,000 | Portions of University avenue, DeMers avenue, Washington Street, and 42nd street were flooded by heavy rain. The Washington underpass was also flooded and closed to traffic. |
| June 2009 | Lightning | Grand Forks | $5,000 | Lightning struck a tree in south Grand Forks, which ignited an underground natural gain main. Flames up to ten feet high erupted out of the ground, until the gas line could be shut off. |
| August 2002 | Thunderstorm Wind | Grand Forks | $2,000 | Large branches were blown down with scattered power outages. |
| August 2024 | Flash Flood | Grand Forks | $1,000 | English Coulee running through UND campus out of its banks, rising to height of the pedestrian bridge and almost reaching the basement of pink house on Princeton Street. |
| May 2001 | Thunderstorm Wind | Grand Forks | $1,000 | Numerous large branches were blown off trees. |
| July 2001 | Thunderstorm Wind | Grand Forks | $1,000 | Several large trees were blown down in south Grand Forks. |
| July 2001 | Thunderstorm Wind | Grand Forks | $1,000 | Trees were blown down. |
| June 1998 | Thunderstorm Wind | Grand Forks | $200 | A tree was blown down in the wind. |
| July 2025 | Hail | Grand Forks | - | Received a report of 1 inch hail from an FAA Weather Observer, relayed by Broadcast Media. |
| July 2025 | Thunderstorm Wind | Grand Forks | - | Twelve inch diameter tree blow down on roof of house. |
| July 2025 | Thunderstorm Wind | Grand Forks | - | Photo of large tree branches snapped via social media. Time estimated via radar. |
| July 2025 | Thunderstorm Wind | Grand Forks | - | Tree branches snapped. 59 mph wind measured on home station. Trampoline thrown 150 yards. |
| July 2025 | Flash Flood | Grand Forks | - | Minor street flooding in Grand Forks, ND. |
| August 2025 | Tornado (EF1) | Grand Forks | - | A tornado produced intermittent EF-0 and EF-1 damage in Grand Forks, ND and East Grand Forks, MN. It initially touched down near the intersection of 38th St. and 32nd Ave where it bent a light pole from the top of the intersection stop lights. It tracked to the northeast just south of Altru Hospital along 17th Ave S., past Lewis and Clark elementary School, and then crossed the Red River of the North at Lincoln Drive Park into Minnesota. It lifted over the southern part of East Grand Forks, MN around the Red Lake River near Folsom Park. Most of the damage was to trees along the path. Maximum rating is EF-1 in Grand Forks County, with wind speed at 100 mph based on snapped hardwood tree damage in Grand Forks, ND. |
| May 2024 | Thunderstorm Wind | Grand Forks | - | Davis Weather Sensor at NWS Grand Forks reports 66 MPH at 0123z. |
| May 2023 | Flood | Grand Forks | - | East Grand Forks - Crest of 40.83 ft occurred on 4/24. Flooding began in April. (Crest noted in April Storm Data). |
| July 2023 | Thunderstorm Wind | Grand Forks | - | Public reports wind damage relating to a thunderstorm. Healthy tree branches greater than 6 inches and some shingles blown off the roof. Time estimated by radar. |
| June 2022 | Hail | Grand Forks | - | Dime to quarter sized hail for about 5 minutes, through about 335 pm CDT. Reports and photos were relayed via social media. |
| June 2021 | Thunderstorm Wind | Grand Forks | - | Large branches and a few trees were blown down around various parts of town. Timing is based on nearby wind sensor reports. |
| June 2021 | Thunderstorm Wind | Grand Forks | - | Downed trees and power lines were reported in town. Additionally, a trampoline took out 4 mailboxes. |
| August 2021 | Hail | Grand Forks | - | A public report of hail was relayed via social media. |
| August 2021 | Thunderstorm Wind | Grand Forks | - | Peak wind was measured by the UND Clifford Hall Anemometer. |
| August 2021 | Thunderstorm Wind | Grand Forks | - | Numerous large branches and limbs down along Belmont Rd, south of 27th. |
| August 2020 | Hail | Grand Forks | - | The hail fell on the south end of Grand Forks. |
| July 2020 | Thunderstorm Wind | Grand Forks | - | Large tree branches were blown down. |
| July 2020 | Thunderstorm Wind | Grand Forks | - | A light pole was blown down along south 48th street, at 32nd avenue. |
| July 2020 | Hail | Grand Forks | - | Pea to nickel sized hail fell across south Grand Forks. |
| July 2020 | Thunderstorm Wind | Grand Forks | - | A light pole and several large branches were blown down near the post office. |
| September 2020 | Thunderstorm Wind | Grand Forks | - | Tree branches were blown down on the south side of Grand Forks. |
| September 2020 | Thunderstorm Wind | Grand Forks | - | The wind gust was measured by a ND DOT RWIS mesonet sensor along Interstate 29. |
| September 2020 | Thunderstorm Wind | Grand Forks | - | A large tree was snapped in half near Riverside Park. |
| June 2020 | Thunderstorm Wind | Grand Forks | - | Large tree branches and power lines were blown down on Walnut Street. |
| July 2019 | Thunderstorm Wind | Grand Forks | - | Large tree branches were blown down. |
| July 2019 | Thunderstorm Wind | Grand Forks | - | A large tree was blown down. |
| June 2019 | Thunderstorm Wind | Grand Forks | - | Several large tree limbs were blown down causing sporadic power outages. A nearby NDDOT mesonet sensor reported a 51 mph wind gust. |
| July 2018 | Thunderstorm Wind | Grand Forks | - | A tree was blown down onto Washington Street, near Gateway Drive. |
| July 2018 | Thunderstorm Wind | Grand Forks | - | A street pole light was bent down to the ground. Numerous large tree branches were also blown down. |
| July 2018 | Thunderstorm Wind | Grand Forks | - | Large branches were blown down in Riverside Park. |
| August 2018 | Hail | Grand Forks | - | Dime to nickel sized hail fell just south of Grand Forks. |
| June 2018 | Thunderstorm Wind | Grand Forks | - | A large tree was blown down. |
| June 2018 | Thunderstorm Wind | Grand Forks | - | Tree damage was reported in south Grand Forks. |
| June 2018 | Thunderstorm Wind | Grand Forks | - | A portion of a fence was blown down in south Grand Forks. |