| June 1998 | Flash Flood | Cannon Falls | 2 killed, $1,500,000 | Slow moving thunderstorms dumped 4 to 6 inches of rain in threes hours over portions of Goodhue county. Zumbrota received 6.46", Sogn 4.38", Wanamingo 5.49". Flash flooding resulted in many road closures. The Shades of Sherwood Campground was evacuated where some campers were washed into the Zumbro River. Several people were rescued when they were carried into the river along with their camper. Over 100 campers were destroyed. Two deaths occurred along the Zumbro River between Wanamingo and Zumbrota. An elderly couple evacuating the campground drove into a washed out section of road, or the road gave way under the weight of their vehicle. It is presumed the couple escaped from their vehicle only to drown in the river. 400 residents of Cannon Falls were evacuated. Flooding also occurred upstream in Sogn where several homes received major flood damage. Damage estimate for entire county. |
| May 1998 | Thunderstorm Wind | Cannon Falls | 1 hurt | Mobile home destroyed injuring one person. Estimated windspeed. |
| May 2017 | Hail | Cannon Falls | $250,000 | Several reports of very large hail, up to 2.5 inches in diameter, fell from west of Dennison, to near Cannon Falls. There were reports of hail damage to siding, cars and roofs in this swath of large hail. |
| May 2001 | Thunderstorm Wind | Cannon Falls | $200,000 | Several hundred trees downed from rear flank downdraft after the Northfield tornado had dissipated. Sheds and other outbuildings damaged. |
| August 2020 | Thunderstorm Wind | Cannon Falls | $100,000 | There were multiple trees and power lines blown down from southwest of Cannon Falls, through Cannon Falls, and to the east of town. There were 3-4 houses that had roof damage, one of the houses had their entire roof blown off on Pine Street. One privately owned wind sensor between Cannon Falls and Red Wing had a report of 88 mph, but damage was too isolated for that type of wind severity. |
| September 2018 | Tornado (EF0) | Cannon Falls | $15,000 | This is the continued tornado track from the Dakota County tornado that moved an additional 0.7 miles east into Goodhue County. A storm survey concluded that EF0 damage occurred to a warehouse building in northern Goodhue County. |
| June 2004 | Thunderstorm Wind | Cannon Falls | $10,000 | Several trees were downed. The roof was ripped off a building in an industrial park north of the city. |
| April 2026 | Hail | Cannon Falls | - | Hail measurement provided via NWS Chat. |
| July 2025 | Thunderstorm Wind | Cannon Falls | - | Trees down across Goodhue County, including the town of Cannon Falls. A MNDOT RWIS station located seven miles SSE of Cannon Falls measured a 58-mph wind gust. |
| June 2021 | Hail | Cannon Falls | - | Social media had a picture of 2 inch diameter hail south of Cannon Falls. |
| June 2020 | Heavy Rain | Cannon Falls | - | There was a 12 hour rainfall report near Cannon Falls of 5.28 inches. |
| June 2020 | Heavy Rain | Cannon Falls | - | There was a 12 hour rainfall report south of Cannon Falls of 5.54 inches. |
| August 2019 | Thunderstorm Wind | Cannon Falls | - | A large tree limb was snapped, and a 15 foot trailer was blown over in Cannon Falls. |
| August 2019 | Hail | Cannon Falls | - | The hail lasted for 15 minutes, but the largest hail stone was ping pong size. |
| May 2018 | Thunderstorm Wind | Cannon Falls | - | A tree was blown down in Cannon Falls. |
| September 2018 | Tornado (EF1) | Cannon Falls | - | A NWS storm survey, plus drone footage, concluded that an EF1 tornado tracked 1.9 miles which started 3 miles south of Cannon Falls, crossed over Highway 52, and lifted just south of downtown Cannon Falls. This tornado damaged a warehouse building, numerous large trees, homes, and a cemetery. The damage was consistent with EF1 damage with maximum wind speeds of 95 mph and a width of 440 yards. There was other damage to the north of the tornado track which was consistent with downburst winds. |
| September 2018 | Thunderstorm Wind | Cannon Falls | - | A NWS storm survey concluded that sporadic downburst and inflow wind damage occurred to trees and power lines from just west of downtown Cannon Falls, to approximately 4 miles east of Cannon Falls. There was no definite path of damage but more random uprooted trees and power lines. The damage is consistent with wind gusts of 70 mph. |
| September 2018 | Thunderstorm Wind | Cannon Falls | - | A NWS storm survey concluded that downburst winds caused damage to several large trees, and flattened a corn field. |
| March 2017 | Thunderstorm Wind | Cannon Falls | - | A few trees were blown down across the road east of Cannon Falls. |
| August 2014 | Heavy Rain | Cannon Falls | - | A measured rainfall report of 2.91 inches fell southwest of Cannon Falls in the last 24 hours. |
| June 2012 | Heavy Rain | Cannon Falls | - | A measured rainfall report of 8.83 inches occurred in less than 9 hours. |
| June 2012 | Flash Flood | Cannon Falls | - | Emergency crews had to evacuate between 30 and 50 homes in Cannon Falls, due to rising waters near the Cannon River and Little Cannon River. The bridge in the main part of town had also been closed because of flooding. |
| June 2012 | Flash Flood | Cannon Falls | - | Flooding was observed on Highway 52 near Cannon Falls, with some flooding reports on County Road 1, 14 and 18. |
| June 2012 | Heavy Rain | Cannon Falls | - | An observer measured 3.31 inches of rainfall in the last 24 hours. |
| September 2010 | Heavy Rain | Cannon Falls | - | A cooperative observer measured 4.85 inches of rainfall in 4.5 hours. |
| July 2006 | Thunderstorm Wind | Cannon Falls | - | Portion of large tree toppled onto garage of home in the 1100 block of North 1st Street. Reported by Cannon Falls Beacon newspaper. |
| June 2005 | Thunderstorm Wind | Cannon Falls | - | A tree was downed. |
| June 2005 | Hail | Cannon Falls | - | Walnut sized hail fell for 10 minutes in Leon Township, Section 8. |
| June 2004 | Thunderstorm Wind | Cannon Falls | - | A MNDOT automated wind sensor recorded a gust of 62 MPH. |
| July 2002 | Hail | Cannon Falls | - | One mile wide swath of hail. Crops damaged. |
| July 1999 | Thunderstorm Wind | Cannon Falls | - | Numerous 8 inch diameter branches down. Estimated windspeed. |
| June 1998 | Tornado (F0) | Cannon Falls | - | Remained near Lake Byllesby. |
| June 1998 | Thunderstorm Wind | Cannon Falls | - | 150 trees blown down. Roof ripped off house. Estimated windspeed. |
| May 1998 | Thunderstorm Wind | Cannon Falls | - | Trees blown down. Estimated windspeed. |
| July 1997 | Thunderstorm Wind | Cannon Falls | - | Trees blown down. Estimated windspeed. |
| June 1997 | Thunderstorm Wind | Cannon Falls | - | Large tree branches blown down. Estimated windspeed. |
| April 2026 | Hail | Cannon Falls | - | no account filed |
| June 2021 | Hail | Cannon Falls | - | no account filed |
| June 2021 | Hail | Cannon Falls | - | no account filed |
| July 2009 | Hail | Cannon Falls | - | no account filed |
| May 2008 | Hail | Cannon Falls | - | no account filed |
| August 2007 | Hail | Cannon Falls | - | no account filed |
| April 2004 | Hail | Cannon Falls | - | no account filed |
| October 2004 | Hail | Cannon Falls | - | no account filed |
| August 1996 | Hail | Cannon Falls | - | no account filed |