| March 1998 | Tornado (F4) | Comfrey | 1 killed, 16 hurt, $45,000,000 | Tornado began 7 miles east of Avoca in Murray county, continued through Cottonwood, Brown, extreme Northwest Watonwan, Northwest Blue Earth, and finally lifted off 4 miles east of Courtland in Nicollet county. Total storm track was 67 miles. The tornado ripped through the village of Comfrey destroying a grain elevator and damaging 75% of the town. Much of downtown Comfrey destroyed including the town hall. School heavily damaged. 100 people made homeless. 50 homes destroyed. 130 farmsteads damaged or destroyed in Brown county. 500 dairy cows killed. One man critically injured in collapse of farmstead northwest of the town of Hanska. He died the next day. 35 buildings destroyed or damaged in far Northwest Blue Earth county. Damage estimate estimated. Property damage to extreme northwest Blue Earth county across Cambria township estimated at 2 million. Property damage to extreme northwest Watonwan county estimated at 245 thousand. |
| June 1952 | Tornado (F2) | not stated | 5 hurt, $2,500,000 | no account filed |
| August 2006 | Tornado (F0) | Searles | 2 hurt, $200,000 | The tornado tore across corn and bean fields, and crossed both Highways 15 and 68. It blew two semis off Highway 15, injuring two individuals. A machine shed was destroyed, and minor damage was incurred by some barns and outbuildings. |
| July 1990 | Thunderstorm Wind | not stated | 2 hurt | no account filed |
| July 1998 | Thunderstorm Wind | New Ulm | $7,000,000 | 4,000 trees blown down. 10 businesses lost portions of their roof. Mobile home destroyed. Maintenance hangar at airport destroyed, damaging several airplanes. 400 ft TV tower blown down. Poultry bldg levelled at fairgrounds. Reception hall lost its roof. Large trees blown down at local cemeteries. The statue of Hermann the German damaged. Estimated 5% of crops or about 50,000 acres in county destroyed. Damage estimate for entire county. |
| May 2012 | Thunderstorm Wind | New Ulm Arpt | $1,000,000 | A 75 mph wind gust was measured at the New Ulm airport. In addition, several buildings east and northeast of the airport were damaged, with damage to parts of the New Ulm Airport terminal building roof. The buildings that were damaged outside of the airport grounds were a car dealership where 50-60 cars were damaged or destroyed, an international trucking company, a cabinet machine shop and a local department store. Each of these companies had mainly roof damage. |
| June 2014 | Flood | New Ulm Arpt | $850,000 | Highway 13 that crosses the Minnesota River near New Ulm was closed due to flood waters. |
| May 2000 | Hail | New Ulm | $500,000 | More than 100 vehicles at a dealership sustained damage. |
| July 2018 | Flood | Springfield | $385,000 | The excessive rainfall across Redwood County continued to flow into Brown County, especially along the Cottonwood River. There were numerous county roads along this river that were impassable during the height of the flooding. Residents of an apartment complex in Springfield, Minnesota were evacuated because of flooding along the Cottonwood River. The same scenario occur in New Ulm, Minnesota where another apartment complex was evacuated. |
| June 2010 | Thunderstorm Wind | Essig | $300,000 | A barn, and two sheds west of New Ulm, Minnesota, were destroyed due to severe straight-line winds. |
| June 2008 | Tornado (EF1) | Leavenworth | $300,000 | Photographed by storm chaser. The tornado destroyed two barns, a farm shop, five pickup trucks, a semi-tractor, and a farm tractor. |
| June 1992 | Tornado (F1) | not stated | $250,000 | no account filed |
| June 1981 | Tornado (F2) | not stated | $250,000 | no account filed |
| March 2010 | Flood | New Ulm | $160,000 | Numerous county roads around New Ulm were closed due to flooding. Monetary costs were based on FEMA, State, and Local assistance which includes the following categories; emergency protective measures and road systems and bridges. |
| June 2014 | Thunderstorm Wind | New Ulm Arpt | $100,000 | A 40 by 60 feet pole barn was leveled near the intersection of Highway 29 and 12, or approximately 2 miles northwest of the New Ulm airport, which measured a wind gust of 56 mph around the same time. |
| June 2008 | Tornado (EF0) | Sleepy Eye | $100,000 | Photographed by storm chaser. The tornado destroyed a barn and an old shed. |
| June 2008 | Tornado (EF1) | Essig | $100,000 | Photographed by storm chaser. The tornado destroyed a grain bin along with a few sheds and outbuildings. A pole barn had its roof partially removed. |
| May 2022 | Thunderstorm Wind | New Ulm | $50,000 | Several trees and power lines blew down, some landed on homes and damaged their roofs around New Ulm. |
| June 2019 | Tornado (EF0) | Leavenworth | $50,000 | This tornado mostly moved across open fields, but it did strike one farmstead. About one dozen trees were broken and minor structural damage occurred to several outbuildings. |
| June 2016 | Thunderstorm Wind | Springfield | $50,000 | Numerous trees were blown down north of Springfield, along with a turkey barn that was damaged. |
| July 2002 | Thunderstorm Wind | New Ulm | $40,000 | Numerous trees down, including one on a car. Barn and shed also downed. |
| July 1997 | Lightning | Springfield | $40,000 | Lightning strike destroyed a storage shed. |
| June 2019 | Hail | Hanska | $30,000 | A fire department spotter reported hail as large as two inches fell for around 15 minutes at Lake Hanska County Park. Nearby, Prairie Grounds Campground was also hit, with one camper totaled and another camper had hail punch holes through its plastic roof vents. A pontoon was also significantly damaged. Some crops in the area were destroyed. |
| May 2018 | Thunderstorm Wind | Godahl | $30,000 | Severe down burst winds caused approximately 30 power poles to be sheared off on the east side of near County Road 115 and 6, southwest of Hanska, Minnesota. It also blew a small boat and car trailer off the road. |
| June 1983 | Tornado (F0) | not stated | $25,000 | no account filed |
| July 1971 | Tornado (F0) | not stated | $25,000 | no account filed |
| June 1965 | Tornado (F1) | not stated | $25,000 | no account filed |
| July 2002 | Thunderstorm Wind | Springfield | $20,000 | Numerous trees down, including some on vehicles and garages. Corn flattened. |
| June 1997 | Lightning | Sleepy Eye | $15,000 | Significant damage to farmhouse. |
| June 2016 | Thunderstorm Wind | Leavenworth | $10,000 | A local TV station forwarded wind damage near Leavenworth where a shed's roof was blown off and some minor tree damage . |
| August 2016 | Thunderstorm Wind | Springfield | $10,000 | Two train box cars were blown off a track near Springfield. |
| June 2010 | Thunderstorm Wind | New Ulm | $10,000 | A street light pole was bent over due to severe straight line winds. |
| September 2021 | Thunderstorm Wind | Hanska | $5,000 | An outbuilding was blown down near Hanska. A couple wind sensors near the area had a peak wind gust of 45 mph near Hanska, and 53 mph near Madelia. |
| June 2016 | Thunderstorm Wind | Springfield | $5,000 | Several trees were blown down in Springfield, one landed on a garage and damaged it. |
| June 2016 | Thunderstorm Wind | New Ulm Arpt | $5,000 | A garage was damaged outside of New Ulm. |
| July 1995 | Tornado (F1) | Haska | $5,000 | Garage and three sheds destroyed. House shifted off foundation. |
| May 2022 | Thunderstorm Wind | Hanska | $3,000 | A roof was torn off a farm outbuilding near Hanska. |
| July 1965 | Tornado (F0) | not stated | $2,500 | no account filed |
| September 2021 | Thunderstorm Wind | New Ulm | $1,000 | A large tree was blown down in the city of New Ulm. The regional airport reported a wind gust of 61 mph as the storms moved through the city. |
| June 1994 | Hail | Madelia | $500 | Several funnel clouds spoted south of Sleepy Eye. |
| June 1994 | Hail | New Ulm | $500 | no account filed |
| June 1994 | Hail | New Ulm | $500 | no account filed |
| July 1994 | Hail | New Ulm | $500 | no account filed |
| April 2026 | Hail | New Ulm Arpt | - | Photo measurement provided via NWS Chat. |
| May 2025 | Funnel Cloud | Sleepy Eye | - | Multiple trained spotters provided photos of funnel cloud 5 miles SE of Sleepy Eye, MN. |
| June 2025 | Thunderstorm Wind | Evan | - | Tin roofing removed from a shed. |
| June 2025 | Thunderstorm Wind | Sleepy Eye | - | Large tree branch down in Sleepy Eye MN. |
| June 2025 | Thunderstorm Wind | New Ulm | - | Thunderstorm winds estimated at 60 mph snapped several large trees snapped at their base in German Park, downed a dead, 2 foot diameter tree along 5th North Street, and downed several trees near the New Ulm Medical Center. |
| June 2025 | Thunderstorm Wind | New Ulm Arpt | - | Thunderstorm wind gust of 58 mph measured at AWOS station KULM New Ulm AP. |
| July 2025 | Thunderstorm Wind | Godahl | - | Thunderstorm wind gust estimated at 70 mph blew over 6 trees on a wind break at a farm on 220th Ave. |
| July 2025 | Thunderstorm Wind | Leavenworth | - | Several large tree branches snapped at a home west of Leavenworth. |
| August 2025 | Heavy Rain | Evan | - | Cocorahs station MN-BW-22 Sleepy Eye 7.7 NNW. 72 hour storm total of 5.69 inches. |
| August 2024 | Thunderstorm Wind | New Ulm | - | Multiple downed trees blocked roads throughout New Ulm. |
| August 2024 | Tornado (EFU) | Essig | - | A storm chaser took video of a tornado and a nearby resident confirmed its specific location. The tornado moved across open fields before dissipating. |
| August 2024 | Hail | Essig | - | Delayed report of picture from via social media, time estimated from radar. |
| August 2024 | Hail | Essig | - | Delayed report, time estimated from radar. |
| June 2024 | Heavy Rain | Hanska | - | A total of 3 to 4 inches of rain fell from multiple rounds of thunderstorms. CoCoRaHS observers measured 3.81 inches near Hanska. |
| June 2024 | Heavy Rain | New Ulm | - | The storm total was 2.5 inches of rainfall. |
| October 2023 | Hail | Sleepy Eye | - | Reports of golf ball to tennis ball size hail damaged windshields 3 miles west of Sleepy Eye, MN. |
| October 2023 | Hail | Leavenworth | - | Golf ball to tennis ball sized hail caused damage to house and vehicle 1 mile northwest of Leavenworth, MN. |
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