Nicollet storm history
Storm events recorded in Nicollet, Minnesota between 1950 and 2025.
446
Total events
29
Tornadoes
106
Hail
22
Floods
2
Deaths
$131.9M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
Tornado F4 Tornado
See narrative for Brown county.
The tornado began with a very narrow path and gradually expanded to a half mile wide multiple vortex tornado. One home in Nicollet lost much of its upper floor, and other homes suffered major damage, including some bring shifted off their foundation. The tornado continued east al…
Tornado made a direct hit on the city of St. Peter and Gustavius Adolphus College. All major buildings on campus suffered varying degrees of damage. The spire on Christ Chapel snapped in half. 70% of the windows on campus were broken. 500 homes were destroyed in St. Peter, 1,700 …
Several highways and county roads from North Mankato, northward along the Minnesota River to Le Sueur, Minnesota were impassable due to Spring flooding. Some of the major routes included 169, 22, and 93 and 99. There was one fatality on March 22 when a MNDOT worker tried to clear…
Roof torn off high school gymnasium resulting in water damage to floor. Garage walls blown down at pair of houses in northwestern part of town. High winds affected 100,000 to 115,000 acres across Nicollet county. 50,000 acres of crops severely damaged. Damage estimate for entire …
Blizzard Blizzard
The combination of falling snow and strong winds resulted in blizzard conditions throughout the county. Surface visibilities reported at nearby KULM in dropped to 1/4 mile or below for several hours, and winds gusted around 35 to 45 mph while snow was falling throughout much of t…
Winter Weather Winter Weather
The AWOS at New Ulm Municipal Airport reported two hours of light rain that froze on contact with the ground. CoCoRaHS observes in surrounding counties reported a light glaze of ice on flat surfaces.
Blizzard Blizzard
Light snow combined with strong 40 to 50 mph wind gusts caused blowing snow and whiteout conditions for multiple hours. The AWOS station located at New Ulm Municipal Airport record a wind gust of 49 mph.
Winter Weather Winter Weather
Light snow fell across the county during the afternoon and evening hours. Around one inch of snow was measured in New Ulm.
Winter Storm Winter Storm
Persistent light snow lasted for over 24 hours. Snowfall totals across the county were estimated around 5 to 8 inches. The highest report was 6.2 inches in North Mankato.
Winter Weather Winter Weather
A combination of snow and strong winds impacted the county Tuesday evening into Wednesday morning. Snowfall amounts around 1 to 2 inches were estimated across the county, and wind gusts around 35 to 45 mph were measured throughout the event at New Ulm Municipal Airport.
Tornado EF0 Tornado
Satellite and drone imagery confirmed a brief tornado in a cornfield southeast of Lafayette MN. It traveled east for 3.5 miles and damaged the roof of a hog barn and produced crop damage along its path. The tornado was rated EF0.
Tornado EF0 Tornado
A tornado touched down in a field and hit a farmstead, knocking down and breaking multiple trees across the property. The time was estimated from radar.
Hail Hail
Hail Hail
Heavy Rain Heavy Rain
Cocorahs station MN-NC-3 St. Peter 6WSW. 72 hour total of 5.00 inches.
Hail Hail
Quarter to golf ball sized hail.
Hail Hail
Quarter sized hail near the Kwik Trip in St Peter.
Tornado EFU Tornado
The location and track of this tornado is based on storm chaser video. It moved through fields and across a road without hitting any damage indicators.
Tornado EF0 Tornado
Approximate track of tornado, based on storm chaser video. The tornado knocked down small branches at a farmstead. Many storm chasers, spotters, and members of the public took photos and video of this tornado. It was highly visible from miles away.
Hail Hail
Hail Hail
Photo measurement provided via X.
Winter Weather Winter Weather
CoCoRaHS observers across the county measured 3 to 5 inches of snowfall. The highest snowfall total was 4.8 inches located 4 miles ENE of Renville.
Winter Weather Winter Weather
Several hours of light freezing rain resulted in accumulations around 0.1 to 0.2 inches of flat ice across the county. Additional snow accumulations around up to 2 inches fell on top of the ice resulted in hazardous travel conditions Saturday into Sunday.
Blizzard Blizzard
An estimated 3 to 6 inches of snow fell across the county with the greatest amounts across the southeast portion. Frequent gusts over 30 mph and heavy snowfall rates resulted in several hours of 3/4 mile visibility or less. These conditions resulted in many roads becoming impassa…
Cold/Wind Chill Cold/Wind Chill
The wind chill dropped to -32 at the Ag Weather Station in North Mankato.
Winter Storm Winter Storm
Five to eight inches of snowfall was measured across the county based off of interpolated snowfall analysis. The highest snowfall measured 7.8 inches one mile north of St. Peter, MN.
Winter Weather Winter Weather
A band of 2 to 3 inches fell across the western part of the county.
Thunderstorm Wind Thunderstorm Wind
County Dispatch reported trees down near the intersection of Co Rd 21 and 611th ave.
Thunderstorm Wind Thunderstorm Wind
County dispatch reported a power line down near the intersection of Webster Ave and Center St.
Funnel Cloud Funnel Cloud
Funnel cloud was reported via spotter network. Time was estimated from radar.
Heavy Rain Heavy Rain
A total of 3 to 6 inches of rain fell from multiple rounds of thunderstorms. CoCoRaHS observers measured 5.71 inches near North Mankato.
Winter Storm Winter Storm
Multiple bands of snow moved through and produced generally 4 to 6 inches of heavy wet snow and 35 mph wind gusts in the extreme northern portion of the county.
Winter Weather Winter Weather
CoCoRaHS observers measured three to five inches of snow that fell across the county.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Based on surrounding observations, wind chill values were -35 to -40 degrees.
Winter Weather Winter Weather
Based on surrounding observations, winds gusted over 30 mph, with blowing snow and reduced visibilities.
Excessive Heat Excessive Heat
Warm environmental temperatures in the mid 90s combined with high dewpoint values in the upper 70s caused high heat indices exceeding 105F for approximately four hours. The AWOS station in New Ulm, MN recorded an apparent temperature of 110F at 4:30 PM (CST). The AWOS Station loc…
Thunderstorm Wind Thunderstorm Wind
A tree was down on a highway.
Thunderstorm Wind Thunderstorm Wind
A strong line of thunderstorms progressed across Nicollet County where numerous trees downed and flattened corn along a extending line from Lafayette, MN to North Mankato, MN. Local broadcast media provided a photo of a large tree branch down in Spring Lake Park which had been br…
Thunderstorm Wind Thunderstorm Wind
Photo of large tree branches downed by strong thunderstorm winds in Spring Lake Park. Mankato Regional Airport reported a 50 mph wind gusts at 11:56 PM.
Hail Hail
Hail Hail
A CoCoRaHS measured golfball size hail.
Hail Hail
Winter Storm Winter Storm
This is a continuation of the winter storm that began on March 31. A wintry mix with a couple hours of very heavy snow and strong northwest winds produced hazardous driving conditions. Based on surrounding reports, radar, ASOS observations, and MNDOT road conditions, this event v…
Winter Storm Winter Storm
A wintry mix with a couple hours of very heavy snow and strong northwest winds produced hazardous driving conditions. Based on surrounding reports, radar, ASOS observations, and MNDOT road conditions, this event verified at 0300 CST on April 01, before the snow ended during the e…
Winter Weather Winter Weather
Precipitation started as rain and changed over to snow, with 1 to 3 inches of accumulation. Northwest winds increased as well with falling temperatures which led to blowing snow and icy roads.
Winter Storm Winter Storm
Multiple bands of snow moved across the county. Sustained winds increased out of the northeast near 20-25 mph with gusts near 30-35 mph per the Mankato Airport ASOS observations. Across the county, Interpolated Snowfall Analysis using the National Gridded Snowfall Analysis (NGSA)…
Blizzard Blizzard
Law Enforcement reported white out conditions in the Northwestern part of the county. Assistance was provided to numerous vehicles in roadside ditches in that area.
Winter Weather Winter Weather
A band of heavy snow lifted up from Iowa and produced 3 to 5 inches across the county. Most of the snow fell between midnight and 6 AM on the 19th.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 21 | 4 |
| 2024 | 10 | 0 |
| 2023 | 14 | 0 |
| 2022 | 9 | 0 |
| 2021 | 10 | 0 |
| 2020 | 17 | 1 |
| 2019 | 12 | 0 |
| 2018 | 9 | 0 |
| 2017 | 15 | 5 |
| 2016 | 18 | 0 |
| 2015 | 4 | 1 |
| 2014 | 16 | 0 |
| 2013 | 17 | 0 |
| 2012 | 7 | 0 |
| 2011 | 5 | 0 |
| 2010 | 20 | 1 |
| 2009 | 7 | 0 |
| 2008 | 10 | 0 |
| 2007 | 11 | 0 |
| 2006 | 6 | 1 |
| 2005 | 21 | 1 |
| 2004 | 13 | 0 |
| 2003 | 9 | 0 |
| 2002 | 10 | 1 |
| 2001 | 13 | 0 |
| 2000 | 10 | 0 |
| 1999 | 18 | 2 |
| 1998 | 24 | 3 |
| 1997 | 14 | 0 |
| 1996 | 26 | 0 |
| 1995 | 2 | 0 |
| 1994 | 4 | 1 |
| 1991 | 6 | 0 |
| 1990 | 2 | 0 |
| 1989 | 4 | 3 |
| 1987 | 1 | 0 |
| 1986 | 3 | 1 |
| 1985 | 2 | 0 |
| 1983 | 3 | 0 |
| 1982 | 1 | 0 |
| 1981 | 1 | 0 |
| 1979 | 1 | 1 |
| 1977 | 2 | 1 |
| 1974 | 4 | 1 |
| 1973 | 2 | 0 |
| 1972 | 1 | 0 |
| 1968 | 3 | 0 |
| 1965 | 1 | 0 |
| 1964 | 1 | 0 |
| 1963 | 2 | 0 |
| 1962 | 1 | 0 |
| 1960 | 1 | 0 |
| 1956 | 1 | 0 |
| 1952 | 1 | 1 |