TornadoLookup

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Lyon County, Minnesota

Tornadoes, hail, floods and severe storms recorded here between 1955 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.

29
Tornado reports
255
Hail reports
64
Floods since 1996
853
All events
11
Deaths
$10.1M
Property damage

Tornado paths in Lyon County

The part of each tornado’s path NOAA recorded in this county, 28 in all. Zoom in and the paths widen to their surveyed width.

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Year by year

19552026
Hover or tap a bar to see that year.
All storm eventsTornadoes

NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.

Most significant events

The strongest tornadoes, deadliest events and biggest damage here, up to 50.

June 13, 1968 · Lyon, Minnesota
Tornado F5 Tornado9 deaths, 150 injuries, $2.5M damage
July 7, 1955 · Lyon, Minnesota
Tornado F4 Tornado1 death, 13 injuries, $2.5M damage
June 16, 1992 · Lyon, Minnesota
Tornado F3 Tornado
December 24, 2016 · Lyon, Minnesota
Winter Weather Winter Weather1 death, 3 injuries
Freezing drizzle and freezing rain caused icy surfaces, resulting in a few vehicle accidents. One of the accidents, on Highway 23 about 11 p.m., was fatal.
June 29, 2026 · Lyon, Minnesota
Excessive Heat Excessive Heat
Dangerous heat index readings reached afternoon peaks as high as 108 degrees at Marshall and 106 degrees at Tracy.
June 15, 2026 · Lyon, Minnesota
Hail Hail
Most hail was around one-half inch size, but some was as large as nickels and quarters.
May 17, 2026 · Lyon, Minnesota
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts measured by the Minnesota Road Weather Information System site near Florence.
May 14, 2026 · Lyon, Minnesota
High Wind High Wind
Sustained winds briefly reached 40 mph, with gusts as high as 58 mph at a Minnesota Department of Transportation site near Florence.
March 28, 2026 · Lyon, Minnesota
High Wind High Wind
Sustained winds were between 40 and 46 mph at times, with gusts as high as 63 mph at a Minnesota Department of Transportation site near Florence.
March 15, 2026 · Lyon, Minnesota
Blizzard Blizzard
Northerly winds gusted as high as 64 mph near Florence, 53 mph at Marshall, and 52 mph at Taunton. During and after a period of heavy snowfall which totaled 8.0 inches at Marshall, 7.7 inches 5 miles south of Cottonwood and Tracy, and 7.1 inches at Minneota, visibility was reduce…
March 15, 2026 · Lyon, Minnesota
High Wind High Wind
A Minnesota Road Weather Information System site near Florence had frequent sustained winds from 40 to 49 mph with gusts as high as 64 mph.
March 12, 2026 · Lyon, Minnesota
High Wind High Wind
Sustained winds were between 40 and 56 mph at times, with gusts as high as 78 mph at a Minnesota Department of Transportation site near Florence.
February 28, 2026 · Lyon, Minnesota
Winter Storm Winter Storm
Snowfall totaled 6.4 inches in Minneota, 6.3 inches 4.7 miles south of Cottonwood, 6.0 inches 2.1 miles southeast of Balaton, and 3.0 inches in Marshall.
February 18, 2026 · Lyon, Minnesota
High Wind High Wind
Sustained winds were between 40 and 47 mph at times, with gusts as high as 60 mph at the Automated Weather Observing System site in Tracy (KTKC) and a Minnesota Department of Transportation site near Florence.
February 18, 2026 · Lyon, Minnesota
Winter Weather Winter Weather
A combination of widespread wind gusts from 45 to 55 mph and light snow resulted in brief reductions in visibility to around one mile or less, resulting in difficult travel.
January 21, 2026 · Lyon, Minnesota
Blizzard Blizzard
Northwest winds gusted to as high as 57 mph at Florence, 47 mph at Tracy, and 45 mph at Marshall. These winds combined with periods of snow totaling 1 to 2 inches to produce periods with visibility of one-quarter mile or less.
January 18, 2026 · Lyon, Minnesota
Blizzard Blizzard
Even though snowfall was just a few tenths of an inch, northwest winds gusted as high as 45 to 55 mph during the afternoon and evening of January 18. When snow was falling, even lightly, area Department of Transportation cameras and automated instruments indicated visibility as l…
January 16, 2026 · Lyon, Minnesota
Winter Weather Winter Weather
Occasional light snowfall totaled up to around one inch during a period of enhanced northwest wind gusts as high as 40 to 50 mph and led to a brief degradation in visibility to around one-quarter mile. With little or no pre-existing snow cover, impacts due to the lowest visibilit…
January 16, 2026 · Lyon, Minnesota
Strong Wind Strong Wind
Sustained winds reached 30 to 39 mph at times with a peak gust of 53 mph at a Minnesota Road Weather Information System site at Taunton and 45 mph at an Automated Weather Observing System site at Marshall.
December 28, 2025 · Lyon, Minnesota
Blizzard Blizzard
Two episodes of extended blizzard conditions occurred over a slightly less than 24 hour period, with a slight improvement in conditions during the mid-afternoon to early evening. Gusty northwest winds from 35 to 55 mph were concurrent with light to moderate snowfall, which totale…
December 18, 2025 · Lyon, Minnesota
High Wind High Wind
Sustained northwest winds occasionally reached 40 to 45 mph with a peak gust of 60 mph at Tracy and 59 mph near Florence.
December 9, 2025 · Lyon, Minnesota
High Wind High Wind
Synoptic northwest winds were occasionally sustained from 40 to 50 mph at an Automated Weather Observing System site at Marshall with gusts at high as 65 mph at a Minnesota Road Weather Information System site at Florence.
December 6, 2025 · Lyon, Minnesota
Winter Weather Winter Weather
Snowfall totaled 2.0 inches at Tracy.
November 28, 2025 · Lyon, Minnesota
Winter Storm Winter Storm
A long-duration snowfall totaled 6.5 inches 2 miles southeast of Balaton. During a brief break in snowfall starting late evening of November 28, a period of light freezing rain and freezing drizzle resulted in a few hundredths of an inch ice accumulation.
November 25, 2025 · Lyon, Minnesota
High Wind High Wind
Sustained winds reached 40 to 46 mph at times with a peak gust of 66 mph at a Minnesota Road Weather Information System site near Florence, 59 mph at an Automated Weather Observing System site at Tracy, and 58 mph at a Minnesota Road Weather Information System site at Taunton.
November 25, 2025 · Lyon, Minnesota
Blizzard Blizzard
Strong winds and light snowfall which totaled 1.5 inches 5 miles south of Cottonwood and 1.0 inch at Marshall and Minneota produced several hours of visibility around one-quarter mile.
September 4, 2025 · Lyon, Minnesota
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds snapped a 3-inch diameter tree in half.
September 4, 2025 · Lyon, Minnesota
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts as high as 63 mph were measured by AWOS station KMML at the Marshall Municipal Airport.
August 17, 2025 · Lyon, Minnesota
Flash Flood Flash Flood
Widespread flooding occurred in Tracy between Rowland Street and Front Street and from S 1st Street to S 4th Street, which required pumping of water.
August 17, 2025 · Lyon, Minnesota
Flash Flood Flash Flood
Heavy rainfall caused water to overrun 170th Street between 190th and 200th Avenue. The roadway was closed as water remained ponded over the road for several hours.
August 17, 2025 · Lyon, Minnesota
Flash Flood Flash Flood
Heavy rainfall caused inundation and persistent flooding of County Road 6 between U.S. Highway 59 and County Road 35, resulting in closing of the road for several hours.
August 17, 2025 · Lyon, Minnesota
Flood Flood
Several county roads were under water and closed for several hours after the initial flooding, including 170th Street northwest of Balaton and County Road 6 south of Marshall.
August 16, 2025 · Lyon, Minnesota
Thunderstorm Wind Thunderstorm Wind
Six to eight inch diameter tree limbs downed by thunderstorm winds.
August 16, 2025 · Lyon, Minnesota
Thunderstorm Wind Thunderstorm Wind
Several healthy tree limbs from 3 to 6 inches in diameter were broken by thunderstorm winds.
August 16, 2025 · Lyon, Minnesota
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts caused major tree damage across the city of Marshall, with several downed trees blocking roadways.
August 16, 2025 · Lyon, Minnesota
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts snapped off a cottonwood tree of 6 to 8 inches diameter at the base.
August 16, 2025 · Lyon, Minnesota
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts were measured by AWOS station KMML Marshall Municipal Airport.
August 16, 2025 · Lyon, Minnesota
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts were measured by a Road Weather Information System sensor near Florence.
August 16, 2025 · Lyon, Minnesota
Thunderstorm Wind Thunderstorm Wind
A 63 mph wind gust was recorded on a personal weather station just northeast of Minneota.
August 16, 2025 · Lyon, Minnesota
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts up to 70 mph were measured by AWOS station KMML at Marshall Regional Airport.
August 14, 2025 · Lyon, Minnesota
Hail Hail
August 14, 2025 · Lyon, Minnesota
Hail Hail
August 14, 2025 · Lyon, Minnesota
Hail Hail
Hail was mostly dime size, but some was as large as a quarter.
August 14, 2025 · Lyon, Minnesota
Hail Hail
August 14, 2025 · Lyon, Minnesota
Hail Hail
Hail varied from quarter to half dollar size, mixed with moderate to heavy rain.
August 8, 2025 · Lyon, Minnesota
Heat Heat
Heat index values peaked as high as 103 degrees in Marshall and 102 degrees in Taunton.
July 27, 2025 · Lyon, Minnesota
Hail Hail
July 27, 2025 · Lyon, Minnesota
Excessive Heat Excessive Heat
Dangerous heat index readings reached an afternoon peak on July 27 as high as 112 degrees at Marshall, 109 degrees at Tracy, and 105 degrees at Taunton.
July 22, 2025 · Lyon, Minnesota
Excessive Heat Excessive Heat
Dangerous heat index readings reached afternoon peaks as high as 107 degrees at Marshall on July 22.
July 18, 2025 · Lyon, Minnesota
Flash Flood Flash Flood
Heavy rainfall from 4 to 8 inches in just a couple of hours led to flooding of numerous roads around Marshall.
Events by year, as a table
YearEventsTornadoes
2026150
2025540
2024280
2023390
2022640
2021150
2020250
2019350
2018420
2017232
2016290
2015150
2014252
2013281
2012421
2011260
2010350
2009130
2008220
2007131
2006180
2005221
2004232
2003110
2002280
2001231
2000162
1999110
199860
1997140
1996140
199510
199440
199364
199252
199141
199020
198820
198710
198650
198522
198430
198250
198110
198041
1979100
197810
197710
197630
197520
197441
197020
196811
196710
196410
196320
196243
196010
195511