TornadoLookup

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Lake County, South Dakota

Tornadoes, hail, floods and severe storms recorded here between 1956 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.

24
Tornado reports
150
Hail reports
26
Floods since 1996
664
All events
2
Deaths
$13.9M
Property damage

Tornado paths in Lake County

The part of each tornado’s path NOAA recorded in this county, 24 in all. Zoom in and the paths widen to their surveyed width.

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Year by year

19562026
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 15, 1970 · Lake, South Dakota
Tornado F3 Tornado
February 14, 2020 · Lake, South Dakota
Winter Weather Winter Weather1 death
While winds gusted as high as 47 mph at Madison, visibility was only briefly reduced to around 2 miles during the early afternoon. There was considerable drifting snow, which led to development of icy roadways. At 2040CST, a vehicle travelling south on South Dakota Highway 19 ten…
May 5, 2012 · Lake, South Dakota
Flash Flood Flash Flood1 death, $2.0M damage
Heavy rainfall of up to 6 inches caused flash flooding of numerous roads, parks, fields, other low areas, and buildings including homes. At least 90 homes were heavily damaged in Madison by the flooding, including at least two with basement walls washed out. A basement wall of a …
September 12, 2019 · Lake, South Dakota
Flood Flood$1.4M damage
Heavy rain from September 10-12 (as much as 8.81 inches 2 miles north of Chester, 7.36 inches 4 miles west northwest of Rutland, and 7.01 inches 2 miles south of Winfred) led to widespread areal flooding. Flooding was most significant around Madison, where ponding waters led to t…
April 11, 2019 · Lake, South Dakota
Blizzard Blizzard$2.9M damage
Blizzard conditions led to a shutdown of government offices and schools, and travel was not recommended due to the widespread whiteout conditions. Storm-total snowfall reached 6 to 15 inches, with 12.5 inches at Madison. With winds gusting at times to 40 to 50 mph, snow drifts to…
August 9, 1992 · Lake, South Dakota
Tornado F2 Tornado$2.5M damage
June 29, 2026 · Lake, South Dakota
Heat Heat
Dangerous heat index readings reached a brief afternoon peak as high as 108 degrees near Madison, 106 degrees at Wentworth, and 102 degrees 6 miles south of Madison.
June 1, 2026 · Lake, South Dakota
Drought Drought
Severe (D2) drought conditions intensified to extreme (D3) during mid to late month.
May 1, 2026 · Lake, South Dakota
Drought Drought
Severe (D2) drought conditions persisted through the month.
April 1, 2026 · Lake, South Dakota
Drought Drought
Severe (D2) drought conditions persisted through the month.
March 31, 2026 · Lake, South Dakota
Drought Drought
Moderate (D1) drought conditions worsened to severe (D2) late month.
March 15, 2026 · Lake, South Dakota
Blizzard Blizzard
Northerly winds gusted as high as 54 mph at Madison and 50 mph 6 miles south of Madison. During and after a period of snowfall which totaled 6.1 inches at Madison, visibility was reduced to one-quarter mile or less at times with blowing snow.
March 12, 2026 · Lake, South Dakota
High Wind High Wind
Sustained winds were between 40 and 49 mph at times, with gusts as high as 65 mph at a South Dakota Road Weather Information System site near Madison.
February 18, 2026 · Lake, South Dakota
High Wind High Wind
Sustained winds were between 40 and 42 mph at times at a South Dakota Mesonet station 6 miles south of Madison.
January 21, 2026 · Lake, South Dakota
Winter Weather Winter Weather
Northwest winds gusted to 52 mph 3 miles southeast of Madison and 48 mph at Madison. These winds combined with periods of light snowfall which totaled from 1 to 2 inches to produce visibility briefly as low as one-quarter to one-half mile.
January 21, 2026 · Lake, South Dakota
Strong Wind Strong Wind
Northwest winds were sustained from 30 to 38 mph with gusts as high as 52 mph 3 miles southeast of Madison and 48 mph at Madison.
January 16, 2026 · Lake, South Dakota
Strong Wind Strong Wind
Sustained winds reached 30 to 39 mph at times with a peak gust of 53 mph at a South Dakota Road Weather Information System site 1 mile southeast of Madison, 52 mph at an Automated Weather Observing System site at Madison, and 51 mph a South Dakota Mesonet site 6 miles south of Ma…
December 18, 2025 · Lake, South Dakota
High Wind High Wind
Northwest winds were sustained between 40 and 45 mph at times, with gusts as high as 60 mph 1 mile southeast of Madison, and 59 mph at Madison and a South Dakota Mesonet site 6 miles south of Madison.
December 13, 2025 · Lake, South Dakota
Cold/Wind Chill Cold/Wind Chill
Wind chills reached as low as -26 degrees at Madison and at a South Dakota Mesonet site 6 miles south of Madison.
December 9, 2025 · Lake, South Dakota
High Wind High Wind
Synoptic northwest winds were sustained from 40 to 52 mph with a peak gust of 65 mph at a South Dakota Mesonet site 6 miles south of Madison and 64 mph at an Automated Weather Observing System site at Madison.
December 6, 2025 · Lake, South Dakota
Winter Weather Winter Weather
Snowfall totaled 1.8 inches 2 miles southeast of Madison.
November 28, 2025 · Lake, South Dakota
Winter Weather Winter Weather
A long-duration snowfall totaled 3.0 inches at Madison.
November 25, 2025 · Lake, South Dakota
Strong Wind Strong Wind
Sustained winds were from 30 to 37 mph, with a peak gust of 54 mph at the South Dakota Road Weather Information System site near Madison and 53 mph at the Automated Weather Observing System site at Madison.
August 16, 2025 · Lake, South Dakota
Heat Heat
Heat index values peaked as high as 103 degrees at Madison.
August 8, 2025 · Lake, South Dakota
Heat Heat
Heat index values peaked as high as 103 degrees 9 miles southwest of Madison, 102 degrees 2 miles southwest of Wentworth, and 101 degrees at Madison.
July 27, 2025 · Lake, South Dakota
Excessive Heat Excessive Heat
Dangerous heat index readings reached an afternoon peak on July 27 as high as 116 degrees at Madison, 112 degrees near Wentworth, 109 degrees near Ramona, and 107 degrees at South Dakota Mesonet site MDMS2 6 miles south of Madison.
July 21, 2025 · Lake, South Dakota
Excessive Heat Excessive Heat
Dangerous heat index readings reached daily afternoon peaks as high as 108 degrees at Madison and 106 degrees at Orland on July 22.
July 15, 2025 · Lake, South Dakota
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts were measured by a personal weather station.
June 20, 2025 · Lake, South Dakota
Excessive Heat Excessive Heat
Daily afternoon and evening heat indices ranged from 105 to 111 degrees with a maximum heat index of 111 degrees at a personal weather station near Madison, 109 degrees at a personal weather station in Wentworth, and 105 degrees at the Automated Weather Observing System site at M…
April 1, 2025 · Lake, South Dakota
Winter Weather Winter Weather
Snowfall totaled 1.0 inch 2 miles southeast of Madison.
April 1, 2025 · Lake, South Dakota
Drought Drought
Severe (D2) drought conditions improved to moderate (D1) early month.
March 25, 2025 · Lake, South Dakota
Drought Drought
Moderate (D1) drought conditions worsened to severe (D2) late month.
March 4, 2025 · Lake, South Dakota
High Wind High Wind
Northwest winds were sustained at times around 40 mph at Madison.
February 28, 2025 · Lake, South Dakota
Strong Wind Strong Wind
Winds were sustained at 30 to 39 mph with a peak gust of 52 mph 9 miles south of Madison and 49 mph at Madison.
February 17, 2025 · Lake, South Dakota
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
The lowest wind chills ranged from 35 to 45 below zero with 45 below zero observed at the Madison Municipal Airport (KMDS).
February 13, 2025 · Lake, South Dakota
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
The lowest wind chills ranged from 35 to 40 below zero with 40 below zero observed at the Madison Municipal Airport (KMDS).
February 11, 2025 · Lake, South Dakota
Cold/Wind Chill Cold/Wind Chill
Wind chill temperatures ranged from 25 to 34 below zero during the early morning hours. The AWOS at the Madison Municipal Airport briefly dipped as low as 36 below zero.
February 10, 2025 · Lake, South Dakota
Winter Weather Winter Weather
Snowfall totaled 3.1 inches 2 miles southeast of Madison.
February 7, 2025 · Lake, South Dakota
Winter Weather Winter Weather
Snowfall totaled 2.5 inches 2 miles southeast of Madison.
January 19, 2025 · Lake, South Dakota
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
The lowest wind chills ranged from 35 to 45 below zero with 45 below zero observed at the Madison Municipal Airport (KMDS).
December 19, 2024 · Lake, South Dakota
Strong Wind Strong Wind
Winds were sustained from 30 to 36 mph at times with gusts as high as 49 mph at Madison.
December 4, 2024 · Lake, South Dakota
Strong Wind Strong Wind
Winds were sustained from 30 to 40 mph with gusts as high as 51 mph at Madison.
November 20, 2024 · Lake, South Dakota
Strong Wind Strong Wind
An occasional wind gust up to 50 mph was measured 6 miles south of Madison and 48 mph in Madison.
November 1, 2024 · Lake, South Dakota
Drought Drought
Severe (D2) drought improved to moderate (D1) conditions after around 200 percent of normal monthly precipitation.
October 8, 2024 · Lake, South Dakota
Drought Drought
Severe (D2) drought developed with precipitation from 5 to 6 inches below normal since August 1.
August 25, 2024 · Lake, South Dakota
Excessive Heat Excessive Heat
Afternoon and early evening heat index values reached as high as 112 degrees at Madison.
August 2, 2024 · Lake, South Dakota
Heat Heat
Two-day heat index readings peaked very briefly at 106 degrees at a personal weather station near Wentworth and 105 degrees at Madison.
July 31, 2024 · Lake, South Dakota
Thunderstorm Wind Thunderstorm Wind
Tree limbs up to 3 inches in diameter were taken down by thunderstorm wind gusts.
July 31, 2024 · Lake, South Dakota
Excessive Heat Excessive Heat
Heat index values reached 108 degrees at Madison and 105 degrees near Wentworth.
July 13, 2024 · Lake, South Dakota
Excessive Heat Excessive Heat
Afternoon and evening heat indices ranged from 100 to 110 degrees with a maximum heat index of 110 degrees a personal weather station near Madison, 109 degrees at a personal weather station in Wentworth, and 106 degrees at the Automated Weather Observing System site in Madison.
Events by year, as a table
YearEventsTornadoes
2026110
2025230
2024200
2023240
2022400
2021211
2020170
2019340
2018250
2017161
2016240
2015200
2014130
2013150
2012320
2011262
2010230
2009151
2008160
2007140
2006151
2005330
2004230
200391
2002180
2001220
2000211
1999120
199870
1997140
1996160
199510
199420
199232
199110
199030
198911
198710
198221
198031
197930
197840
197510
197410
197111
197054
196711
196620
196533
196110
195920
195820
195711
195611