TornadoLookup

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Hamlin County, South Dakota

Tornadoes, hail, floods and severe storms recorded here between 1964 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.

23
Tornado reports
194
Hail reports
77
Floods since 1996
634
All events
7
Deaths
$1.9M
Property damage

Tornado paths in Hamlin County

The part of each tornado’s path NOAA recorded in this county, 23 in all. Zoom in and the paths widen to their surveyed width.

EF0EF1EF2EF3EF4EF5Unrated

Year by year

19642026
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.

March 10, 2021 · Hamlin, South Dakota
Heavy Snow Heavy Snow1 death, 1 injury
June 21, 2013 · Hamlin, South Dakota
Thunderstorm Wind Thunderstorm Wind1 death, 2 injuries
Severe tree and structural damage occurred on Lake Poinsett with ninety mph winds. A woman was killed and her husband was seriously injured when their lake house was destroyed. A man was also hospitalized for electric shock.
April 15, 2011 · Hamlin, South Dakota
Winter Weather Winter Weather2 deaths, 1 injury
One male and one female in their late twenties were killed around 830 am CDT on the 15th on a slushy U.S. Highway 81. The third person in the car was injured-non life threatening. The car they were driving was hit by a large truck.
January 18, 2010 · Hamlin, South Dakota
Dense Fog Dense Fog3 deaths, 2 injuries
April 16, 1967 · Hamlin, South Dakota
Tornado F1 Tornado11 injuries
June 9, 2026 · Hamlin, South Dakota
Thunderstorm Wind Thunderstorm Wind
Hamlin county Emergency Management estimated thunderstorm winds topped out at 70 mph at Lake Poinsett. Nearby personal mesonet stations located at the Lake Region Golf Course recorded peak wind gusts of 74 and 62 mph. These high winds felled a number of trees in the area, in addi…
June 9, 2026 · Hamlin, South Dakota
Thunderstorm Wind Thunderstorm Wind
June 9, 2026 · Hamlin, South Dakota
Thunderstorm Wind Thunderstorm Wind
A storm chaser reported significant trees damage due to thunderstorm winds.
June 9, 2026 · Hamlin, South Dakota
Thunderstorm Wind Thunderstorm Wind
A resident 2.5 miles east of Castlewood relayed photos of a damaged metal shed and multiple downed trees.
June 9, 2026 · Hamlin, South Dakota
Thunderstorm Wind Thunderstorm Wind
A trained spotter reported that multiple irrigation pivots had been damaged by thunderstorm winds.
June 9, 2026 · Hamlin, South Dakota
Thunderstorm Wind Thunderstorm Wind
The Hamlin county Emergency Manager reported the roof of a metal outbuilding peeled up from thunderstorm winds.
June 9, 2026 · Hamlin, South Dakota
Thunderstorm Wind Thunderstorm Wind
Images relayed through Facebook show trees uprooted 3 miles west of Castlewood.
June 3, 2026 · Hamlin, South Dakota
Hail Hail
June 3, 2026 · Hamlin, South Dakota
Hail Hail
A trained spotter noted hail damage to crops 3 to 4 miles south of Castlewood.
March 12, 2026 · Hamlin, South Dakota
High Wind High Wind
February 28, 2026 · Hamlin, South Dakota
Heavy Snow Heavy Snow
Two miles north of the Hamlin Education Center, the public reported a total snowfall of 6 inches.
February 18, 2026 · Hamlin, South Dakota
High Wind High Wind
January 23, 2026 · Hamlin, South Dakota
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
December 18, 2025 · Hamlin, South Dakota
High Wind High Wind
December 18, 2025 · Hamlin, South Dakota
Winter Weather Winter Weather
South Dakota Highway Patrol reports that a semi jackknifed along Highway 28 thanks to the combination of strong winds and low visibility in snow. The nearby South Dakota Department of Transportation weather station 4 miles east of Lake Norden recorded a peak wind gust of 50 mph a…
December 9, 2025 · Hamlin, South Dakota
High Wind High Wind
November 28, 2025 · Hamlin, South Dakota
Heavy Snow Heavy Snow
September 2, 2025 · Hamlin, South Dakota
Hail Hail
August 22, 2025 · Hamlin, South Dakota
Flood Flood
The Big Sioux near Castlewood would go into flood on August 22nd during the morning hours, cresting at 11.42 or 2.42 feet above flood stage on the morning of August 24th. The river would remain in flood through the evening of August 27th.
August 17, 2025 · Hamlin, South Dakota
Flood Flood
A trained spotter reported flooding in the Lake Poinsett area, with water over some roadways.
August 17, 2025 · Hamlin, South Dakota
Flood Flood
The Hamlin County Sheriffs Office reports numerous secondary roads have water over them including 465th Ave. north of Estelline.
August 16, 2025 · Hamlin, South Dakota
Thunderstorm Wind Thunderstorm Wind
August 16, 2025 · Hamlin, South Dakota
Tornado EF0 Tornado
A tornado touched down over cropland just east of 439th Ave and about a half-mile south of 183rd St. The tornado tracked northeast, crossing 183rd St. Tree damage was noted just before the tornado then crossed 440th Ave. The tornado crossed a farmstead where several empty grain b…
August 6, 2025 · Hamlin, South Dakota
Flood Flood
The Big Sioux River near Castlewood entered flood stage around mid-day on August 6th. The river would crest at 1030 pm on August 7th at 10.63 feet, or 1.63 feet above flood stage. The river stayed in flood through the morning of August 10th. Flooding was mainly confined to low-ly…
August 5, 2025 · Hamlin, South Dakota
Thunderstorm Wind Thunderstorm Wind
August 1, 2025 · Hamlin, South Dakota
Flood Flood
July 27, 2025 · Hamlin, South Dakota
Excessive Heat Excessive Heat
July 27, 2025 · Hamlin, South Dakota
Hail Hail
July 27, 2025 · Hamlin, South Dakota
Hail Hail
July 27, 2025 · Hamlin, South Dakota
Hail Hail
July 27, 2025 · Hamlin, South Dakota
Flood Flood
The Big Sioux River near Castlewood went into flood during the evening of July 27th, rising over three feet in four hours due to heavy rainfall from thunderstorms. The COOP observer in Castlewood recorded 5.61 inches of rain. The river crested at 11.44 feet, which is 2.44 feet ab…
July 7, 2025 · Hamlin, South Dakota
Hail Hail
A COOP observer reported one-inch hail as a storm moved over Hayti.
June 28, 2025 · Hamlin, South Dakota
Funnel Cloud Funnel Cloud
June 28, 2025 · Hamlin, South Dakota
Funnel Cloud Funnel Cloud
June 28, 2025 · Hamlin, South Dakota
Hail Hail
June 28, 2025 · Hamlin, South Dakota
Hail Hail
June 28, 2025 · Hamlin, South Dakota
Hail Hail
June 28, 2025 · Hamlin, South Dakota
Flash Flood Flash Flood
Hamlin county emergency management posted photos of flooded fields, ditches full and water running over 465th Ave north of Estelline.
June 20, 2025 · Hamlin, South Dakota
Excessive Heat Excessive Heat
June 19, 2025 · Hamlin, South Dakota
Hail Hail
June 19, 2025 · Hamlin, South Dakota
Thunderstorm Wind Thunderstorm Wind
June 19, 2025 · Hamlin, South Dakota
Thunderstorm Wind Thunderstorm Wind
June 19, 2025 · Hamlin, South Dakota
Thunderstorm Wind Thunderstorm Wind
The Hamlin county Emergency Manager estimated winds up to 65 mph and nickel to quarter sized hail.
June 19, 2025 · Hamlin, South Dakota
Thunderstorm Wind Thunderstorm Wind
A caller stated that a large limb had come down with thunderstorm winds in the town of Estelline.
May 15, 2025 · Hamlin, South Dakota
High Wind High Wind
Events by year, as a table
YearEventsTornadoes
2026130
2025361
2024190
2023150
2022283
2021190
2020140
2019331
2018140
2017210
2016190
2015210
2014230
2013241
2012130
2011260
2010370
200990
2008190
2007150
200690
2005210
2004130
2003101
2002130
2001191
2000110
1999140
1998110
1997253
1996142
199540
199410
199220
199120
198940
198810
198740
198661
198510
198441
198320
198240
198172
198032
197710
197510
197131
197010
196711
196610
196432