TornadoLookup
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Walworth storm history

Storm events recorded in Walworth, South Dakota between 1950 and 2025.

640
Total events
28
Tornadoes
173
Hail
17
Floods
2
Deaths
$3.9M
Property damage

Most significant events

Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.

June 20, 1968 · Walworth, South Dakota
Tornado F3 Tornado
June 20, 1968 · Walworth, South Dakota
Tornado F3 Tornado
January 8, 2019 · Walworth, South Dakota
Extreme Cold/Wind Chill Extreme Cold/Wind Chill1 death
December 25, 2016 · Walworth, South Dakota
Ice Storm Ice Storm1 death
May 17, 2018 · Walworth, South Dakota
Flash Flood Flash Flood$3.0M damage
December 18, 2025 · Walworth, South Dakota
High Wind High Wind
December 9, 2025 · Walworth, South Dakota
High Wind High Wind
November 25, 2025 · Walworth, South Dakota
Blizzard Blizzard
The ASOS at the Mobridge Municipal Airport recorded visibility dropping to between 1/4 and 1/2 mile starting at 8:05 am, continuing through 11:20 am. A peak wind gust of 52 mph was recorded at 9:26 am. The South Dakota Department of Transportation issued a No Travel Advised state…
October 26, 2025 · Walworth, South Dakota
High Wind High Wind
October 20, 2025 · Walworth, South Dakota
High Wind High Wind
September 14, 2025 · Walworth, South Dakota
Thunderstorm Wind Thunderstorm Wind
The Walworth County Emergency Manager estimated the wind speed to top out between 60 to 70 mph as the storm passed through after the ASOS lost power.
September 14, 2025 · Walworth, South Dakota
Tornado EF1 Tornado
The tornado tracked north-northwest over mainly open country near the city of Mobridge. This tornado initially hit a farmstead where damage was observed to a grain silo. It then tipped two semi-trailers on SD Highway 1804. The tornado destroyed an outbuilding at another farmstead…
September 4, 2025 · Walworth, South Dakota
High Wind High Wind
August 13, 2025 · Walworth, South Dakota
Hail Hail
August 8, 2025 · Walworth, South Dakota
Thunderstorm Wind Thunderstorm Wind
August 8, 2025 · Walworth, South Dakota
Thunderstorm Wind Thunderstorm Wind
August 5, 2025 · Walworth, South Dakota
Hail Hail
July 26, 2025 · Walworth, South Dakota
High Wind High Wind
A decaying thunderstorm generated a 58 mph wind gust, associated with a heat burst, 2 miles south of Lowry on a South Dakota State University mesonet station.
July 23, 2025 · Walworth, South Dakota
Thunderstorm Wind Thunderstorm Wind
A peak wind gust of 76 mph was measured by the South Dakota Department of Transportation weather station two miles south of Lowry.
July 21, 2025 · Walworth, South Dakota
Thunderstorm Wind Thunderstorm Wind
A peak wind gust of 63 mph was observed by a South Dakota State University mesonet station in the town of Glenham.
July 14, 2025 · Walworth, South Dakota
High Wind High Wind
July 14, 2025 · Walworth, South Dakota
High Wind High Wind
A trained spotter in the Selby area estimated that non-thunderstorm wind gusts between 70 and 80 mph were responsible for downing trees and limbs.
July 14, 2025 · Walworth, South Dakota
High Wind High Wind
July 9, 2025 · Walworth, South Dakota
Thunderstorm Wind Thunderstorm Wind
In Mobridge, powerful thunderstorm winds broke three power poles. The roof of a business, which had been previously damaged, was completely ripped off. The nearby Automated Surface Observing System at the Mobridge Regional Airport reported a gust of 61 mph.
July 9, 2025 · Walworth, South Dakota
Thunderstorm Wind Thunderstorm Wind
July 9, 2025 · Walworth, South Dakota
Thunderstorm Wind Thunderstorm Wind
July 9, 2025 · Walworth, South Dakota
Thunderstorm Wind Thunderstorm Wind
The caller stated wind gusts had topped out around 60 mph.
July 9, 2025 · Walworth, South Dakota
Thunderstorm Wind Thunderstorm Wind
July 9, 2025 · Walworth, South Dakota
Thunderstorm Wind Thunderstorm Wind
An mPING report indicated estimated 60 mph winds, which resulted in broken branches, damaged power lines, and shifted poles.
June 16, 2025 · Walworth, South Dakota
Thunderstorm Wind Thunderstorm Wind
June 7, 2025 · Walworth, South Dakota
Thunderstorm Wind Thunderstorm Wind
May 15, 2025 · Walworth, South Dakota
High Wind High Wind
May 11, 2025 · Walworth, South Dakota
Wildfire Wildfire
A fire developed from an old tree pile burn on 134th street and quickly spread north, mainly though pasture and field stubble. Damage included fence posts and power lines that ran through the area. Total acres burned was calculated at 859, with the fire running northeast for 3.25…
April 28, 2025 · Walworth, South Dakota
High Wind High Wind
April 9, 2025 · Walworth, South Dakota
High Wind High Wind
April 1, 2025 · Walworth, South Dakota
Drought Drought
March 1, 2025 · Walworth, South Dakota
Drought Drought
February 17, 2025 · Walworth, South Dakota
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
February 11, 2025 · Walworth, South Dakota
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
February 1, 2025 · Walworth, South Dakota
Drought Drought
January 20, 2025 · Walworth, South Dakota
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
December 19, 2024 · Walworth, South Dakota
High Wind High Wind
November 19, 2024 · Walworth, South Dakota
High Wind High Wind
September 14, 2024 · Walworth, South Dakota
Thunderstorm Wind Thunderstorm Wind
July 25, 2024 · Walworth, South Dakota
Excessive Heat Excessive Heat
June 27, 2024 · Walworth, South Dakota
Thunderstorm Wind Thunderstorm Wind
A national weather service employee estimated the wind speeds between 60 and 70 mph.
June 27, 2024 · Walworth, South Dakota
Thunderstorm Wind Thunderstorm Wind
May 23, 2024 · Walworth, South Dakota
Thunderstorm Wind Thunderstorm Wind
May 17, 2024 · Walworth, South Dakota
Thunderstorm Wind Thunderstorm Wind
May 17, 2024 · Walworth, South Dakota
Thunderstorm Wind Thunderstorm Wind

Events by year

YearEventsTornadoes
2025361
2024110
2023170
2022250
2021200
2020210
2019350
2018271
2017200
2016360
2015100
2014160
2013210
2012390
2011211
2010233
2009111
2008150
2007225
2006140
2005100
2004100
200360
2002100
2001140
2000160
199950
199870
199770
1996270
199561
199451
199340
199260
199131
199060
198920
198810
198730
198671
1985121
198410
198330
198210
198130
198080
197822
197720
197510
197311
197111
197011
196910
196822
196411
196310
196111
196010
195911
195511