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.
Tornado F3 Tornado
Tornado F3 Tornado
High Wind High Wind
High Wind High Wind
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…
High Wind High Wind
High Wind High Wind
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.
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…
High Wind High Wind
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Hail Hail
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.
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.
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.
High Wind High Wind
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.
High Wind High Wind
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.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
The caller stated wind gusts had topped out around 60 mph.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
An mPING report indicated estimated 60 mph winds, which resulted in broken branches, damaged power lines, and shifted poles.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
High Wind High Wind
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…
High Wind High Wind
High Wind High Wind
Drought Drought
Drought Drought
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Drought Drought
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
High Wind High Wind
High Wind High Wind
Thunderstorm Wind Thunderstorm Wind
Excessive Heat Excessive Heat
Thunderstorm Wind Thunderstorm Wind
A national weather service employee estimated the wind speeds between 60 and 70 mph.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 36 | 1 |
| 2024 | 11 | 0 |
| 2023 | 17 | 0 |
| 2022 | 25 | 0 |
| 2021 | 20 | 0 |
| 2020 | 21 | 0 |
| 2019 | 35 | 0 |
| 2018 | 27 | 1 |
| 2017 | 20 | 0 |
| 2016 | 36 | 0 |
| 2015 | 10 | 0 |
| 2014 | 16 | 0 |
| 2013 | 21 | 0 |
| 2012 | 39 | 0 |
| 2011 | 21 | 1 |
| 2010 | 23 | 3 |
| 2009 | 11 | 1 |
| 2008 | 15 | 0 |
| 2007 | 22 | 5 |
| 2006 | 14 | 0 |
| 2005 | 10 | 0 |
| 2004 | 10 | 0 |
| 2003 | 6 | 0 |
| 2002 | 10 | 0 |
| 2001 | 14 | 0 |
| 2000 | 16 | 0 |
| 1999 | 5 | 0 |
| 1998 | 7 | 0 |
| 1997 | 7 | 0 |
| 1996 | 27 | 0 |
| 1995 | 6 | 1 |
| 1994 | 5 | 1 |
| 1993 | 4 | 0 |
| 1992 | 6 | 0 |
| 1991 | 3 | 1 |
| 1990 | 6 | 0 |
| 1989 | 2 | 0 |
| 1988 | 1 | 0 |
| 1987 | 3 | 0 |
| 1986 | 7 | 1 |
| 1985 | 12 | 1 |
| 1984 | 1 | 0 |
| 1983 | 3 | 0 |
| 1982 | 1 | 0 |
| 1981 | 3 | 0 |
| 1980 | 8 | 0 |
| 1978 | 2 | 2 |
| 1977 | 2 | 0 |
| 1975 | 1 | 0 |
| 1973 | 1 | 1 |
| 1971 | 1 | 1 |
| 1970 | 1 | 1 |
| 1969 | 1 | 0 |
| 1968 | 2 | 2 |
| 1964 | 1 | 1 |
| 1963 | 1 | 0 |
| 1961 | 1 | 1 |
| 1960 | 1 | 0 |
| 1959 | 1 | 1 |
| 1955 | 1 | 1 |