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Dewey County, South Dakota
Tornadoes, hail, floods and severe storms recorded here between 1953 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
27
Tornado reports
265
Hail reports
34
Floods since 1996
814
All events
3
Deaths
$1.2M
Property damage
Tornado paths in Dewey County
The part of each tornado’s path NOAA recorded in this county, 25 in all. Zoom in and the paths widen to their surveyed width.
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Year by 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.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
The South Dakota State University mesonet station one mile southwest of Timber Lake recorded a peak wind gust of 65 mph.
Hail Hail
Quarter-sized hail (1.00 inch) was observed three miles northeast of Green Grass.
Hail Hail
Quarter-sized hail (1.00 inch) fell two miles northeast of White Horse.
High Wind High Wind
Heavy Snow Heavy Snow
The Emergency Manager of Dewey County estimated a foot of snowfall in Timber Lake while a resident in Eagle Butte recorded 8.4 inches of snowfall.
High Wind High Wind
The South Dakota Department of Transportation (SDDOT) Road Weather Information System (RWIS) 1 mile northeast of the community of Ridgeview recorded a peak wind gust of 72 mph, while the SDDOT RWIS 1 mile northeast of the city of Timber Lake and South Dakota State University (SDS…
Wildfire Wildfire
Cooperative Institute for Meteorological Satellite Studies (CIMSS) fire detection tool identified a hot spot northeast of the community of Green Grass in the early afternoon of March 12th. Dewey county Emergency Management closed a portion of Highway 63 due to smoke and the threa…
High Wind High Wind
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
High Wind High Wind
High Wind High Wind
High Wind High Wind
Winds caused the collapse of a small steel building under construction in Timber Lake. The South Dakota Department of Transportation mesonet recorded gusts of 73 mph near Timber Lake and 83 mph near Ridgeview.
High Wind High Wind
Heavy Snow Heavy Snow
High Wind High Wind
High Wind High Wind
Flood Flood
Tribal Officials report that the culvert on BIA Rt 8 has partly washed out. Travel through the area was difficult.
Flood Flood
The river gauge on the Little Moreau at Promise went above flood stage on the afternoon of September 18th, topping out at 23.03 feet (2.03 feet above flood stage) during the early morning hours of September 19th. The river fell below flood stage later that afternoon. Virgin Creek…
Thunderstorm Wind Thunderstorm Wind
A wind gust of 70 mph was recorded by the South Dakota State University Mesonet station 1 mile east-southeast of Parade.
High Wind High Wind
Thunderstorm Wind Thunderstorm Wind
A trained spotter reported damage to their flags by an estimated 60 mph wind gust.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
A peak measured gust of 62 mph was recorded on a personal weather station 14 miles south of Parade.
Thunderstorm Wind Thunderstorm Wind
High Wind High Wind
A decaying thunderstorm generated a heat burst with a peak wind gust of 65 mph measured on the South Dakoda State University Mesonet station 1 mile southwest of Timber Lake.
Hail Hail
Ping-Pong ball-sized hail was reported.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
A peak wind gust of 73 mph was recorded at the South Dakota State University mesonet station six miles north-northwest of Lantry.
Thunderstorm Wind Thunderstorm Wind
A trained spotter estimated winds up to 60 mph caused minor crop damage.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Hail Hail
High Wind High Wind
Drought Drought
Wildfire Wildfire
High Wind High Wind
Drought Drought
Wildfire Wildfire
A semi trailer with hay caught on fire east of LaPlant resulting in an approximately 290 acre burn that consumed mainly grassland. A peak wind gust of 25 mph was recorded at the nearby South Dakota Department of Transportation weather station.
Drought Drought
High Wind High Wind
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 12 | 0 |
| 2025 | 40 | 0 |
| 2024 | 20 | 0 |
| 2023 | 17 | 0 |
| 2022 | 51 | 0 |
| 2021 | 40 | 0 |
| 2020 | 23 | 0 |
| 2019 | 26 | 0 |
| 2018 | 35 | 0 |
| 2017 | 20 | 0 |
| 2016 | 32 | 0 |
| 2015 | 18 | 0 |
| 2014 | 17 | 1 |
| 2013 | 35 | 0 |
| 2012 | 16 | 0 |
| 2011 | 32 | 0 |
| 2010 | 32 | 1 |
| 2009 | 27 | 0 |
| 2008 | 48 | 7 |
| 2007 | 28 | 0 |
| 2006 | 22 | 1 |
| 2005 | 15 | 0 |
| 2004 | 18 | 0 |
| 2003 | 9 | 0 |
| 2002 | 14 | 0 |
| 2001 | 15 | 0 |
| 2000 | 15 | 0 |
| 1999 | 11 | 0 |
| 1998 | 12 | 0 |
| 1997 | 19 | 2 |
| 1996 | 20 | 1 |
| 1995 | 7 | 1 |
| 1994 | 7 | 1 |
| 1992 | 2 | 0 |
| 1991 | 7 | 0 |
| 1990 | 9 | 1 |
| 1989 | 1 | 0 |
| 1988 | 4 | 0 |
| 1987 | 6 | 0 |
| 1986 | 2 | 1 |
| 1985 | 5 | 1 |
| 1984 | 2 | 0 |
| 1983 | 1 | 0 |
| 1982 | 1 | 0 |
| 1980 | 1 | 0 |
| 1979 | 3 | 0 |
| 1977 | 1 | 1 |
| 1974 | 1 | 0 |
| 1971 | 2 | 0 |
| 1970 | 1 | 1 |
| 1968 | 2 | 1 |
| 1965 | 1 | 1 |
| 1964 | 4 | 3 |
| 1963 | 1 | 0 |
| 1959 | 1 | 0 |
| 1957 | 1 | 0 |
| 1955 | 1 | 1 |
| 1953 | 1 | 1 |
Search your address
See every tornado that passed within 25 miles of a place in Dewey County, measured to its path.
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