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Grant County, South Dakota
Tornadoes, hail, floods and severe storms recorded here between 1955 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
22
Tornado reports
128
Hail reports
44
Floods since 1996
566
All events
3
Deaths
$3.1M
Property damage
Tornado paths in Grant County
The part of each tornado’s path NOAA recorded in this county, 22 in all. Zoom in and the paths widen to their surveyed width.
EF0EF1EF2EF3EF4EF5Unrated
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.
A two vehicle accident resulted in a fatality near the town of Milbank in near blizzard conditions, with the nearby Automated Weather Observing System recording a visibility of 1/4 miles during the accident. The COOP observer in Milbank would also record 11 inches of total snow f…
On the north fork of the Yellowbank Creek southeast of Milbank, a woman died when she went around a barricaded road with her car in the early morning hours of the 12th. Her car was found 200 yards from the road.
Thunderstorm Wind Thunderstorm Wind
Heavy Snow Heavy Snow
High Wind High Wind
Heavy Snow Heavy Snow
CoCoRaHS observers in LaBolt and 2 miles west southwest of Milbank reported 6.3 and 6.2 inches respectively.
Winter Weather Winter Weather
High winds and ice caused a semi to tip, resulting in the closure of Highway 15 south of Milbank. The AWOS 3 miles east northeast of Milbank recorded a peak wind gust of 57 mph at the time of the incident.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Blizzard Blizzard
Blizzard conditions reported on Milbank AWOS starting around 8 am with visibility consistently down to between a quarter to a half mile. Wind gusts were initially up around 45 mph, but increased through the day with a peak of 62 mph by 710pm.
High Wind High Wind
Heavy Snow Heavy Snow
Blizzard Blizzard
The AWOS 3 miles east-northeast of Milbank recorded visibility falling to 1/4 mile from 11:55 am through 9:15 pm. A peak wind gust of 63 mph was measured at 3:04 pm on the South Dakota Department of Transportation Mesonet station 2 miles southwest of Big Stone City. Emergency Man…
Hail Hail
Hail Hail
Hail Hail
Flood Flood
The river crested at 1059.7 feet, or 3.7 feet above flood stage, at 2:00 p.m. CST on August 7th. At its peak, the water reached just shy of the bottom of the bridges on 145th Street and 480th Avenue. The low water crossing on 479th Avenue was flooded, along with nearby agricultur…
Thunderstorm Wind Thunderstorm Wind
Flood Flood
Flood Flood
Flood Flood
Flood Flood
A resident of Grant county submitted photos of their flooded homestead including water over the road and up to the foundation of the residence.
Flood Flood
The Milbank COOP observer reported standing water in farm fields between Milbank and Twin Brooks.
Excessive Heat Excessive Heat
Flood Flood
Thunderstorm Wind Thunderstorm Wind
High Wind High Wind
High Wind High Wind
High Wind High Wind
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
An 81 year old man died in a single-vehicle crash at approximately 2:38 pm at the intersection of 149th St and 481st Ave. The vehicle was traveling on 149th St when it slid on the slick roadway, crossed into the ditch and rolled into a field. The driver was not wearing a seatbelt…
Drought Drought
Drought Drought
Excessive Heat Excessive Heat
Excessive Heat Excessive Heat
Excessive Heat Excessive Heat
Hail Hail
Flood Flood
High Wind High Wind
A spotter reported snapped telephone poles in Milbank.
Heavy Snow Heavy Snow
Grant County Sheriff advised No Travel due to hazardous travel conditions.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Ice Storm Ice Storm
The public reported 0.25 inches of ice 3 miles southwest of Summit.
Freezing Fog Freezing Fog
Excessive Heat Excessive Heat
Drought Drought
Excessive Heat Excessive Heat
Drought Drought
Drought Drought
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 6 | 0 |
| 2025 | 23 | 0 |
| 2024 | 11 | 0 |
| 2023 | 30 | 1 |
| 2022 | 29 | 4 |
| 2021 | 19 | 0 |
| 2020 | 15 | 0 |
| 2019 | 23 | 0 |
| 2018 | 14 | 0 |
| 2017 | 18 | 0 |
| 2016 | 11 | 0 |
| 2015 | 22 | 0 |
| 2014 | 21 | 0 |
| 2013 | 24 | 0 |
| 2012 | 19 | 0 |
| 2011 | 26 | 0 |
| 2010 | 23 | 0 |
| 2009 | 8 | 0 |
| 2008 | 19 | 0 |
| 2007 | 25 | 0 |
| 2006 | 13 | 1 |
| 2005 | 12 | 0 |
| 2004 | 4 | 0 |
| 2003 | 14 | 1 |
| 2002 | 13 | 0 |
| 2001 | 13 | 0 |
| 2000 | 9 | 0 |
| 1999 | 10 | 0 |
| 1998 | 9 | 2 |
| 1997 | 13 | 0 |
| 1996 | 26 | 5 |
| 1995 | 1 | 0 |
| 1994 | 4 | 0 |
| 1992 | 4 | 0 |
| 1991 | 7 | 0 |
| 1990 | 1 | 0 |
| 1989 | 1 | 0 |
| 1987 | 1 | 0 |
| 1985 | 1 | 0 |
| 1983 | 1 | 0 |
| 1982 | 1 | 0 |
| 1981 | 5 | 1 |
| 1980 | 2 | 0 |
| 1979 | 1 | 0 |
| 1977 | 2 | 1 |
| 1976 | 1 | 1 |
| 1974 | 1 | 0 |
| 1973 | 2 | 2 |
| 1970 | 1 | 0 |
| 1968 | 1 | 1 |
| 1966 | 1 | 0 |
| 1962 | 1 | 1 |
| 1960 | 2 | 0 |
| 1957 | 1 | 0 |
| 1955 | 1 | 1 |
Search your address
See every tornado that passed within 25 miles of a place in Grant County, measured to its path.
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