Grant storm history
Storm events recorded in Grant, South Dakota between 1950 and 2025.
555
Total events
22
Tornadoes
128
Hail
42
Floods
3
Deaths
$3.1M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
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.
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
Tornado EF0 Tornado
A storm chaser posted photos of a rope tornado moving through pasture and an open field. The tornado may have clipped some trees as well before dissipating.
High Wind High Wind
High Wind High Wind
Flood Flood
The Whetstone River gauge above Big Stone City recorded a peak of 19.65 feet on April 13th, which is just below major flood stage.
Flood Flood
The South Fork Whetstone River gauge near Milbank peaked just above flood stage at 1113.83 feet, with water reaching the bottom of the bridge on 148th Street. Otherwise the impact was mainly to agricultural lands.
Flood Flood
Big Sioux river near Florence peaked in major flood stage at 9.58 feet in the early morning hours of April 13th. This is a record flood stage for this location. Being the headwaters of the Big Sioux the main impacts were to local and county roads and bridges as well as agricultur…
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 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 | 8 | 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 |