Mccook storm history
Storm events recorded in Mccook, South Dakota between 1950 and 2025.
719
Total events
40
Tornadoes
188
Hail
29
Floods
8
Deaths
$46.4M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
The tornado from Hanson County destroyed most of Spencer as it strengthened and continued to grow. Most homes, other buildings, and other structures in Spencer were completely levelled. Debris and belongings were scattered over a large area, and one receipt blown from Spencer was…
A tornado caused extensive damage in the Canistota area. Four metal grain storage bins were severely damaged and the roof was blown off the grain elevator. A large roof was blown off a building in Canistota resulting in rain seeping through the floors of the building. The roof bl…
Tornado F3 Tornado
Rain changed to freezing rain, causing light icing before the precipitation quickly changed to snow. Snow accumulated 5 to 8 inches. The icing and subsequent snow accumulation made travel very difficult, with several vehicle accidents and numerous vehicles sliding into ditches. O…
Rainfall amounts across McCook County from June 20-22 ranged from 5 to 8 inches. Widespread overland flooding ensued with additional flooding along the East Fork Vermillion River, West Fork Vermillion River, and Wolf Creek. Flood waters damaged 10 to 15 homes in Montrose, 8 to 10…
An extended period of precipitation began with freezing rain quickly producing moderate to heavy ice accumulations, ranging up to more than a quarter of an inch. The precipitation then changed to sleet and then snow, with sleet and snow accumulations reaching the 5 to 8 inch rang…
Widespread golf ball to baseball-size hail fell with some softball size hail reported. The hail broke windows and caused other damage to all homes and unprotected vehicles in Salem, including 150 cars at a dealership. Severe damage occurred to crops in the area.
High Wind High Wind
Northwest winds were sustained between 40 and 51 mph at times, with gusts as high as 67 mph 2 miles southeast of Montrose, 61 mph 4 miles north of Dolton, and 58 mph near Canova.
Winter Weather Winter Weather
Snowfall totaled 3.5 inches 5 miles northeast of Salem and 3.0 inches 7 miles north of Parker.
Cold/Wind Chill Cold/Wind Chill
Wind chills reached as low as -33 degrees at Salem, -30 degrees 2 miles southeast of Montrose and near Canova, and -26 degrees 4 miles north of Dolton.
High Wind High Wind
Synoptic northwest winds were sustained from 40 to 49 mph with a peak gust of 66 mph at a South Dakota Road Weather Information System site 2 miles southeast of Montrose and 64 mph 4 miles north of Dolton.
Winter Storm Winter Storm
Snowfall totaled 8.0 inches at Canistota, 7.5 inches at Bridgewater, and 5.0 inches at Montrose and 5 miles northeast of Salem.
Winter Weather Winter Weather
A long-duration snowfall totaled 6.0 inches 7 miles north of Parker, 4.5 inches 6 miles northwest of Montrose, 4.0 inches at Bridgewater, and 3.6 inches at Montrose.
High Wind High Wind
Sustained winds periodically reached from 40 to 46 mph at a South Dakota Road Weather Information System site 2 miles southeast of Montrose with a peak wind gust of 63 mph.
Winter Weather Winter Weather
Snowfall totaled 5.0 inches 6 miles northwest of Montrose and 7 miles north of Parker, 4.2 inches at Bridgewater, and 3.3 inches at Montrose.
Heat Heat
Heat index values peaked as high as 102 degrees 4 miles south of Canova and 100 degrees near Salem.
Heat Heat
Heat index values peaked as high as 101 degrees 4 miles north of Dolton and near Salem.
Hail Hail
A large tree limb was also blown down by thunderstorm winds.
Thunderstorm Wind Thunderstorm Wind
Scattered tree damage occurred throughout the city of Bridgewater.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts were measured by a Road Weather Information System sensor at Stanley Corner.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts were measured by a personal weather station.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts were measured by a personal weather station.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts were measured by a Road Weather Information System sensor near Montrose.
Excessive Heat Excessive Heat
Dangerous heat index readings reached an afternoon peak on July 27 as high as 116 degrees near Canova, 111 degrees 4 miles north of Dolton, 109 degrees near Salem, 108 degrees near Montrose, and 107 degrees at Bridgewater.
Heat Heat
Heat index values peaked during the afternoon hours of July 22 as high as 103 degrees near Canova.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gusts were measured by a Road Weather Information System sensor near Montrose.
Hail Hail
Excessive Heat Excessive Heat
Daily afternoon and evening heat indices ranged from 105 to 113 degrees with a maximum heat index of 113 degrees at a personal weather station near Canova on June 20, 108 degrees at the Road Weather Information System site near Dolton on June 21, 107 degrees at the Road Weather I…
Drought Drought
Severe (D2) drought conditions improved to moderate (D1) early month.
Drought Drought
Moderate (D1) drought conditions worsened to severe (D2) late month.
Winter Weather Winter Weather
Snowfall totaled 3.0 inches at Bridgewater, and 2.0 inches 5.8 miles northwest of Montrose and 7.2 miles north of Parker.
High Wind High Wind
Northwest winds gusted up to 58 mph 2 miles north of Dolton.
High Wind High Wind
Winds were sustained at times from 40 to 46 mph with a peak gust of 61 mph near Montrose and a peak gust of 51 mph near Dolton.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
The lowest wind chills ranged from 35 to 45 below zero with 45 below zero observed at a personal weather station near Montrose. The South Dakota Road Weather Information System site near Montrose reported a minimum wind chill of 43 below zero.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
The lowest wind chills ranged from 35 to 40 below zero with 40 below zero observed at a personal weather station near Salem. The South Dakota Road Weather Information System site near Stanley Corner reported a minimum wind chill of 38 below zero.
Cold/Wind Chill Cold/Wind Chill
Wind chill temperatures ranged from 25 to 34 below zero during the early morning hours. A private weather station near Salem briefly dipped as low as 35 below zero.
Winter Storm Winter Storm
Snowfall totaled 7.5 inches 7.2 miles north of Parker and 6.0 inches at Bridgewater.
Winter Weather Winter Weather
Snowfall totaled 4.0 inches 7.2 miles north of Parker, and 2.5 inches in Montrose and 5.8 miles northwest of Montrose.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
The lowest wind chills ranged from 35 to 45 below zero with 45 below zero observed at the South Dakota Road Weather Information System site near Montrose.
Strong Wind Strong Wind
Winds were sustained from 30 to 32 mph at times with gusts as high as 50 mph near Dolton and 49 mph near Canova.
High Wind High Wind
Winds near Stanley Corner were sustained from 35 to 44 mph with gusts as high as 58 mph.
Winter Weather Winter Weather
Light to briefly moderate snow fell in a very narrow band over the central and western portions of the county which totaled 3.0 inches 10 miles north of Parker and 1.9 inches 4 miles northeast of Salem. The snow was accompanied by strong northwest winds which gusted as high as 44…
Drought Drought
Severe (D2) drought improved to moderate (D1) conditions after around 200 percent of normal monthly precipitation.
Drought Drought
Severe (D2) drought developed with precipitation around 5 inches below normal since August 1.
Excessive Heat Excessive Heat
Afternoon and early evening heat index values reached as high as 106 degrees near Dolton and Salem.
Heat Heat
Two-day heat index readings peaked at 104 degrees at a personal weather station near Canova.
Hail Hail
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 32 | 0 |
| 2024 | 34 | 0 |
| 2023 | 32 | 0 |
| 2022 | 45 | 1 |
| 2021 | 26 | 0 |
| 2020 | 19 | 0 |
| 2019 | 29 | 0 |
| 2018 | 29 | 0 |
| 2017 | 12 | 0 |
| 2016 | 20 | 0 |
| 2015 | 16 | 0 |
| 2014 | 11 | 0 |
| 2013 | 12 | 0 |
| 2012 | 31 | 0 |
| 2011 | 19 | 0 |
| 2010 | 22 | 0 |
| 2009 | 27 | 1 |
| 2008 | 14 | 0 |
| 2007 | 20 | 1 |
| 2006 | 23 | 1 |
| 2005 | 23 | 0 |
| 2004 | 23 | 0 |
| 2003 | 19 | 0 |
| 2002 | 23 | 0 |
| 2001 | 14 | 4 |
| 2000 | 19 | 2 |
| 1999 | 15 | 1 |
| 1998 | 9 | 3 |
| 1997 | 9 | 0 |
| 1996 | 15 | 0 |
| 1995 | 3 | 0 |
| 1994 | 2 | 0 |
| 1993 | 2 | 2 |
| 1992 | 2 | 2 |
| 1991 | 13 | 0 |
| 1989 | 5 | 0 |
| 1987 | 5 | 0 |
| 1986 | 2 | 0 |
| 1985 | 3 | 2 |
| 1984 | 6 | 3 |
| 1983 | 2 | 0 |
| 1982 | 2 | 0 |
| 1981 | 1 | 1 |
| 1980 | 1 | 0 |
| 1979 | 1 | 1 |
| 1978 | 2 | 0 |
| 1976 | 1 | 0 |
| 1974 | 1 | 0 |
| 1973 | 2 | 2 |
| 1971 | 2 | 2 |
| 1970 | 2 | 1 |
| 1969 | 2 | 0 |
| 1967 | 1 | 1 |
| 1966 | 2 | 0 |
| 1965 | 6 | 6 |
| 1962 | 1 | 0 |
| 1959 | 2 | 0 |
| 1958 | 1 | 1 |
| 1954 | 1 | 1 |
| 1953 | 1 | 1 |