Tornado Warnings in South Dakota
1,824 tornado warnings since 1986. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of tornado warnings reaches back to 1986.
Tornado Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Tornado Warnings
- 1,824
- Busiest year
- 200991 tornado warnings
- Average year
- 44over 41 years on file
Over time
By year
Before October 2007 these were issued for whole counties, and a storm crossing three counties was often three warnings; since then one polygon follows the storm. The count changed with the practice, not only with the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Brown County72
- Meade County68
- Kingsbury County67
- Hand County66
- Minnehaha County64
- Edmunds County63
- McPherson County63
- Day County60
- Pennington County59
- Spink County58
- Turner County56
- McCook County56
- Charles Mix County55
- Beadle County54
- Hutchinson County53
- Lincoln County52
- Roberts County52
- Sanborn County52
- Clark County51
- Aurora County50
- Marshall County50
- Miner County49
- Union County49
- Codington County48
- Todd County47
- Brookings County46
- Gregory County45
- Jackson County45
- Hanson County42
- Hamlin County41
- Davison County40
- Brule County38
- Dewey County38
- Lake County37
- Fall River County37
- Deuel County36
- Jerauld County36
- Faulk County36
- Grant County35
- Tripp County35
26 more counties
- Bennett County35
- Ziebach County34
- Haakon County34
- Butte County33
- Lyman County33
- Custer County33
- Bon Homme County32
- Clay County32
- Corson County31
- Douglas County31
- Hyde County31
- Yankton County30
- Moody County29
- Potter County28
- Mellette County27
- Perkins County27
- Harding County27
- Hughes County26
- Lawrence County25
- Walworth County24
- Sully County23
- Campbell County23
- Buffalo County22
- Stanley County22
- Jones County15
- Oglala Lakota County8
The latest tornado warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 8:24 PM CDT | Tornado Warning | FSD | Bon Homme, Charles Mix | 36 min |
| Sep 7, 7:37 PM CDT | Tornado Warning | FSD | Charles Mix, Gregory | 38 min |
| Sep 1, 8:48 PM CDT | Tornado Warning | FSD | Clay, Yankton | 27 min |
| Aug 10, 10:27 PM CDT | Tornado Warning | UNR | Meade, Ziebach | 33 min |
| Aug 10, 9:57 PM CDT | Tornado Warning | UNR | Meade, Ziebach | 33 min |
| Jul 2, 6:16 PM CDT | Tornado Warning | ABR | Hamlin | 44 min |
| Jul 2, 6:13 PM CDT | Tornado Warning | FSD | Lake | 32 min |
| Jul 2, 5:37 PM CDT | Tornado Warning | FSD | Beadle, Kingsbury | 23 min |
| Jul 2, 5:35 PM CDT | Tornado Warning | ABR | Clark, Hamlin | 40 min |
| Jul 2, 4:47 PM CDT | Tornado Warning | FSD | Beadle | 43 min |
| Jul 2, 4:46 PM CDT | Tornado Warning | FSD | Beadle, Jerauld, Sanborn | 44 min |
| Jul 2, 4:42 PM CDT | Tornado Warning | FSD | Aurora, Jerauld, Sanborn | 48 min |
Nearby
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.