Red Flag Warnings in South Dakota
680 red flag 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 red flag warnings reaches back to 2005.
Red Flag Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Red Flag Warnings
- 680
- Busiest year
- 202276 red flag warnings
- Average year
- 32over 21 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not 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.
- Fall River County121
- Custer County118
- Oglala Lakota County105
- Pennington County96
- Jackson County95
- Bennett County77
- Meade County73
- Jones County73
- Bon Homme County71
- Yankton County71
- Lyman County68
- Davison County67
- Aurora County66
- Douglas County66
- Gregory County66
- Hutchinson County66
- Stanley County66
- Charles Mix County65
- Dewey County62
- Clay County61
- Union County61
- Corson County60
- Hanson County60
- Mellette County59
- Todd County59
- Jerauld County59
- Brule County58
- Sanborn County57
- Hughes County56
- Turner County56
- Lincoln County55
- Tripp County53
- Haakon County52
- McCook County52
- Butte County50
- Buffalo County50
- Sully County50
- Beadle County49
- Minnehaha County49
- Walworth County48
25 more counties
- Lawrence County47
- Campbell County47
- Miner County47
- Potter County46
- Ziebach County42
- Hand County42
- Hyde County42
- Lake County42
- Perkins County40
- Moody County37
- Faulk County36
- Brookings County35
- Kingsbury County35
- McPherson County35
- Edmunds County34
- Spink County34
- Brown County33
- Clark County32
- Codington County32
- Hamlin County32
- Roberts County32
- Day County31
- Deuel County31
- Grant County31
- Marshall County30
The latest red flag warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 11, 1:36 AM CDT | Red Flag Warning | ABR | Buffalo, Hand, Hughes, Hyde, Jones, Lyman and 1 more | 17 hr |
| Sep 10, 12:12 PM CDT | Red Flag Warning | UNR | Bennett, Custer, Fall River, Jackson, Oglala Lakota, Pennington | 31 hr |
| Sep 8, 9:23 AM CDT | Red Flag Warning | ABR | Campbell, Corson, Dewey, Potter, Sully, Walworth | 10 hr |
| Sep 6, 10:40 PM CDT | Red Flag Warning | UNR | Custer, Fall River | 21 hr |
| Sep 3, 10:19 PM CDT | Red Flag Warning | UNR | Butte | 23 hr |
| Sep 2, 1:22 PM CDT | Red Flag Warning | UNR | Custer, Fall River, Oglala Lakota | 32 hr |
| Aug 10, 2:14 AM CDT | Red Flag Warning | UNR | Custer, Fall River | 19 hr |
| Aug 7, 6:46 PM CDT | Red Flag Warning | UNR | Butte, Lawrence, Meade | 26 hr |
| Aug 5, 12:13 PM CDT | Red Flag Warning | UNR | Butte, Custer, Fall River | 33 hr |
| Aug 2, 1:02 PM CDT | Red Flag Warning | ABR | Corson, Dewey, Jones, Potter, Stanley, Sully | 32 hr |
| Aug 2, 12:19 PM CDT | Red Flag Warning | UNR | Bennett, Butte, Custer, Fall River, Haakon, Jackson and 6 more | 33 hr |
| Jul 24, 10:37 AM CDT | Red Flag Warning | UNR | Bennett, Butte, Custer, Fall River, Haakon, Jackson and 6 more | 34 hr |
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. Warning verification from the Mesonet's Cow. Rebuilt daily.