Alert archive / South Dakota / Red Flag Warnings
Red Flag Warnings in South Dakota, 2025
45 red flag warnings in 2025. 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 in 2025. Tap one for its archive.
- Red Flag Warnings
- 45
- Busiest month
- March17 red flag warnings
- Busiest day
- February 28, 20253 red flag warnings
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 28, 1:33 PM CST | Red Flag Warning | FSD | Bon Homme, Clay, Union, Yankton | 4 hr |
| Feb 25, 2:53 AM CST | Red Flag Warning | ABR | Buffalo, Lyman | 16 hr |
| Feb 25, 2:53 AM CST | Red Flag Warning | FSD | Aurora, Bon Homme, Brule, Charles Mix, Davison, Douglas and 5 more | 16 hr |
| Feb 28, 3:12 AM CST | Red Flag Warning | ABR | Buffalo, Hand, Hughes, Hyde, Jones, Lyman and 2 more | 15 hr |
| Feb 28, 3:20 AM CST | Red Flag Warning | FSD | Aurora, Beadle, Bon Homme, Brule, Charles Mix, Clay and 12 more | 15 hr |
| Feb 28, 3:27 AM CST | Red Flag Warning | UNR | Bennett, Jackson, Mellette, Todd, Tripp | 15 hr |
| Mar 9, 3:11 AM CDT | Red Flag Warning | ABR | Brown, Buffalo, Campbell, Corson, Dewey, Edmunds and 12 more | 16 hr |
| Mar 9, 3:11 AM CDT | Red Flag Warning | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 41 hr |
| Mar 9, 2:08 PM CDT | Red Flag Warning | UNR | Bennett, Butte, Custer, Fall River, Haakon, Jackson and 6 more | 30 hr |
| Mar 10, 2:19 AM CDT | Red Flag Warning | FSD | Aurora, Beadle, Brookings, Brule, Charles Mix, Davison and 7 more | 19 hr |
| Mar 12, 12:47 PM CDT | Red Flag Warning | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 31 hr |
| Mar 12, 2:32 PM CDT | Red Flag Warning | UNR | Bennett, Custer, Fall River, Haakon, Jackson, Mellette and 4 more | 30 hr |
| Mar 12, 2:50 PM CDT | Red Flag Warning | ABR | Buffalo, Clark, Codington, Deuel, Hamlin, Hand and 7 more | 29 hr |
| Mar 16, 3:43 AM CDT | Red Flag Warning | UNR | Bennett, Butte, Custer, Fall River, Haakon, Jackson and 5 more | 16 hr |
| Mar 17, 3:23 AM CDT | Red Flag Warning | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 16 hr |
| Mar 17, 4:04 AM CDT | Red Flag Warning | UNR | Bennett, Custer, Fall River, Jackson, Mellette, Oglala Lakota and 3 more | 16 hr |
| Mar 20, 3:19 AM CDT | Red Flag Warning | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 17 more | 16 hr |
| Mar 20, 3:21 AM CDT | Red Flag Warning | UNR | Bennett, Fall River, Jackson, Mellette, Oglala Lakota, Pennington and 2 more | 16 hr |
| Mar 20, 3:51 AM CDT | Red Flag Warning | ABR | Brown, Buffalo, Clark, Codington, Day, Deuel and 12 more | 15 hr |
| Mar 21, 2:20 PM CDT | Red Flag Warning | ABR | Buffalo, Hand, Hughes, Hyde, Jones, Lyman and 1 more | 30 hr |
| Mar 21, 2:44 PM CDT | Red Flag Warning | FSD | Aurora, Beadle, Bon Homme, Brule, Charles Mix, Davison and 8 more | 29 hr |
| Mar 23, 12:30 PM CDT | Red Flag Warning | FSD | Aurora, Bon Homme, Clay, Davison, Douglas, Hanson and 4 more | 8 hr |
| Mar 28, 3:43 AM CDT | Red Flag Warning | FSD | Clay, Lincoln, Minnehaha, Turner, Union, Yankton | 16 hr |
| Apr 9, 2:00 AM CDT | Red Flag Warning | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 16 more | 18 hr |
| Apr 9, 2:23 AM CDT | Red Flag Warning | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 18 hr |
| Apr 10, 2:02 AM CDT | Red Flag Warning | ABR | Buffalo, Campbell, Corson, Dewey, Hand, Hughes and 7 more | 18 hr |
| Apr 10, 2:36 AM CDT | Red Flag Warning | FSD | Aurora, Beadle, Bon Homme, Brule, Charles Mix, Davison and 7 more | 17 hr |
| Apr 10, 2:43 AM CDT | Red Flag Warning | UNR | Bennett, Haakon, Jackson, Meade, Mellette, Oglala Lakota and 5 more | 17 hr |
| Apr 11, 1:11 PM CDT | Red Flag Warning | ABR | Campbell, Corson, Dewey, Hughes, Jones, Lyman and 4 more | 7 hr |
| Apr 13, 2:27 AM CDT | Red Flag Warning | ABR | Buffalo, Hand, Hughes, Hyde, Jones, Lyman and 2 more | 18 hr |
| Apr 13, 2:46 AM CDT | Red Flag Warning | FSD | Aurora, Beadle, Bon Homme, Brule, Charles Mix, Clay and 15 more | 19 hr |
| Apr 13, 3:05 AM CDT | Red Flag Warning | UNR | Bennett, Custer, Fall River, Haakon, Jackson, Mellette and 4 more | 17 hr |
| Apr 14, 3:12 AM CDT | Red Flag Warning | FSD | Bon Homme, Charles Mix, Clay, Gregory, Union, Yankton | 17 hr |
| May 10, 2:14 AM CDT | Red Flag Warning | ABR | Brown, Campbell, Clark, Corson, Day, Dewey and 9 more | 18 hr |
| May 10, 2:14 AM CDT | Red Flag Warning | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 67 hr |
| May 10, 2:05 PM CDT | Red Flag Warning | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 32 hr |
| May 11, 9:50 PM CDT | Red Flag Warning | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 23 hr |
| May 13, 3:33 AM CDT | Red Flag Warning | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 18 more | 17 hr |
| May 13, 3:45 AM CDT | Red Flag Warning | ABR | Brown, Buffalo, Clark, Codington, Day, Deuel and 9 more | 17 hr |
| Aug 7, 3:11 AM CDT | Red Flag Warning | UNR | Custer, Fall River | 18 hr |
| Oct 2, 2:06 PM CDT | Red Flag Warning | UNR | Custer, Fall River, Jackson, Meade, Oglala Lakota, Pennington | 30 hr |
| Oct 3, 3:01 AM CDT | Red Flag Warning | ABR | Jones, Lyman, Stanley | 17 hr |
| Nov 4, 1:53 AM CST | Red Flag Warning | UNR | Bennett, Custer, Fall River, Jackson, Oglala Lakota, Pennington | 16 hr |
| Nov 13, 2:29 PM CST | Red Flag Warning | UNR | Bennett, Custer, Fall River, Jackson, Mellette, Oglala Lakota and 3 more | 28 hr |
| Nov 14, 2:25 AM CST | Red Flag Warning | FSD | Gregory | 16 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bon Homme County15
- Yankton County15
- Aurora County14
- Charles Mix County14
- Davison County14
- Douglas County14
- Gregory County14
- Clay County13
- Lyman County13
- Brule County13
- Hanson County13
- Hutchinson County13
- Jerauld County13
- Sanborn County13
- Union County12
- Buffalo County12
- Hand County12
- Jones County12
- Stanley County12
- Beadle County12
- Turner County11
- Jackson County11
- Hughes County10
- Hyde County10
- Lincoln County10
- Bennett County10
- Fall River County10
- Oglala Lakota County10
- Pennington County10
- Miner County10
- Sully County9
- McCook County9
- Custer County9
- Lake County9
- Minnehaha County9
- Spink County8
- Brookings County8
- Kingsbury County8
- Moody County8
- Mellette County7
25 more counties
- Todd County7
- Tripp County7
- Brown County7
- Campbell County7
- Corson County7
- Dewey County7
- Edmunds County7
- Faulk County7
- McPherson County7
- Walworth County7
- Clark County7
- Potter County6
- Codington County6
- Deuel County6
- Hamlin County6
- Day County5
- Marshall County5
- Roberts County5
- Haakon County5
- Grant County4
- Meade County4
- Ziebach County3
- Butte County2
- Lawrence County2
- Perkins County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
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.