Weather alerts in South Dakota, 1999
714 weather alerts in 1999, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 1999. Tap one for its archive.
- Alerts
- 714
- Warnings
- 651
- Watches
- 63
- Advisories
- 0
- Busiest month
- June295 alerts
- Busiest day
- June 8, 199954 alerts
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 |
|---|---|---|---|---|
| May 3, 5:49 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 46 min |
| May 3, 6:15 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Brown, Buffalo, Campbell, Dewey, Edmunds and 16 more | 5 hr |
| May 3, 7:34 PM CDT | Flash Flood Warning | ABR | Dewey | 3 hr |
| May 3, 9:00 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bon Homme, Brookings, Charles Mix, Clay and 17 more | 5 hr |
| May 3, 9:11 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 34 min |
| May 3, 9:23 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 32 min |
| May 3, 9:40 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix | 50 min |
| May 3, 9:49 PM CDT | Tornado Warning | FSD | Yankton | 31 min |
| May 3, 9:54 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 36 min |
| May 3, 10:11 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 34 min |
| May 3, 10:22 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, Yankton | 38 min |
| May 3, 10:27 PM CDT | Tornado Warning | FSD | Clay | 33 min |
| May 3, 10:33 PM CDT | Severe Thunderstorm Warning | FSD | Douglas | 47 min |
| May 3, 10:46 PM CDT | Tornado Warning | FSD | Clay | 34 min |
| May 3, 10:56 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 64 min |
| May 3, 11:00 PM CDT | Severe Thunderstorm Warning | FSD | Turner | 35 min |
| May 3, 11:47 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 33 min |
| May 9, 4:30 PM CDT | Tornado Watch | SPC | Aurora, Bennett, Brule, Charles Mix, Davison, Douglas and 5 more | 6 hr |
| May 9, 5:27 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 33 min |
| May 9, 5:53 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Grant | 32 min |
| May 9, 6:25 PM CDT | Severe Thunderstorm Warning | ABR | Grant, Roberts | 45 min |
| May 9, 7:00 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 50 min |
| May 9, 7:13 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 47 min |
| May 9, 7:21 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 34 min |
| May 9, 7:25 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 50 min |
| May 9, 7:32 PM CDT | Tornado Warning | UNR | Tripp | 33 min |
| May 9, 7:39 PM CDT | Tornado Warning | UNR | Mellette | 31 min |
| May 9, 7:40 PM CDT | Tornado Warning | ABR | Lyman | 65 min |
| May 9, 7:47 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd | 63 min |
| May 9, 7:55 PM CDT | Tornado Warning | UNR | Mellette, Todd | 50 min |
| May 9, 8:19 PM CDT | Tornado Warning | UNR | Mellette | 61 min |
| May 9, 8:37 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Sully | 33 min |
| May 9, 8:38 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 47 min |
| May 9, 8:44 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman, Stanley | 46 min |
| May 9, 8:49 PM CDT | Tornado Warning | UNR | Todd | 46 min |
| May 9, 9:05 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 35 min |
| May 9, 9:16 PM CDT | Flash Flood Warning | ABR | Lyman | 6 hr |
| May 9, 9:26 PM CDT | Tornado Warning | ABR | Lyman | 49 min |
| May 9, 9:31 PM CDT | Tornado Warning | UNR | Todd | 34 min |
| May 9, 9:43 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo | 32 min |
| May 9, 9:56 PM CDT | Flash Flood Warning | UNR | Mellette, Todd | 4 hr |
| May 9, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bennett, Brookings, Brule, Buffalo and 29 more | 6 hr |
| May 9, 10:04 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 66 min |
| May 9, 10:17 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hand, Hyde | 48 min |
| May 9, 10:17 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 48 min |
| May 9, 10:42 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 33 min |
| May 9, 11:11 PM CDT | Flash Flood Warning | UNR | Tripp | 4 hr |
| May 10, 1:56 AM CDT | Severe Thunderstorm Warning | FSD | Gregory | 34 min |
| May 10, 2:23 AM CDT | Flash Flood Warning | UNR | Tripp | 6 hr |
| May 10, 2:28 AM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 37 min |
| May 10, 2:45 AM CDT | Severe Thunderstorm Warning | FSD | Gregory | 35 min |
| May 10, 3:02 AM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 18 min |
| May 10, 3:20 AM CDT | Severe Thunderstorm Warning | FSD | Brule, Charles Mix | 35 min |
| May 10, 3:27 AM CDT | Severe Thunderstorm Warning | FSD | Aurora | 33 min |
| May 13, 5:15 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Haakon, Jackson, Jones, Mellette, Oglala Lakota and 2 more | 6 hr |
| May 13, 6:07 PM CDT | Severe Thunderstorm Warning | UNR | Haakon | 63 min |
| May 13, 6:48 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 62 min |
| May 15, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Butte, Custer, Fall River, Harding, Lawrence, Meade and 3 more | 6 hr |
| May 15, 4:41 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 49 min |
| May 15, 5:31 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 49 min |
| May 15, 5:46 PM CDT | Tornado Warning | UNR | Butte | 49 min |
| May 15, 6:02 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 48 min |
| May 15, 11:47 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 48 min |
| May 16, 6:00 AM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Clay, Douglas, Hutchinson, Lincoln, Turner and 2 more | 5 hr |
| May 16, 8:28 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Yankton | 32 min |
| May 16, 8:57 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Union | 33 min |
| May 20, 1:12 AM CDT | Severe Thunderstorm Warning | UNR | Todd | 43 min |
| May 21, 2:53 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 47 min |
| May 21, 3:00 PM CDT | Severe Thunderstorm Watch | SPC | Butte, Corson, Custer, Fall River, Haakon, Harding and 6 more | 6 hr |
| May 21, 3:36 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 29 min |
| May 21, 4:03 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 62 min |
| May 21, 4:07 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 63 min |
| May 21, 4:19 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 46 min |
| May 21, 5:04 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 61 min |
| May 21, 5:12 PM CDT | Tornado Warning | UNR | Meade, Pennington | 28 min |
| May 21, 5:22 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 48 min |
| May 21, 5:43 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 62 min |
| May 21, 6:07 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 63 min |
| May 21, 6:11 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Perkins | 64 min |
| May 21, 6:19 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 66 min |
| May 21, 6:34 PM CDT | Tornado Warning | UNR | Pennington | 36 min |
| May 21, 6:46 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 64 min |
| May 21, 6:51 PM CDT | Tornado Warning | UNR | Fall River | 34 min |
| May 21, 7:01 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 59 min |
| May 22, 7:17 AM CDT | Severe Thunderstorm Warning | UNR | Custer | 48 min |
| May 22, 8:07 AM CDT | Severe Thunderstorm Warning | UNR | Custer | 63 min |
| May 22, 8:13 AM CDT | Severe Thunderstorm Warning | UNR | 62 min | |
| May 22, 11:12 AM CDT | Severe Thunderstorm Warning | UNR | Tripp | 58 min |
| May 22, 11:39 AM CDT | Severe Thunderstorm Warning | FSD | Gregory | 51 min |
| May 22, 11:45 AM CDT | Severe Thunderstorm Warning | ABR | Lyman | 20 min |
| May 22, 11:55 AM CDT | Severe Thunderstorm Warning | UNR | Todd | 60 min |
| May 22, 12:06 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 19 min |
| May 22, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Charles Mix, Clay, Douglas, Gregory, Hutchinson and 5 more | 7 hr |
| May 22, 2:14 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Douglas | 46 min |
| May 22, 2:20 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 40 min |
| May 22, 2:49 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson | 41 min |
| May 22, 5:07 PM CDT | Tornado Warning | FSD | Union | 38 min |
| May 26, 3:49 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 31 min |
| May 26, 4:45 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 35 min |
| May 26, 5:25 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 50 min |
| May 26, 5:40 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 50 min |
| May 26, 6:25 PM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 35 min |
| May 26, 6:29 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 51 min |
| May 26, 7:06 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 49 min |
| May 29, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Butte, Custer, Fall River, Haakon, Harding and 7 more | 6 hr |
| May 30, 1:35 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha, Turner | 30 min |
| May 30, 2:05 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 30 min |
| May 30, 2:29 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 36 min |
| May 30, 2:52 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Moody | 33 min |
| May 30, 2:57 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 33 min |
| Jun 2, 9:02 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 58 min |
| Jun 2, 9:22 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 48 min |
| Jun 2, 9:36 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade | 49 min |
| Jun 2, 10:45 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 35 min |
| Jun 3, 4:30 AM CDT | Severe Thunderstorm Warning | UNR | Tripp | 40 min |
| Jun 3, 5:34 PM CDT | Tornado Watch | SPC | Bennett, Buffalo, Campbell, Corson, Dewey, Edmunds and 16 more | 5 hr |
| Jun 3, 9:46 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 44 min |
| Jun 3, 11:00 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Bon Homme, Brule, Charles Mix, Clay, Douglas and 10 more | 6 hr |
| Jun 4, 1:08 AM CDT | Severe Thunderstorm Warning | FSD | Gregory | 37 min |
| Jun 4, 1:41 AM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 64 min |
| Jun 4, 1:57 AM CDT | Severe Thunderstorm Warning | UNR | Todd | 48 min |
| Jun 4, 2:30 AM CDT | Severe Thunderstorm Watch | SPC | Aurora, Bon Homme, Brule, Charles Mix, Clay, Davison and 14 more | 7 hr |
| Jun 4, 2:38 AM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 52 min |
| Jun 4, 3:29 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix | 31 min |
| Jun 4, 3:58 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 32 min |
| Jun 4, 4:30 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Yankton | 30 min |
| Jun 4, 3:30 PM CDT | Tornado Watch | SPC | Beadle, Brown, Clark, Day, Edmunds, Faulk and 10 more | 6 hr |
| Jun 4, 4:00 PM CDT | Tornado Watch | SPC | Bennett, Brule, Buffalo, Fall River, Haakon, Jackson and 8 more | 5 hr |
| Jun 4, 5:59 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 46 min |
| Jun 4, 6:15 PM CDT | Tornado Watch | SPC | Butte, Custer, Fall River, Lawrence, Meade, Oglala Lakota and 1 more | 7 hr |
| Jun 4, 6:35 PM CDT | Tornado Warning | UNR | Fall River | 35 min |
| Jun 4, 6:45 PM CDT | Tornado Watch | SPC | Bennett, Buffalo, Gregory, Haakon, Hughes, Hyde and 9 more | 6 hr |
| Jun 4, 7:04 PM CDT | Severe Thunderstorm Warning | UNR | 46 min | |
| Jun 4, 7:24 PM CDT | Tornado Warning | UNR | 36 min | |
| Jun 4, 7:52 PM CDT | Tornado Warning | UNR | 48 min | |
| Jun 4, 8:22 PM CDT | Flash Flood Warning | UNR | 4 hr | |
| Jun 4, 8:36 PM CDT | Tornado Warning | UNR | 44 min | |
| Jun 4, 8:46 PM CDT | Tornado Warning | UNR | Jackson | 59 min |
| Jun 4, 9:10 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 30 min |
| Jun 4, 9:24 PM CDT | Tornado Warning | UNR | Jackson | 46 min |
| Jun 4, 9:40 PM CDT | Flash Flood Warning | UNR | Jackson | 4 hr |
| Jun 4, 9:52 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 68 min |
| Jun 4, 10:01 PM CDT | Tornado Warning | ABR | Jones | 54 min |
| Jun 4, 10:01 PM CDT | Tornado Warning | ABR | Jones | 49 min |
| Jun 4, 10:08 PM CDT | Tornado Warning | UNR | Tripp | 47 min |
| Jun 4, 10:20 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 50 min |
| Jun 4, 10:25 PM CDT | Tornado Warning | ABR | Lyman | 45 min |
| Jun 4, 10:29 PM CDT | Severe Thunderstorm Warning | FSD | Brule, Gregory | 31 min |
| Jun 4, 10:53 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hyde | 62 min |
| Jun 4, 10:53 PM CDT | Severe Thunderstorm Warning | ABR | Hughes | 62 min |
| Jun 4, 10:58 PM CDT | Severe Thunderstorm Warning | ABR | Stanley, Sully | 62 min |
| Jun 4, 11:00 PM CDT | Tornado Warning | FSD | Gregory | 45 min |
| Jun 4, 11:05 PM CDT | Tornado Warning | FSD | Brule | 25 min |
| Jun 4, 11:10 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 65 min |
| Jun 4, 11:15 PM CDT | Tornado Watch | SPC | Aurora, Beadle, Bennett, Bon Homme, Brookings, Brule and 38 more | 6 hr |
| Jun 4, 11:19 PM CDT | Tornado Warning | ABR | Hughes, Sully | 36 min |
| Jun 4, 11:25 PM CDT | Tornado Warning | FSD | Charles Mix | 35 min |
| Jun 4, 11:38 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Spink | 62 min |
| Jun 4, 11:38 PM CDT | Severe Thunderstorm Warning | ABR | Potter | 62 min |
| Jun 4, 11:43 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Jerauld | 47 min |
| Jun 5, 12:02 AM CDT | Severe Thunderstorm Warning | ABR | Hand, Hyde | 33 min |
| Jun 5, 12:05 AM CDT | Tornado Warning | FSD | Aurora, Jerauld, Sanborn | 25 min |
| Jun 5, 12:28 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds | 57 min |
| Jun 5, 12:37 AM CDT | Severe Thunderstorm Warning | ABR | Faulk, Spink | 33 min |
| Jun 5, 12:51 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Day | 64 min |
| Jun 5, 1:15 AM CDT | Severe Thunderstorm Watch | SPC | Brown, Day, Edmunds, Grant, Marshall, Roberts | 6 hr |
| Jun 5, 1:23 AM CDT | Severe Thunderstorm Warning | ABR | Brown | 32 min |
| Jun 5, 1:29 AM CDT | Severe Thunderstorm Warning | ABR | Marshall | 61 min |
| Jun 5, 1:35 AM CDT | Severe Thunderstorm Warning | ABR | Codington | 50 min |
| Jun 5, 1:48 AM CDT | Severe Thunderstorm Warning | ABR | Grant, Roberts | 47 min |
| Jun 5, 1:50 AM CDT | Severe Thunderstorm Warning | ABR | Deuel | 50 min |
| Jun 5, 2:08 AM CDT | Severe Thunderstorm Warning | FSD | Brookings | 32 min |
| Jun 5, 4:00 PM CDT | Tornado Watch | SPC | Bennett, Butte, Custer, Fall River, Lawrence, Meade and 2 more | 6 hr |
| Jun 5, 4:15 PM CDT | Tornado Watch | SPC | Aurora, Beadle, Bon Homme, Brookings, Brule, Buffalo and 28 more | 7 hr |
| Jun 5, 4:24 PM CDT | Severe Thunderstorm Warning | FSD | Union | 36 min |
| Jun 5, 4:39 PM CDT | Tornado Warning | FSD | Union | 36 min |
| Jun 5, 5:04 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 41 min |
| Jun 5, 5:09 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 31 min |
| Jun 5, 5:38 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Union | 37 min |
| Jun 5, 6:05 PM CDT | Severe Thunderstorm Warning | FSD | Turner, Yankton | 50 min |
| Jun 5, 6:14 PM CDT | Tornado Warning | UNR | Bennett | 51 min |
| Jun 5, 6:20 PM CDT | Tornado Warning | UNR | 65 min | |
| Jun 5, 6:21 PM CDT | Severe Thunderstorm Warning | FSD | Union | 34 min |
| Jun 5, 6:27 PM CDT | Tornado Warning | FSD | Union | 33 min |
| Jun 5, 6:53 PM CDT | Severe Thunderstorm Warning | FSD | McCook, Minnehaha | 32 min |
| Jun 5, 7:02 PM CDT | Tornado Warning | UNR | Jackson | 63 min |
| Jun 5, 7:05 PM CDT | Tornado Warning | UNR | Bennett | 35 min |
| Jun 5, 7:12 PM CDT | Tornado Warning | UNR | 63 min | |
| Jun 5, 7:19 PM CDT | Severe Thunderstorm Warning | FSD | Lake | 31 min |
| Jun 5, 7:38 PM CDT | Tornado Warning | UNR | Jackson | 62 min |
| Jun 5, 7:46 PM CDT | Tornado Warning | FSD | Kingsbury, Miner | 34 min |
| Jun 5, 7:46 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 64 min |
| Jun 5, 7:58 PM CDT | Tornado Warning | ABR | Hamlin | 32 min |
| Jun 5, 8:15 PM CDT | Severe Thunderstorm Warning | UNR | 60 min | |
| Jun 5, 8:16 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 64 min |
| Jun 5, 8:20 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 50 min |
| Jun 5, 8:26 PM CDT | Tornado Warning | UNR | Haakon | 64 min |
| Jun 5, 8:30 PM CDT | Tornado Warning | ABR | Codington, Hamlin | 50 min |
| Jun 5, 8:37 PM CDT | Tornado Warning | UNR | Jackson | 63 min |
| Jun 5, 8:57 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 48 min |
| Jun 5, 9:00 PM CDT | Tornado Watch | SPC | Aurora, Beadle, Bennett, Bon Homme, Brookings, Brule and 43 more | 5 hr |
| Jun 5, 9:00 PM CDT | Flash Flood Warning | UNR | Haakon, Jackson | 6 hr |
| Jun 5, 9:06 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo | 49 min |
| Jun 5, 9:06 PM CDT | Tornado Warning | UNR | Todd | 49 min |
| Jun 5, 9:12 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 63 min |
| Jun 5, 9:16 PM CDT | Tornado Warning | FSD | Gregory | 44 min |
| Jun 5, 9:18 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 47 min |
| Jun 5, 9:23 PM CDT | Severe Thunderstorm Warning | UNR | Haakon | 62 min |
| Jun 5, 9:25 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 35 min |
| Jun 5, 9:27 PM CDT | Severe Thunderstorm Warning | ABR | Stanley | 63 min |
| Jun 5, 9:36 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 49 min |
| Jun 5, 9:48 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo | 47 min |
| Jun 5, 9:55 PM CDT | Flash Flood Warning | ABR | Buffalo | 4 hr |
| Jun 5, 9:58 PM CDT | Severe Thunderstorm Warning | ABR | Hamlin | 47 min |
| Jun 5, 10:09 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 36 min |
| Jun 5, 10:11 PM CDT | Severe Thunderstorm Warning | ABR | Codington | 49 min |
| Jun 5, 10:15 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Jerauld | 45 min |
| Jun 5, 10:17 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 48 min |
| Jun 5, 10:26 PM CDT | Severe Thunderstorm Warning | UNR | Haakon | 34 min |
| Jun 5, 10:44 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins, Ziebach | 51 min |
| Jun 5, 10:56 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 49 min |
| Jun 6, 1:12 AM CDT | Severe Thunderstorm Warning | ABR | Roberts | 48 min |
| Jun 6, 2:34 AM CDT | Severe Thunderstorm Warning | ABR | Corson | 61 min |
| Jun 7, 5:57 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 33 min |
| Jun 7, 6:01 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 64 min |
| Jun 7, 6:15 PM CDT | Tornado Watch | SPC | Aurora, Bennett, Brule, Buffalo, Butte, Charles Mix and 25 more | 6 hr |
| Jun 7, 6:47 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 48 min |
| Jun 7, 6:57 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 33 min |
| Jun 7, 7:07 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 43 min |
| Jun 7, 7:13 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 47 min |
| Jun 7, 7:33 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 32 min |
| Jun 7, 7:40 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 50 min |
| Jun 7, 7:42 PM CDT | Severe Thunderstorm Warning | ABR | Hughes | 33 min |
| Jun 7, 7:44 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 46 min |
| Jun 7, 7:50 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 25 min |
| Jun 7, 7:54 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 61 min |
| Jun 7, 8:09 PM CDT | Tornado Warning | FSD | Brule, Charles Mix | 36 min |
| Jun 7, 8:22 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 63 min |
| Jun 7, 8:31 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 19 min |
| Jun 7, 8:39 PM CDT | Tornado Warning | FSD | Aurora | 36 min |
| Jun 7, 8:45 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 45 min |
| Jun 7, 9:08 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury | 52 min |
| Jun 7, 9:12 PM CDT | Tornado Warning | FSD | Aurora | 48 min |
| Jun 7, 9:15 PM CDT | Severe Thunderstorm Watch | SPC | Beadle, Bon Homme, Brookings, Clark, Codington, Davison and 17 more | 6 hr |
| Jun 7, 9:16 PM CDT | Severe Thunderstorm Warning | FSD | Brule, Charles Mix, Gregory | 44 min |
| Jun 7, 9:24 PM CDT | Tornado Warning | FSD | Davison | 51 min |
| Jun 7, 9:58 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Hamlin | 47 min |
| Jun 7, 10:06 PM CDT | Severe Thunderstorm Warning | FSD | Hanson | 39 min |
| Jun 7, 10:09 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 31 min |
| Jun 7, 10:13 PM CDT | Severe Thunderstorm Warning | FSD | Davison | 47 min |
| Jun 7, 10:18 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 42 min |
| Jun 7, 10:19 PM CDT | Severe Thunderstorm Warning | ABR | Codington | 61 min |
| Jun 7, 10:22 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson | 53 min |
| Jun 7, 10:26 PM CDT | Tornado Warning | FSD | McCook | 49 min |
| Jun 7, 10:28 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 47 min |
| Jun 7, 10:35 PM CDT | Severe Thunderstorm Warning | FSD | Miner | 40 min |
| Jun 7, 10:40 PM CDT | Tornado Warning | FSD | Lake, Miner | 50 min |
| Jun 7, 10:43 PM CDT | Severe Thunderstorm Warning | FSD | Hanson | 47 min |
| Jun 7, 10:48 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha, Turner | 57 min |
| Jun 7, 11:10 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson | 35 min |
| Jun 7, 11:13 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 32 min |
| Jun 7, 11:14 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 61 min |
| Jun 7, 11:28 PM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 47 min |
| Jun 7, 11:33 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha | 42 min |
| Jun 7, 11:55 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 50 min |
| Jun 8, 12:15 AM CDT | Severe Thunderstorm Watch | SPC | Campbell, Corson, Dewey, Meade, Walworth, Ziebach | 5 hr |
| Jun 8, 12:16 AM CDT | Severe Thunderstorm Warning | UNR | Meade, Ziebach | 49 min |
| Jun 8, 12:47 AM CDT | Severe Thunderstorm Warning | ABR | Dewey | 63 min |
| Jun 8, 1:03 AM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 62 min |
| Jun 8, 1:19 AM CDT | Severe Thunderstorm Warning | ABR | Corson | 61 min |
| Jun 8, 1:39 AM CDT | Severe Thunderstorm Warning | ABR | Clark | 61 min |
| Jun 8, 1:41 AM CDT | Severe Thunderstorm Warning | FSD | Hanson | 34 min |
| Jun 8, 1:57 AM CDT | Tornado Warning | FSD | Hanson, McCook, Miner | 33 min |
| Jun 8, 2:09 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, Walworth | 46 min |
| Jun 8, 2:17 AM CDT | Severe Thunderstorm Warning | FSD | Lake | 28 min |
| Jun 8, 2:41 AM CDT | Severe Thunderstorm Warning | FSD | Lake | 34 min |
| Jun 8, 3:55 AM CDT | Severe Thunderstorm Warning | ABR | Brown | 45 min |
| Jun 8, 5:11 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 44 min |
| Jun 8, 3:30 PM CDT | Tornado Watch | SPC | Harding, Perkins | 7 hr |
| Jun 8, 5:08 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 62 min |
| Jun 8, 6:00 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 60 min |
| Jun 8, 6:07 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 63 min |
| Jun 8, 7:00 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 65 min |
| Jun 8, 7:06 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 49 min |
| Jun 8, 7:30 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 50 min |
| Jun 8, 7:32 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 63 min |
| Jun 8, 7:45 PM CDT | Tornado Watch | SPC | Bennett, Campbell, Corson, Dewey, Edmunds, Fall River and 20 more | 6 hr |
| Jun 8, 7:51 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 49 min |
| Jun 8, 7:54 PM CDT | Tornado Warning | ABR | Corson | 66 min |
| Jun 8, 7:55 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 35 min |
| Jun 8, 8:15 PM CDT | Severe Thunderstorm Warning | FSD | Turner | 30 min |
| Jun 8, 8:21 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 49 min |
| Jun 8, 9:05 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 35 min |
| Jun 8, 9:33 PM CDT | Tornado Warning | ABR | Corson | 32 min |
| Jun 8, 10:18 PM CDT | Severe Thunderstorm Warning | FSD | Brule, Jerauld | 42 min |
| Jun 8, 10:24 PM CDT | Severe Thunderstorm Warning | UNR | Haakon | 61 min |
| Jun 8, 10:42 PM CDT | Severe Thunderstorm Warning | FSD | Jerauld | 33 min |
| Jun 8, 10:56 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 64 min |
| Jun 8, 10:56 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 34 min |
| Jun 8, 11:00 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bon Homme, Brookings, Brown, Brule and 31 more | 6 hr |
| Jun 8, 11:25 PM CDT | Severe Thunderstorm Warning | UNR | Haakon | 60 min |
| Jun 8, 11:35 PM CDT | Severe Thunderstorm Warning | ABR | Hamlin | 50 min |
| Jun 8, 11:45 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 50 min |
| Jun 8, 11:58 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 62 min |
| Jun 9, 12:24 AM CDT | Severe Thunderstorm Warning | ABR | Brown | 66 min |
| Jun 9, 12:40 AM CDT | Flash Flood Warning | FSD | Douglas, Hutchinson | 110 min |
| Jun 9, 12:55 AM CDT | Severe Thunderstorm Warning | ABR | Codington | 65 min |
| Jun 9, 12:57 AM CDT | Severe Thunderstorm Warning | ABR | Deuel | 63 min |
| Jun 9, 1:00 AM CDT | Severe Thunderstorm Warning | UNR | Meade | 65 min |
| Jun 9, 1:03 AM CDT | Severe Thunderstorm Warning | ABR | Grant | 62 min |
| Jun 9, 1:46 AM CDT | Severe Thunderstorm Warning | UNR | Butte | 34 min |
| Jun 9, 1:52 AM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 58 min |
| Jun 9, 2:02 AM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 63 min |
| Jun 9, 2:05 AM CDT | Severe Thunderstorm Warning | ABR | Grant | 50 min |
| Jun 9, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Brookings, Clay, Codington, Deuel, Grant, Hamlin and 6 more | 6 hr |
| Jun 12, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Custer, Fall River, Lawrence, Meade, Pennington | 6 hr |
| Jun 12, 5:44 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 31 min |
| Jun 12, 6:10 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 65 min |
| Jun 12, 6:29 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 61 min |
| Jun 12, 6:54 PM CDT | Severe Thunderstorm Warning | UNR | 61 min | |
| Jun 12, 7:12 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 63 min |
| Jun 12, 7:29 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 36 min |
| Jun 12, 7:56 PM CDT | Severe Thunderstorm Warning | UNR | 49 min | |
| Jun 12, 7:57 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 63 min |
| Jun 12, 8:03 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 47 min |
| Jun 12, 8:43 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 62 min |
| Jun 12, 9:25 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 65 min |
| Jun 13, 2:25 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 50 min |
| Jun 13, 2:30 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 50 min |
| Jun 13, 5:44 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 51 min |
| Jun 13, 6:15 PM CDT | Tornado Warning | ABR | Corson | 35 min |
| Jun 14, 5:00 PM CDT | Severe Thunderstorm Watch | SPC | Custer, Fall River, Oglala Lakota | 5 hr |
| Jun 17, 9:10 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 50 min |
| Jun 18, 3:21 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 29 min |
| Jun 18, 4:19 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 61 min |
| Jun 18, 4:53 PM CDT | Flash Flood Warning | UNR | Custer, Fall River | 4 hr |
| Jun 18, 5:15 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 50 min |
| Jun 18, 5:22 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding | 63 min |
| Jun 18, 6:28 PM CDT | Flash Flood Warning | UNR | Pennington | 4 hr |
| Jun 18, 9:50 PM CDT | Flash Flood Warning | UNR | Custer | 10 hr |
| Jun 19, 11:15 PM CDT | Severe Thunderstorm Watch | SPC | Butte, Haakon, Jackson, Lawrence, Meade, Pennington and 1 more | 6 hr |
| Jun 19, 11:37 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 48 min |
| Jun 20, 12:22 AM CDT | Severe Thunderstorm Warning | UNR | Butte | 43 min |
| Jun 20, 12:31 AM CDT | Severe Thunderstorm Warning | UNR | Meade | 64 min |
| Jun 20, 6:39 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 36 min |
| Jun 20, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Harding, Perkins | 4 hr |
| Jun 20, 10:47 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 58 min |
| Jun 20, 11:45 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 60 min |
| Jun 21, 2:52 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence, Meade | 33 min |
| Jun 21, 3:28 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade | 32 min |
| Jun 22, 2:32 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 48 min |
| Jun 22, 2:37 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Pennington | 33 min |
| Jun 22, 3:11 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 64 min |
| Jun 22, 3:45 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Brookings, Brown, Brule, Buffalo and 33 more | 6 hr |
| Jun 22, 4:13 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 32 min |
| Jun 22, 4:38 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo | 47 min |
| Jun 22, 4:41 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 34 min |
| Jun 22, 4:44 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 31 min |
| Jun 22, 5:26 PM CDT | Flash Flood Warning | FSD | Gregory | 94 min |
| Jun 22, 5:49 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 46 min |
| Jun 22, 5:49 PM CDT | Flash Flood Warning | FSD | Gregory | 46 min |
| Jun 22, 5:49 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 46 min |
| Jun 22, 6:08 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 47 min |
| Jun 22, 6:21 PM CDT | Tornado Warning | FSD | Gregory | 24 min |
| Jun 22, 6:35 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 25 min |
| Jun 22, 6:40 PM CDT | Flash Flood Warning | FSD | Gregory | 2 hr |
| Jun 22, 6:42 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 48 min |
| Jun 22, 6:57 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 18 min |
| Jun 22, 6:59 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 46 min |
| Jun 22, 7:23 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 47 min |
| Jun 22, 7:45 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 45 min |
| Jun 22, 8:00 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 30 min |
| Jun 22, 8:30 PM CDT | Severe Thunderstorm Watch | SPC | Clay | 5 hr |
| Jun 25, 6:02 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 63 min |
| Jun 25, 6:38 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 62 min |
| Jun 25, 6:50 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 60 min |
| Jun 25, 7:44 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 61 min |
| Jun 25, 7:56 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 49 min |
| Jun 25, 10:23 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 47 min |
| Jun 27, 3:51 AM CDT | Severe Thunderstorm Warning | FSD | Union | 34 min |
| Jun 27, 4:23 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Union | 47 min |
| Jun 27, 3:30 PM CDT | Tornado Watch | SPC | Butte, Custer, Fall River, Lawrence | 6 hr |
| Jun 27, 4:34 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 31 min |
| Jun 27, 5:06 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 34 min |
| Jun 27, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Gregory, Jackson, Mellette, Oglala Lakota, Todd and 1 more | 7 hr |
| Jun 27, 6:58 PM CDT | Tornado Warning | UNR | Butte, Lawrence | 32 min |
| Jun 27, 7:18 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 47 min |
| Jun 27, 7:24 PM CDT | Tornado Warning | UNR | Lawrence | 31 min |
| Jun 27, 7:40 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 45 min |
| Jun 27, 8:02 PM CDT | Tornado Warning | UNR | Meade | 33 min |
| Jun 27, 8:17 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 48 min |
| Jun 27, 8:33 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 47 min |
| Jun 27, 8:45 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Brule, Buffalo, Custer, Fall River, Gregory and 16 more | 3 hr |
| Jun 27, 9:02 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 48 min |
| Jun 27, 9:15 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 50 min |
| Jun 27, 9:27 PM CDT | Severe Thunderstorm Warning | UNR | Haakon | 48 min |
| Jun 27, 9:48 PM CDT | Severe Thunderstorm Warning | UNR | 47 min | |
| Jun 27, 9:54 PM CDT | Tornado Warning | UNR | Haakon | 36 min |
| Jun 27, 10:30 PM CDT | Severe Thunderstorm Warning | UNR | 50 min | |
| Jun 27, 11:19 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 31 min |
| Jun 27, 11:35 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 50 min |
| Jun 27, 11:48 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 32 min |
| Jun 29, 3:29 PM CDT | Flash Flood Warning | UNR | Custer | 4 hr |
| Jun 29, 3:52 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 48 min |
| Jun 29, 4:39 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 46 min |
| Jul 2, 12:11 AM CDT | Severe Thunderstorm Warning | UNR | Todd | 34 min |
| Jul 2, 12:39 AM CDT | Severe Thunderstorm Warning | UNR | Mellette | 31 min |
| Jul 2, 1:05 AM CDT | Severe Thunderstorm Warning | UNR | Mellette | 30 min |
| Jul 2, 1:22 AM CDT | Severe Thunderstorm Warning | UNR | Meade | 33 min |
| Jul 2, 1:29 AM CDT | Severe Thunderstorm Warning | UNR | Tripp | 31 min |
| Jul 2, 1:30 AM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bennett, Bon Homme, Brule, Buffalo and 32 more | 6 hr |
| Jul 2, 1:36 AM CDT | Severe Thunderstorm Warning | UNR | Mellette | 34 min |
| Jul 2, 1:40 AM CDT | Severe Thunderstorm Warning | UNR | Haakon, Ziebach | 50 min |
| Jul 2, 1:56 AM CDT | Severe Thunderstorm Warning | UNR | Tripp | 34 min |
| Jul 2, 2:16 AM CDT | Severe Thunderstorm Warning | UNR | Butte | 19 min |
| Jul 2, 2:17 AM CDT | Severe Thunderstorm Warning | FSD | Gregory | 48 min |
| Jul 2, 2:28 AM CDT | Severe Thunderstorm Warning | UNR | Tripp | 32 min |
| Jul 2, 2:56 AM CDT | Severe Thunderstorm Warning | UNR | Tripp | 19 min |
| Jul 2, 3:07 AM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 43 min |
| Jul 2, 3:33 AM CDT | Severe Thunderstorm Warning | ABR | Lyman | 42 min |
| Jul 2, 3:52 AM CDT | Severe Thunderstorm Warning | FSD | Gregory | 33 min |
| Jul 2, 4:20 AM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 35 min |
| Jul 2, 7:45 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Union | 35 min |
| Jul 2, 7:53 AM CDT | Tornado Warning | FSD | Union | 32 min |
| Jul 2, 9:18 AM CDT | Severe Thunderstorm Warning | FSD | Union | 47 min |
| Jul 2, 9:27 AM CDT | Flash Flood Warning | FSD | Union | 2 hr |
| Jul 2, 11:32 AM CDT | Flash Flood Warning | FSD | Union | 58 min |
| Jul 2, 8:30 PM CDT | Tornado Watch | SPC | Bon Homme | 5 hr |
| Jul 2, 9:30 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bennett, Brule, Buffalo, Charles Mix and 28 more | 6 hr |
| Jul 2, 10:33 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 62 min |
| Jul 2, 10:53 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 62 min |
| Jul 2, 11:19 PM CDT | Severe Thunderstorm Warning | UNR | Todd, Tripp | 61 min |
| Jul 2, 11:21 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 59 min |
| Jul 2, 11:51 PM CDT | Severe Thunderstorm Warning | FSD | Douglas | 49 min |
| Jul 3, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bon Homme, Brookings, Brule, Buffalo and 32 more | 5 hr |
| Jul 3, 12:20 AM CDT | Severe Thunderstorm Warning | FSD | Davison, Hutchinson | 60 min |
| Jul 3, 12:20 AM CDT | Severe Thunderstorm Warning | FSD | Aurora | 60 min |
| Jul 3, 12:38 AM CDT | Severe Thunderstorm Warning | FSD | Sanborn | 47 min |
| Jul 3, 12:43 AM CDT | Severe Thunderstorm Warning | FSD | Hanson | 47 min |
| Jul 3, 1:08 AM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury | 62 min |
| Jul 3, 1:37 AM CDT | Severe Thunderstorm Warning | FSD | Brookings, Moody | 48 min |
| Jul 3, 1:41 AM CDT | Severe Thunderstorm Warning | ABR | Deuel, Hamlin | 64 min |
| Jul 3, 1:54 AM CDT | Severe Thunderstorm Warning | ABR | Clark | 31 min |
| Jul 3, 2:05 AM CDT | Severe Thunderstorm Warning | ABR | Grant | 35 min |
| Jul 3, 7:15 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Custer, Fall River, Haakon, Hughes, Jackson and 8 more | 5 hr |
| Jul 3, 7:27 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 48 min |
| Jul 3, 9:40 PM CDT | Severe Thunderstorm Warning | UNR | 50 min | |
| Jul 3, 10:23 PM CDT | Severe Thunderstorm Warning | UNR | 42 min | |
| Jul 3, 10:45 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 65 min |
| Jul 3, 10:59 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 21 min |
| Jul 3, 11:18 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 47 min |
| Jul 3, 11:49 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 51 min |
| Jul 3, 11:56 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 49 min |
| Jul 4, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bennett, Brule, Buffalo, Clark and 21 more | 6 hr |
| Jul 4, 12:11 AM CDT | Severe Thunderstorm Warning | ABR | Jones, Stanley | 64 min |
| Jul 4, 12:17 AM CDT | Severe Thunderstorm Warning | UNR | Haakon | 18 min |
| Jul 4, 1:16 AM CDT | Severe Thunderstorm Warning | UNR | Perkins | 49 min |
| Jul 7, 10:08 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 32 min |
| Jul 7, 10:19 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 36 min |
| Jul 7, 11:19 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, McPherson | 31 min |
| Jul 7, 11:30 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Campbell, Day, McPherson, Marshall, Roberts | 6 hr |
| Jul 7, 11:50 PM CDT | Tornado Warning | ABR | McPherson | 35 min |
| Jul 8, 12:00 AM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 35 min |
| Jul 8, 12:20 AM CDT | Tornado Warning | ABR | Edmunds | 30 min |
| Jul 8, 12:22 AM CDT | Tornado Warning | ABR | Brown | 48 min |
| Jul 8, 12:24 AM CDT | Tornado Warning | ABR | McPherson | 36 min |
| Jul 8, 1:28 AM CDT | Flash Flood Warning | ABR | McPherson | 4 hr |
| Jul 8, 1:46 AM CDT | Severe Thunderstorm Warning | ABR | Brown | 64 min |
| Jul 8, 2:43 AM CDT | Severe Thunderstorm Warning | ABR | Day | 62 min |
| Jul 13, 11:21 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 19 min |
| Jul 15, 1:45 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 45 min |
| Jul 15, 2:18 PM CDT | Severe Thunderstorm Warning | ABR | Potter | 47 min |
| Jul 15, 2:30 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bennett, Brown, Brule, Buffalo and 27 more | 6 hr |
| Jul 15, 3:47 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 48 min |
| Jul 15, 4:54 PM CDT | Severe Thunderstorm Warning | ABR | Hughes | 46 min |
| Jul 15, 5:09 PM CDT | Severe Thunderstorm Warning | ABR | Hyde | 51 min |
| Jul 15, 5:36 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 39 min |
| Jul 15, 6:45 PM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Brookings, Deuel, Grant, Hamlin, Hanson and 10 more | 5 hr |
| Jul 15, 6:48 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 47 min |
| Jul 15, 7:05 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 50 min |
| Jul 15, 7:51 PM CDT | Severe Thunderstorm Warning | FSD | Hanson, Hutchinson | 34 min |
| Jul 15, 8:13 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 32 min |
| Jul 15, 8:13 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 47 min |
| Jul 15, 8:15 PM CDT | Severe Thunderstorm Warning | FSD | Davison | 35 min |
| Jul 15, 8:18 PM CDT | Severe Thunderstorm Warning | FSD | Miner, Sanborn | 32 min |
| Jul 15, 8:42 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 33 min |
| Jul 15, 8:50 PM CDT | Severe Thunderstorm Warning | FSD | Miner | 30 min |
| Jul 15, 9:30 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 50 min |
| Jul 15, 10:37 PM CDT | Severe Thunderstorm Warning | UNR | 58 min | |
| Jul 17, 2:46 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River | 64 min |
| Jul 17, 3:46 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 64 min |
| Jul 17, 5:13 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 62 min |
| Jul 17, 5:20 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 60 min |
| Jul 17, 6:23 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 62 min |
| Jul 17, 7:30 PM CDT | Severe Thunderstorm Warning | UNR | 50 min | |
| Jul 18, 5:57 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 48 min |
| Jul 18, 7:09 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 31 min |
| Jul 18, 7:17 PM CDT | Severe Thunderstorm Warning | FSD | Brule, Charles Mix, Gregory | 43 min |
| Jul 18, 7:59 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 46 min |
| Jul 18, 8:38 PM CDT | Flash Flood Warning | FSD | Brule, Charles Mix, Gregory | 2 hr |
| Jul 19, 1:10 AM CDT | Severe Thunderstorm Warning | FSD | Kingsbury, Miner | 35 min |
| Jul 19, 1:15 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 50 min |
| Jul 19, 1:43 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 47 min |
| Jul 19, 2:31 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 64 min |
| Jul 19, 2:51 PM CDT | Tornado Warning | UNR | Meade | 34 min |
| Jul 19, 4:30 PM CDT | Severe Thunderstorm Watch | SPC | Harding | 6 hr |
| Jul 20, 1:26 AM CDT | Flash Flood Warning | FSD | Clay, Union | 4 hr |
| Jul 20, 1:26 AM CDT | Flash Flood Warning | FSD | Yankton | 4 hr |
| Jul 20, 1:48 AM CDT | Flash Flood Warning | FSD | Douglas | 4 hr |
| Jul 20, 4:25 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 50 min |
| Jul 20, 5:48 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 47 min |
| Jul 21, 1:35 AM CDT | Flash Flood Warning | FSD | Clay, Union | 3 hr |
| Jul 21, 4:34 AM CDT | Flash Flood Warning | FSD | Clay, Union | 86 min |
| Jul 22, 3:59 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 46 min |
| Jul 22, 4:59 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 46 min |
| Jul 22, 5:15 PM CDT | Severe Thunderstorm Watch | SPC | Beadle, Brown, Buffalo, Clark, Codington, Day and 15 more | 6 hr |
| Jul 22, 5:17 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 48 min |
| Jul 22, 5:29 PM CDT | Tornado Warning | ABR | Potter, Sully | 36 min |
| Jul 22, 5:30 PM CDT | Flash Flood Warning | UNR | Mellette, Todd | 5 hr |
| Jul 22, 6:01 PM CDT | Flash Flood Warning | ABR | Sully | 2 hr |
| Jul 22, 6:18 PM CDT | Tornado Warning | ABR | McPherson | 32 min |
| Jul 22, 6:38 PM CDT | Tornado Warning | ABR | McPherson | 32 min |
| Jul 22, 6:50 PM CDT | Tornado Warning | ABR | Edmunds | 35 min |
| Jul 22, 7:12 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 48 min |
| Jul 22, 7:23 PM CDT | Tornado Warning | ABR | Edmunds | 32 min |
| Jul 22, 7:25 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 35 min |
| Jul 22, 7:30 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 65 min |
| Jul 22, 8:00 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 50 min |
| Jul 22, 8:07 PM CDT | Severe Thunderstorm Warning | ABR | Day | 63 min |
| Jul 22, 8:45 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 35 min |
| Jul 22, 8:48 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Hamlin | 62 min |
| Jul 22, 9:00 PM CDT | Severe Thunderstorm Warning | ABR | Grant, Roberts | 65 min |
| Jul 22, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | Deuel | 6 hr |
| Jul 22, 9:54 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 61 min |
| Jul 23, 1:20 AM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 35 min |
| Jul 23, 1:47 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha | 48 min |
| Jul 23, 3:28 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 32 min |
| Jul 23, 4:06 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 19 min |
| Jul 23, 4:26 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson | 34 min |
| Jul 23, 5:00 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 30 min |
| Jul 23, 5:33 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 32 min |
| Jul 23, 6:15 PM CDT | Severe Thunderstorm Watch | SPC | Mellette, Todd, Tripp | 6 hr |
| Jul 23, 6:16 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 49 min |
| Jul 23, 6:33 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 62 min |
| Jul 23, 6:59 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 36 min |
| Jul 23, 7:31 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 29 min |
| Jul 25, 11:00 AM CDT | Tornado Watch | SPC | Brown, Day, Edmunds, Grant, McPherson, Marshall and 1 more | 5 hr |
| Jul 25, 6:37 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 33 min |
| Jul 27, 2:30 PM CDT | Tornado Watch | SPC | Brown, Clark, Codington, Day, Deuel, Faulk and 5 more | 6 hr |
| Jul 27, 3:24 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 51 min |
| Jul 27, 3:44 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 36 min |
| Jul 27, 4:00 PM CDT | Tornado Watch | SPC | Beadle, Bennett, Brule, Buffalo, Hand, Hughes and 10 more | 5 hr |
| Jul 27, 4:03 PM CDT | Tornado Warning | ABR | Brown | 32 min |
| Jul 27, 4:07 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 48 min |
| Jul 27, 4:15 PM CDT | Severe Thunderstorm Warning | ABR | Hyde, Sully | 50 min |
| Jul 27, 4:34 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 46 min |
| Jul 27, 4:48 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 47 min |
| Jul 27, 4:51 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 64 min |
| Jul 27, 4:55 PM CDT | Severe Thunderstorm Warning | UNR | Jackson, Mellette | 65 min |
| Jul 27, 4:58 PM CDT | Severe Thunderstorm Warning | ABR | Faulk | 47 min |
| Jul 27, 5:03 PM CDT | Severe Thunderstorm Warning | ABR | Hand, Hyde | 62 min |
| Jul 27, 5:50 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 50 min |
| Jul 27, 5:55 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 45 min |
| Jul 27, 6:05 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 35 min |
| Jul 27, 6:15 PM CDT | Severe Thunderstorm Warning | ABR | Grant | 50 min |
| Jul 27, 6:23 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 47 min |
| Jul 27, 6:25 PM CDT | Tornado Warning | FSD | Beadle, Kingsbury | 65 min |
| Jul 27, 6:30 PM CDT | Tornado Watch | SPC | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 21 more | 6 hr |
| Jul 27, 8:18 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 32 min |
| Jul 27, 8:29 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 51 min |
| Jul 27, 8:45 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 30 min |
| Jul 27, 9:00 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 35 min |
| Jul 27, 9:27 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Miner | 48 min |
| Jul 29, 6:15 PM CDT | Severe Thunderstorm Warning | ABR | Stanley | 55 min |
| Jul 29, 6:15 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Stanley | 45 min |
| Jul 29, 7:11 PM CDT | Severe Thunderstorm Warning | ABR | Stanley | 29 min |
| Jul 29, 7:16 PM CDT | Flash Flood Warning | ABR | Stanley | 3 hr |
| Jul 29, 7:39 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 46 min |
| Jul 30, 1:35 PM CDT | Severe Thunderstorm Warning | ABR | Codington | 50 min |
| Jul 30, 1:43 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury | 47 min |
| Jul 30, 1:47 PM CDT | Severe Thunderstorm Warning | ABR | Hamlin | 63 min |
| Jul 30, 1:55 PM CDT | Tornado Warning | ABR | Hamlin | 35 min |
| Jul 30, 1:58 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 47 min |
| Jul 30, 2:08 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 47 min |
| Jul 30, 2:18 PM CDT | Severe Thunderstorm Warning | ABR | Hamlin | 47 min |
| Jul 30, 2:22 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 48 min |
| Jul 30, 2:23 PM CDT | Severe Thunderstorm Warning | ABR | Codington | 62 min |
| Aug 6, 8:36 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 34 min |
| Aug 6, 9:07 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 28 min |
| Aug 6, 9:33 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 42 min |
| Aug 7, 1:19 PM CDT | Flash Flood Warning | UNR | Custer | 6 hr |
| Aug 7, 1:44 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 46 min |
| Aug 7, 1:57 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 48 min |
| Aug 9, 12:35 AM CDT | Severe Thunderstorm Warning | ABR | Roberts | 60 min |
| Aug 9, 2:30 AM CDT | Severe Thunderstorm Watch | SPC | Codington, Day, Deuel, Grant, Marshall, Roberts | 6 hr |
| Aug 11, 3:01 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 49 min |
| Aug 11, 3:30 PM CDT | Tornado Watch | SPC | Butte, Corson, Haakon, Harding, Lawrence, Meade and 3 more | 7 hr |
| Aug 11, 3:41 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 49 min |
| Aug 11, 3:59 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 31 min |
| Aug 11, 4:31 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 34 min |
| Aug 11, 4:49 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 51 min |
| Aug 11, 5:04 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 36 min |
| Aug 11, 5:39 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 51 min |
| Aug 11, 7:18 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 47 min |
| Aug 11, 8:44 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 61 min |
| Aug 11, 9:25 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 65 min |
| Aug 11, 10:06 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 64 min |
| Aug 11, 10:07 PM CDT | Tornado Warning | UNR | Perkins | 63 min |
| Aug 11, 10:44 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 61 min |
| Aug 11, 10:45 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Campbell, Corson, Dewey, Edmunds, Faulk and 4 more | 6 hr |
| Aug 11, 11:01 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence | 64 min |
| Aug 11, 11:14 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 66 min |
| Aug 11, 11:34 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 51 min |
| Aug 11, 11:44 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 61 min |
| Aug 12, 12:11 AM CDT | Severe Thunderstorm Warning | ABR | Dewey | 64 min |
| Aug 12, 12:17 AM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 48 min |
| Aug 12, 12:19 AM CDT | Severe Thunderstorm Warning | UNR | Perkins | 66 min |
| Aug 12, 12:44 AM CDT | Severe Thunderstorm Warning | ABR | Corson | 61 min |
| Aug 12, 1:11 AM CDT | Severe Thunderstorm Warning | ABR | Dewey | 64 min |
| Aug 12, 1:27 AM CDT | Tornado Warning | ABR | Dewey | 33 min |
| Aug 12, 1:44 AM CDT | Severe Thunderstorm Warning | ABR | Corson | 61 min |
| Aug 12, 1:47 AM CDT | Severe Thunderstorm Warning | ABR | Walworth | 63 min |
| Aug 12, 2:05 AM CDT | Severe Thunderstorm Warning | ABR | Campbell | 65 min |
| Aug 12, 5:03 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Spink | 47 min |
| Aug 12, 5:26 AM CDT | Tornado Warning | ABR | Brown, Spink | 49 min |
| Aug 14, 3:51 AM CDT | Severe Thunderstorm Warning | UNR | Haakon | 44 min |
| Aug 15, 3:15 PM CDT | Severe Thunderstorm Watch | SPC | Corson, Harding, Perkins | 6 hr |
| Aug 20, 6:10 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 45 min |
| Aug 20, 8:36 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury | 49 min |
| Aug 20, 10:03 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 47 min |
| Aug 20, 10:07 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 33 min |
| Aug 20, 10:26 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 34 min |
| Aug 20, 10:51 PM CDT | Severe Thunderstorm Warning | FSD | Miner | 34 min |
| Aug 20, 11:33 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 62 min |
| Aug 20, 11:33 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 32 min |
| Aug 20, 11:47 PM CDT | Tornado Warning | FSD | Kingsbury | 33 min |
| Aug 21, 2:27 AM CDT | Severe Thunderstorm Warning | FSD | Lake, Moody | 33 min |
| Aug 21, 1:56 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 49 min |
| Aug 22, 5:15 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Clark, Codington, Day, Deuel, Edmunds and 7 more | 6 hr |
| Aug 22, 8:37 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 63 min |
| Aug 22, 8:56 PM CDT | Severe Thunderstorm Warning | ABR | Day, Spink | 64 min |
| Aug 22, 9:16 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 64 min |
| Aug 22, 9:40 PM CDT | Severe Thunderstorm Warning | ABR | Codington | 65 min |
| Aug 22, 9:59 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 66 min |
| Aug 22, 10:20 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 65 min |
| Aug 22, 11:03 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Hamlin | 62 min |
| Aug 27, 3:21 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 64 min |
| Aug 28, 1:07 AM CDT | Severe Thunderstorm Warning | ABR | Day, Marshall | 48 min |
| Aug 28, 1:55 AM CDT | Severe Thunderstorm Warning | ABR | Day | 35 min |
| Aug 28, 2:12 AM CDT | Severe Thunderstorm Warning | ABR | Roberts | 63 min |
| Aug 28, 2:42 AM CDT | Severe Thunderstorm Warning | ABR | Marshall | 63 min |
| Aug 28, 3:29 AM CDT | Severe Thunderstorm Warning | ABR | Grant | 46 min |
| Aug 29, 1:52 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 48 min |
| Aug 29, 2:30 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Butte, Custer, Fall River, Harding, Jackson and 5 more | 7 hr |
| Aug 29, 2:39 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade | 46 min |
| Aug 29, 3:27 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 63 min |
| Aug 29, 4:52 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 63 min |
| Aug 29, 5:36 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 49 min |
| Aug 29, 5:47 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 48 min |
| Aug 29, 6:51 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 49 min |
| Aug 29, 7:42 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 33 min |
| Aug 29, 8:01 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 49 min |
| Aug 29, 8:22 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 58 min |
| Aug 29, 10:34 PM CDT | Severe Thunderstorm Warning | ABR | Hyde | 46 min |
| Aug 30, 12:15 AM CDT | Severe Thunderstorm Warning | UNR | Tripp | 65 min |
| Aug 30, 12:32 AM CDT | Severe Thunderstorm Warning | ABR | Lyman | 63 min |
| Aug 30, 3:28 AM CDT | Severe Thunderstorm Warning | ABR | Jones | 62 min |
| Aug 30, 3:42 AM CDT | Severe Thunderstorm Warning | ABR | Lyman | 63 min |
| Aug 31, 6:04 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 46 min |
| Aug 31, 6:33 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 62 min |
| Aug 31, 6:49 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson | 46 min |
| Sep 1, 10:53 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 47 min |
| Sep 1, 11:13 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 32 min |
| Sep 2, 3:10 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Spink | 45 min |
| Sep 2, 6:45 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Bon Homme, Brule, Buffalo, Charles Mix, Davison and 8 more | 5 hr |
| Sep 2, 7:25 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 35 min |
| Sep 2, 8:40 PM CDT | Severe Thunderstorm Warning | ABR | Faulk | 65 min |
| Sep 2, 10:16 PM CDT | Flash Flood Warning | ABR | Potter, Sully | 6 hr |
| Sep 2, 10:16 PM CDT | Flash Flood Warning | ABR | Faulk | 6 hr |
| Sep 2, 11:01 PM CDT | Flash Flood Warning | ABR | Hughes, Jones, Stanley | 5 hr |
| Sep 2, 11:47 PM CDT | Flash Flood Warning | ABR | Brown, Edmunds | 5 hr |
| Sep 3, 1:09 AM CDT | Flash Flood Warning | ABR | Hyde | 3 hr |
| Sep 3, 4:01 AM CDT | Flash Flood Warning | ABR | Hughes, Jones, Stanley, Sully | 8 hr |
| Sep 3, 4:01 AM CDT | Flash Flood Warning | ABR | Brown, Edmunds, Faulk, Potter | 8 hr |
| Sep 3, 4:01 AM CDT | Flash Flood Warning | ABR | Hyde | 8 hr |
| Sep 3, 11:52 AM CDT | Flash Flood Warning | ABR | Sully | 3 hr |
| Sep 3, 2:44 PM CDT | Flash Flood Warning | ABR | Sully | 6 hr |
| Sep 3, 5:04 PM CDT | Tornado Warning | FSD | Hanson | 31 min |
| Sep 3, 5:31 PM CDT | Tornado Warning | FSD | McCook | 34 min |
| Sep 3, 5:55 PM CDT | Severe Thunderstorm Warning | FSD | Miner | 50 min |
| Sep 3, 6:23 PM CDT | Flash Flood Warning | ABR | Deuel | 6 hr |
| Sep 3, 8:08 PM CDT | Flash Flood Warning | ABR | Codington, Grant | 8 hr |
| Sep 3, 8:08 PM CDT | Flash Flood Warning | ABR | Clark, Hamlin | 8 hr |
| Sep 4, 12:09 AM CDT | Flash Flood Warning | ABR | Deuel | 4 hr |
| Sep 4, 12:46 AM CDT | Flash Flood Warning | FSD | Charles Mix, Gregory | 3 hr |
| Sep 4, 12:46 AM CDT | Flash Flood Warning | FSD | Bon Homme | 3 hr |
| Sep 4, 12:46 AM CDT | Flash Flood Warning | FSD | Douglas | 3 hr |
| Sep 11, 3:23 AM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 32 min |
| Sep 11, 3:36 AM CDT | Severe Thunderstorm Warning | ABR | Dewey | 64 min |
| Sep 11, 4:21 AM CDT | Severe Thunderstorm Warning | ABR | Corson | 64 min |
| Sep 11, 6:57 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, Walworth | 63 min |
| Sep 11, 7:59 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds, McPherson | 61 min |
| Sep 18, 10:15 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo | 65 min |
| Sep 18, 10:34 PM CDT | Severe Thunderstorm Warning | ABR | Hamlin | 66 min |
| Sep 18, 10:52 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 33 min |
| Sep 18, 11:25 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 35 min |
| Sep 25, 7:06 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Stanley | 49 min |
| Sep 25, 7:21 PM CDT | Tornado Warning | ABR | Stanley | 34 min |
| Sep 25, 7:30 PM CDT | Severe Thunderstorm Watch | SPC | Beadle, Brookings, Brown, Buffalo, Campbell, Clark and 23 more | 6 hr |
| Sep 25, 7:45 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Sully | 45 min |
| Sep 25, 8:30 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Sully | 50 min |
| Sep 25, 8:45 PM CDT | Severe Thunderstorm Warning | ABR | Hyde | 50 min |
| Sep 25, 9:31 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 44 min |
| Sep 25, 9:53 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Jerauld | 47 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 522 |
| Tornado Warning | 82 |
| Severe Thunderstorm Watch | 43 |
| Tornado Watch | 20 |
| Flooding | |
| Flash Flood Warning | 47 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Tripp County53
- Gregory County53
- Meade County52
- Pennington County51
- Todd County47
- Jackson County46
- Charles Mix County41
- Lyman County40
- Mellette County39
- Custer County37
- Bennett County32
- Haakon County32
- Hughes County31
- Brule County31
- Spink County31
- Brown County30
- Jones County30
- Stanley County30
- Beadle County30
- Kingsbury County30
- Clark County30
- Buffalo County29
- Hyde County29
- Sully County29
- Butte County29
- Fall River County29
- Hamlin County28
- Codington County27
- Hand County26
- Douglas County26
- Jerauld County26
- Union County26
- Lawrence County26
- Miner County25
- Grant County25
- Edmunds County24
- Hutchinson County24
- Deuel County24
- Faulk County23
- McPherson County23
26 more counties
- Aurora County23
- Roberts County23
- Corson County23
- Yankton County22
- Harding County22
- Ziebach County22
- Bon Homme County21
- Clay County21
- Hanson County21
- Lake County21
- Turner County21
- Day County21
- Davison County20
- Minnehaha County20
- Lincoln County19
- McCook County19
- Perkins County19
- Sanborn County18
- Dewey County17
- Potter County17
- Brookings County17
- Moody County17
- Oglala Lakota County17
- Marshall County17
- Campbell County14
- Walworth County11
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19982000
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.