Weather alerts in South Dakota, 2002
677 weather alerts in 2002, 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 2002. Tap one for its archive.
- Alerts
- 677
- Warnings
- 617
- Watches
- 60
- Advisories
- 0
- Busiest month
- August277 alerts
- Busiest day
- June 25, 200243 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 |
|---|---|---|---|---|
| Apr 13, 5:02 PM CDT | Severe Thunderstorm Warning | FSD | McCook, Turner | 28 min |
| Apr 13, 5:30 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 15 min |
| Apr 13, 6:23 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 22 min |
| Apr 13, 6:26 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 34 min |
| Apr 13, 6:31 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 44 min |
| Apr 13, 6:43 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 32 min |
| Apr 13, 7:14 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 16 min |
| Apr 13, 7:23 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 22 min |
| Apr 16, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Lincoln, Turner, Union, Yankton | 5 hr |
| Apr 16, 5:23 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Minnehaha, Moody, Turner | 22 min |
| Apr 16, 5:45 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha, Moody | 45 min |
| Apr 16, 5:45 PM CDT | Severe Thunderstorm Watch | SPC | Brookings, Codington, Deuel, Grant, Hamlin, Lake and 3 more | 6 hr |
| Apr 16, 5:46 PM CDT | Severe Thunderstorm Warning | FSD | Turner | 29 min |
| Apr 16, 5:52 PM CDT | Severe Thunderstorm Warning | FSD | Lake | 23 min |
| Apr 16, 5:54 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Union | 36 min |
| Apr 16, 5:56 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 34 min |
| Apr 16, 6:10 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 35 min |
| Apr 16, 6:27 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha, Moody | 33 min |
| Apr 16, 6:28 PM CDT | Severe Thunderstorm Warning | FSD | Union | 47 min |
| Apr 16, 6:41 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 34 min |
| Apr 16, 7:01 PM CDT | Severe Thunderstorm Warning | FSD | Moody | 14 min |
| Apr 16, 7:15 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Lincoln, Union | 5 hr |
| Apr 18, 12:08 AM CDT | Severe Thunderstorm Warning | UNR | Haakon, Ziebach | 32 min |
| Apr 18, 2:09 AM CDT | Severe Thunderstorm Warning | ABR | Brown, McPherson | 21 min |
| May 5, 4:30 PM CDT | Tornado Watch | SPC | Bon Homme, Charles Mix, Clay, Douglas, Hutchinson, Lincoln and 3 more | 7 hr |
| May 5, 5:29 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 31 min |
| May 5, 5:37 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix | 38 min |
| May 5, 5:40 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 35 min |
| May 5, 6:02 PM CDT | Severe Thunderstorm Warning | FSD | McCook, Minnehaha | 43 min |
| May 5, 6:24 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Moody | 36 min |
| May 5, 6:45 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 30 min |
| May 5, 7:05 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Moody | 25 min |
| May 7, 3:23 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 37 min |
| May 7, 3:33 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 27 min |
| May 7, 3:53 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 37 min |
| May 7, 4:23 PM CDT | Severe Thunderstorm Warning | FSD | Aurora | 52 min |
| May 7, 4:29 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 46 min |
| May 7, 4:53 PM CDT | Severe Thunderstorm Warning | FSD | Sanborn | 37 min |
| May 7, 4:58 PM CDT | Severe Thunderstorm Warning | FSD | Davison | 32 min |
| May 7, 5:41 PM CDT | Severe Thunderstorm Warning | FSD | Aurora | 34 min |
| May 7, 6:10 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson | 35 min |
| May 7, 6:31 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 29 min |
| May 7, 6:39 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 21 min |
| May 7, 6:52 PM CDT | Severe Thunderstorm Warning | FSD | Turner | 38 min |
| May 7, 7:13 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 32 min |
| May 7, 7:34 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Turner | 56 min |
| May 8, 12:17 AM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury | 43 min |
| May 8, 11:04 AM CDT | Flash Flood Warning | FSD | Brookings, Kingsbury | 3 hr |
| May 8, 11:35 AM CDT | Flash Flood Warning | FSD | Moody | 3 hr |
| May 26, 4:15 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 30 min |
| May 26, 4:24 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 36 min |
| May 26, 4:56 PM CDT | Severe Thunderstorm Warning | FSD | Turner | 34 min |
| May 26, 5:09 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha | 51 min |
| May 26, 5:54 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson | 51 min |
| May 27, 2:45 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Custer, Fall River, Haakon, Jackson, Jones and 8 more | 6 hr |
| May 27, 5:29 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 46 min |
| May 27, 6:12 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 48 min |
| May 27, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Charles Mix, Gregory, Todd, Tripp | 5 hr |
| May 27, 10:56 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 49 min |
| May 28, 11:14 PM CDT | Flash Flood Warning | FSD | Clay, Union | 6 hr |
| Jun 1, 8:59 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 46 min |
| Jun 1, 10:39 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 51 min |
| Jun 1, 11:27 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 63 min |
| Jun 2, 6:36 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 54 min |
| Jun 2, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | Custer, Fall River, Oglala Lakota, Pennington | 4 hr |
| Jun 2, 9:02 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River | 58 min |
| Jun 2, 10:00 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River | 45 min |
| Jun 2, 11:03 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 27 min |
| Jun 2, 11:05 PM CDT | Severe Thunderstorm Warning | UNR | 40 min | |
| Jun 2, 11:09 PM CDT | Severe Thunderstorm Warning | FSD | Moody | 36 min |
| Jun 2, 11:42 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 33 min |
| Jun 6, 6:14 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Marshall | 46 min |
| Jun 6, 7:01 PM CDT | Severe Thunderstorm Warning | ABR | Marshall, Roberts | 29 min |
| Jun 6, 7:32 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 28 min |
| Jun 6, 8:05 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 40 min |
| Jun 6, 8:24 PM CDT | Severe Thunderstorm Warning | ABR | Grant | 51 min |
| Jun 6, 8:27 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 33 min |
| Jun 7, 4:02 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 28 min |
| Jun 7, 4:11 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 49 min |
| Jun 7, 5:00 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 30 min |
| Jun 7, 5:21 PM CDT | Severe Thunderstorm Warning | FSD | Union | 39 min |
| Jun 7, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Charles Mix, Clay, Hutchinson, Lincoln, Minnehaha and 3 more | 6 hr |
| Jun 7, 6:01 PM CDT | Severe Thunderstorm Warning | FSD | Union | 19 min |
| Jun 7, 6:35 PM CDT | Severe Thunderstorm Warning | FSD | Union | 25 min |
| Jun 7, 7:36 PM CDT | Flash Flood Warning | FSD | Union | 84 min |
| Jun 8, 1:25 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Hutchinson | 35 min |
| Jun 8, 2:15 PM CDT | Tornado Watch | SPC | Butte, Harding, Lawrence, Meade, Pennington | 6 hr |
| Jun 8, 8:58 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 62 min |
| Jun 8, 9:12 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 48 min |
| Jun 8, 9:25 PM CDT | Tornado Warning | ABR | Walworth | 20 min |
| Jun 8, 9:57 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 48 min |
| Jun 8, 10:56 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 64 min |
| Jun 8, 11:59 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 31 min |
| Jun 9, 12:14 AM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 46 min |
| Jun 10, 9:30 PM CDT | Severe Thunderstorm Watch | SPC | Union | 5 hr |
| Jun 16, 3:31 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 44 min |
| Jun 17, 4:33 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Yankton | 42 min |
| Jun 17, 5:00 PM CDT | Severe Thunderstorm Watch | SPC | Brookings, Clay, Kingsbury, Lake, Lincoln, McCook and 6 more | 5 hr |
| Jun 17, 5:05 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 25 min |
| Jun 18, 8:45 PM CDT | Severe Thunderstorm Watch | SPC | Butte, Harding, Perkins, Ziebach | 4 hr |
| Jun 19, 1:00 AM CDT | Severe Thunderstorm Watch | SPC | Brown, Butte, Campbell, Corson, Dewey, Edmunds and 10 more | 5 hr |
| Jun 19, 5:45 AM CDT | Severe Thunderstorm Watch | SPC | Brown, Day, Edmunds, Faulk, Grant, McPherson and 3 more | 4 hr |
| Jun 19, 3:00 PM CDT | Tornado Watch | SPC | Brown, Clark, Codington, Day, Deuel, Grant and 4 more | 5 hr |
| Jun 19, 6:30 PM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Brookings, Clay, Lake, Lincoln, McCook and 5 more | 5 hr |
| Jun 19, 8:38 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 22 min |
| Jun 19, 8:48 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 27 min |
| Jun 21, 12:33 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman | 27 min |
| Jun 21, 1:28 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 47 min |
| Jun 21, 1:57 AM CDT | Severe Thunderstorm Warning | ABR | Hand | 48 min |
| Jun 21, 2:13 AM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 32 min |
| Jun 21, 2:20 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde | 40 min |
| Jun 21, 2:59 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde | 46 min |
| Jun 21, 3:17 AM CDT | Severe Thunderstorm Warning | ABR | Faulk, Spink | 43 min |
| Jun 21, 6:35 AM CDT | Severe Thunderstorm Warning | FSD | McCook | 25 min |
| Jun 21, 7:01 AM CDT | Severe Thunderstorm Warning | FSD | McCook, Minnehaha | 44 min |
| Jun 21, 8:40 AM CDT | Severe Thunderstorm Warning | FSD | Lake, Miner | 35 min |
| Jun 21, 5:30 PM CDT | Tornado Watch | SPC | Aurora, Beadle, Bon Homme, Charles Mix, Clay, Davison and 14 more | 6 hr |
| Jun 22, 4:47 AM CDT | Severe Thunderstorm Warning | ABR | Faulk, Hand | 43 min |
| Jun 22, 5:00 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Campbell, Clark, Codington, Day, Dewey and 14 more | 5 hr |
| Jun 22, 6:04 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 56 min |
| Jun 22, 6:31 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence | 44 min |
| Jun 22, 7:08 PM CDT | Severe Thunderstorm Warning | ABR | Hughes | 52 min |
| Jun 22, 7:12 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 33 min |
| Jun 22, 7:15 PM CDT | Severe Thunderstorm Watch | SPC | Harding, Perkins | 5 hr |
| Jun 22, 7:21 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 54 min |
| Jun 22, 7:41 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, McPherson | 64 min |
| Jun 22, 8:06 PM CDT | Severe Thunderstorm Warning | ABR | Hyde | 54 min |
| Jun 22, 8:20 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 55 min |
| Jun 22, 8:24 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hand | 66 min |
| Jun 22, 8:57 PM CDT | Severe Thunderstorm Warning | ABR | Hyde | 63 min |
| Jun 22, 9:10 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 35 min |
| Jun 22, 9:30 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 60 min |
| Jun 22, 9:55 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 50 min |
| Jun 22, 9:57 PM CDT | Severe Thunderstorm Warning | ABR | Hyde | 63 min |
| Jun 22, 10:07 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 38 min |
| Jun 22, 10:29 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 31 min |
| Jun 22, 10:33 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 27 min |
| Jun 22, 10:43 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 32 min |
| Jun 23, 12:14 AM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 61 min |
| Jun 23, 12:19 AM CDT | Severe Thunderstorm Warning | ABR | Corson | 56 min |
| Jun 23, 12:41 AM CDT | Severe Thunderstorm Warning | ABR | Dewey | 64 min |
| Jun 23, 1:45 AM CDT | Severe Thunderstorm Warning | ABR | Dewey | 30 min |
| Jun 23, 2:11 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson, Walworth | 49 min |
| Jun 23, 2:57 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, Walworth | 33 min |
| Jun 23, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Campbell, Day, Grant, McPherson, Marshall and 1 more | 6 hr |
| Jun 23, 5:55 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 50 min |
| Jun 23, 7:19 PM CDT | Severe Thunderstorm Warning | ABR | Hughes | 41 min |
| Jun 23, 7:22 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter, Sully | 53 min |
| Jun 23, 7:24 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 51 min |
| Jun 23, 7:37 PM CDT | Tornado Warning | ABR | Brown, McPherson | 38 min |
| Jun 23, 7:45 PM CDT | Severe Thunderstorm Watch | SPC | Beadle, Brookings, Brown, Campbell, Clark, Codington and 17 more | 5 hr |
| Jun 23, 7:51 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 39 min |
| Jun 23, 8:10 PM CDT | Severe Thunderstorm Warning | ABR | Potter, Sully | 65 min |
| Jun 23, 8:12 PM CDT | Tornado Warning | ABR | Brown | 48 min |
| Jun 23, 8:27 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 63 min |
| Jun 23, 8:34 PM CDT | Tornado Warning | ABR | Hughes, Stanley | 41 min |
| Jun 23, 8:55 PM CDT | Tornado Warning | ABR | Brown | 50 min |
| Jun 23, 9:09 PM CDT | Severe Thunderstorm Warning | ABR | Hyde, Sully | 51 min |
| Jun 23, 9:48 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde | 27 min |
| Jun 23, 10:09 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 66 min |
| Jun 23, 10:23 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 22 min |
| Jun 23, 11:13 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 47 min |
| Jun 23, 11:31 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 44 min |
| Jun 23, 11:41 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 34 min |
| Jun 24, 12:13 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Hamlin | 47 min |
| Jun 24, 12:38 AM CDT | Severe Thunderstorm Warning | ABR | Faulk, Potter | 37 min |
| Jun 24, 1:01 AM CDT | Severe Thunderstorm Warning | ABR | Hamlin | 29 min |
| Jun 24, 1:14 AM CDT | Severe Thunderstorm Warning | ABR | Faulk | 46 min |
| Jun 24, 1:56 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 49 min |
| Jun 24, 2:02 AM CDT | Severe Thunderstorm Warning | ABR | Faulk | 28 min |
| Jun 24, 2:39 AM CDT | Tornado Warning | ABR | Day | 36 min |
| Jun 24, 2:47 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Spink | 28 min |
| Jun 24, 3:17 AM CDT | Severe Thunderstorm Warning | ABR | Day, Roberts | 43 min |
| Jun 24, 3:25 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington | 50 min |
| Jun 24, 3:37 AM CDT | Severe Thunderstorm Warning | ABR | Grant | 38 min |
| Jun 24, 5:45 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Brookings, Brule, Buffalo, Charles Mix and 29 more | 5 hr |
| Jun 24, 6:18 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 27 min |
| Jun 24, 6:44 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Miner | 31 min |
| Jun 24, 7:12 PM CDT | Severe Thunderstorm Warning | FSD | Lake | 33 min |
| Jun 24, 7:43 PM CDT | Severe Thunderstorm Warning | FSD | Miner | 32 min |
| Jun 24, 8:00 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 30 min |
| Jun 24, 8:01 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 29 min |
| Jun 24, 8:08 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 52 min |
| Jun 24, 8:15 PM CDT | Severe Thunderstorm Warning | FSD | Miner | 30 min |
| Jun 24, 8:28 PM CDT | Severe Thunderstorm Warning | FSD | Aurora | 32 min |
| Jun 24, 8:36 PM CDT | Severe Thunderstorm Warning | FSD | Sanborn | 24 min |
| Jun 24, 8:38 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 22 min |
| Jun 24, 8:39 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Lyman | 66 min |
| Jun 24, 8:41 PM CDT | Severe Thunderstorm Warning | FSD | Miner | 49 min |
| Jun 24, 8:54 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 36 min |
| Jun 24, 8:57 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 63 min |
| Jun 24, 9:00 PM CDT | Severe Thunderstorm Warning | ABR | Hamlin | 45 min |
| Jun 24, 9:20 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 40 min |
| Jun 24, 9:20 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Pennington | 55 min |
| Jun 24, 9:22 PM CDT | Severe Thunderstorm Warning | FSD | Jerauld | 53 min |
| Jun 24, 9:27 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 48 min |
| Jun 24, 9:32 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 28 min |
| Jun 24, 9:33 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 42 min |
| Jun 24, 9:34 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 41 min |
| Jun 24, 9:44 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 31 min |
| Jun 24, 9:56 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 19 min |
| Jun 24, 10:38 PM CDT | Severe Thunderstorm Warning | FSD | Sanborn | 22 min |
| Jun 24, 10:55 PM CDT | Severe Thunderstorm Warning | FSD | Davison | 35 min |
| Jun 24, 10:58 PM CDT | Severe Thunderstorm Warning | FSD | Hanson | 47 min |
| Jun 24, 11:00 PM CDT | Severe Thunderstorm Warning | FSD | Miner | 45 min |
| Jun 25, 12:05 AM CDT | Severe Thunderstorm Warning | UNR | Bennett | 55 min |
| Jun 25, 3:00 AM CDT | Severe Thunderstorm Warning | UNR | Pennington | 45 min |
| Jun 25, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Clark, Codington, Day, Deuel, Grant and 3 more | 6 hr |
| Jun 25, 3:40 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson | 35 min |
| Jun 25, 3:43 PM CDT | Severe Thunderstorm Warning | ABR | Hand, Spink | 47 min |
| Jun 25, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Beadle, Bon Homme, Brookings, Clay, Davison, Douglas and 13 more | 5 hr |
| Jun 25, 4:10 PM CDT | Severe Thunderstorm Warning | FSD | Hanson, Hutchinson | 35 min |
| Jun 25, 4:30 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Spink | 45 min |
| Jun 25, 4:52 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 23 min |
| Jun 25, 5:14 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 31 min |
| Jun 25, 5:15 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 60 min |
| Jun 25, 5:22 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 53 min |
| Jun 25, 5:32 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 28 min |
| Jun 25, 5:46 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 29 min |
| Jun 25, 6:15 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 30 min |
| Jun 25, 6:51 PM CDT | Severe Thunderstorm Warning | ABR | Grant | 39 min |
| Jun 25, 7:30 PM CDT | Severe Thunderstorm Warning | ABR | Grant | 30 min |
| Jun 28, 8:14 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 61 min |
| Jun 28, 9:10 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 50 min |
| Jun 28, 10:52 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 53 min |
| Jun 29, 4:20 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 55 min |
| Jun 29, 8:00 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 45 min |
| Jul 2, 6:44 AM CDT | Severe Thunderstorm Warning | ABR | Hand, Hyde | 46 min |
| Jul 2, 7:30 AM CDT | Severe Thunderstorm Warning | ABR | Faulk | 45 min |
| Jul 2, 8:07 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 68 min |
| Jul 2, 8:23 AM CDT | Severe Thunderstorm Warning | ABR | Faulk | 52 min |
| Jul 2, 9:13 AM CDT | Severe Thunderstorm Warning | ABR | Faulk | 47 min |
| Jul 2, 9:19 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 26 min |
| Jul 2, 9:58 AM CDT | Severe Thunderstorm Warning | ABR | Faulk, Spink | 47 min |
| Jul 2, 10:30 AM CDT | Severe Thunderstorm Watch | SPC | Beadle, Brookings, Clark, Codington, Deuel, Faulk and 6 more | 5 hr |
| Jul 2, 10:42 AM CDT | Severe Thunderstorm Warning | ABR | Faulk | 18 min |
| Jul 2, 10:43 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 47 min |
| Jul 2, 11:32 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 28 min |
| Jul 2, 11:57 AM CDT | Severe Thunderstorm Warning | ABR | Clark | 48 min |
| Jul 5, 5:39 PM CDT | Flash Flood Warning | UNR | Custer | 3 hr |
| Jul 5, 6:17 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 43 min |
| Jul 7, 2:07 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 38 min |
| Jul 7, 2:48 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 42 min |
| Jul 7, 3:22 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde | 38 min |
| Jul 7, 3:31 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 44 min |
| Jul 7, 4:22 PM CDT | Flash Flood Warning | ABR | Hughes, Hyde | 3 hr |
| Jul 7, 4:39 PM CDT | Tornado Warning | ABR | Marshall | 36 min |
| Jul 7, 5:03 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Lyman | 42 min |
| Jul 7, 5:11 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 49 min |
| Jul 7, 5:15 PM CDT | Tornado Warning | ABR | Marshall | 30 min |
| Jul 8, 8:48 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 57 min |
| Jul 8, 9:46 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 59 min |
| Jul 9, 5:55 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 50 min |
| Jul 9, 6:00 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bon Homme, Brown, Brule, Buffalo and 20 more | 5 hr |
| Jul 9, 6:20 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 40 min |
| Jul 9, 7:51 PM CDT | Severe Thunderstorm Warning | FSD | Brule, Charles Mix | 39 min |
| Jul 9, 8:21 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 39 min |
| Jul 9, 8:21 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 39 min |
| Jul 9, 8:40 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 65 min |
| Jul 9, 8:59 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix | 46 min |
| Jul 9, 9:16 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson | 44 min |
| Jul 9, 9:28 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 32 min |
| Jul 9, 9:42 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 48 min |
| Jul 9, 9:48 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 27 min |
| Jul 9, 10:00 PM CDT | Severe Thunderstorm Warning | FSD | Turner | 45 min |
| Jul 9, 10:13 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 47 min |
| Jul 10, 1:10 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 35 min |
| Jul 10, 1:36 AM CDT | Severe Thunderstorm Warning | FSD | Yankton | 24 min |
| Jul 10, 3:03 AM CDT | Flash Flood Warning | FSD | Lincoln, Minnehaha | 87 min |
| Jul 19, 5:31 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 59 min |
| Jul 19, 10:23 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 52 min |
| Jul 19, 11:12 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 48 min |
| Jul 19, 11:46 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 44 min |
| Jul 20, 1:37 AM CDT | Severe Thunderstorm Warning | UNR | Perkins | 53 min |
| Jul 20, 2:09 AM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 51 min |
| Jul 20, 3:06 AM CDT | Severe Thunderstorm Warning | ABR | Corson | 39 min |
| Jul 20, 3:58 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Pennington | 47 min |
| Jul 20, 5:12 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 18 min |
| Jul 20, 5:17 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 58 min |
| Jul 20, 6:04 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 41 min |
| Jul 20, 6:38 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 37 min |
| Jul 20, 9:15 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 45 min |
| Jul 20, 9:35 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 40 min |
| Jul 20, 10:00 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 75 min |
| Jul 20, 10:15 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 15 min |
| Jul 21, 12:10 AM CDT | Severe Thunderstorm Warning | UNR | Jackson, Mellette | 50 min |
| Jul 21, 12:49 AM CDT | Severe Thunderstorm Warning | ABR | Stanley | 26 min |
| Jul 21, 1:14 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Sully | 46 min |
| Jul 21, 3:24 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds, Spink | 66 min |
| Jul 21, 3:34 AM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury, Miner, Sanborn | 26 min |
| Jul 21, 3:43 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Day, Deuel, Grant, Hamlin | 62 min |
| Jul 21, 4:02 AM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury | 28 min |
| Jul 21, 4:30 AM CDT | Severe Thunderstorm Warning | ABR | Marshall | 45 min |
| Jul 21, 5:11 AM CDT | Severe Thunderstorm Warning | ABR | Roberts | 49 min |
| Jul 21, 3:40 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Union | 5 hr |
| Jul 21, 4:38 PM CDT | Severe Thunderstorm Warning | FSD | Union | 37 min |
| Jul 23, 10:07 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 38 min |
| Jul 23, 11:35 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 55 min |
| Jul 24, 1:48 PM CDT | Severe Thunderstorm Warning | FSD | Union | 27 min |
| Jul 24, 1:52 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 23 min |
| Jul 24, 4:50 PM CDT | Tornado Watch | SPC | Aurora, Beadle, Bon Homme, Brookings, Charles Mix, Clark and 20 more | 5 hr |
| Jul 24, 6:11 PM CDT | Severe Thunderstorm Warning | FSD | Jerauld, Sanborn | 49 min |
| Jul 24, 6:33 PM CDT | Tornado Warning | FSD | Jerauld | 27 min |
| Jul 24, 6:53 PM CDT | Tornado Warning | FSD | Sanborn | 22 min |
| Jul 24, 7:05 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson | 40 min |
| Jul 24, 7:16 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Sully | 44 min |
| Jul 24, 7:17 PM CDT | Severe Thunderstorm Warning | FSD | Sanborn | 13 min |
| Jul 24, 7:21 PM CDT | Severe Thunderstorm Warning | FSD | Miner | 39 min |
| Jul 24, 7:36 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 39 min |
| Jul 24, 7:37 PM CDT | Severe Thunderstorm Warning | ABR | Stanley | 23 min |
| Jul 24, 7:46 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson | 29 min |
| Jul 24, 7:50 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 40 min |
| Jul 24, 7:52 PM CDT | Tornado Warning | FSD | McCook | 23 min |
| Jul 24, 8:04 PM CDT | Severe Thunderstorm Warning | FSD | Turner | 56 min |
| Jul 24, 8:07 PM CDT | Tornado Warning | ABR | Lyman | 38 min |
| Jul 24, 8:11 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 34 min |
| Jul 24, 8:14 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 31 min |
| Jul 24, 8:21 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson | 24 min |
| Jul 24, 8:22 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 53 min |
| Jul 24, 8:24 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Yankton | 36 min |
| Jul 24, 8:46 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 44 min |
| Jul 24, 8:51 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 24 min |
| Jul 24, 8:52 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 23 min |
| Jul 24, 9:06 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 24 min |
| Jul 24, 9:15 PM CDT | Severe Thunderstorm Warning | FSD | Brule, Charles Mix | 30 min |
| Jul 24, 9:43 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 47 min |
| Jul 24, 10:04 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 41 min |
| Jul 24, 10:05 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Campbell, Dewey, Edmunds, Faulk, McPherson and 2 more | 4 hr |
| Jul 24, 10:23 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 37 min |
| Jul 24, 10:42 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 48 min |
| Jul 24, 10:50 PM CDT | Severe Thunderstorm Warning | ABR | Walworth | 25 min |
| Jul 24, 10:57 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix | 33 min |
| Jul 24, 11:51 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds | 39 min |
| Jul 25, 12:13 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Clark, Day, Faulk, Marshall, Spink | 62 min |
| Jul 25, 12:25 AM CDT | Severe Thunderstorm Watch | SPC | Clark, Codington, Day, Deuel, Grant, Hamlin and 2 more | 4 hr |
| Jul 25, 1:01 AM CDT | Severe Thunderstorm Warning | ABR | Grant, Roberts | 44 min |
| Jul 25, 1:38 AM CDT | Severe Thunderstorm Warning | FSD | Union | 27 min |
| Jul 25, 3:05 AM CDT | Severe Thunderstorm Watch | SPC | Clay, Lincoln, Union | 5 hr |
| Jul 26, 5:42 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 33 min |
| Jul 26, 6:25 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 20 min |
| Jul 26, 7:03 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 57 min |
| Jul 26, 7:05 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 40 min |
| Jul 26, 7:11 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 64 min |
| Jul 26, 7:17 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 58 min |
| Jul 26, 8:53 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 37 min |
| Jul 26, 10:06 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 39 min |
| Jul 26, 10:45 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Jones, Lyman, Stanley | 45 min |
| Jul 26, 10:56 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Walworth | 49 min |
| Jul 27, 12:13 AM CDT | Severe Thunderstorm Warning | ABR | McPherson | 47 min |
| Jul 27, 12:32 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 28 min |
| Jul 27, 12:59 AM CDT | Severe Thunderstorm Warning | ABR | Brown | 46 min |
| Jul 27, 2:15 AM CDT | Severe Thunderstorm Warning | ABR | Codington, Day, Grant, Roberts | 45 min |
| Jul 27, 9:31 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 74 min |
| Jul 27, 10:25 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 35 min |
| Jul 27, 10:32 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 73 min |
| Jul 27, 10:40 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 35 min |
| Jul 28, 1:08 AM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 52 min |
| Jul 28, 4:09 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 51 min |
| Jul 28, 12:02 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 38 min |
| Jul 28, 12:57 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury | 33 min |
| Jul 28, 1:00 PM CDT | Severe Thunderstorm Watch | SPC | Brookings, Clay, Deuel, Grant, Hamlin, Lake and 7 more | 5 hr |
| Jul 28, 1:23 PM CDT | Tornado Warning | FSD | Kingsbury | 37 min |
| Jul 28, 1:25 PM CDT | Severe Thunderstorm Warning | FSD | Sanborn | 35 min |
| Jul 28, 1:40 PM CDT | Severe Thunderstorm Warning | FSD | Miner | 50 min |
| Jul 28, 1:59 PM CDT | Tornado Warning | FSD | Brookings, Kingsbury | 41 min |
| Jul 28, 2:12 PM CDT | Tornado Warning | FSD | Brookings | 48 min |
| Jul 28, 2:21 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Moody | 39 min |
| Jul 28, 2:48 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Moody | 42 min |
| Jul 28, 2:59 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 31 min |
| Jul 28, 3:19 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 41 min |
| Jul 28, 3:27 PM CDT | Severe Thunderstorm Warning | FSD | Moody | 33 min |
| Jul 28, 8:26 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 34 min |
| Jul 28, 9:11 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds | 49 min |
| Jul 30, 3:40 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Lincoln, Minnehaha, Union | 5 hr |
| Jul 30, 4:35 PM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Charles Mix, Douglas, Hanson, Hutchinson, Lake and 3 more | 5 hr |
| Jul 31, 12:40 AM CDT | Severe Thunderstorm Warning | ABR | Corson | 65 min |
| Jul 31, 2:31 AM CDT | Severe Thunderstorm Warning | ABR | McPherson | 44 min |
| Jul 31, 3:14 AM CDT | Severe Thunderstorm Warning | ABR | Brown, McPherson | 61 min |
| Jul 31, 4:00 AM CDT | Severe Thunderstorm Warning | ABR | Marshall | 45 min |
| Jul 31, 4:10 AM CDT | Severe Thunderstorm Watch | SPC | Grant, Roberts | 5 hr |
| Aug 3, 3:00 PM CDT | Tornado Watch | SPC | Aurora, Beadle, Brookings, Clark, Codington, Davison and 16 more | 6 hr |
| Aug 3, 3:41 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 34 min |
| Aug 3, 4:01 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 44 min |
| Aug 3, 4:11 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Hamlin | 49 min |
| Aug 3, 4:13 PM CDT | Severe Thunderstorm Warning | FSD | Miner | 32 min |
| Aug 3, 4:26 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Sanborn | 44 min |
| Aug 3, 4:40 PM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Charles Mix, Clay, Douglas, Gregory, Hutchinson and 4 more | 4 hr |
| Aug 3, 4:42 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 33 min |
| Aug 3, 4:42 PM CDT | Severe Thunderstorm Warning | FSD | Moody | 48 min |
| Aug 3, 4:45 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 30 min |
| Aug 3, 4:48 PM CDT | Severe Thunderstorm Warning | ABR | Codington | 27 min |
| Aug 3, 5:12 PM CDT | Severe Thunderstorm Warning | FSD | Lake | 38 min |
| Aug 3, 5:15 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 45 min |
| Aug 3, 5:32 PM CDT | Severe Thunderstorm Warning | FSD | Hanson | 43 min |
| Aug 3, 5:46 PM CDT | Severe Thunderstorm Warning | FSD | Moody | 44 min |
| Aug 3, 6:37 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 28 min |
| Aug 3, 6:47 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Turner | 38 min |
| Aug 5, 8:26 PM CDT | Flash Flood Warning | UNR | Fall River | 3 hr |
| Aug 5, 8:31 PM CDT | Flash Flood Warning | UNR | Fall River | 4 hr |
| Aug 6, 1:42 AM CDT | Flash Flood Warning | FSD | Davison | 93 min |
| Aug 7, 3:00 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 60 min |
| Aug 7, 9:44 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 46 min |
| Aug 7, 10:39 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 51 min |
| Aug 7, 10:53 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 67 min |
| Aug 8, 2:10 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bennett, Brown, Brule, Buffalo and 33 more | 7 hr |
| Aug 8, 2:12 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 48 min |
| Aug 8, 2:24 PM CDT | Severe Thunderstorm Warning | ABR | Hyde | 51 min |
| Aug 8, 3:09 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 66 min |
| Aug 8, 3:15 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Faulk | 45 min |
| Aug 8, 3:32 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo | 28 min |
| Aug 8, 3:48 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 42 min |
| Aug 8, 3:51 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 39 min |
| Aug 8, 3:56 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 49 min |
| Aug 8, 4:01 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo | 44 min |
| Aug 8, 4:01 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 59 min |
| Aug 8, 4:16 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 59 min |
| Aug 8, 4:18 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 57 min |
| Aug 8, 4:21 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 54 min |
| Aug 8, 4:29 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 46 min |
| Aug 8, 4:48 PM CDT | Flash Flood Warning | FSD | Brule | 87 min |
| Aug 8, 4:50 PM CDT | Flash Flood Warning | ABR | Buffalo | 115 min |
| Aug 8, 4:50 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 55 min |
| Aug 8, 4:51 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 39 min |
| Aug 8, 5:00 PM CDT | Flash Flood Warning | UNR | Lawrence | 4 hr |
| Aug 8, 5:11 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 64 min |
| Aug 8, 5:18 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 57 min |
| Aug 8, 6:15 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 60 min |
| Aug 8, 6:39 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 51 min |
| Aug 8, 6:43 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Ziebach | 47 min |
| Aug 8, 6:52 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 53 min |
| Aug 8, 6:59 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 46 min |
| Aug 8, 7:41 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 34 min |
| Aug 8, 7:48 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 57 min |
| Aug 8, 8:18 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Walworth | 42 min |
| Aug 8, 8:42 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 48 min |
| Aug 8, 8:50 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Clark, Codington, Day, Edmunds, Faulk and 6 more | 5 hr |
| Aug 8, 9:03 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, McPherson | 42 min |
| Aug 8, 9:28 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 32 min |
| Aug 8, 10:22 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 53 min |
| Aug 8, 10:56 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman | 49 min |
| Aug 9, 5:09 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 36 min |
| Aug 9, 5:23 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Jerauld | 22 min |
| Aug 9, 5:27 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 33 min |
| Aug 9, 5:35 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Brookings, Brule, Charles Mix, Clark and 22 more | 5 hr |
| Aug 9, 5:56 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Sanborn | 34 min |
| Aug 9, 5:59 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 46 min |
| Aug 9, 6:11 PM CDT | Tornado Warning | FSD | Davison, Sanborn | 34 min |
| Aug 9, 6:35 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 25 min |
| Aug 9, 6:46 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 44 min |
| Aug 9, 7:08 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 37 min |
| Aug 9, 7:46 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Yankton | 44 min |
| Aug 9, 8:43 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 47 min |
| Aug 11, 1:28 AM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 47 min |
| Aug 11, 3:30 AM CDT | Severe Thunderstorm Warning | FSD | Gregory | 30 min |
| Aug 11, 3:51 AM CDT | Severe Thunderstorm Warning | FSD | Yankton | 29 min |
| Aug 11, 4:14 AM CDT | Severe Thunderstorm Warning | FSD | Davison | 31 min |
| Aug 11, 4:20 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Yankton | 40 min |
| Aug 11, 1:55 PM CDT | Severe Thunderstorm Watch | SPC | Beadle, Brown, Buffalo, Campbell, Clark, Day and 17 more | 5 hr |
| Aug 11, 3:10 PM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 35 min |
| Aug 11, 3:13 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 62 min |
| Aug 11, 3:17 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 43 min |
| Aug 11, 3:35 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Jackson, Mellette, Todd, Tripp | 5 hr |
| Aug 11, 4:01 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 59 min |
| Aug 11, 4:37 PM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 38 min |
| Aug 11, 5:01 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 44 min |
| Aug 11, 5:22 PM CDT | Severe Thunderstorm Warning | ABR | Stanley, Sully | 53 min |
| Aug 11, 5:48 PM CDT | Severe Thunderstorm Warning | ABR | Hughes | 57 min |
| Aug 11, 6:14 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 46 min |
| Aug 11, 6:32 PM CDT | Tornado Warning | ABR | Hughes | 28 min |
| Aug 11, 6:54 PM CDT | Tornado Warning | ABR | Hyde | 36 min |
| Aug 11, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Brookings, Brule, Buffalo, Charles Mix and 23 more | 5 hr |
| Aug 11, 7:24 PM CDT | Severe Thunderstorm Warning | ABR | Hand, Hyde | 51 min |
| Aug 11, 7:34 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 26 min |
| Aug 11, 7:46 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 59 min |
| Aug 11, 7:58 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Jerauld | 47 min |
| Aug 11, 8:02 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Spink | 43 min |
| Aug 11, 8:04 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 56 min |
| Aug 11, 8:10 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 50 min |
| Aug 11, 8:12 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hand | 48 min |
| Aug 11, 8:28 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 32 min |
| Aug 11, 8:39 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 51 min |
| Aug 11, 8:47 PM CDT | Severe Thunderstorm Warning | FSD | Jerauld | 43 min |
| Aug 11, 8:53 PM CDT | Severe Thunderstorm Warning | FSD | Aurora | 37 min |
| Aug 11, 8:56 PM CDT | Severe Thunderstorm Warning | FSD | Sanborn | 49 min |
| Aug 11, 9:00 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 15 min |
| Aug 11, 9:05 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 25 min |
| Aug 11, 9:08 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Hamlin | 52 min |
| Aug 11, 9:10 PM CDT | Severe Thunderstorm Warning | ABR | Day | 50 min |
| Aug 11, 9:30 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison | 30 min |
| Aug 11, 9:33 PM CDT | Severe Thunderstorm Warning | ABR | Grant, Roberts | 42 min |
| Aug 11, 9:36 PM CDT | Severe Thunderstorm Warning | FSD | Hanson, Miner | 24 min |
| Aug 11, 9:55 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Lincoln, Minnehaha, Moody, Turner, Union and 1 more | 5 hr |
| Aug 11, 9:57 PM CDT | Severe Thunderstorm Warning | ABR | Day | 18 min |
| Aug 11, 10:00 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Douglas | 30 min |
| Aug 11, 10:14 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 61 min |
| Aug 11, 10:14 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson | 46 min |
| Aug 11, 10:22 PM CDT | Severe Thunderstorm Warning | FSD | Hanson | 53 min |
| Aug 11, 10:49 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha | 26 min |
| Aug 11, 11:17 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha | 43 min |
| Aug 12, 12:46 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha | 44 min |
| Aug 12, 12:53 AM CDT | Severe Thunderstorm Warning | FSD | Clay | 37 min |
| Aug 12, 1:18 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 42 min |
| Aug 16, 10:56 AM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Douglas, Hutchinson | 34 min |
| Aug 16, 11:24 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Hutchinson, Yankton | 36 min |
| Aug 16, 11:42 AM CDT | Severe Thunderstorm Warning | FSD | Clay | 33 min |
| Aug 16, 11:55 AM CDT | Severe Thunderstorm Watch | SPC | Brookings, Clay, Kingsbury, Lake, Lincoln, McCook and 5 more | 4 hr |
| Aug 16, 11:58 AM CDT | Severe Thunderstorm Warning | FSD | Turner, Yankton | 32 min |
| Aug 16, 12:25 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 35 min |
| Aug 16, 12:44 PM CDT | Severe Thunderstorm Warning | FSD | Union | 31 min |
| Aug 16, 1:19 PM CDT | Severe Thunderstorm Warning | FSD | Union | 41 min |
| Aug 16, 1:36 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 14 min |
| Aug 16, 1:37 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 13 min |
| Aug 16, 2:01 PM CDT | Severe Thunderstorm Warning | FSD | Union | 29 min |
| Aug 16, 2:30 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Union | 30 min |
| Aug 16, 3:13 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha | 32 min |
| Aug 16, 3:40 PM CDT | Severe Thunderstorm Watch | SPC | Campbell, Corson, Dewey, Harding, Perkins, Walworth | 5 hr |
| Aug 16, 6:06 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 39 min |
| Aug 16, 6:25 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Day, Edmunds, Grant, McPherson, Marshall and 1 more | 6 hr |
| Aug 16, 6:30 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 45 min |
| Aug 16, 6:44 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 31 min |
| Aug 16, 7:14 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 31 min |
| Aug 16, 7:48 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson | 57 min |
| Aug 16, 7:59 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 46 min |
| Aug 16, 8:23 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 37 min |
| Aug 16, 8:25 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Brookings, Brule, Buffalo, Charles Mix and 24 more | 6 hr |
| Aug 16, 8:56 PM CDT | Severe Thunderstorm Warning | FSD | Union | 34 min |
| Aug 16, 9:01 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 44 min |
| Aug 16, 9:29 PM CDT | Severe Thunderstorm Warning | FSD | Union | 46 min |
| Aug 16, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Codington, Grant, Roberts | 5 hr |
| Aug 16, 11:37 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 23 min |
| Aug 20, 2:18 PM CDT | Severe Thunderstorm Warning | ABR | Stanley | 27 min |
| Aug 20, 2:27 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 18 min |
| Aug 20, 2:29 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 46 min |
| Aug 20, 2:33 PM CDT | Severe Thunderstorm Warning | ABR | Hamlin | 42 min |
| Aug 20, 2:35 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bennett, Brown, Brule, Buffalo and 29 more | 5 hr |
| Aug 20, 2:43 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 47 min |
| Aug 20, 3:02 PM CDT | Severe Thunderstorm Warning | ABR | Faulk | 43 min |
| Aug 20, 3:05 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 40 min |
| Aug 20, 3:17 PM CDT | Severe Thunderstorm Warning | ABR | Hamlin | 43 min |
| Aug 20, 3:29 PM CDT | Severe Thunderstorm Warning | ABR | Codington | 46 min |
| Aug 20, 3:45 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 30 min |
| Aug 20, 6:04 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 56 min |
| Aug 20, 6:20 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 40 min |
| Aug 20, 6:55 PM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Yankton | 6 hr |
| Aug 20, 7:17 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Sanborn | 43 min |
| Aug 20, 7:25 PM CDT | Severe Thunderstorm Warning | FSD | Aurora | 35 min |
| Aug 20, 7:30 PM CDT | Tornado Watch | SPC | Aurora, Beadle, Bon Homme, Brookings, Brule, Buffalo and 23 more | 6 hr |
| Aug 20, 7:30 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 45 min |
| Aug 20, 7:46 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 29 min |
| Aug 20, 7:48 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 42 min |
| Aug 20, 8:25 PM CDT | Severe Thunderstorm Warning | FSD | Hanson | 50 min |
| Aug 20, 8:31 PM CDT | Severe Thunderstorm Warning | FSD | Davison | 29 min |
| Aug 20, 8:47 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Miner | 43 min |
| Aug 20, 9:02 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 43 min |
| Aug 20, 9:10 PM CDT | Tornado Warning | FSD | Hanson | 35 min |
| Aug 20, 9:10 PM CDT | Tornado Warning | FSD | Hanson | 35 min |
| Aug 20, 9:17 PM CDT | Severe Thunderstorm Warning | FSD | Aurora | 43 min |
| Aug 20, 9:25 PM CDT | Severe Thunderstorm Warning | FSD | Douglas | 50 min |
| Aug 20, 9:37 PM CDT | Flash Flood Warning | ABR | Clark, Codington, Deuel, Grant, Hamlin | 6 hr |
| Aug 20, 9:42 PM CDT | Flash Flood Warning | FSD | Aurora, Davison | 108 min |
| Aug 20, 9:42 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 63 min |
| Aug 20, 9:44 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 46 min |
| Aug 20, 9:57 PM CDT | Tornado Warning | ABR | Deuel | 33 min |
| Aug 20, 10:11 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson | 49 min |
| Aug 21, 7:46 AM CDT | Flash Flood Warning | FSD | Minnehaha | 119 min |
| Aug 21, 4:35 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 40 min |
| Aug 21, 4:44 PM CDT | Flash Flood Warning | UNR | Lawrence | 3 hr |
| Aug 21, 5:03 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 42 min |
| Aug 21, 5:34 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 26 min |
| Aug 21, 6:11 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 49 min |
| Aug 21, 6:21 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 24 min |
| Aug 21, 6:54 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 51 min |
| Aug 21, 7:45 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 30 min |
| Aug 21, 7:47 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 43 min |
| Aug 21, 8:14 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 46 min |
| Aug 21, 11:02 PM CDT | Severe Thunderstorm Warning | UNR | 58 min | |
| Aug 21, 11:35 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Jerauld | 40 min |
| Aug 21, 11:41 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Jerauld | 34 min |
| Aug 22, 12:02 AM CDT | Severe Thunderstorm Warning | UNR | 43 min | |
| Aug 22, 12:16 AM CDT | Severe Thunderstorm Warning | FSD | Aurora | 29 min |
| Aug 22, 12:19 AM CDT | Severe Thunderstorm Warning | FSD | Aurora | 26 min |
| Aug 22, 12:31 AM CDT | Severe Thunderstorm Warning | UNR | Bennett | 59 min |
| Aug 22, 1:04 AM CDT | Severe Thunderstorm Warning | FSD | Davison | 26 min |
| Aug 22, 2:04 AM CDT | Severe Thunderstorm Warning | UNR | Todd | 56 min |
| Aug 22, 3:25 AM CDT | Severe Thunderstorm Warning | FSD | Douglas | 35 min |
| Aug 22, 4:01 AM CDT | Severe Thunderstorm Warning | FSD | Hutchinson | 44 min |
| Aug 22, 4:40 AM CDT | Severe Thunderstorm Warning | FSD | Hutchinson | 35 min |
| Aug 22, 6:09 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Yankton | 36 min |
| Aug 22, 1:27 PM CDT | Flash Flood Warning | ABR | Brown | 93 min |
| Aug 23, 12:59 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 46 min |
| Aug 23, 1:45 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 60 min |
| Aug 23, 3:04 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 56 min |
| Aug 23, 4:00 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 45 min |
| Aug 23, 5:43 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 47 min |
| Aug 23, 6:19 PM CDT | Severe Thunderstorm Warning | UNR | 56 min | |
| Aug 23, 7:16 PM CDT | Severe Thunderstorm Warning | UNR | 59 min | |
| Aug 23, 7:48 PM CDT | Tornado Warning | UNR | Bennett | 57 min |
| Aug 23, 8:44 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 61 min |
| Aug 23, 8:45 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 60 min |
| Aug 24, 12:27 AM CDT | Severe Thunderstorm Warning | UNR | Tripp | 33 min |
| Aug 24, 4:14 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 61 min |
| Aug 24, 5:09 PM CDT | Flash Flood Warning | UNR | Lawrence | 4 hr |
| Aug 24, 5:31 PM CDT | Flash Flood Warning | UNR | Lawrence | 3 hr |
| Aug 25, 8:01 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 59 min |
| Aug 25, 11:56 PM CDT | Severe Thunderstorm Warning | UNR | Haakon | 49 min |
| Aug 26, 1:18 AM CDT | Severe Thunderstorm Warning | UNR | Jackson, Mellette | 42 min |
| Aug 26, 1:49 AM CDT | Severe Thunderstorm Warning | UNR | Mellette | 56 min |
| Aug 26, 2:35 AM CDT | Severe Thunderstorm Warning | UNR | Tripp | 55 min |
| Aug 26, 2:39 AM CDT | Severe Thunderstorm Warning | UNR | Mellette | 66 min |
| Aug 26, 3:28 AM CDT | Severe Thunderstorm Warning | UNR | Tripp | 47 min |
| Aug 26, 5:15 AM CDT | Severe Thunderstorm Warning | FSD | Gregory | 30 min |
| Aug 26, 7:31 AM CDT | Severe Thunderstorm Warning | UNR | Bennett | 59 min |
| Aug 26, 10:41 AM CDT | Severe Thunderstorm Warning | UNR | Haakon | 64 min |
| Aug 26, 11:16 AM CDT | Severe Thunderstorm Warning | ABR | Corson | 29 min |
| Aug 26, 12:01 PM CDT | Severe Thunderstorm Warning | UNR | Jackson, Mellette | 59 min |
| Aug 26, 12:28 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 62 min |
| Aug 26, 12:38 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 67 min |
| Aug 26, 1:03 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 42 min |
| Aug 26, 1:15 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Custer, Fall River, Haakon, Jackson, Jones and 6 more | 6 hr |
| Aug 26, 1:26 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 64 min |
| Aug 26, 1:40 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 50 min |
| Aug 26, 2:27 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 63 min |
| Aug 26, 3:20 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 55 min |
| Aug 26, 3:25 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 35 min |
| Aug 26, 4:12 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 63 min |
| Aug 26, 4:42 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 63 min |
| Aug 26, 5:18 PM CDT | Tornado Warning | UNR | Custer | 42 min |
| Aug 26, 5:18 PM CDT | Tornado Warning | UNR | Custer | 42 min |
| Aug 26, 5:30 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 60 min |
| Aug 26, 6:00 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 45 min |
| Aug 26, 6:10 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Fall River | 5 hr |
| Aug 28, 7:44 AM CDT | Severe Thunderstorm Warning | ABR | Day, Marshall | 46 min |
| Aug 28, 2:50 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 55 min |
| Aug 28, 3:21 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Spink | 24 min |
| Aug 28, 3:45 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Spink | 45 min |
| Aug 28, 4:38 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 37 min |
| Aug 28, 5:01 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 29 min |
| Aug 28, 5:15 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 45 min |
| Aug 28, 5:28 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 32 min |
| Aug 28, 5:30 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 30 min |
| Aug 28, 5:35 PM CDT | Severe Thunderstorm Watch | SPC | Marshall, Roberts | 4 hr |
| Aug 28, 5:36 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 24 min |
| Aug 28, 5:41 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 34 min |
| Aug 28, 5:57 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 33 min |
| Aug 28, 6:01 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 44 min |
| Aug 28, 6:49 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 41 min |
| Aug 28, 7:25 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, McPherson | 35 min |
| Aug 29, 4:40 PM CDT | Severe Thunderstorm Watch | SPC | Butte, Custer, Harding, Lawrence, Pennington | 6 hr |
| Aug 29, 6:06 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 39 min |
| Aug 29, 6:45 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 60 min |
| Aug 29, 7:37 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 38 min |
| Aug 29, 8:01 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 59 min |
| Aug 30, 2:35 PM CDT | Severe Thunderstorm Watch | SPC | Campbell, Corson, Dewey, Edmunds, Faulk, Hand and 6 more | 5 hr |
| Aug 30, 7:46 PM CDT | Severe Thunderstorm Warning | ABR | Potter | 29 min |
| Aug 30, 8:16 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Potter | 44 min |
| Aug 31, 6:20 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Campbell, Clark, Codington, Corson, Day and 15 more | 6 hr |
| Aug 31, 6:31 PM CDT | Severe Thunderstorm Warning | ABR | Hyde, Sully | 44 min |
| Aug 31, 7:49 PM CDT | Severe Thunderstorm Warning | ABR | Faulk | 41 min |
| Aug 31, 8:29 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Potter | 46 min |
| Aug 31, 9:13 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Potter | 32 min |
| Aug 31, 9:41 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 34 min |
| Aug 31, 9:45 PM CDT | Severe Thunderstorm Warning | ABR | Faulk | 30 min |
| Aug 31, 10:40 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 20 min |
| Aug 31, 11:49 PM CDT | Severe Thunderstorm Warning | ABR | Brown, McPherson | 26 min |
| Sep 1, 3:45 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Lincoln, Minnehaha, Moody, Union | 5 hr |
| Sep 4, 6:24 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 66 min |
| Sep 4, 6:24 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 66 min |
| Sep 18, 3:14 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha | 31 min |
| Sep 18, 4:08 AM CDT | Severe Thunderstorm Warning | FSD | Brookings, Minnehaha, Moody | 22 min |
| Sep 18, 11:39 AM CDT | Flash Flood Warning | UNR | Lawrence | 6 hr |
| Sep 24, 6:30 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 30 min |
| Oct 1, 1:04 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Yankton | 36 min |
| Oct 1, 1:24 PM CDT | Severe Thunderstorm Warning | FSD | Turner | 36 min |
| Oct 1, 1:31 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 29 min |
| Oct 1, 1:59 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Turner | 41 min |
| Oct 1, 2:32 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 28 min |
| Oct 1, 3:30 PM CDT | Severe Thunderstorm Watch | SPC | Lincoln, Union | 6 hr |
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 | 572 |
| Tornado Warning | 24 |
| Severe Thunderstorm Watch | 53 |
| Tornado Watch | 7 |
| Flooding | |
| Flash Flood Warning | 21 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Minnehaha County43
- Spink County36
- Lincoln County35
- Yankton County34
- Roberts County34
- Faulk County34
- Union County33
- Clay County32
- Clark County32
- Brown County31
- Brookings County30
- Charles Mix County30
- Turner County29
- Moody County29
- Bon Homme County29
- McCook County28
- Grant County28
- Marshall County28
- Kingsbury County27
- Pennington County27
- Beadle County27
- McPherson County26
- Hutchinson County26
- Hyde County26
- Deuel County25
- Lake County25
- Aurora County25
- Sanborn County25
- Davison County25
- Hand County25
- Hughes County25
- Codington County24
- Hamlin County24
- Miner County24
- Edmunds County24
- Day County24
- Tripp County23
- Gregory County23
- Meade County21
- Campbell County21
26 more counties
- Hanson County21
- Custer County20
- Sully County20
- Corson County20
- Jerauld County20
- Brule County20
- Lawrence County19
- Stanley County18
- Dewey County18
- Lyman County18
- Douglas County17
- Perkins County17
- Bennett County16
- Fall River County16
- Mellette County16
- Harding County16
- Walworth County16
- Potter County16
- Butte County15
- Buffalo County15
- Todd County13
- Ziebach County10
- Jackson County10
- Jones County8
- Haakon County7
- Oglala Lakota County4
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20012003
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.