Weather alerts in South Dakota, 1997
728 weather alerts in 1997, 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 1997. Tap one for its archive.
- Alerts
- 728
- Warnings
- 675
- Watches
- 53
- Advisories
- 0
- Busiest month
- July275 alerts
- Busiest day
- June 20, 199753 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 30, 9:01 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 59 min |
| May 4, 6:05 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 45 min |
| May 4, 6:59 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 31 min |
| May 4, 7:34 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 46 min |
| May 4, 8:16 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Walworth | 29 min |
| May 4, 8:33 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 27 min |
| May 4, 9:58 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 32 min |
| May 16, 3:44 PM CDT | Severe Thunderstorm Warning | UNR | 16 min | |
| May 17, 7:08 PM CDT | Tornado Warning | ABR | Brown, Marshall | 32 min |
| May 17, 7:15 PM CDT | Tornado Watch | SPC | Brookings, Brown, Clark, Codington, Day, Deuel and 11 more | 6 hr |
| May 17, 7:41 PM CDT | Tornado Warning | ABR | Marshall | 19 min |
| May 17, 8:02 PM CDT | Tornado Warning | ABR | Marshall | 33 min |
| May 17, 8:38 PM CDT | Severe Thunderstorm Warning | ABR | Marshall, Roberts | 47 min |
| May 17, 9:26 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 49 min |
| Jun 1, 3:45 PM CDT | Severe Thunderstorm Watch | SPC | Butte, Campbell, Corson, Custer, Dewey, Edmunds and 10 more | 6 hr |
| Jun 1, 5:50 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 30 min |
| Jun 1, 6:20 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 30 min |
| Jun 1, 6:47 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 43 min |
| Jun 1, 7:15 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd | 35 min |
| Jun 1, 7:20 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 30 min |
| Jun 1, 7:36 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 44 min |
| Jun 1, 7:55 PM CDT | Flash Flood Warning | UNR | Mellette, Todd | 4 hr |
| Jun 1, 8:00 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 35 min |
| Jun 1, 8:04 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd | 61 min |
| Jun 1, 8:23 PM CDT | Severe Thunderstorm Warning | ABR | Walworth | 47 min |
| Jun 1, 8:31 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Mellette | 29 min |
| Jun 1, 8:36 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 44 min |
| Jun 1, 8:53 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, McPherson | 42 min |
| Jun 1, 9:10 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Todd | 30 min |
| Jun 1, 9:22 PM CDT | Flash Flood Warning | UNR | Bennett, Mellette, Todd | 5 hr |
| Jun 1, 9:34 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Todd | 46 min |
| Jun 2, 5:15 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 45 min |
| Jun 2, 6:25 PM CDT | Severe Thunderstorm Warning | ABR | Walworth | 60 min |
| Jun 2, 11:22 PM CDT | Flash Flood Warning | UNR | Bennett, Jackson | 6 hr |
| Jun 2, 11:22 PM CDT | Flash Flood Warning | UNR | Mellette | 6 hr |
| Jun 4, 5:30 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 30 min |
| Jun 4, 5:30 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 10 min |
| Jun 11, 12:05 PM CDT | Flash Flood Warning | UNR | Perkins, Ziebach | 6 hr |
| Jun 11, 1:36 PM CDT | Severe Thunderstorm Warning | UNR | 44 min | |
| Jun 11, 2:20 PM CDT | Severe Thunderstorm Warning | UNR | 45 min | |
| Jun 11, 2:29 PM CDT | Tornado Warning | UNR | Mellette | 31 min |
| Jun 11, 2:35 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 45 min |
| Jun 11, 3:02 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 63 min |
| Jun 11, 3:16 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 49 min |
| Jun 11, 3:30 PM CDT | Tornado Watch | SPC | Bennett, Gregory, Mellette, Todd, Tripp | 6 hr |
| Jun 11, 4:00 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 45 min |
| Jun 11, 4:28 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 47 min |
| Jun 11, 7:52 PM CDT | Flash Flood Warning | UNR | Meade, Ziebach | 6 hr |
| Jun 14, 2:28 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 32 min |
| Jun 14, 4:43 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade | 47 min |
| Jun 14, 5:00 PM CDT | Tornado Watch | SPC | Butte, Custer, Fall River, Lawrence, Meade, Oglala Lakota and 1 more | 6 hr |
| Jun 14, 5:18 PM CDT | Flash Flood Warning | UNR | Meade | 5 hr |
| Jun 14, 5:22 PM CDT | Tornado Warning | UNR | Meade | 33 min |
| Jun 14, 5:50 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 50 min |
| Jun 14, 5:53 PM CDT | Tornado Warning | UNR | Meade, Pennington | 32 min |
| Jun 14, 6:27 PM CDT | Tornado Warning | UNR | Meade, Pennington | 33 min |
| Jun 14, 6:38 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence | 32 min |
| Jun 14, 6:54 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding | 46 min |
| Jun 14, 7:01 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 64 min |
| Jun 15, 12:08 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, McPherson | 32 min |
| Jun 15, 2:40 PM CDT | Tornado Warning | UNR | Fall River | 35 min |
| Jun 16, 4:20 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 30 min |
| Jun 16, 4:47 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding, Perkins | 28 min |
| Jun 16, 7:36 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 49 min |
| Jun 16, 8:19 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 46 min |
| Jun 18, 5:31 PM CDT | Severe Thunderstorm Warning | UNR | Todd, Tripp | 49 min |
| Jun 18, 5:53 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 47 min |
| Jun 18, 6:26 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 59 min |
| Jun 18, 7:45 PM CDT | Severe Thunderstorm Watch | SPC | Butte, Custer, Fall River, Harding, Lawrence, Meade and 3 more | 5 hr |
| Jun 18, 9:54 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 31 min |
| Jun 18, 10:18 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 42 min |
| Jun 18, 10:23 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 32 min |
| Jun 18, 10:43 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 62 min |
| Jun 18, 11:00 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 30 min |
| Jun 18, 11:30 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 60 min |
| Jun 18, 11:45 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 45 min |
| Jun 19, 3:15 PM CDT | Tornado Watch | SPC | Bennett, Fall River, Oglala Lakota | 7 hr |
| Jun 19, 4:27 PM CDT | Severe Thunderstorm Warning | UNR | 48 min | |
| Jun 19, 6:30 PM CDT | Tornado Watch | SPC | Bon Homme, Clay, Gregory, Todd, Union, Yankton | 6 hr |
| Jun 19, 9:06 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, Turner | 34 min |
| Jun 19, 9:30 PM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Clay, Hanson, Hutchinson, Lincoln, McCook and 4 more | 5 hr |
| Jun 19, 9:39 PM CDT | Severe Thunderstorm Warning | FSD | McCook, Minnehaha, Turner | 31 min |
| Jun 19, 9:39 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 31 min |
| Jun 19, 9:47 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 48 min |
| Jun 19, 10:34 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 46 min |
| Jun 19, 11:03 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo | 62 min |
| Jun 19, 11:13 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 32 min |
| Jun 19, 11:22 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 48 min |
| Jun 19, 11:41 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 49 min |
| Jun 19, 11:46 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 34 min |
| Jun 19, 11:49 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Jerauld | 31 min |
| Jun 20, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bennett, Bon Homme, Brookings, Brule and 31 more | 5 hr |
| Jun 20, 12:24 AM CDT | Severe Thunderstorm Warning | UNR | Meade | 31 min |
| Jun 20, 12:25 AM CDT | Severe Thunderstorm Warning | FSD | Beadle | 35 min |
| Jun 20, 12:55 AM CDT | Severe Thunderstorm Warning | UNR | Haakon | 45 min |
| Jun 20, 1:06 AM CDT | Severe Thunderstorm Warning | UNR | Meade | 34 min |
| Jun 20, 1:13 AM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman | 32 min |
| Jun 20, 1:25 AM CDT | Severe Thunderstorm Warning | UNR | Pennington | 30 min |
| Jun 20, 1:34 AM CDT | Severe Thunderstorm Warning | ABR | Stanley | 31 min |
| Jun 20, 1:51 AM CDT | Severe Thunderstorm Warning | UNR | Haakon | 49 min |
| Jun 20, 1:53 AM CDT | Severe Thunderstorm Warning | ABR | Jones | 47 min |
| Jun 20, 1:54 AM CDT | Severe Thunderstorm Warning | ABR | Jones, Stanley | 46 min |
| Jun 20, 2:00 AM CDT | Severe Thunderstorm Warning | UNR | Meade | 45 min |
| Jun 20, 2:05 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman | 45 min |
| Jun 20, 2:22 AM CDT | Severe Thunderstorm Warning | ABR | Jones | 33 min |
| Jun 20, 2:30 AM CDT | Severe Thunderstorm Warning | UNR | Pennington | 30 min |
| Jun 20, 2:47 AM CDT | Severe Thunderstorm Warning | ABR | Stanley | 28 min |
| Jun 20, 2:47 AM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hyde | 28 min |
| Jun 20, 2:52 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman | 63 min |
| Jun 20, 2:55 AM CDT | Severe Thunderstorm Warning | ABR | Jones | 65 min |
| Jun 20, 3:05 AM CDT | Severe Thunderstorm Warning | FSD | Brule | 45 min |
| Jun 20, 3:14 AM CDT | Severe Thunderstorm Warning | ABR | Buffalo | 31 min |
| Jun 20, 3:23 AM CDT | Severe Thunderstorm Warning | FSD | Turner | 32 min |
| Jun 20, 3:37 AM CDT | Severe Thunderstorm Warning | UNR | Pennington | 48 min |
| Jun 20, 3:40 AM CDT | Severe Thunderstorm Warning | FSD | Aurora | 50 min |
| Jun 20, 3:56 AM CDT | Severe Thunderstorm Warning | ABR | Lyman | 49 min |
| Jun 20, 4:05 AM CDT | Severe Thunderstorm Warning | ABR | Jones | 65 min |
| Jun 20, 4:05 AM CDT | Severe Thunderstorm Warning | FSD | Brule | 35 min |
| Jun 20, 4:05 AM CDT | Severe Thunderstorm Warning | UNR | Pennington | 45 min |
| Jun 20, 4:13 AM CDT | Severe Thunderstorm Warning | FSD | Davison | 32 min |
| Jun 20, 4:32 AM CDT | Severe Thunderstorm Warning | FSD | Hanson | 33 min |
| Jun 20, 4:41 AM CDT | Severe Thunderstorm Warning | FSD | Brule | 19 min |
| Jun 20, 4:45 AM CDT | Severe Thunderstorm Warning | FSD | Aurora, Douglas | 30 min |
| Jun 20, 4:45 AM CDT | Severe Thunderstorm Warning | UNR | Jackson | 45 min |
| Jun 20, 4:54 AM CDT | Severe Thunderstorm Warning | UNR | Pennington | 46 min |
| Jun 20, 5:00 AM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 30 min |
| Jun 20, 5:00 AM CDT | Severe Thunderstorm Watch | SPC | Aurora, Bennett, Bon Homme, Brule, Buffalo, Charles Mix and 27 more | 5 hr |
| Jun 20, 5:14 AM CDT | Severe Thunderstorm Warning | FSD | Turner | 31 min |
| Jun 20, 5:19 AM CDT | Severe Thunderstorm Warning | FSD | Douglas, Hutchinson | 36 min |
| Jun 20, 5:32 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha | 33 min |
| Jun 20, 5:59 AM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, Yankton | 31 min |
| Jun 20, 6:38 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Union | 32 min |
| Jun 20, 10:21 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 49 min |
| Jun 20, 10:27 PM CDT | Severe Thunderstorm Warning | FSD | Union | 33 min |
| Jun 21, 1:24 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 46 min |
| Jun 21, 3:08 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 47 min |
| Jun 21, 3:57 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 63 min |
| Jun 21, 4:34 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 46 min |
| Jun 21, 5:01 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 49 min |
| Jun 21, 5:21 PM CDT | Tornado Warning | UNR | Pennington | 34 min |
| Jun 21, 5:34 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson | 46 min |
| Jun 21, 6:20 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson | 45 min |
| Jun 21, 7:03 PM CDT | Severe Thunderstorm Warning | UNR | Jackson, Mellette | 47 min |
| Jun 21, 7:47 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 48 min |
| Jun 21, 8:37 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd | 48 min |
| Jun 21, 11:22 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 48 min |
| Jun 21, 11:51 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 64 min |
| Jun 22, 12:05 AM CDT | Severe Thunderstorm Warning | UNR | 45 min | |
| Jun 22, 12:10 AM CDT | Severe Thunderstorm Warning | UNR | Fall River | 30 min |
| Jun 22, 12:32 AM CDT | Severe Thunderstorm Warning | UNR | 63 min | |
| Jun 22, 12:46 AM CDT | Severe Thunderstorm Warning | UNR | Pennington | 34 min |
| Jun 22, 1:05 AM CDT | Severe Thunderstorm Warning | UNR | Jackson | 35 min |
| Jun 22, 1:24 AM CDT | Severe Thunderstorm Warning | UNR | Haakon | 46 min |
| Jun 22, 4:03 AM CDT | Severe Thunderstorm Warning | UNR | Tripp | 47 min |
| Jun 22, 4:25 AM CDT | Severe Thunderstorm Warning | FSD | Gregory | 30 min |
| Jun 22, 5:54 AM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter | 46 min |
| Jun 22, 6:26 AM CDT | Severe Thunderstorm Warning | ABR | Corson | 64 min |
| Jun 22, 6:48 AM CDT | Severe Thunderstorm Warning | ABR | Walworth | 62 min |
| Jun 22, 7:19 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, Walworth | 61 min |
| Jun 22, 8:10 AM CDT | Severe Thunderstorm Warning | ABR | Walworth | 35 min |
| Jun 22, 8:15 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Faulk | 60 min |
| Jun 22, 10:23 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson | 47 min |
| Jun 22, 11:14 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Potter | 61 min |
| Jun 22, 11:21 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds, McPherson | 49 min |
| Jun 22, 11:25 AM CDT | Severe Thunderstorm Warning | ABR | Campbell | 65 min |
| Jun 22, 11:40 AM CDT | Tornado Warning | ABR | Edmunds | 45 min |
| Jun 22, 11:56 AM CDT | Severe Thunderstorm Warning | ABR | Faulk | 64 min |
| Jun 22, 12:00 PM CDT | Tornado Watch | SPC | Beadle, Brookings, Brown, Buffalo, Campbell, Clark and 29 more | 6 hr |
| Jun 22, 12:10 PM CDT | Tornado Warning | ABR | McPherson, Walworth | 30 min |
| Jun 22, 12:25 PM CDT | Tornado Warning | ABR | Edmunds | 65 min |
| Jun 22, 12:42 PM CDT | Tornado Warning | ABR | Faulk | 33 min |
| Jun 22, 12:46 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 64 min |
| Jun 22, 1:00 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 65 min |
| Jun 22, 1:18 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Hand | 62 min |
| Jun 22, 1:32 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds | 48 min |
| Jun 22, 2:05 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 60 min |
| Jun 22, 2:28 PM CDT | Tornado Warning | ABR | Spink | 32 min |
| Jun 22, 2:44 PM CDT | Tornado Warning | ABR | Clark | 61 min |
| Jun 22, 2:47 PM CDT | Tornado Warning | ABR | Clark | 58 min |
| Jun 22, 3:00 PM CDT | Tornado Warning | ABR | Spink | 35 min |
| Jun 22, 3:27 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 48 min |
| Jun 22, 3:34 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Hamlin | 61 min |
| Jun 22, 4:00 PM CDT | Tornado Warning | ABR | Hamlin | 50 min |
| Jun 22, 4:24 PM CDT | Tornado Warning | ABR | Deuel | 61 min |
| Jun 22, 4:26 PM CDT | Tornado Warning | ABR | Deuel | 59 min |
| Jun 22, 4:30 PM CDT | Tornado Watch | SPC | Harding, Perkins | 7 hr |
| Jun 22, 4:33 PM CDT | Tornado Warning | ABR | Hamlin | 32 min |
| Jun 22, 5:02 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 48 min |
| Jun 22, 5:11 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 49 min |
| Jun 22, 5:26 PM CDT | Tornado Warning | FSD | Brookings | 29 min |
| Jun 22, 5:33 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 47 min |
| Jun 22, 6:00 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Butte, Custer, Fall River, Haakon, Hughes and 13 more | 5 hr |
| Jun 22, 6:00 PM CDT | Tornado Watch | SPC | Beadle, Brookings, Buffalo, Clark, Codington, Day and 14 more | 5 hr |
| Jun 22, 6:06 PM CDT | Severe Thunderstorm Warning | ABR | Hamlin | 59 min |
| Jun 22, 6:22 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 48 min |
| Jun 22, 7:43 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 32 min |
| Jun 22, 8:26 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Pennington | 34 min |
| Jun 22, 9:01 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Pennington | 49 min |
| Jun 22, 10:17 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 33 min |
| Jun 22, 10:26 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Walworth | 49 min |
| Jun 23, 11:23 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 47 min |
| Jun 24, 1:16 AM CDT | Severe Thunderstorm Warning | UNR | 49 min | |
| Jun 24, 1:48 AM CDT | Severe Thunderstorm Warning | UNR | Perkins | 47 min |
| Jun 24, 2:02 AM CDT | Severe Thunderstorm Warning | ABR | Corson | 43 min |
| Jun 24, 2:04 AM CDT | Severe Thunderstorm Warning | UNR | Meade, Ziebach | 46 min |
| Jun 24, 2:13 AM CDT | Tornado Warning | UNR | Ziebach | 47 min |
| Jun 24, 2:20 AM CDT | Severe Thunderstorm Warning | ABR | Dewey | 60 min |
| Jun 24, 2:45 AM CDT | Severe Thunderstorm Watch | SPC | Brown, Campbell, Corson, Dewey, Edmunds, Faulk and 6 more | 4 hr |
| Jun 24, 2:48 AM CDT | Severe Thunderstorm Warning | ABR | Corson | 47 min |
| Jun 24, 3:25 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson, Walworth | 50 min |
| Jun 24, 3:25 AM CDT | Severe Thunderstorm Warning | ABR | Dewey | 50 min |
| Jun 27, 8:01 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 34 min |
| Jun 27, 8:41 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 49 min |
| Jun 27, 11:40 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 50 min |
| Jun 28, 8:24 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds, McPherson | 46 min |
| Jun 28, 8:53 AM CDT | Tornado Warning | ABR | Edmunds | 47 min |
| Jun 28, 8:58 AM CDT | Tornado Warning | ABR | Faulk, Potter | 47 min |
| Jun 28, 9:00 AM CDT | Severe Thunderstorm Watch | SPC | Beadle, Brown, Clark, Codington, Day, Edmunds and 9 more | 6 hr |
| Jun 28, 9:14 AM CDT | Severe Thunderstorm Warning | ABR | Brown, McPherson | 51 min |
| Jun 28, 9:38 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 47 min |
| Jun 28, 9:55 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 65 min |
| Jun 28, 10:05 AM CDT | Severe Thunderstorm Warning | ABR | Brown | 45 min |
| Jun 28, 10:47 AM CDT | Severe Thunderstorm Warning | ABR | Day, Marshall, Roberts | 63 min |
| Jun 28, 10:02 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 33 min |
| Jun 28, 11:46 PM CDT | Severe Thunderstorm Warning | ABR | Grant | 34 min |
| Jun 29, 1:23 AM CDT | Severe Thunderstorm Warning | UNR | Pennington | 47 min |
| Jun 29, 2:10 AM CDT | Severe Thunderstorm Warning | UNR | Pennington | 50 min |
| Jun 29, 2:28 AM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson | 47 min |
| Jun 29, 3:14 AM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson | 46 min |
| Jun 29, 4:01 AM CDT | Severe Thunderstorm Warning | ABR | Jones, Stanley | 64 min |
| Jun 29, 3:55 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Pennington | 45 min |
| Jun 29, 4:37 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 58 min |
| Jun 29, 5:05 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 60 min |
| Jun 29, 6:23 PM CDT | Tornado Warning | ABR | Day | 32 min |
| Jun 29, 6:57 PM CDT | Tornado Warning | ABR | Day | 33 min |
| Jun 29, 7:34 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 61 min |
| Jun 30, 2:00 AM CDT | Severe Thunderstorm Warning | UNR | Harding | 60 min |
| Jun 30, 3:00 AM CDT | Severe Thunderstorm Warning | UNR | Harding | 30 min |
| Jun 30, 3:30 AM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 60 min |
| Jun 30, 4:30 AM CDT | Severe Thunderstorm Warning | UNR | Perkins | 65 min |
| Jun 30, 4:30 AM CDT | Severe Thunderstorm Warning | UNR | Perkins | 25 min |
| Jun 30, 5:05 AM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 60 min |
| Jun 30, 5:58 AM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 62 min |
| Jun 30, 6:29 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, Walworth | 61 min |
| Jun 30, 7:00 AM CDT | Severe Thunderstorm Warning | ABR | Dewey | 30 min |
| Jun 30, 7:10 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds, McPherson | 50 min |
| Jun 30, 7:29 AM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter | 61 min |
| Jun 30, 8:13 AM CDT | Severe Thunderstorm Warning | ABR | Sully | 47 min |
| Jun 30, 9:08 AM CDT | Severe Thunderstorm Warning | ABR | Hyde | 62 min |
| Jun 30, 9:16 AM CDT | Severe Thunderstorm Warning | ABR | Hyde | 54 min |
| Jun 30, 9:30 AM CDT | Severe Thunderstorm Warning | ABR | Hand | 50 min |
| Jun 30, 4:42 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 63 min |
| Jun 30, 5:00 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Bennett, Brule, Charles Mix, Davison, Douglas and 7 more | 6 hr |
| Jun 30, 5:09 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 61 min |
| Jun 30, 5:42 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Todd | 63 min |
| Jun 30, 6:28 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman | 57 min |
| Jun 30, 6:38 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 62 min |
| Jun 30, 7:26 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 59 min |
| Jun 30, 8:44 PM CDT | Severe Thunderstorm Warning | ABR | Hyde | 46 min |
| Jun 30, 9:19 PM CDT | Severe Thunderstorm Warning | ABR | Faulk | 76 min |
| Jun 30, 9:58 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 32 min |
| Jun 30, 11:45 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 35 min |
| Jul 1, 12:27 AM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade | 48 min |
| Jul 1, 1:34 AM CDT | Severe Thunderstorm Warning | UNR | Perkins | 46 min |
| Jul 1, 4:11 AM CDT | Severe Thunderstorm Warning | UNR | Haakon | 49 min |
| Jul 1, 4:13 AM CDT | Severe Thunderstorm Warning | ABR | Stanley | 62 min |
| Jul 1, 4:36 AM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 49 min |
| Jul 1, 5:18 AM CDT | Severe Thunderstorm Warning | UNR | Haakon, Ziebach | 62 min |
| Jul 1, 6:13 AM CDT | Severe Thunderstorm Warning | ABR | Dewey | 62 min |
| Jul 1, 6:15 AM CDT | Tornado Watch | SPC | Bennett, Butte, Campbell, Corson, Custer, Dewey and 20 more | 7 hr |
| Jul 1, 6:36 AM CDT | Severe Thunderstorm Warning | ABR | Jones | 64 min |
| Jul 1, 7:47 AM CDT | Severe Thunderstorm Warning | ABR | Jones | 48 min |
| Jul 1, 8:19 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 61 min |
| Jul 1, 12:07 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde, Sully | 63 min |
| Jul 1, 12:48 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 47 min |
| Jul 1, 1:00 PM CDT | Tornado Watch | SPC | Aurora, Beadle, Brookings, Brown, Brule, Clark and 22 more | 6 hr |
| Jul 1, 1:20 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 60 min |
| Jul 1, 1:38 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Hamlin | 62 min |
| Jul 1, 2:24 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 36 min |
| Jul 1, 3:22 PM CDT | Severe Thunderstorm Warning | ABR | Hamlin | 48 min |
| Jul 1, 3:28 PM CDT | Severe Thunderstorm Warning | ABR | Day | 47 min |
| Jul 1, 4:00 PM CDT | Tornado Watch | SPC | Campbell, Corson, Dewey, Edmunds, Potter, Walworth | 5 hr |
| Jul 6, 10:45 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Butte, Custer, Fall River, Haakon, Harding and 7 more | 6 hr |
| Jul 6, 11:15 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 65 min |
| Jul 6, 11:42 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 58 min |
| Jul 6, 11:51 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 59 min |
| Jul 7, 12:00 AM CDT | Severe Thunderstorm Warning | UNR | Butte | 30 min |
| Jul 7, 12:26 AM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 64 min |
| Jul 7, 12:46 AM CDT | Severe Thunderstorm Warning | UNR | Meade | 64 min |
| Jul 7, 1:09 AM CDT | Severe Thunderstorm Warning | UNR | Pennington | 61 min |
| Jul 7, 3:36 AM CDT | Severe Thunderstorm Warning | ABR | Potter | 34 min |
| Jul 7, 4:06 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Walworth | 34 min |
| Jul 7, 4:00 PM CDT | Tornado Watch | SPC | Clay, Lake, Lincoln, McCook, Minnehaha, Moody and 3 more | 6 hr |
| Jul 7, 4:02 PM CDT | Severe Thunderstorm Warning | FSD | Turner | 33 min |
| Jul 7, 4:14 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha | 46 min |
| Jul 7, 4:41 PM CDT | Tornado Warning | FSD | Lincoln, Minnehaha | 29 min |
| Jul 7, 4:56 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Union | 34 min |
| Jul 7, 5:05 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 30 min |
| Jul 7, 5:08 PM CDT | Tornado Warning | FSD | Union | 32 min |
| Jul 7, 5:16 PM CDT | Tornado Warning | FSD | Lincoln | 34 min |
| Jul 7, 5:18 PM CDT | Severe Thunderstorm Warning | ABR | Day | 47 min |
| Jul 8, 4:23 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 47 min |
| Jul 8, 5:33 PM CDT | Flash Flood Warning | UNR | Pennington | 6 hr |
| Jul 10, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Harding, Perkins | 6 hr |
| Jul 10, 5:52 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 33 min |
| Jul 10, 6:01 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 34 min |
| Jul 10, 6:30 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 30 min |
| Jul 10, 6:44 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 31 min |
| Jul 10, 8:24 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 31 min |
| Jul 11, 2:21 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 64 min |
| Jul 11, 5:37 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 63 min |
| Jul 11, 5:42 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 33 min |
| Jul 11, 6:14 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 31 min |
| Jul 11, 7:32 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 48 min |
| Jul 11, 7:43 PM CDT | Flash Flood Warning | UNR | Edmunds | 8 hr |
| Jul 11, 9:13 PM CDT | Flash Flood Warning | ABR | Corson, Dewey, Walworth | 4 hr |
| Jul 11, 10:24 PM CDT | Severe Thunderstorm Warning | ABR | Potter, Sully | 46 min |
| Jul 12, 2:36 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 44 min |
| Jul 12, 3:00 PM CDT | Tornado Watch | SPC | Butte, Custer, Fall River, Lawrence, Meade, Oglala Lakota and 1 more | 6 hr |
| Jul 12, 4:38 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence | 32 min |
| Jul 12, 4:41 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 49 min |
| Jul 12, 4:48 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade | 62 min |
| Jul 12, 5:23 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 62 min |
| Jul 12, 6:14 PM CDT | Severe Thunderstorm Warning | UNR | 61 min | |
| Jul 12, 7:06 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade, Pennington | 34 min |
| Jul 12, 7:12 PM CDT | Severe Thunderstorm Warning | UNR | 33 min | |
| Jul 12, 7:33 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson | 67 min |
| Jul 12, 7:38 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 62 min |
| Jul 12, 8:15 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Corson, Dewey, Haakon, Harding, Jackson and 9 more | 5 hr |
| Jul 12, 8:25 PM CDT | Severe Thunderstorm Warning | UNR | Haakon | 65 min |
| Jul 12, 11:19 PM CDT | Severe Thunderstorm Warning | ABR | Potter, Sully | 31 min |
| Jul 13, 5:00 AM CDT | Severe Thunderstorm Warning | FSD | Clay | 45 min |
| Jul 13, 3:50 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 30 min |
| Jul 13, 4:00 PM CDT | Severe Thunderstorm Warning | FSD | Turner | 20 min |
| Jul 13, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Brookings, Clay, Codington, Deuel, Grant, Hamlin and 7 more | 6 hr |
| Jul 13, 4:21 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 29 min |
| Jul 13, 4:36 PM CDT | Severe Thunderstorm Warning | FSD | Moody | 34 min |
| Jul 15, 11:36 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury, Miner | 44 min |
| Jul 16, 12:37 AM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 48 min |
| Jul 16, 7:02 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 48 min |
| Jul 16, 7:24 PM CDT | Tornado Warning | ABR | Hughes | 46 min |
| Jul 16, 7:30 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Brookings, Brown, Brule, Buffalo and 33 more | 6 hr |
| Jul 16, 7:46 PM CDT | Severe Thunderstorm Warning | ABR | Stanley | 64 min |
| Jul 16, 7:53 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 47 min |
| Jul 16, 8:05 PM CDT | Tornado Warning | ABR | Hughes | 35 min |
| Jul 16, 8:13 PM CDT | Tornado Warning | ABR | Potter | 47 min |
| Jul 16, 8:21 PM CDT | Severe Thunderstorm Warning | ABR | Hyde | 49 min |
| Jul 16, 8:52 PM CDT | Severe Thunderstorm Warning | ABR | Faulk | 63 min |
| Jul 16, 8:59 PM CDT | Severe Thunderstorm Warning | ABR | Day | 46 min |
| Jul 16, 9:47 PM CDT | Tornado Warning | ABR | Day | 48 min |
| Jul 16, 9:55 PM CDT | Severe Thunderstorm Warning | ABR | Faulk | 50 min |
| Jul 16, 10:16 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Spink | 49 min |
| Jul 16, 10:32 PM CDT | Severe Thunderstorm Warning | ABR | Day | 33 min |
| Jul 16, 11:06 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Day, Spink | 64 min |
| Jul 16, 11:32 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Grant | 63 min |
| Jul 16, 11:40 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Grant | 55 min |
| Jul 17, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | Brookings, Codington, Day, Deuel, Grant, Hamlin and 5 more | 6 hr |
| Jul 18, 12:47 AM CDT | Severe Thunderstorm Warning | ABR | Hand, Hyde | 48 min |
| Jul 18, 2:05 AM CDT | Severe Thunderstorm Warning | ABR | Faulk, Spink | 50 min |
| Jul 18, 2:58 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Spink | 62 min |
| Jul 18, 3:20 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Day | 50 min |
| Jul 18, 3:24 AM CDT | Tornado Warning | ABR | Clark | 31 min |
| Jul 18, 3:38 AM CDT | Severe Thunderstorm Warning | ABR | Codington | 62 min |
| Jul 18, 3:50 AM CDT | Tornado Warning | ABR | Day | 30 min |
| Jul 18, 4:12 AM CDT | Severe Thunderstorm Warning | ABR | Grant | 48 min |
| Jul 18, 4:34 AM CDT | Severe Thunderstorm Warning | ABR | Deuel | 36 min |
| Jul 18, 5:01 AM CDT | Severe Thunderstorm Warning | ABR | Grant | 24 min |
| Jul 18, 4:45 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 60 min |
| Jul 18, 7:39 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 61 min |
| Jul 18, 8:05 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 65 min |
| Jul 18, 8:27 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 63 min |
| Jul 18, 8:38 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 62 min |
| Jul 18, 8:43 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 62 min |
| Jul 18, 8:52 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 63 min |
| Jul 18, 9:00 PM CDT | Severe Thunderstorm Watch | SPC | Campbell, Dewey, Haakon, Hughes, Jackson, Jones and 7 more | 5 hr |
| Jul 18, 9:00 PM CDT | Severe Thunderstorm Warning | UNR | 60 min | |
| Jul 18, 9:01 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 49 min |
| Jul 18, 9:20 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 65 min |
| Jul 18, 9:51 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 64 min |
| Jul 18, 10:08 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson | 62 min |
| Jul 18, 10:34 PM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 66 min |
| Jul 18, 10:51 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Stanley | 59 min |
| Jul 18, 11:52 PM CDT | Severe Thunderstorm Warning | ABR | Potter, Walworth | 63 min |
| Jul 18, 11:52 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman, Sully | 63 min |
| Jul 19, 3:00 PM CDT | Severe Thunderstorm Watch | SPC | Beadle, Brown, Clark, Codington, Day, Edmunds and 13 more | 5 hr |
| Jul 19, 3:10 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 50 min |
| Jul 19, 3:55 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 65 min |
| Jul 19, 4:55 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 65 min |
| Jul 19, 5:20 PM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 60 min |
| Jul 19, 6:15 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 65 min |
| Jul 19, 6:18 PM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 67 min |
| Jul 19, 6:22 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 63 min |
| Jul 19, 6:55 PM CDT | Flash Flood Warning | UNR | Bennett | 6 hr |
| Jul 19, 7:21 PM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 34 min |
| Jul 19, 7:25 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 60 min |
| Jul 19, 7:46 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 64 min |
| Jul 19, 8:05 PM CDT | Severe Thunderstorm Warning | UNR | 60 min | |
| Jul 19, 8:12 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 63 min |
| Jul 19, 8:30 PM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Clay, Hanson, Hutchinson, Lincoln, McCook and 4 more | 5 hr |
| Jul 19, 8:50 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 65 min |
| Jul 19, 9:09 PM CDT | Flash Flood Warning | UNR | Pennington | 4 hr |
| Jul 19, 9:26 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 49 min |
| Jul 19, 9:30 PM CDT | Severe Thunderstorm Warning | ABR | Grant, Roberts | 45 min |
| Jul 19, 9:42 PM CDT | Tornado Warning | ABR | Grant | 33 min |
| Jul 20, 2:22 AM CDT | Severe Thunderstorm Warning | ABR | Hand | 48 min |
| Jul 20, 3:26 AM CDT | Severe Thunderstorm Warning | FSD | Beadle | 34 min |
| Jul 20, 3:31 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 49 min |
| Jul 20, 4:13 AM CDT | Severe Thunderstorm Warning | ABR | Day | 62 min |
| Jul 20, 5:27 AM CDT | Severe Thunderstorm Warning | ABR | Roberts | 63 min |
| Jul 21, 1:57 AM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence | 63 min |
| Jul 22, 6:10 AM CDT | Severe Thunderstorm Warning | UNR | Jackson | 45 min |
| Jul 22, 6:34 AM CDT | Severe Thunderstorm Warning | UNR | Haakon | 46 min |
| Jul 22, 6:54 AM CDT | Severe Thunderstorm Warning | UNR | Jackson | 46 min |
| Jul 22, 7:18 AM CDT | Severe Thunderstorm Warning | UNR | Mellette, Tripp | 47 min |
| Jul 22, 8:02 AM CDT | Severe Thunderstorm Warning | UNR | Tripp | 48 min |
| Jul 22, 8:10 AM CDT | Severe Thunderstorm Warning | UNR | Tripp | 40 min |
| Jul 22, 4:50 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 65 min |
| Jul 22, 5:00 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Bon Homme, Brule, Charles Mix, Davison, Douglas and 7 more | 5 hr |
| Jul 22, 6:02 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 63 min |
| Jul 22, 7:54 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 31 min |
| Jul 23, 3:53 AM CDT | Severe Thunderstorm Warning | FSD | McCook | 32 min |
| Jul 23, 4:33 AM CDT | Severe Thunderstorm Warning | FSD | McCook | 32 min |
| Jul 23, 4:50 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 50 min |
| Jul 23, 5:13 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 47 min |
| Jul 23, 7:29 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 46 min |
| Jul 23, 7:54 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Pennington | 61 min |
| Jul 23, 8:10 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 60 min |
| Jul 23, 8:30 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Bennett, Brule, Buffalo, Campbell, Charles Mix and 24 more | 6 hr |
| Jul 23, 8:37 PM CDT | Severe Thunderstorm Warning | ABR | Stanley | 48 min |
| Jul 23, 8:58 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Pennington | 57 min |
| Jul 23, 9:14 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 61 min |
| Jul 23, 9:35 PM CDT | Flash Flood Warning | ABR | Stanley | 3 hr |
| Jul 23, 9:38 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 47 min |
| Jul 23, 9:43 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 62 min |
| Jul 23, 10:05 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 60 min |
| Jul 23, 11:02 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Pennington | 63 min |
| Jul 24, 12:09 AM CDT | Severe Thunderstorm Warning | ABR | Hughes | 46 min |
| Jul 24, 12:31 AM CDT | Severe Thunderstorm Warning | ABR | Hyde, Sully | 64 min |
| Jul 24, 12:44 AM CDT | Flash Flood Warning | ABR | Hughes, Stanley | 2 hr |
| Jul 24, 12:49 AM CDT | Severe Thunderstorm Warning | ABR | Hand | 61 min |
| Jul 24, 1:22 AM CDT | Severe Thunderstorm Warning | FSD | Beadle | 63 min |
| Jul 24, 1:32 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 63 min |
| Jul 24, 2:00 AM CDT | Severe Thunderstorm Watch | SPC | Beadle, Brookings, Brown, Buffalo, Clark, Codington and 18 more | 5 hr |
| Jul 24, 3:17 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 63 min |
| Jul 24, 4:30 PM CDT | Tornado Watch | SPC | Bon Homme, Charles Mix, Clay, Douglas, Hutchinson, Lincoln and 5 more | 6 hr |
| Jul 24, 4:38 PM CDT | Flash Flood Warning | UNR | Lawrence | 4 hr |
| Jul 24, 4:41 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 34 min |
| Jul 24, 5:37 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 48 min |
| Jul 24, 6:15 PM CDT | Tornado Warning | UNR | Pennington | 50 min |
| Jul 24, 6:30 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 45 min |
| Jul 24, 6:45 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson | 60 min |
| Jul 24, 7:15 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 35 min |
| Jul 24, 7:15 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 60 min |
| Jul 24, 7:16 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 64 min |
| Jul 24, 7:25 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 60 min |
| Jul 24, 7:40 PM CDT | Severe Thunderstorm Warning | UNR | Haakon | 60 min |
| Jul 24, 7:42 PM CDT | Tornado Warning | UNR | Pennington | 48 min |
| Jul 24, 7:45 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Bennett, Brule, Buffalo, Charles Mix, Gregory and 12 more | 5 hr |
| Jul 24, 7:51 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 24 min |
| Jul 24, 8:04 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 61 min |
| Jul 24, 8:12 PM CDT | Tornado Warning | FSD | Moody | 33 min |
| Jul 24, 8:18 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 32 min |
| Jul 24, 8:20 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 65 min |
| Jul 24, 8:27 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 63 min |
| Jul 24, 8:36 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 64 min |
| Jul 24, 8:42 PM CDT | Severe Thunderstorm Warning | UNR | Haakon | 33 min |
| Jul 24, 8:57 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 63 min |
| Jul 24, 9:07 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Spink | 63 min |
| Jul 24, 9:08 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury | 47 min |
| Jul 24, 9:21 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 64 min |
| Jul 24, 9:36 PM CDT | Severe Thunderstorm Warning | FSD | Hanson | 34 min |
| Jul 24, 9:45 PM CDT | Tornado Warning | ABR | Clark | 30 min |
| Jul 24, 9:49 PM CDT | Tornado Warning | FSD | Kingsbury | 31 min |
| Jul 24, 9:51 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Hamlin | 94 min |
| Jul 24, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bon Homme, Brookings, Clark, Clay and 19 more | 6 hr |
| Jul 24, 10:20 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 60 min |
| Jul 24, 10:33 PM CDT | Tornado Warning | FSD | Kingsbury | 32 min |
| Jul 24, 11:05 PM CDT | Tornado Warning | FSD | Kingsbury | 35 min |
| Jul 24, 11:14 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 31 min |
| Jul 24, 11:21 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 34 min |
| Jul 24, 11:41 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 49 min |
| Jul 25, 12:02 AM CDT | Tornado Warning | FSD | Kingsbury | 33 min |
| Jul 25, 12:07 AM CDT | Severe Thunderstorm Warning | ABR | Hamlin | 48 min |
| Jul 25, 12:14 AM CDT | Flash Flood Warning | ABR | Clark, Codington, Deuel, Hamlin | 3 hr |
| Jul 25, 4:37 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, McPherson | 58 min |
| Jul 25, 4:51 PM CDT | Tornado Warning | ABR | McPherson | 44 min |
| Jul 25, 5:37 PM CDT | Tornado Warning | ABR | Edmunds, McPherson | 58 min |
| Jul 25, 6:00 PM CDT | Tornado Watch | SPC | Beadle, Brookings, Brown, Campbell, Clark, Codington and 17 more | 5 hr |
| Jul 25, 6:00 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 45 min |
| Jul 25, 6:22 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 63 min |
| Jul 25, 6:36 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 64 min |
| Jul 25, 6:45 PM CDT | Tornado Warning | ABR | Edmunds | 50 min |
| Jul 25, 6:56 PM CDT | Tornado Warning | ABR | Brown | 34 min |
| Jul 25, 7:15 PM CDT | Tornado Warning | ABR | Marshall | 50 min |
| Jul 25, 7:25 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 65 min |
| Jul 25, 7:31 PM CDT | Tornado Warning | ABR | Brown, Spink | 49 min |
| Jul 25, 7:46 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 64 min |
| Jul 25, 7:59 PM CDT | Tornado Warning | ABR | Dewey | 61 min |
| Jul 25, 8:21 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 59 min |
| Jul 25, 8:26 PM CDT | Tornado Warning | ABR | Spink | 64 min |
| Jul 25, 8:43 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 62 min |
| Jul 25, 8:52 PM CDT | Severe Thunderstorm Warning | ABR | Potter | 63 min |
| Jul 25, 9:43 PM CDT | Severe Thunderstorm Warning | ABR | Hamlin | 47 min |
| Jul 25, 9:54 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 46 min |
| Jul 25, 10:13 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 47 min |
| Jul 25, 10:45 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 50 min |
| Jul 25, 11:00 PM CDT | Severe Thunderstorm Watch | SPC | Brookings, Hamlin, Hanson, Kingsbury, Lake, Lincoln and 5 more | 4 hr |
| Jul 25, 11:03 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury, Lake | 47 min |
| Jul 25, 11:32 PM CDT | Tornado Warning | FSD | Lake | 48 min |
| Jul 26, 1:02 AM CDT | Severe Thunderstorm Warning | UNR | Perkins | 48 min |
| Jul 26, 1:25 AM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 60 min |
| Jul 26, 1:29 AM CDT | Severe Thunderstorm Warning | UNR | Butte | 46 min |
| Jul 26, 2:14 AM CDT | Severe Thunderstorm Warning | UNR | Butte | 46 min |
| Jul 26, 2:45 AM CDT | Severe Thunderstorm Warning | UNR | Meade | 60 min |
| Jul 26, 5:03 AM CDT | Severe Thunderstorm Warning | ABR | Dewey | 32 min |
| Jul 26, 5:22 AM CDT | Severe Thunderstorm Warning | ABR | Potter, Sully | 63 min |
| Jul 27, 4:00 AM CDT | Severe Thunderstorm Warning | UNR | Jackson | 35 min |
| Jul 27, 4:36 AM CDT | Severe Thunderstorm Warning | ABR | Jones | 49 min |
| Jul 27, 5:41 AM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd | 59 min |
| Jul 27, 7:24 AM CDT | Severe Thunderstorm Warning | FSD | Gregory | 46 min |
| Jul 27, 8:02 AM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 33 min |
| Jul 27, 8:09 AM CDT | Severe Thunderstorm Warning | FSD | Douglas, Hutchinson | 51 min |
| Jul 27, 9:00 AM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, Yankton | 45 min |
| Jul 27, 9:12 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 33 min |
| Jul 27, 9:32 AM CDT | Severe Thunderstorm Warning | FSD | Yankton | 43 min |
| Jul 27, 9:48 AM CDT | Severe Thunderstorm Warning | FSD | Clay | 47 min |
| Jul 27, 9:57 AM CDT | Severe Thunderstorm Warning | FSD | Turner | 33 min |
| Jul 27, 10:21 AM CDT | Severe Thunderstorm Warning | FSD | Union | 44 min |
| Jul 27, 10:37 AM CDT | Severe Thunderstorm Warning | FSD | Clay | 33 min |
| Jul 27, 11:02 AM CDT | Tornado Warning | FSD | Union | 33 min |
| Jul 27, 6:02 PM CDT | Tornado Warning | ABR | Codington, Hamlin | 48 min |
| Jul 27, 6:24 PM CDT | Flash Flood Warning | ABR | Codington, Deuel, Hamlin | 3 hr |
| Aug 1, 4:20 PM CDT | Flash Flood Warning | UNR | Meade, Pennington | 4 hr |
| Aug 1, 4:20 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 4 hr |
| Aug 1, 5:15 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 35 min |
| Aug 1, 5:44 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 61 min |
| Aug 2, 12:46 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 49 min |
| Aug 2, 1:16 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 49 min |
| Aug 2, 1:55 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 45 min |
| Aug 2, 2:31 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade | 49 min |
| Aug 2, 3:05 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 35 min |
| Aug 2, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Beadle, Brown, Buffalo, Campbell, Clark, Codington and 21 more | 6 hr |
| Aug 2, 4:17 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Spink | 48 min |
| Aug 2, 4:24 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 61 min |
| Aug 2, 4:28 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 62 min |
| Aug 2, 4:41 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Marshall | 59 min |
| Aug 2, 4:50 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 45 min |
| Aug 2, 4:56 PM CDT | Tornado Warning | ABR | Dewey | 34 min |
| Aug 2, 4:56 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 49 min |
| Aug 2, 5:05 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 50 min |
| Aug 2, 5:09 PM CDT | Severe Thunderstorm Warning | UNR | 46 min | |
| Aug 2, 5:10 PM CDT | Severe Thunderstorm Warning | ABR | Potter | 65 min |
| Aug 2, 5:12 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 63 min |
| Aug 2, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Brookings, Deuel, Grant | 6 hr |
| Aug 2, 5:42 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 48 min |
| Aug 2, 5:54 PM CDT | Severe Thunderstorm Warning | UNR | 46 min | |
| Aug 2, 6:07 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 63 min |
| Aug 2, 6:08 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 47 min |
| Aug 2, 6:13 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 47 min |
| Aug 2, 6:13 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 32 min |
| Aug 2, 6:32 PM CDT | Severe Thunderstorm Warning | ABR | Day | 63 min |
| Aug 2, 8:11 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 49 min |
| Aug 2, 8:37 PM CDT | Severe Thunderstorm Warning | FSD | Sanborn | 33 min |
| Aug 3, 5:22 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 33 min |
| Aug 3, 6:15 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter | 30 min |
| Aug 3, 6:37 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 33 min |
| Aug 3, 6:55 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 45 min |
| Aug 3, 7:09 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Sully | 31 min |
| Aug 4, 4:59 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 46 min |
| Aug 4, 5:13 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 47 min |
| Aug 5, 8:45 PM CDT | Severe Thunderstorm Watch | SPC | Beadle, Brookings, Brown, Clark, Codington, Day and 12 more | 5 hr |
| Aug 5, 8:54 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 76 min |
| Aug 5, 8:54 PM CDT | Tornado Warning | ABR | Roberts | 76 min |
| Aug 5, 9:58 PM CDT | Severe Thunderstorm Warning | ABR | Grant | 47 min |
| Aug 8, 8:38 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding | 57 min |
| Aug 8, 10:07 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 63 min |
| Aug 8, 10:17 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 63 min |
| Aug 8, 10:50 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 50 min |
| Aug 8, 11:38 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 47 min |
| Aug 9, 1:50 AM CDT | Severe Thunderstorm Warning | ABR | Dewey | 60 min |
| Aug 9, 3:02 AM CDT | Severe Thunderstorm Warning | ABR | Faulk, Spink | 63 min |
| Aug 9, 3:11 AM CDT | Severe Thunderstorm Warning | ABR | Sully | 64 min |
| Aug 9, 4:16 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde, Sully | 64 min |
| Aug 9, 8:07 AM CDT | Severe Thunderstorm Warning | ABR | Hand | 33 min |
| Aug 9, 10:02 AM CDT | Severe Thunderstorm Warning | ABR | Clark | 48 min |
| Aug 9, 10:08 AM CDT | Severe Thunderstorm Warning | FSD | Beadle | 32 min |
| Aug 9, 10:41 AM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 34 min |
| Aug 13, 2:22 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 63 min |
| Aug 13, 3:20 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 60 min |
| Aug 13, 3:26 PM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 59 min |
| Aug 13, 4:09 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 61 min |
| Aug 13, 4:24 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 61 min |
| Aug 13, 4:37 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Ziebach | 63 min |
| Aug 13, 4:41 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 49 min |
| Aug 13, 4:50 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Custer, Fall River, Haakon, Hughes, Jackson and 7 more | 5 hr |
| Aug 13, 4:58 PM CDT | Tornado Warning | UNR | Mellette | 32 min |
| Aug 13, 5:11 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 64 min |
| Aug 13, 5:24 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 66 min |
| Aug 13, 5:25 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 50 min |
| Aug 13, 5:31 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 49 min |
| Aug 13, 5:38 PM CDT | Severe Thunderstorm Warning | UNR | Haakon | 47 min |
| Aug 13, 5:44 PM CDT | Severe Thunderstorm Warning | ABR | Stanley | 46 min |
| Aug 13, 7:01 PM CDT | Severe Thunderstorm Warning | ABR | Hughes | 34 min |
| Aug 13, 7:16 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 34 min |
| Aug 13, 7:54 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman | 31 min |
| Aug 13, 7:55 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 45 min |
| Aug 13, 8:31 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 49 min |
| Aug 13, 9:18 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 47 min |
| Aug 14, 5:09 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 51 min |
| Aug 14, 5:39 PM CDT | Severe Thunderstorm Warning | ABR | Walworth | 51 min |
| Aug 14, 6:49 PM CDT | Severe Thunderstorm Warning | ABR | Hughes | 31 min |
| Aug 14, 8:15 PM CDT | Severe Thunderstorm Watch | SPC | Union | 5 hr |
| Aug 18, 2:06 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 44 min |
| Aug 18, 7:10 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 65 min |
| Aug 18, 9:35 PM CDT | Severe Thunderstorm Warning | UNR | 45 min | |
| Aug 18, 10:21 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson | 64 min |
| Aug 18, 10:29 PM CDT | Flash Flood Warning | UNR | 4 hr | |
| Aug 19, 3:10 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Pennington | 45 min |
| Aug 19, 3:23 PM CDT | Severe Thunderstorm Warning | UNR | Haakon | 62 min |
| Aug 19, 3:47 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 63 min |
| Aug 19, 3:59 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson | 61 min |
| Aug 19, 4:36 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 49 min |
| Aug 19, 4:48 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 32 min |
| Aug 19, 4:52 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 33 min |
| Aug 19, 5:12 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Todd | 63 min |
| Aug 19, 5:23 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Sully | 32 min |
| Aug 19, 5:41 PM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 49 min |
| Aug 19, 6:20 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 45 min |
| Aug 19, 6:56 PM CDT | Severe Thunderstorm Warning | ABR | Stanley | 34 min |
| Aug 19, 7:27 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Stanley | 33 min |
| Aug 26, 3:10 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 60 min |
| Aug 26, 3:48 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 67 min |
| Aug 26, 5:10 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 60 min |
| Aug 26, 5:22 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 63 min |
| Aug 26, 5:30 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 60 min |
| Aug 26, 7:00 PM CDT | Severe Thunderstorm Warning | UNR | Haakon | 65 min |
| Aug 26, 7:56 PM CDT | Flash Flood Warning | UNR | Haakon, Jackson | 5 hr |
| Aug 26, 8:56 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 64 min |
| Aug 28, 4:50 AM CDT | Severe Thunderstorm Warning | UNR | Perkins | 50 min |
| Aug 28, 5:27 AM CDT | Severe Thunderstorm Warning | ABR | Corson | 63 min |
| Aug 29, 12:58 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 62 min |
| Aug 29, 2:28 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 62 min |
| Aug 29, 4:01 PM CDT | Severe Thunderstorm Warning | ABR | Hand, Hyde | 49 min |
| Aug 29, 4:25 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 30 min |
| Aug 29, 4:59 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 31 min |
| Aug 29, 6:25 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 30 min |
| Aug 29, 6:54 PM CDT | Severe Thunderstorm Warning | ABR | Day | 46 min |
| Aug 29, 7:31 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 64 min |
| Aug 29, 7:44 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 66 min |
| Aug 29, 7:50 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Day | 65 min |
| Aug 29, 8:06 PM CDT | Severe Thunderstorm Warning | ABR | Grant, Roberts | 64 min |
| Aug 29, 8:27 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey, Walworth | 63 min |
| Aug 29, 9:38 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds | 62 min |
| Aug 30, 5:36 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 59 min |
| Aug 31, 7:08 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 32 min |
| Aug 31, 7:33 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 32 min |
| Aug 31, 7:40 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 20 min |
| Aug 31, 8:05 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 35 min |
| Sep 1, 2:30 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bon Homme, Brookings, Brule, Buffalo and 23 more | 6 hr |
| Sep 4, 9:47 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 48 min |
| Sep 6, 4:11 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 49 min |
| Sep 6, 4:36 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 59 min |
| Sep 6, 4:47 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 63 min |
| Sep 6, 5:00 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Brule, Buffalo, Charles Mix, Davison, Douglas and 7 more | 6 hr |
| Sep 6, 5:26 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 59 min |
| Sep 6, 5:56 PM CDT | Severe Thunderstorm Warning | UNR | Haakon | 49 min |
| Sep 6, 6:13 PM CDT | Severe Thunderstorm Warning | ABR | Stanley | 62 min |
| Sep 6, 7:14 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 61 min |
| Sep 7, 11:50 PM CDT | Severe Thunderstorm Warning | UNR | 30 min | |
| Sep 8, 10:30 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Day | 50 min |
| Sep 8, 11:15 AM CDT | Severe Thunderstorm Warning | ABR | Codington | 45 min |
| Sep 8, 11:21 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 49 min |
| Sep 8, 11:37 AM CDT | Severe Thunderstorm Warning | FSD | Beadle, Jerauld | 33 min |
| Sep 8, 11:42 AM CDT | Severe Thunderstorm Warning | ABR | Clark | 48 min |
| Sep 8, 12:08 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Sanborn | 32 min |
| Sep 8, 12:10 PM CDT | Severe Thunderstorm Warning | ABR | Hamlin | 60 min |
| Sep 8, 12:28 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury | 27 min |
| Sep 8, 12:58 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury | 32 min |
| Sep 8, 1:24 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Moody | 31 min |
| Sep 8, 1:55 PM CDT | Severe Thunderstorm Warning | FSD | Moody | 30 min |
| Sep 8, 2:10 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 30 min |
| Sep 8, 2:22 PM CDT | Severe Thunderstorm Warning | FSD | Turner | 33 min |
| Sep 8, 2:25 PM CDT | Tornado Warning | FSD | Hutchinson, Turner | 35 min |
| Sep 8, 2:29 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 31 min |
| Sep 8, 3:06 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 34 min |
| Sep 8, 3:13 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Yankton | 32 min |
| Sep 8, 3:15 PM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Clay, Yankton | 6 hr |
| Sep 8, 3:42 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 33 min |
| Sep 12, 7:16 AM CDT | Severe Thunderstorm Warning | ABR | Brown | 34 min |
| Sep 12, 7:52 AM CDT | Severe Thunderstorm Warning | ABR | Brown | 33 min |
| Sep 12, 8:25 AM CDT | Severe Thunderstorm Warning | ABR | Brown | 25 min |
| Sep 14, 5:45 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Brown, Brule, Buffalo, Clark and 21 more | 5 hr |
| Sep 14, 5:49 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 56 min |
| Sep 14, 6:37 PM CDT | Severe Thunderstorm Warning | ABR | Potter, Walworth | 73 min |
| Sep 14, 6:56 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 29 min |
| Sep 14, 7:00 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 60 min |
| Sep 14, 7:52 PM CDT | Severe Thunderstorm Warning | ABR | Potter, Sully | 68 min |
| Sep 14, 8:38 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde | 62 min |
| Sep 14, 9:01 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 49 min |
| Sep 14, 10:41 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 49 min |
| Sep 14, 11:44 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 46 min |
| Sep 15, 12:40 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 50 min |
| Sep 15, 12:57 AM CDT | Severe Thunderstorm Warning | ABR | Faulk | 48 min |
| Sep 15, 11:00 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Campbell, Corson, Dewey, Edmunds, Faulk and 4 more | 6 hr |
| Sep 18, 8:25 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 30 min |
| Sep 18, 9:15 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Lincoln, Union | 7 hr |
| Oct 8, 2:03 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 32 min |
| Oct 8, 6:45 PM CDT | Tornado Watch | SPC | Lincoln | 5 hr |
| Oct 8, 7:05 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 30 min |
| Oct 11, 4:15 PM CDT | Tornado Watch | SPC | Bennett, Campbell, Corson, Custer, Dewey, Fall River and 16 more | 6 hr |
| Oct 11, 5:08 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 47 min |
| Oct 11, 5:20 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 45 min |
| Oct 11, 5:59 PM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 46 min |
| Oct 11, 6:04 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 46 min |
| Oct 11, 6:12 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 33 min |
| Oct 11, 6:17 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 33 min |
| Oct 11, 6:43 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 32 min |
| Oct 11, 6:52 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 43 min |
| Oct 11, 6:55 PM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 50 min |
| Oct 11, 6:59 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 46 min |
| Oct 11, 7:08 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 37 min |
| Oct 11, 7:32 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson, Walworth | 48 min |
| Oct 11, 7:43 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 47 min |
| Oct 11, 7:45 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 45 min |
| Oct 11, 7:45 PM CDT | Severe Thunderstorm Warning | UNR | Haakon | 45 min |
| Oct 11, 8:22 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 63 min |
| Oct 11, 8:26 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 34 min |
| Oct 11, 9:45 PM CDT | Tornado Watch | SPC | Aurora, Beadle, Bennett, Brown, Brule, Buffalo and 30 more | 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 | 595 |
| Tornado Warning | 60 |
| Severe Thunderstorm Watch | 35 |
| Tornado Watch | 18 |
| Flooding | |
| Flash Flood Warning | 20 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pennington County80
- Meade County56
- Haakon County45
- Jackson County44
- Mellette County40
- Dewey County39
- Spink County36
- Jones County34
- Sully County34
- Hughes County33
- Corson County32
- Walworth County32
- Edmunds County32
- Todd County32
- Bennett County31
- Stanley County31
- Brown County30
- Clark County30
- Day County29
- Hamlin County29
- Potter County29
- Perkins County28
- McPherson County28
- Custer County28
- Ziebach County28
- Beadle County28
- Kingsbury County27
- Codington County26
- Butte County26
- Hand County26
- Hyde County26
- Faulk County26
- Campbell County25
- Tripp County25
- Minnehaha County24
- Lyman County24
- Fall River County23
- Lawrence County23
- Brookings County22
- Grant County22
26 more counties
- Harding County21
- Marshall County21
- Roberts County21
- Lincoln County21
- Turner County20
- Deuel County19
- Gregory County19
- Lake County18
- Moody County18
- McCook County17
- Brule County17
- Clay County16
- Union County16
- Buffalo County16
- Jerauld County16
- Sanborn County16
- Yankton County15
- Hutchinson County15
- Aurora County15
- Miner County14
- Douglas County14
- Hanson County13
- Charles Mix County13
- Oglala Lakota County12
- Bon Homme County11
- Davison County11
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19961998
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.