Alert archive / South Dakota / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in South Dakota, 1986
296 severe thunderstorm warnings in 1986. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in 1986. Tap one for its archive.
- Severe Thunderstorm Warnings
- 296
- Busiest month
- July110 severe thunderstorm warnings
- Busiest day
- May 8, 198619 severe thunderstorm warnings
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 12:25 PM CST | Severe Thunderstorm Warning | ABR | Day | 65 min |
| Apr 26, 3:39 PM CST | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix | 66 min |
| Apr 26, 4:13 PM CST | Severe Thunderstorm Warning | FSD | Hutchinson, Turner, Yankton | 62 min |
| Apr 26, 5:07 PM CST | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha, Turner | 68 min |
| Apr 26, 6:23 PM CST | Severe Thunderstorm Warning | FSD | Clay, Lincoln, Turner, Union | 67 min |
| Apr 26, 6:40 PM CST | Severe Thunderstorm Warning | FSD | Yankton | 65 min |
| Apr 26, 8:18 PM CST | Severe Thunderstorm Warning | ABR | Brown | 57 min |
| Apr 30, 1:21 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Marshall | 69 min |
| May 7, 4:11 AM CDT | Severe Thunderstorm Warning | ABR | Miner, Sanborn | 54 min |
| May 7, 7:36 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson | 54 min |
| May 7, 8:27 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix | 53 min |
| May 7, 9:23 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 57 min |
| May 7, 9:53 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 67 min |
| May 7, 9:53 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 67 min |
| May 7, 10:25 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, Turner | 65 min |
| May 7, 10:25 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Lincoln | 65 min |
| May 7, 11:06 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha | 59 min |
| May 7, 11:06 PM CDT | Severe Thunderstorm Warning | FSD | Douglas | 59 min |
| May 7, 11:06 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 59 min |
| May 7, 11:32 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Turner | 59 min |
| May 8, 9:37 AM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter, Walworth | 68 min |
| May 8, 11:48 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 57 min |
| May 8, 5:09 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman | 51 min |
| May 8, 5:09 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 51 min |
| May 8, 6:01 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 29 min |
| May 8, 6:07 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 43 min |
| May 8, 6:20 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 30 min |
| May 8, 6:24 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Sully | 36 min |
| May 10, 5:50 PM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook, Minnehaha, Turner | 55 min |
| May 10, 5:50 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Yankton | 55 min |
| May 10, 7:00 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Lincoln | 60 min |
| May 10, 7:00 PM CDT | Severe Thunderstorm Warning | FSD | Moody | 60 min |
| May 10, 7:00 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 60 min |
| May 11, 7:24 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 66 min |
| May 11, 7:48 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 42 min |
| May 11, 8:25 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 40 min |
| May 11, 9:32 PM CDT | Severe Thunderstorm Warning | FSD | Todd | 3 hr |
| May 12, 1:05 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 60 min |
| May 12, 2:06 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 69 min |
| May 29, 7:06 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 44 min |
| Jun 3, 6:21 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 69 min |
| Jun 3, 10:45 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 60 min |
| Jun 6, 2:30 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 60 min |
| Jun 6, 3:39 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 66 min |
| Jun 6, 6:24 PM CDT | Severe Thunderstorm Warning | FSD | Tripp | 66 min |
| Jun 6, 6:26 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Sully | 64 min |
| Jun 6, 6:26 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 64 min |
| Jun 6, 6:28 PM CDT | Severe Thunderstorm Warning | FSD | Tripp | 62 min |
| Jun 6, 6:44 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 61 min |
| Jun 6, 6:58 PM CDT | Severe Thunderstorm Warning | FSD | Todd | 62 min |
| Jun 6, 7:17 PM CDT | Severe Thunderstorm Warning | ABR | Hand, Hyde | 58 min |
| Jun 6, 7:22 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 68 min |
| Jun 6, 7:43 PM CDT | Severe Thunderstorm Warning | FSD | Gregory, Tripp | 62 min |
| Jun 6, 7:59 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 61 min |
| Jun 6, 8:02 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo | 58 min |
| Jun 6, 8:03 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Spink | 57 min |
| Jun 6, 8:41 PM CDT | Severe Thunderstorm Warning | ABR | Beadle, Clark | 64 min |
| Jun 6, 8:54 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 66 min |
| Jun 6, 9:13 PM CDT | Severe Thunderstorm Warning | ABR | Kingsbury, Miner, Sanborn | 62 min |
| Jun 6, 9:28 PM CDT | Severe Thunderstorm Warning | FSD | Hanson | 62 min |
| Jun 6, 9:57 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 63 min |
| Jun 6, 10:18 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha, Turner | 57 min |
| Jun 6, 10:18 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Moody | 57 min |
| Jun 6, 10:44 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 36 min |
| Jun 13, 7:13 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade, Perkins | 47 min |
| Jun 13, 7:13 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Pennington | 47 min |
| Jun 13, 7:48 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 72 min |
| Jun 13, 7:48 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 72 min |
| Jun 14, 3:49 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 56 min |
| Jun 15, 5:35 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 55 min |
| Jun 19, 9:41 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde, Sully | 64 min |
| Jun 19, 11:25 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 65 min |
| Jun 21, 3:05 PM CDT | Severe Thunderstorm Warning | ABR | Beadle | 55 min |
| Jun 21, 3:56 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Hamlin | 64 min |
| Jun 21, 5:05 PM CDT | Severe Thunderstorm Warning | ABR | Miner | 55 min |
| Jun 21, 5:43 PM CDT | Severe Thunderstorm Warning | FSD | Lake | 62 min |
| Jun 21, 6:26 PM CDT | Severe Thunderstorm Warning | ABR | Kingsbury, Miner | 64 min |
| Jun 21, 7:26 PM CDT | Severe Thunderstorm Warning | FSD | Lake | 64 min |
| Jun 21, 8:32 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Moody | 58 min |
| Jun 21, 9:15 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha, Moody | 60 min |
| Jun 21, 9:33 PM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook | 57 min |
| Jun 21, 9:58 PM CDT | Severe Thunderstorm Warning | FSD | Tripp | 62 min |
| Jun 21, 10:44 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 61 min |
| Jun 22, 12:06 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Lincoln, Turner, Yankton | 69 min |
| Jun 22, 12:06 AM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, McCook, Minnehaha | 69 min |
| Jun 22, 12:07 AM CDT | Severe Thunderstorm Warning | FSD | Union | 68 min |
| Jun 22, 12:14 AM CDT | Severe Thunderstorm Warning | ABR | Miner | 61 min |
| Jun 22, 12:29 AM CDT | Severe Thunderstorm Warning | ABR | Hamlin, Kingsbury | 61 min |
| Jun 22, 12:29 AM CDT | Severe Thunderstorm Warning | ABR | Deuel | 61 min |
| Jun 27, 10:03 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 57 min |
| Jun 27, 10:03 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 102 min |
| Jun 27, 10:09 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 56 min |
| Jun 27, 10:56 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 64 min |
| Jun 27, 11:18 PM CDT | Severe Thunderstorm Warning | ABR | Walworth | 57 min |
| Jun 27, 11:51 PM CDT | Severe Thunderstorm Warning | ABR | Brown, McPherson | 69 min |
| Jun 28, 2:57 AM CDT | Severe Thunderstorm Warning | FSD | Brookings, Moody | 63 min |
| Jun 28, 3:51 AM CDT | Severe Thunderstorm Warning | FSD | Lake, Minnehaha, Moody | 69 min |
| Jun 28, 8:32 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Yankton | 58 min |
| Jun 28, 9:49 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Yankton | 56 min |
| Jun 28, 9:49 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 56 min |
| Jun 29, 3:11 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 34 min |
| Jun 29, 3:17 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson | 58 min |
| Jun 29, 5:38 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 67 min |
| Jun 29, 6:02 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Yankton | 58 min |
| Jun 29, 6:02 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 58 min |
| Jun 29, 6:09 PM CDT | Severe Thunderstorm Warning | FSD | Union | 66 min |
| Jun 29, 6:17 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 58 min |
| Jun 30, 2:28 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade | 62 min |
| Jun 30, 4:15 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 60 min |
| Jun 30, 5:22 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 68 min |
| Jun 30, 6:23 PM CDT | Severe Thunderstorm Warning | UNR | 67 min | |
| Jun 30, 7:59 PM CDT | Severe Thunderstorm Warning | FSD | Mellette | 46 min |
| Jul 1, 3:39 PM CDT | Severe Thunderstorm Warning | FSD | Moody | 55 min |
| Jul 3, 5:13 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 62 min |
| Jul 3, 5:58 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 62 min |
| Jul 3, 7:53 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo | 52 min |
| Jul 4, 5:31 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 59 min |
| Jul 4, 6:22 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade, Pennington | 68 min |
| Jul 5, 2:30 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 60 min |
| Jul 7, 8:23 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 52 min |
| Jul 10, 8:22 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule | 58 min |
| Jul 10, 9:25 PM CDT | Severe Thunderstorm Warning | FSD | Moody | 65 min |
| Jul 10, 10:45 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Turner | 60 min |
| Jul 10, 10:53 PM CDT | Severe Thunderstorm Warning | FSD | Union | 62 min |
| Jul 10, 11:06 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 54 min |
| Jul 10, 11:08 PM CDT | Severe Thunderstorm Warning | FSD | Moody | 67 min |
| Jul 10, 11:36 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 69 min |
| Jul 11, 1:33 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Day | 57 min |
| Jul 14, 12:22 AM CDT | Severe Thunderstorm Warning | FSD | Brule | 38 min |
| Jul 14, 12:22 AM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 68 min |
| Jul 14, 12:55 AM CDT | Severe Thunderstorm Warning | FSD | Gregory | 35 min |
| Jul 14, 1:21 AM CDT | Severe Thunderstorm Warning | ABR | Dewey, Walworth | 69 min |
| Jul 14, 6:50 AM CDT | Severe Thunderstorm Warning | FSD | Minnehaha, Moody | 55 min |
| Jul 14, 6:50 AM CDT | Severe Thunderstorm Warning | FSD | Brookings | 55 min |
| Jul 15, 1:25 AM CDT | Severe Thunderstorm Warning | ABR | Walworth | 65 min |
| Jul 15, 2:00 AM CDT | Severe Thunderstorm Warning | ABR | Potter, Walworth | 60 min |
| Jul 15, 2:59 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Potter, Walworth | 61 min |
| Jul 15, 4:33 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds, Spink | 57 min |
| Jul 15, 11:43 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson | 32 min |
| Jul 16, 1:02 AM CDT | Severe Thunderstorm Warning | ABR | Jones, Stanley | 58 min |
| Jul 16, 1:34 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Sully | 56 min |
| Jul 16, 2:34 AM CDT | Severe Thunderstorm Warning | ABR | Potter | 56 min |
| Jul 16, 3:09 AM CDT | Severe Thunderstorm Warning | ABR | Walworth | 66 min |
| Jul 17, 5:14 PM CDT | Severe Thunderstorm Warning | ABR | Sanborn | 61 min |
| Jul 17, 6:47 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 58 min |
| Jul 18, 1:03 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 57 min |
| Jul 18, 1:42 PM CDT | Severe Thunderstorm Warning | FSD | Aurora | 23 min |
| Jul 18, 2:55 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington | 65 min |
| Jul 18, 3:24 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Hamlin, Kingsbury | 51 min |
| Jul 18, 4:13 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Hamlin | 47 min |
| Jul 18, 4:27 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Hamlin | 33 min |
| Jul 18, 4:35 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 55 min |
| Jul 18, 6:04 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 56 min |
| Jul 18, 7:02 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 58 min |
| Jul 18, 7:34 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 56 min |
| Jul 18, 8:00 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Walworth | 60 min |
| Jul 23, 7:28 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 62 min |
| Jul 23, 8:20 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 55 min |
| Jul 23, 9:12 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 63 min |
| Jul 23, 9:34 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 56 min |
| Jul 23, 10:54 PM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 41 min |
| Jul 25, 2:07 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 68 min |
| Jul 25, 4:01 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 59 min |
| Jul 25, 4:33 PM CDT | Severe Thunderstorm Warning | ABR | Walworth | 57 min |
| Jul 25, 6:17 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 58 min |
| Jul 25, 8:20 PM CDT | Severe Thunderstorm Warning | ABR | Beadle | 55 min |
| Jul 25, 9:09 PM CDT | Severe Thunderstorm Warning | ABR | Beadle, Kingsbury | 66 min |
| Jul 26, 12:42 AM CDT | Severe Thunderstorm Warning | ABR | Jerauld, Sanborn | 48 min |
| Jul 26, 2:10 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 65 min |
| Jul 26, 4:35 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 55 min |
| Jul 26, 4:43 PM CDT | Severe Thunderstorm Warning | UNR | Jackson, Pennington | 62 min |
| Jul 26, 5:34 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 56 min |
| Jul 26, 5:42 PM CDT | Severe Thunderstorm Warning | ABR | Walworth | 63 min |
| Jul 26, 6:33 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 57 min |
| Jul 26, 6:39 PM CDT | Severe Thunderstorm Warning | ABR | Jerauld, Sanborn | 66 min |
| Jul 26, 6:45 PM CDT | Severe Thunderstorm Warning | ABR | Walworth | 60 min |
| Jul 26, 6:51 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 69 min |
| Jul 26, 8:01 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Potter | 59 min |
| Jul 26, 11:41 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson | 64 min |
| Jul 27, 12:45 AM CDT | Severe Thunderstorm Warning | FSD | Brookings | 60 min |
| Jul 27, 1:02 PM CDT | Severe Thunderstorm Warning | ABR | Kingsbury | 28 min |
| Jul 27, 1:49 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 56 min |
| Jul 27, 3:12 PM CDT | Severe Thunderstorm Warning | FSD | Mellette, Todd | 63 min |
| Jul 27, 4:18 PM CDT | Severe Thunderstorm Warning | FSD | Tripp | 57 min |
| Jul 27, 5:07 PM CDT | Severe Thunderstorm Warning | ABR | Hand, Hyde | 68 min |
| Jul 27, 6:21 PM CDT | Severe Thunderstorm Warning | ABR | Jerauld | 69 min |
| Jul 27, 6:40 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins | 65 min |
| Jul 28, 3:07 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, McPherson | 33 min |
| Jul 28, 3:17 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 58 min |
| Jul 28, 3:54 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 51 min |
| Jul 28, 4:01 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hyde | 59 min |
| Jul 28, 4:27 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 63 min |
| Jul 28, 4:36 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 69 min |
| Jul 28, 4:46 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule | 59 min |
| Jul 28, 5:41 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 64 min |
| Jul 28, 5:47 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule | 58 min |
| Jul 28, 5:47 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Douglas | 58 min |
| Jul 28, 5:54 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 66 min |
| Jul 28, 5:58 PM CDT | Severe Thunderstorm Warning | FSD | Union | 62 min |
| Jul 28, 7:45 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 60 min |
| Jul 29, 5:55 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix, Hutchinson, Yankton | 65 min |
| Jul 29, 5:55 PM CDT | Severe Thunderstorm Warning | FSD | Douglas | 65 min |
| Jul 29, 6:07 PM CDT | Severe Thunderstorm Warning | FSD | Hanson, McCook | 68 min |
| Jul 29, 8:00 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Hamlin, Kingsbury | 60 min |
| Jul 29, 8:26 PM CDT | Severe Thunderstorm Warning | ABR | Day | 64 min |
| Jul 29, 8:56 PM CDT | Severe Thunderstorm Warning | ABR | Hamlin, Kingsbury | 64 min |
| Jul 29, 8:56 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 64 min |
| Jul 29, 9:05 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 55 min |
| Jul 29, 9:31 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Turner, Yankton | 59 min |
| Jul 29, 10:00 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 30 min |
| Jul 29, 10:03 PM CDT | Severe Thunderstorm Warning | ABR | Day | 57 min |
| Jul 29, 10:08 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 67 min |
| Jul 29, 10:17 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 58 min |
| Jul 29, 10:19 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Grant | 56 min |
| Jul 29, 10:50 PM CDT | Severe Thunderstorm Warning | ABR | Walworth | 55 min |
| Jul 29, 11:00 PM CDT | Severe Thunderstorm Warning | ABR | Day | 60 min |
| Jul 29, 11:11 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 64 min |
| Jul 29, 11:36 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, McPherson | 69 min |
| Jul 30, 2:46 AM CDT | Severe Thunderstorm Warning | ABR | Faulk, Spink | 59 min |
| Jul 30, 8:26 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson | 49 min |
| Jul 30, 9:09 PM CDT | Severe Thunderstorm Warning | FSD | Todd | 51 min |
| Aug 1, 2:12 AM CDT | Severe Thunderstorm Warning | UNR | Fall River | 63 min |
| Aug 1, 3:20 AM CDT | Severe Thunderstorm Warning | UNR | Bennett | 55 min |
| Aug 1, 5:37 AM CDT | Severe Thunderstorm Warning | UNR | Fall River | 58 min |
| Aug 1, 6:31 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, Turner | 59 min |
| Aug 3, 4:20 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 15 min |
| Aug 3, 7:22 PM CDT | Severe Thunderstorm Warning | FSD | Tripp | 68 min |
| Aug 3, 8:29 PM CDT | Severe Thunderstorm Warning | FSD | Tripp | 36 min |
| Aug 4, 5:02 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 58 min |
| Aug 4, 4:45 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 55 min |
| Aug 4, 6:00 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson | 50 min |
| Aug 6, 4:57 PM CDT | Severe Thunderstorm Warning | FSD | Todd, Tripp | 2 hr |
| Aug 6, 5:06 PM CDT | Severe Thunderstorm Warning | ABR | Hughes | 69 min |
| Aug 6, 6:24 PM CDT | Severe Thunderstorm Warning | FSD | Tripp | 66 min |
| Aug 6, 6:38 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Lyman | 67 min |
| Aug 6, 7:19 PM CDT | Severe Thunderstorm Warning | ABR | Hughes | 56 min |
| Aug 6, 7:59 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 61 min |
| Aug 6, 8:03 PM CDT | Severe Thunderstorm Warning | FSD | Brule, Charles Mix, Gregory | 57 min |
| Aug 6, 8:27 PM CDT | Severe Thunderstorm Warning | FSD | Tripp | 63 min |
| Aug 6, 9:04 PM CDT | Severe Thunderstorm Warning | FSD | Tripp | 56 min |
| Aug 6, 9:25 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 65 min |
| Aug 7, 1:17 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington | 58 min |
| Aug 9, 2:02 PM CDT | Severe Thunderstorm Warning | FSD | Todd | 58 min |
| Aug 9, 2:36 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 59 min |
| Aug 9, 5:27 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Hutchinson | 63 min |
| Aug 9, 5:27 PM CDT | Severe Thunderstorm Warning | FSD | Douglas | 63 min |
| Aug 9, 5:57 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha, Turner | 63 min |
| Aug 9, 5:57 PM CDT | Severe Thunderstorm Warning | FSD | Moody | 63 min |
| Aug 12, 5:16 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 59 min |
| Aug 12, 7:33 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 57 min |
| Aug 12, 9:06 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley, Sully | 69 min |
| Aug 16, 6:44 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 61 min |
| Aug 16, 6:51 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Spink | 69 min |
| Aug 16, 7:02 PM CDT | Severe Thunderstorm Warning | ABR | Jerauld | 58 min |
| Aug 16, 8:06 PM CDT | Severe Thunderstorm Warning | ABR | Beadle, Clark | 69 min |
| Aug 16, 8:06 PM CDT | Severe Thunderstorm Warning | ABR | Jerauld | 69 min |
| Aug 16, 8:53 PM CDT | Severe Thunderstorm Warning | ABR | Miner, Sanborn | 67 min |
| Aug 16, 9:16 PM CDT | Severe Thunderstorm Warning | FSD | Hanson, McCook | 59 min |
| Aug 16, 9:16 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule | 59 min |
| Aug 16, 9:16 PM CDT | Severe Thunderstorm Warning | FSD | Davison | 59 min |
| Aug 16, 10:05 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Minnehaha | 55 min |
| Aug 16, 10:05 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Turner | 55 min |
| Aug 16, 10:17 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Douglas, Hutchinson | 58 min |
| Aug 16, 10:17 PM CDT | Severe Thunderstorm Warning | FSD | Hanson | 58 min |
| Aug 16, 10:37 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Lincoln, Turner | 68 min |
| Aug 16, 10:37 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 68 min |
| Aug 16, 11:06 PM CDT | Severe Thunderstorm Warning | FSD | Union | 54 min |
| Aug 18, 5:18 AM CDT | Severe Thunderstorm Warning | FSD | Todd | 57 min |
| Aug 19, 5:20 AM CDT | Severe Thunderstorm Warning | ABR | Brown, McPherson | 55 min |
| Aug 19, 6:02 AM CDT | Severe Thunderstorm Warning | ABR | Brown | 58 min |
| Aug 19, 6:37 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 68 min |
| Aug 19, 7:37 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 68 min |
| Aug 19, 8:47 PM CDT | Severe Thunderstorm Warning | ABR | Walworth | 58 min |
| Aug 19, 9:35 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 55 min |
| Aug 19, 10:28 PM CDT | Severe Thunderstorm Warning | ABR | Brown, McPherson | 62 min |
| Aug 20, 4:39 AM CDT | Severe Thunderstorm Warning | ABR | Faulk | 26 min |
| Aug 31, 6:18 PM CDT | Severe Thunderstorm Warning | ABR | Beadle, Jerauld | 58 min |
| Aug 31, 10:38 PM CDT | Severe Thunderstorm Warning | FSD | Tripp | 67 min |
| Aug 31, 11:09 PM CDT | Severe Thunderstorm Warning | ABR | Faulk | 36 min |
| Sep 9, 6:18 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix, Hutchinson | 57 min |
| Sep 9, 10:26 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Yankton | 64 min |
| Sep 19, 2:07 AM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, McCook, Turner | 68 min |
| Sep 20, 11:07 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 68 min |
| Sep 20, 11:35 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Charles Mix | 35 min |
| Sep 20, 11:55 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison, Douglas | 65 min |
| Sep 21, 12:32 AM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson, Hutchinson | 58 min |
| Sep 21, 1:07 AM CDT | Severe Thunderstorm Warning | ABR | Sanborn | 68 min |
| Sep 21, 1:17 AM CDT | Severe Thunderstorm Warning | ABR | Miner | 58 min |
| Sep 21, 1:19 AM CDT | Severe Thunderstorm Warning | FSD | McCook, Minnehaha | 56 min |
| Sep 21, 1:19 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 56 min |
| Sep 21, 1:46 AM CDT | Severe Thunderstorm Warning | FSD | Lake, Moody | 59 min |
| Sep 21, 2:22 AM CDT | Severe Thunderstorm Warning | FSD | Minnehaha, Moody | 53 min |
| Sep 24, 7:15 PM CDT | Severe Thunderstorm Warning | FSD | Mellette, Todd | 60 min |
| Sep 24, 8:07 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 68 min |
| Sep 24, 8:12 PM CDT | Severe Thunderstorm Warning | FSD | Mellette, Todd | 63 min |
| Sep 24, 8:44 PM CDT | Severe Thunderstorm Warning | ABR | Stanley | 61 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Minnehaha County16
- Turner County15
- Lincoln County14
- Meade County14
- Pennington County14
- Clay County13
- Walworth County13
- Moody County13
- Yankton County12
- Tripp County12
- Hutchinson County11
- Hughes County11
- Brule County11
- Bon Homme County10
- Charles Mix County10
- Brown County10
- McCook County10
- Spink County9
- Lake County9
- Corson County9
- Todd County9
- Gregory County8
- Kingsbury County8
- Miner County7
- Sanborn County7
- Dewey County7
- Sully County7
- Clark County7
- Hamlin County7
- McPherson County7
- Aurora County7
- Union County6
- Jackson County6
- Douglas County6
- Lyman County6
- Beadle County6
- Hanson County6
- Codington County6
- Campbell County6
- Stanley County6
24 more counties
- Jerauld County6
- Davison County6
- Day County5
- Potter County5
- Brookings County5
- Edmunds County5
- Deuel County5
- Hyde County4
- Buffalo County4
- Fall River County4
- Mellette County4
- Faulk County4
- Marshall County3
- Hand County3
- Perkins County3
- Lawrence County3
- Custer County3
- Roberts County3
- Bennett County3
- Haakon County2
- Butte County2
- Jones County2
- Ziebach County1
- Grant County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.