Alert archive / South Dakota / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in South Dakota, 1990
287 severe thunderstorm warnings in 1990. 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 1990. Tap one for its archive.
- Severe Thunderstorm Warnings
- 287
- Busiest month
- June106 severe thunderstorm warnings
- Busiest day
- August 26, 199023 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 |
|---|---|---|---|---|
| Mar 13, 8:54 PM CST | Severe Thunderstorm Warning | FSD | Union | 51 min |
| Mar 13, 9:54 PM CST | Severe Thunderstorm Warning | FSD | Union | 21 min |
| Apr 22, 10:22 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Day | 18 min |
| May 18, 3:30 PM CDT | Severe Thunderstorm Warning | ABR | Potter | 60 min |
| May 18, 5:21 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix | 39 min |
| May 18, 5:25 PM CDT | Severe Thunderstorm Warning | ABR | Miner | 35 min |
| May 18, 6:04 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 26 min |
| May 18, 6:31 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 29 min |
| May 18, 6:44 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 31 min |
| May 22, 5:38 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 22 min |
| May 22, 5:38 PM CDT | Severe Thunderstorm Warning | ABR | Day | 67 min |
| May 22, 6:24 PM CDT | Severe Thunderstorm Warning | ABR | Day | 36 min |
| May 22, 6:45 PM CDT | Severe Thunderstorm Warning | ABR | Grant | 60 min |
| May 22, 7:11 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Grant | 64 min |
| May 22, 8:00 PM CDT | Severe Thunderstorm Warning | ABR | Deuel, Grant | 45 min |
| May 22, 8:20 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Deuel | 55 min |
| May 22, 8:52 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 53 min |
| May 22, 9:12 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Charles Mix, Douglas | 48 min |
| May 22, 9:18 PM CDT | Severe Thunderstorm Warning | ABR | Codington | 57 min |
| May 22, 9:38 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 37 min |
| May 22, 9:53 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Douglas, Hutchinson | 52 min |
| May 22, 9:53 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 52 min |
| May 22, 10:08 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Charles Mix, Gregory | 37 min |
| May 22, 10:08 PM CDT | Severe Thunderstorm Warning | FSD | Douglas | 37 min |
| May 22, 10:25 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 50 min |
| May 22, 10:45 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison, Douglas, Hutchinson | 45 min |
| May 22, 10:45 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 45 min |
| May 22, 11:08 PM CDT | Severe Thunderstorm Warning | FSD | Tripp | 37 min |
| May 22, 11:35 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 40 min |
| May 23, 12:17 AM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Douglas | 28 min |
| May 23, 12:17 AM CDT | Severe Thunderstorm Warning | FSD | Brule, Gregory | 28 min |
| May 24, 6:39 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River, Pennington | 66 min |
| Jun 1, 7:13 AM CDT | Severe Thunderstorm Warning | FSD | Tripp | 12 min |
| Jun 1, 2:34 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 41 min |
| Jun 1, 3:29 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson | 61 min |
| Jun 1, 5:34 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 56 min |
| Jun 1, 7:01 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 59 min |
| Jun 1, 7:55 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Lyman | 65 min |
| Jun 1, 8:53 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 37 min |
| Jun 1, 8:55 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule | 35 min |
| Jun 1, 9:28 PM CDT | Severe Thunderstorm Warning | ABR | Beadle, Sanborn | 62 min |
| Jun 1, 9:50 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Spink | 25 min |
| Jun 1, 10:00 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Kingsbury | 60 min |
| Jun 1, 10:07 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Douglas, Hanson, Hutchinson | 53 min |
| Jun 1, 10:07 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 53 min |
| Jun 1, 10:35 PM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook | 40 min |
| Jun 1, 10:52 PM CDT | Severe Thunderstorm Warning | ABR | Miner | 68 min |
| Jun 2, 4:02 AM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 23 min |
| Jun 5, 12:07 AM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 49 min |
| Jun 5, 12:49 AM CDT | Severe Thunderstorm Warning | ABR | Walworth | 26 min |
| Jun 5, 1:14 AM CDT | Severe Thunderstorm Warning | FSD | Union | 61 min |
| Jun 5, 1:19 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 36 min |
| Jun 5, 1:45 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 30 min |
| Jun 5, 2:01 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Spink | 59 min |
| Jun 5, 3:01 AM CDT | Severe Thunderstorm Warning | ABR | Codington | 44 min |
| Jun 5, 3:29 AM CDT | Severe Thunderstorm Warning | ABR | Deuel | 61 min |
| Jun 7, 9:04 PM CDT | Severe Thunderstorm Warning | ABR | Beadle, Miner, Sanborn | 56 min |
| Jun 10, 5:35 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River | 55 min |
| Jun 10, 7:50 PM CDT | Severe Thunderstorm Warning | UNR | 40 min | |
| Jun 11, 3:07 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 53 min |
| Jun 11, 3:58 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 32 min |
| Jun 11, 5:09 PM CDT | Severe Thunderstorm Warning | UNR | Haakon | 36 min |
| Jun 11, 5:28 PM CDT | Severe Thunderstorm Warning | ABR | Stanley | 62 min |
| Jun 11, 5:56 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley, Sully | 64 min |
| Jun 11, 6:16 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 29 min |
| Jun 11, 6:30 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 30 min |
| Jun 11, 7:08 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 37 min |
| Jun 11, 7:36 PM CDT | Severe Thunderstorm Warning | ABR | Faulk | 69 min |
| Jun 11, 7:44 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 31 min |
| Jun 11, 7:44 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 61 min |
| Jun 11, 7:59 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Lyman | 61 min |
| Jun 11, 8:06 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 69 min |
| Jun 11, 8:31 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 59 min |
| Jun 11, 9:12 PM CDT | Severe Thunderstorm Warning | ABR | Jerauld | 33 min |
| Jun 11, 9:25 PM CDT | Severe Thunderstorm Warning | ABR | Beadle | 35 min |
| Jun 11, 9:53 PM CDT | Severe Thunderstorm Warning | ABR | Kingsbury | 37 min |
| Jun 11, 10:15 PM CDT | Severe Thunderstorm Warning | ABR | Miner | 30 min |
| Jun 13, 2:16 AM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 29 min |
| Jun 15, 9:29 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison | 46 min |
| Jun 15, 10:27 PM CDT | Severe Thunderstorm Warning | FSD | Hanson | 33 min |
| Jun 15, 10:59 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 31 min |
| Jun 15, 11:35 PM CDT | Severe Thunderstorm Warning | FSD | Lake | 25 min |
| Jun 16, 1:23 PM CDT | Severe Thunderstorm Warning | FSD | Mellette | 52 min |
| Jun 16, 1:32 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 58 min |
| Jun 16, 2:11 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 64 min |
| Jun 16, 3:16 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo | 59 min |
| Jun 16, 4:31 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 29 min |
| Jun 16, 4:43 PM CDT | Severe Thunderstorm Warning | ABR | Beadle, Hand, Jerauld, Sanborn | 62 min |
| Jun 16, 5:21 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 39 min |
| Jun 16, 6:26 PM CDT | Severe Thunderstorm Warning | ABR | Kingsbury, Miner | 64 min |
| Jun 16, 8:05 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 15 min |
| Jun 18, 8:28 PM CDT | Severe Thunderstorm Warning | ABR | Beadle, Clark, Kingsbury | 62 min |
| Jun 18, 9:10 PM CDT | Severe Thunderstorm Warning | ABR | Hamlin, Kingsbury | 65 min |
| Jun 18, 11:11 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Walworth | 64 min |
| Jun 18, 11:11 PM CDT | Severe Thunderstorm Warning | ABR | Potter | 64 min |
| Jun 18, 11:26 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde, Sully | 64 min |
| Jun 18, 11:27 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, McPherson | 63 min |
| Jun 18, 11:27 PM CDT | Severe Thunderstorm Warning | ABR | Faulk | 63 min |
| Jun 18, 11:48 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 57 min |
| Jun 19, 12:07 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Spink | 68 min |
| Jun 19, 12:10 AM CDT | Severe Thunderstorm Warning | ABR | Beadle | 65 min |
| Jun 19, 1:10 AM CDT | Severe Thunderstorm Warning | ABR | Beadle, Jerauld, Sanborn | 65 min |
| Jun 19, 1:51 AM CDT | Severe Thunderstorm Warning | ABR | Kingsbury, Miner | 69 min |
| Jun 19, 2:06 AM CDT | Severe Thunderstorm Warning | FSD | Brookings, Lake | 69 min |
| Jun 19, 2:27 AM CDT | Severe Thunderstorm Warning | FSD | Mellette, Tripp | 48 min |
| Jun 19, 2:31 AM CDT | Severe Thunderstorm Warning | FSD | Moody | 46 min |
| Jun 19, 2:31 AM CDT | Severe Thunderstorm Warning | FSD | Hanson, McCook | 46 min |
| Jun 19, 2:51 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha, Turner | 69 min |
| Jun 19, 3:44 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 56 min |
| Jun 19, 3:58 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 32 min |
| Jun 20, 6:07 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 26 min |
| Jun 26, 6:24 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 66 min |
| Jun 26, 6:59 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 61 min |
| Jun 27, 4:03 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds | 57 min |
| Jun 27, 5:28 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 62 min |
| Jun 27, 5:45 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 60 min |
| Jun 27, 6:30 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 30 min |
| Jun 27, 6:47 PM CDT | Severe Thunderstorm Warning | ABR | Beadle | 58 min |
| Jun 27, 7:20 PM CDT | Severe Thunderstorm Warning | ABR | Kingsbury | 55 min |
| Jun 27, 7:51 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 39 min |
| Jun 27, 7:54 PM CDT | Severe Thunderstorm Warning | ABR | Beadle, Miner, Sanborn | 66 min |
| Jun 27, 8:10 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Lake, Moody | 35 min |
| Jun 27, 8:37 PM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook, Minnehaha, Moody | 38 min |
| Jun 27, 9:08 PM CDT | Severe Thunderstorm Warning | FSD | McCook, Minnehaha | 37 min |
| Jun 27, 9:08 PM CDT | Severe Thunderstorm Warning | FSD | Moody | 37 min |
| Jun 27, 9:34 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 56 min |
| Jun 27, 9:36 PM CDT | Severe Thunderstorm Warning | ABR | Kingsbury | 39 min |
| Jun 27, 9:45 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 60 min |
| Jun 27, 11:56 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 34 min |
| Jun 27, 11:56 PM CDT | Severe Thunderstorm Warning | FSD | McCook, Minnehaha, Turner | 34 min |
| Jun 28, 12:30 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha, Turner | 30 min |
| Jun 28, 12:58 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 32 min |
| Jun 28, 5:00 AM CDT | Severe Thunderstorm Warning | ABR | Beadle | 60 min |
| Jun 28, 5:58 AM CDT | Severe Thunderstorm Warning | ABR | Beadle | 62 min |
| Jun 28, 6:48 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Hamlin, Kingsbury | 57 min |
| Jun 28, 7:32 AM CDT | Severe Thunderstorm Warning | FSD | Brookings, Lake, Moody | 43 min |
| Jun 28, 7:36 AM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter | 54 min |
| Jun 28, 8:18 AM CDT | Severe Thunderstorm Warning | ABR | Faulk, Potter | 34 min |
| Jul 1, 1:40 AM CDT | Severe Thunderstorm Warning | ABR | Walworth | 65 min |
| Jul 1, 2:02 AM CDT | Severe Thunderstorm Warning | ABR | Corson | 58 min |
| Jul 1, 2:49 AM CDT | Severe Thunderstorm Warning | ABR | Walworth | 56 min |
| Jul 1, 3:33 AM CDT | Severe Thunderstorm Warning | ABR | Potter | 57 min |
| Jul 7, 8:23 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 11 min |
| Jul 7, 8:31 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 59 min |
| Jul 7, 8:35 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 55 min |
| Jul 7, 8:59 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, McPherson | 61 min |
| Jul 7, 9:34 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 56 min |
| Jul 7, 9:42 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 63 min |
| Jul 7, 10:21 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 58 min |
| Jul 7, 11:13 PM CDT | Severe Thunderstorm Warning | ABR | Day | 62 min |
| Jul 7, 11:13 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 52 min |
| Jul 8, 1:40 AM CDT | Severe Thunderstorm Warning | FSD | McCook, Minnehaha | 35 min |
| Jul 8, 2:18 AM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 42 min |
| Jul 8, 2:28 AM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 32 min |
| Jul 10, 8:00 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence | 45 min |
| Jul 10, 8:32 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 43 min |
| Jul 18, 4:36 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 39 min |
| Jul 18, 4:36 AM CDT | Severe Thunderstorm Warning | FSD | Turner | 21 min |
| Jul 18, 5:16 AM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 29 min |
| Jul 18, 5:45 AM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 30 min |
| Jul 18, 10:17 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Lincoln | 43 min |
| Jul 18, 10:18 AM CDT | Severe Thunderstorm Warning | ABR | Sully | 27 min |
| Jul 18, 10:20 AM CDT | Severe Thunderstorm Warning | FSD | Union | 40 min |
| Jul 18, 10:53 AM CDT | Severe Thunderstorm Warning | ABR | Hyde | 37 min |
| Jul 18, 10:54 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 66 min |
| Jul 18, 11:28 AM CDT | Severe Thunderstorm Warning | FSD | McCook, Turner | 47 min |
| Jul 18, 11:42 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 33 min |
| Jul 18, 12:12 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 33 min |
| Jul 18, 12:20 PM CDT | Severe Thunderstorm Warning | ABR | Faulk | 55 min |
| Jul 18, 2:12 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 56 min |
| Jul 18, 2:39 PM CDT | Severe Thunderstorm Warning | ABR | Clark | 51 min |
| Jul 18, 3:39 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Hamlin | 66 min |
| Jul 18, 4:23 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson | 52 min |
| Jul 18, 4:34 PM CDT | Severe Thunderstorm Warning | FSD | Brookings | 41 min |
| Jul 18, 5:42 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 63 min |
| Jul 18, 5:53 PM CDT | Severe Thunderstorm Warning | ABR | Sanborn | 67 min |
| Jul 18, 6:46 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Potter | 59 min |
| Jul 18, 7:12 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 28 min |
| Jul 18, 7:29 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 41 min |
| Jul 18, 7:32 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson | 43 min |
| Jul 18, 7:50 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 25 min |
| Jul 24, 5:59 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 61 min |
| Jul 24, 8:21 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 69 min |
| Jul 24, 10:33 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 57 min |
| Jul 24, 10:42 PM CDT | Severe Thunderstorm Warning | ABR | Stanley | 48 min |
| Jul 24, 11:41 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 64 min |
| Jul 25, 6:55 PM CDT | Severe Thunderstorm Warning | ABR | Stanley, Sully | 65 min |
| Jul 26, 4:36 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 54 min |
| Jul 26, 5:47 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins | 28 min |
| Jul 26, 6:17 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 58 min |
| Jul 26, 6:44 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 61 min |
| Jul 26, 7:39 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 66 min |
| Jul 26, 8:52 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 68 min |
| Jul 26, 9:39 PM CDT | Severe Thunderstorm Warning | ABR | Potter, Walworth | 66 min |
| Jul 26, 10:17 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 58 min |
| Jul 27, 2:51 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 69 min |
| Jul 27, 3:06 AM CDT | Severe Thunderstorm Warning | ABR | Brown | 69 min |
| Jul 27, 4:02 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 58 min |
| Jul 27, 6:10 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 35 min |
| Jul 27, 7:13 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 62 min |
| Jul 27, 4:09 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Hamlin, Kingsbury | 66 min |
| Jul 28, 7:26 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 34 min |
| Aug 1, 2:34 PM CDT | Severe Thunderstorm Warning | ABR | Hughes | 56 min |
| Aug 1, 2:57 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 48 min |
| Aug 1, 4:02 PM CDT | Severe Thunderstorm Warning | ABR | Hughes | 58 min |
| Aug 1, 5:11 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman | 49 min |
| Aug 1, 6:12 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 48 min |
| Aug 1, 6:15 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Lyman | 45 min |
| Aug 3, 6:27 PM CDT | Severe Thunderstorm Warning | FSD | Lake | 28 min |
| Aug 10, 5:19 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman | 41 min |
| Aug 10, 6:00 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde, Lyman | 60 min |
| Aug 10, 6:00 AM CDT | Severe Thunderstorm Warning | ABR | Buffalo | 60 min |
| Aug 14, 4:25 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 35 min |
| Aug 14, 4:30 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson | 30 min |
| Aug 14, 4:47 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 43 min |
| Aug 14, 4:55 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 53 min |
| Aug 17, 3:50 PM CDT | Severe Thunderstorm Warning | ABR | Day, Marshall | 55 min |
| Aug 17, 5:34 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 56 min |
| Aug 17, 6:33 PM CDT | Severe Thunderstorm Warning | ABR | Walworth | 57 min |
| Aug 17, 7:25 PM CDT | Severe Thunderstorm Warning | ABR | Potter | 65 min |
| Aug 17, 9:43 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 62 min |
| Aug 17, 9:49 PM CDT | Severe Thunderstorm Warning | ABR | Hughes | 56 min |
| Aug 17, 10:00 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Potter | 60 min |
| Aug 18, 4:39 PM CDT | Severe Thunderstorm Warning | FSD | Turner | 36 min |
| Aug 18, 5:39 PM CDT | Severe Thunderstorm Warning | FSD | Union | 22 min |
| Aug 21, 2:16 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 44 min |
| Aug 21, 3:19 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 26 min |
| Aug 21, 3:48 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 57 min |
| Aug 21, 4:16 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 29 min |
| Aug 22, 2:35 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 25 min |
| Aug 22, 3:01 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 29 min |
| Aug 22, 5:29 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 61 min |
| Aug 24, 5:05 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 55 min |
| Aug 24, 7:22 PM CDT | Severe Thunderstorm Warning | ABR | Stanley, Sully | 68 min |
| Aug 24, 7:29 PM CDT | Severe Thunderstorm Warning | ABR | Potter | 61 min |
| Aug 24, 7:57 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 63 min |
| Aug 24, 10:17 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 58 min |
| Aug 24, 11:48 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Lyman | 57 min |
| Aug 25, 6:46 PM CDT | Severe Thunderstorm Warning | ABR | Potter | 59 min |
| Aug 25, 6:48 PM CDT | Severe Thunderstorm Warning | FSD | Gregory, Tripp | 42 min |
| Aug 25, 7:06 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Sully | 54 min |
| Aug 25, 7:12 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 63 min |
| Aug 25, 7:30 PM CDT | Severe Thunderstorm Warning | FSD | Gregory, Tripp | 60 min |
| Aug 25, 7:38 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 67 min |
| Aug 25, 7:52 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde | 68 min |
| Aug 25, 8:30 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 60 min |
| Aug 25, 8:49 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 31 min |
| Aug 25, 8:53 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 52 min |
| Aug 25, 8:55 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 65 min |
| Aug 25, 8:59 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Spink | 41 min |
| Aug 25, 9:17 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Day | 33 min |
| Aug 25, 9:30 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Charles Mix, Douglas | 60 min |
| Aug 25, 9:33 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 57 min |
| Aug 25, 9:43 PM CDT | Severe Thunderstorm Warning | ABR | Hand, Hyde | 62 min |
| Aug 25, 9:52 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Hamlin | 68 min |
| Aug 25, 9:54 PM CDT | Severe Thunderstorm Warning | ABR | Day | 36 min |
| Aug 25, 9:57 PM CDT | Severe Thunderstorm Warning | ABR | Hyde | 63 min |
| Aug 25, 10:00 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 30 min |
| Aug 25, 10:30 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Douglas | 45 min |
| Aug 25, 10:35 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, McPherson | 25 min |
| Aug 26, 2:43 AM CDT | Severe Thunderstorm Warning | ABR | Corson | 62 min |
| Aug 26, 2:54 AM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 66 min |
| Aug 26, 3:49 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, Walworth | 56 min |
| Aug 28, 11:59 AM CDT | Severe Thunderstorm Warning | ABR | Dewey | 61 min |
| Aug 28, 1:31 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 29 min |
| Aug 28, 3:21 PM CDT | Severe Thunderstorm Warning | UNR | 69 min | |
| Aug 28, 5:16 PM CDT | Severe Thunderstorm Warning | ABR | Hyde, Sully | 59 min |
| Aug 28, 5:16 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 59 min |
| Aug 28, 6:04 PM CDT | Severe Thunderstorm Warning | ABR | Hyde | 56 min |
| Aug 28, 6:04 PM CDT | Severe Thunderstorm Warning | ABR | Beadle | 56 min |
| Aug 28, 6:46 PM CDT | Severe Thunderstorm Warning | ABR | Beadle | 59 min |
| Aug 30, 10:29 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson | 61 min |
| Aug 30, 11:04 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Lyman | 56 min |
| Aug 31, 12:01 AM CDT | Severe Thunderstorm Warning | ABR | Jerauld, Sanborn | 59 min |
| Sep 1, 3:23 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 52 min |
| Sep 1, 8:08 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 52 min |
| Sep 2, 6:18 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 57 min |
| Sep 3, 1:35 AM CDT | Severe Thunderstorm Warning | ABR | Potter, Walworth | 40 min |
| Sep 3, 1:35 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 55 min |
| Sep 3, 1:53 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 52 min |
| Sep 3, 2:03 AM CDT | Severe Thunderstorm Warning | ABR | Faulk | 27 min |
| Sep 5, 3:38 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Pennington | 52 min |
| Sep 5, 4:34 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 26 min |
| Sep 5, 4:34 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 41 min |
| Sep 7, 2:37 AM CDT | Severe Thunderstorm Warning | ABR | Roberts | 53 min |
| Sep 7, 2:37 AM CDT | Severe Thunderstorm Warning | ABR | Marshall | 31 min |
| Sep 7, 2:59 AM CDT | Severe Thunderstorm Warning | ABR | Roberts | 46 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Minnehaha County16
- Dewey County16
- Beadle County13
- Spink County13
- Lincoln County13
- Potter County12
- Lyman County12
- Hughes County12
- Charles Mix County11
- Corson County11
- Brown County10
- Pennington County10
- Edmunds County10
- Kingsbury County10
- Meade County10
- Sully County10
- Douglas County8
- McCook County8
- Walworth County8
- Faulk County8
- Campbell County8
- Hyde County8
- Day County7
- Miner County7
- Brookings County7
- Aurora County7
- Brule County7
- Gregory County7
- Buffalo County7
- Sanborn County7
- Clark County7
- Lake County7
- Stanley County7
- Turner County6
- Union County5
- Codington County5
- Davison County5
- Tripp County5
- McPherson County5
- Hamlin County5
23 more counties
- Moody County5
- Bon Homme County4
- Marshall County4
- Bennett County4
- Hanson County4
- Jerauld County4
- Hand County4
- Grant County3
- Deuel County3
- Hutchinson County3
- Custer County3
- Jackson County3
- Lawrence County3
- Perkins County3
- Yankton County2
- Fall River County2
- Haakon County2
- Jones County2
- Mellette County2
- Clay County2
- Roberts County2
- Butte County1
- Harding County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19891991
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.