Alert archive / South Dakota / 2021
Weather alerts in South Dakota, August 2021
404 weather alerts in August 2021, 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 August 2021. Tap one for its archive.
- Alerts
- 404
- Warnings
- 232
- Watches
- 23
- Advisories
- 3
- Busiest day
- August 28, 202169 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| Aug 5, 3:30 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 45 min |
| Aug 5, 3:40 PM CDT | Mesoscale Discussion | SPC | Brookings, Deuel | 65 min |
| Aug 5, 4:14 PM CDT | Special Weather Statement | ABR | Deuel | 31 min |
| Aug 5, 4:26 PM CDT | Special Weather Statement | UNR | Lawrence | 49 min |
| Aug 5, 5:25 PM CDT | Special Weather Statement | UNR | Custer, Fall River | 65 min |
| Aug 5, 5:47 PM CDT | Special Weather Statement | UNR | Pennington | 43 min |
| Aug 5, 5:53 PM CDT | Special Weather Statement | UNR | Fall River | 52 min |
| Aug 5, 6:36 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 54 min |
| Aug 5, 7:00 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Moody | 45 min |
| Aug 5, 7:28 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Moody | 32 min |
| Aug 5, 7:33 PM CDT | Special Weather Statement | UNR | Bennett, Jackson | 57 min |
| Aug 5, 7:44 PM CDT | Severe Thunderstorm Warning | FSD | Moody | 33 min |
| Aug 5, 7:58 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Minnehaha, Moody | 47 min |
| Aug 5, 8:24 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha, Moody | 51 min |
| Aug 5, 8:57 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha | 48 min |
| Aug 5, 9:04 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 28 min |
| Aug 5, 9:34 PM CDT | Mesoscale Discussion | SPC | Clay, Lincoln, Minnehaha, Turner, Union | 86 min |
| Aug 5, 10:04 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, McCook, Minnehaha, Turner | 41 min |
| Aug 5, 10:36 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Lincoln, Turner, Union | 39 min |
| Aug 5, 11:40 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 50 min |
| Aug 6, 12:10 AM CDT | Severe Thunderstorm Warning | FSD | Union | 35 min |
| Aug 6, 1:06 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 39 min |
| Aug 6, 1:36 AM CDT | Severe Thunderstorm Warning | FSD | Union | 24 min |
| Aug 6, 2:43 PM CDT | Severe Thunderstorm Watch | SPC | Butte, Custer, Fall River, Harding, Lawrence, Meade and 3 more | 6 hr |
| Aug 6, 2:52 PM CDT | Special Weather Statement | UNR | Custer | 23 min |
| Aug 6, 3:15 PM CDT | Special Weather Statement | UNR | Custer | 30 min |
| Aug 6, 3:24 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade, Pennington | 36 min |
| Aug 6, 4:12 PM CDT | Special Weather Statement | UNR | 33 min | |
| Aug 6, 4:44 PM CDT | Special Weather Statement | UNR | 31 min | |
| Aug 6, 5:36 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding | 33 min |
| Aug 6, 5:53 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 67 min |
| Aug 6, 6:07 PM CDT | Mesoscale Discussion | SPC | Bennett, Jackson, Mellette, Oglala Lakota, Todd | 113 min |
| Aug 6, 6:53 PM CDT | Severe Thunderstorm Warning | UNR | Fall River, Oglala Lakota | 67 min |
| Aug 6, 7:18 PM CDT | Special Weather Statement | UNR | Butte | 27 min |
| Aug 6, 7:21 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Buffalo, Hand, Hyde, Jackson, Jones and 4 more | 6 hr |
| Aug 6, 7:26 PM CDT | Special Weather Statement | UNR | Pennington | 64 min |
| Aug 6, 7:28 PM CDT | Special Weather Statement | UNR | Butte | 32 min |
| Aug 6, 7:53 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Oglala Lakota | 67 min |
| Aug 6, 8:06 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Meade, Oglala Lakota, Pennington | 54 min |
| Aug 6, 8:50 PM CDT | Special Weather Statement | UNR | Haakon | 55 min |
| Aug 6, 8:56 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Mellette, Todd | 64 min |
| Aug 6, 9:09 PM CDT | Mesoscale Discussion | SPC | Aurora, Bon Homme, Brule, Buffalo, Charles Mix, Clay and 17 more | 2 hr |
| Aug 6, 9:15 PM CDT | Special Weather Statement | LBF | Todd | 45 min |
| Aug 6, 9:30 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd, Tripp | 75 min |
| Aug 6, 9:49 PM CDT | Special Weather Statement | ABR | Jones, Stanley | 41 min |
| Aug 6, 9:54 PM CDT | Special Weather Statement | UNR | Haakon | 36 min |
| Aug 6, 10:08 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bon Homme, Brule, Charles Mix, Davison and 9 more | 4 hr |
| Aug 6, 10:42 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 34 min |
| Aug 6, 11:07 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Lyman | 38 min |
| Aug 6, 11:10 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 35 min |
| Aug 6, 11:29 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hand, Hyde, Lyman | 46 min |
| Aug 6, 11:54 PM CDT | Mesoscale Discussion | SPC | Beadle, Clay, Davison, Hamlin, Hanson, Hutchinson and 10 more | 2 hr |
| Aug 7, 12:10 AM CDT | Severe Thunderstorm Warning | ABR | Faulk, Hand, Hyde, Spink | 50 min |
| Aug 7, 2:10 AM CDT | Mesoscale Discussion | SPC | Brookings, Clark, Codington, Day, Deuel, Grant and 3 more | 2 hr |
| Aug 7, 4:35 AM CDT | Areal Flood Warning | ABR | Codington, Deuel | 4 hr |
| Aug 7, 6:39 PM CDT | Severe Thunderstorm Warning | ABR | Brown, McPherson | 51 min |
| Aug 7, 7:05 PM CDT | Severe Thunderstorm Warning | ABR | Brown, McPherson | 40 min |
| Aug 7, 7:12 PM CDT | Mesoscale Discussion | SPC | Brown, Day, Marshall | 93 min |
| Aug 7, 7:26 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 49 min |
| Aug 7, 8:09 PM CDT | Special Weather Statement | ABR | Brown | 36 min |
| Aug 7, 8:18 PM CDT | Special Weather Statement | ABR | Brown | 27 min |
| Aug 7, 9:07 PM CDT | Special Weather Statement | ABR | Brown | 23 min |
| Aug 7, 10:09 PM CDT | Special Weather Statement | ABR | Brown | 36 min |
| Aug 7, 10:53 PM CDT | Special Weather Statement | ABR | Spink | 37 min |
| Aug 7, 11:01 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Spink | 44 min |
| Aug 7, 11:25 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Clark, Day, Spink | 50 min |
| Aug 8, 12:56 AM CDT | Severe Thunderstorm Warning | ABR | Clark | 49 min |
| Aug 8, 3:37 AM CDT | Areal Flood Warning | ABR | Clark, Day | 5 hr |
| Aug 8, 5:02 AM CDT | Areal Flood Warning | ABR | Clark, Codington, Grant | 4 hr |
| Aug 8, 10:07 PM CDT | Wind Advisory | UNR | Butte, Harding, Lawrence, Meade, Pennington | 6 hr |
| Aug 8, 10:35 PM CDT | Special Weather Statement | UNR | 40 min | |
| Aug 9, 4:36 AM CDT | Fire Weather Watch | UNR | Butte, Haakon, Jackson, Lawrence, Meade, Pennington and 2 more | 24 hr |
| Aug 9, 2:43 PM CDT | Fire Weather Watch | ABR | Corson, Dewey, Hughes, Hyde, Potter, Stanley and 1 more | 13 hr |
| Aug 10, 3:28 AM CDT | Red Flag Warning | ABR | Campbell, Corson, Dewey, Hughes, Jones, Lyman and 4 more | 17 hr |
| Aug 10, 4:10 AM CDT | Red Flag Warning | UNR | Butte, Custer, Fall River, Haakon, Jackson, Lawrence and 4 more | 18 hr |
| Aug 14, 1:45 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River | 45 min |
| Aug 14, 1:50 PM CDT | Mesoscale Discussion | SPC | Bennett, Custer, Fall River, Jackson, Oglala Lakota, Pennington | 115 min |
| Aug 14, 2:28 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River | 47 min |
| Aug 14, 2:57 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 48 min |
| Aug 14, 3:06 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 23 min |
| Aug 14, 3:37 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 53 min |
| Aug 14, 3:44 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 41 min |
| Aug 14, 4:05 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 40 min |
| Aug 14, 4:18 PM CDT | Special Weather Statement | UNR | Pennington | 42 min |
| Aug 14, 4:24 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 66 min |
| Aug 14, 4:28 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Custer, Fall River, Haakon, Jackson, Meade and 5 more | 7 hr |
| Aug 14, 4:30 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 60 min |
| Aug 14, 5:04 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 56 min |
| Aug 14, 5:30 PM CDT | Special Weather Statement | ABR | Brown | 45 min |
| Aug 14, 5:40 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Pennington | 31 min |
| Aug 14, 6:34 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 41 min |
| Aug 14, 6:40 PM CDT | Special Weather Statement | UNR | Meade | 50 min |
| Aug 14, 6:47 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Walworth | 43 min |
| Aug 14, 6:56 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 34 min |
| Aug 14, 7:12 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 33 min |
| Aug 14, 7:29 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter | 46 min |
| Aug 14, 8:15 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter | 60 min |
| Aug 14, 8:48 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Stanley, Sully | 42 min |
| Aug 14, 9:28 PM CDT | Special Weather Statement | ABR | Dewey | 32 min |
| Aug 16, 2:21 PM CDT | Fire Weather Watch | ABR | Campbell, Corson, Dewey, Hughes, Jones, Lyman and 4 more | 12 hr |
| Aug 16, 2:41 PM CDT | Fire Weather Watch | UNR | Bennett, Custer, Fall River, Haakon, Jackson, Lawrence and 8 more | 13 hr |
| Aug 16, 2:41 PM CDT | Red Flag Warning | UNR | Bennett, Butte, Custer, Fall River, Haakon, Jackson and 9 more | 30 hr |
| Aug 17, 2:39 AM CDT | Red Flag Warning | ABR | Campbell, Corson, Dewey, Hughes, Jones, Lyman and 4 more | 17 hr |
| Aug 18, 6:36 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 39 min |
| Aug 19, 4:05 PM CDT | Special Weather Statement | UNR | Pennington | 40 min |
| Aug 19, 4:34 PM CDT | Special Weather Statement | UNR | Jackson | 41 min |
| Aug 19, 5:22 PM CDT | Special Weather Statement | UNR | Haakon | 23 min |
| Aug 19, 5:59 PM CDT | Special Weather Statement | UNR | Ziebach | 31 min |
| Aug 19, 6:26 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins, Ziebach | 79 min |
| Aug 19, 6:49 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 41 min |
| Aug 19, 7:29 PM CDT | Special Weather Statement | ABR | Corson, Dewey | 61 min |
| Aug 19, 8:26 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 34 min |
| Aug 19, 9:28 PM CDT | Special Weather Statement | UNR | Ziebach | 32 min |
| Aug 19, 9:49 PM CDT | Special Weather Statement | UNR | Todd | 26 min |
| Aug 19, 10:33 PM CDT | Special Weather Statement | UNR | Tripp | 27 min |
| Aug 20, 1:51 PM CDT | Mesoscale Discussion | SPC | Clay, Lincoln, Union, Yankton | 84 min |
| Aug 20, 3:58 PM CDT | Severe Thunderstorm Watch | SPC | Union | 6 hr |
| Aug 21, 11:38 PM CDT | Special Weather Statement | UNR | 37 min | |
| Aug 22, 4:26 AM CDT | Red Flag Warning | UNR | Custer, Fall River, Oglala Lakota | 16 hr |
| Aug 22, 6:21 AM CDT | Special Weather Statement | UNR | Haakon, Mellette, Todd, Tripp | 84 min |
| Aug 22, 7:43 AM CDT | Special Weather Statement | UNR | Mellette, Tripp | 92 min |
| Aug 22, 8:02 AM CDT | Special Weather Statement | ABR | Jones | 43 min |
| Aug 22, 2:21 PM CDT | Mesoscale Discussion | SPC | Beadle, Brown, Buffalo, Campbell, Edmunds, Faulk and 8 more | 2 hr |
| Aug 22, 3:12 PM CDT | Red Flag Warning | UNR | Butte, Custer, Fall River, Jackson, Lawrence, Meade and 2 more | 30 hr |
| Aug 22, 3:36 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Brookings, Brown, Brule, Buffalo and 24 more | 5 hr |
| Aug 22, 3:38 PM CDT | Mesoscale Discussion | SPC | Gregory, Tripp | 97 min |
| Aug 22, 3:40 PM CDT | Special Weather Statement | ABR | Deuel | 20 min |
| Aug 22, 4:19 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Faulk, Potter | 41 min |
| Aug 22, 4:33 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, McPherson | 42 min |
| Aug 22, 5:03 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 13 min |
| Aug 22, 5:15 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 45 min |
| Aug 22, 5:21 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds | 39 min |
| Aug 22, 5:25 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo | 37 min |
| Aug 22, 5:40 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 50 min |
| Aug 22, 5:48 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Jerauld | 42 min |
| Aug 22, 5:50 PM CDT | Special Weather Statement | ABR | Edmunds | 25 min |
| Aug 22, 5:59 PM CDT | Mesoscale Discussion | SPC | Beadle, Brookings, Brown, Campbell, Clark, Codington and 11 more | 91 min |
| Aug 22, 6:11 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 49 min |
| Aug 22, 6:14 PM CDT | Severe Thunderstorm Warning | ABR | Day, Marshall | 46 min |
| Aug 22, 6:23 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Jerauld | 40 min |
| Aug 22, 6:27 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Spink | 48 min |
| Aug 22, 6:31 PM CDT | Tornado Watch | SPC | Aurora, Davison, Douglas, Hanson, Hutchinson, Jerauld and 4 more | 3 hr |
| Aug 22, 6:47 PM CDT | Tornado Warning | FSD | Aurora, Davison, Sanborn | 32 min |
| Aug 22, 6:54 PM CDT | Tornado Warning | ABR | Spink | 15 min |
| Aug 22, 6:57 PM CDT | Severe Thunderstorm Warning | ABR | Day, Marshall, Roberts | 24 min |
| Aug 22, 7:15 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson, Miner, Sanborn | 30 min |
| Aug 22, 7:17 PM CDT | Severe Thunderstorm Warning | ABR | Day | 43 min |
| Aug 22, 7:21 PM CDT | Severe Thunderstorm Warning | FSD | Aurora | 24 min |
| Aug 22, 7:31 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Sanborn | 44 min |
| Aug 22, 8:05 PM CDT | Tornado Warning | ABR | Day, Grant | 25 min |
| Aug 22, 8:06 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson, Miner, Sanborn | 39 min |
| Aug 22, 8:12 PM CDT | Special Weather Statement | ABR | Codington | 33 min |
| Aug 22, 8:20 PM CDT | Fire Weather Watch | UNR | Bennett, Butte, Custer, Fall River, Jackson, Lawrence and 3 more | 8 hr |
| Aug 22, 8:32 PM CDT | Severe Thunderstorm Warning | FSD | Hanson, McCook | 43 min |
| Aug 22, 8:39 PM CDT | Special Weather Statement | ABR | Grant | 36 min |
| Aug 22, 8:40 PM CDT | Mesoscale Discussion | SPC | Aurora, Davison, Douglas, Hanson, Hutchinson, Jerauld and 2 more | 65 min |
| Aug 23, 2:56 PM CDT | Mesoscale Discussion | SPC | Aurora, Brule, Buffalo, Charles Mix, Gregory, Jones and 4 more | 2 hr |
| Aug 23, 2:56 PM CDT | Special Weather Statement | UNR | Mellette | 34 min |
| Aug 23, 3:45 PM CDT | Severe Thunderstorm Warning | UNR | Jackson, Mellette | 24 min |
| Aug 23, 4:13 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 27 min |
| Aug 23, 4:58 PM CDT | Special Weather Statement | UNR | Mellette | 47 min |
| Aug 23, 5:01 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 59 min |
| Aug 23, 5:07 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 38 min |
| Aug 23, 5:20 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Bon Homme, Brule, Buffalo, Charles Mix, Davison and 14 more | 8 hr |
| Aug 23, 5:21 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 29 min |
| Aug 23, 5:48 PM CDT | Special Weather Statement | UNR | Butte, Harding | 42 min |
| Aug 23, 5:55 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 65 min |
| Aug 23, 6:13 PM CDT | Special Weather Statement | ABR | Jones | 32 min |
| Aug 23, 6:15 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Ziebach | 60 min |
| Aug 23, 6:17 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding, Perkins | 58 min |
| Aug 23, 6:28 PM CDT | Areal Flood Advisory | UNR | Mellette, Todd | 5 hr |
| Aug 23, 6:42 PM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 33 min |
| Aug 23, 7:02 PM CDT | Special Weather Statement | UNR | Mellette | 43 min |
| Aug 23, 7:12 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 48 min |
| Aug 23, 7:38 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brule, Buffalo, Campbell, Corson and 22 more | 2 hr |
| Aug 23, 7:43 PM CDT | Special Weather Statement | UNR | Tripp | 47 min |
| Aug 23, 7:45 PM CDT | Special Weather Statement | UNR | Meade | 60 min |
| Aug 23, 8:22 PM CDT | Special Weather Statement | UNR | Ziebach | 38 min |
| Aug 23, 8:33 PM CDT | Special Weather Statement | UNR | Lyman | 42 min |
| Aug 23, 8:42 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 48 min |
| Aug 23, 9:13 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 47 min |
| Aug 23, 9:37 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brule, Buffalo, Campbell, Charles Mix and 21 more | 113 min |
| Aug 23, 9:39 PM CDT | Tornado Warning | ABR | Corson | 25 min |
| Aug 23, 10:01 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson, Dewey, Walworth | 59 min |
| Aug 23, 10:11 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Campbell, Clark, Codington, Corson, Day and 15 more | 5 hr |
| Aug 23, 10:17 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter, Walworth | 43 min |
| Aug 23, 10:45 PM CDT | Special Weather Statement | ABR | Campbell | 30 min |
| Aug 23, 10:56 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter, Walworth | 64 min |
| Aug 23, 11:02 PM CDT | Special Weather Statement | ABR | Campbell | 43 min |
| Aug 23, 11:32 PM CDT | Mesoscale Discussion | SPC | Brown, Campbell, Clark, Codington, Day, Edmunds and 8 more | 118 min |
| Aug 23, 11:51 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Potter | 54 min |
| Aug 24, 12:01 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds, McPherson | 59 min |
| Aug 24, 12:56 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Day, Marshall | 64 min |
| Aug 24, 1:05 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds, Faulk, Hand, Spink | 55 min |
| Aug 24, 2:52 AM CDT | Special Weather Statement | ABR | Grant | 68 min |
| Aug 24, 3:31 AM CDT | Heat Advisory | FSD | Bon Homme, Clay, Hutchinson, Turner, Union, Yankton | 11 hr |
| Aug 24, 6:06 AM CDT | Special Weather Statement | ABR | Day, Roberts | 24 min |
| Aug 24, 6:50 AM CDT | Special Weather Statement | ABR | Grant | 25 min |
| Aug 25, 12:02 PM CDT | Special Weather Statement | LBF | Todd | 43 min |
| Aug 25, 3:02 PM CDT | Mesoscale Discussion | SPC | Bon Homme, Charles Mix, Clay, Hutchinson, Lincoln, Turner and 2 more | 88 min |
| Aug 25, 3:39 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix | 36 min |
| Aug 26, 1:14 AM CDT | Special Weather Statement | UNR | Harding | 61 min |
| Aug 26, 1:35 AM CDT | Severe Thunderstorm Warning | UNR | Harding | 55 min |
| Aug 26, 2:35 AM CDT | Mesoscale Discussion | SPC | Brown, Campbell, Corson, Dewey, Edmunds, Faulk and 6 more | 2 hr |
| Aug 26, 2:36 AM CDT | Special Weather Statement | UNR | Harding | 39 min |
| Aug 26, 3:06 AM CDT | Special Weather Statement | UNR | Perkins | 54 min |
| Aug 26, 3:10 AM CDT | Mesoscale Discussion | SPC | Bon Homme, Charles Mix, Clay, Hutchinson, Turner, Yankton | 3 hr |
| Aug 26, 3:12 AM CDT | Fire Weather Watch | UNR | Custer, Fall River | 24 hr |
| Aug 26, 3:18 AM CDT | Severe Thunderstorm Warning | UNR | Perkins | 42 min |
| Aug 26, 3:47 AM CDT | Severe Thunderstorm Warning | ABR | Corson | 58 min |
| Aug 26, 4:44 AM CDT | Severe Thunderstorm Warning | ABR | Corson | 46 min |
| Aug 26, 4:58 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Yankton | 27 min |
| Aug 26, 5:37 AM CDT | Special Weather Statement | ABR | Campbell, Dewey, Walworth | 53 min |
| Aug 26, 7:19 AM CDT | Special Weather Statement | ABR | Edmunds, Faulk | 26 min |
| Aug 26, 7:47 AM CDT | Severe Thunderstorm Warning | ABR | Faulk, Hand | 43 min |
| Aug 26, 8:01 AM CDT | Severe Thunderstorm Warning | ABR | Faulk, Hand, Hyde | 44 min |
| Aug 26, 8:11 AM CDT | Severe Thunderstorm Warning | ABR | Faulk, Spink | 49 min |
| Aug 26, 8:18 AM CDT | Severe Thunderstorm Warning | ABR | Day, Marshall, Roberts | 57 min |
| Aug 26, 8:24 AM CDT | Severe Thunderstorm Warning | ABR | Hand, Spink | 36 min |
| Aug 26, 8:36 AM CDT | Mesoscale Discussion | SPC | Beadle, Brookings, Buffalo, Clark, Codington, Day and 10 more | 84 min |
| Aug 26, 8:45 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Spink | 45 min |
| Aug 26, 9:05 AM CDT | Severe Thunderstorm Watch | SPC | Beadle, Brookings, Clark, Codington, Deuel, Grant and 7 more | 4 hr |
| Aug 26, 9:14 AM CDT | Severe Thunderstorm Warning | ABR | Roberts | 46 min |
| Aug 26, 9:18 AM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury | 57 min |
| Aug 26, 9:22 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Hamlin, Spink | 38 min |
| Aug 26, 9:26 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Hamlin | 49 min |
| Aug 26, 9:50 AM CDT | High Wind Warning | ABR | Brown, Clark, Codington, Day, Deuel, Grant and 4 more | 5 hr |
| Aug 26, 9:57 AM CDT | Severe Thunderstorm Warning | ABR | Grant, Roberts | 33 min |
| Aug 26, 9:58 AM CDT | Severe Thunderstorm Warning | ABR | Deuel, Hamlin | 62 min |
| Aug 26, 10:00 AM CDT | Severe Thunderstorm Warning | ABR | Codington, Deuel, Grant, Hamlin | 60 min |
| Aug 26, 10:01 AM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury, Lake, Miner, Moody | 59 min |
| Aug 26, 10:39 AM CDT | Severe Thunderstorm Warning | FSD | Brookings | 66 min |
| Aug 26, 10:43 AM CDT | Mesoscale Discussion | SPC | Brookings, Deuel, Moody | 92 min |
| Aug 26, 2:37 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 23 min |
| Aug 26, 5:34 PM CDT | Mesoscale Discussion | SPC | Clay, Lincoln, Turner, Union, Yankton | 116 min |
| Aug 26, 6:12 PM CDT | Special Weather Statement | UNR | Lawrence | 33 min |
| Aug 26, 6:21 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade, Pennington | 54 min |
| Aug 26, 6:59 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 61 min |
| Aug 26, 7:25 PM CDT | Mesoscale Discussion | SPC | Aurora, Bennett, Bon Homme, Brule, Buffalo, Charles Mix and 22 more | 2 hr |
| Aug 26, 7:54 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 66 min |
| Aug 26, 8:03 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bennett, Bon Homme, Brookings, Brule and 36 more | 7 hr |
| Aug 26, 8:48 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 57 min |
| Aug 26, 9:38 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 52 min |
| Aug 26, 10:02 PM CDT | Special Weather Statement | UNR | Pennington | 58 min |
| Aug 26, 10:33 PM CDT | Special Weather Statement | UNR | Haakon, Jackson | 42 min |
| Aug 26, 10:45 PM CDT | Mesoscale Discussion | SPC | Union | 2 hr |
| Aug 26, 11:05 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, Turner, Yankton | 25 min |
| Aug 26, 11:17 PM CDT | Special Weather Statement | UNR | Haakon | 58 min |
| Aug 26, 11:31 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Ziebach | 59 min |
| Aug 27, 12:05 AM CDT | Severe Thunderstorm Warning | ABR | Stanley | 55 min |
| Aug 27, 12:08 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Lincoln, Turner, Union | 37 min |
| Aug 27, 12:17 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 28 min |
| Aug 27, 12:34 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Union | 41 min |
| Aug 27, 12:51 AM CDT | Special Weather Statement | ABR | Stanley | 24 min |
| Aug 27, 1:06 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley, Sully | 39 min |
| Aug 27, 1:19 AM CDT | Special Weather Statement | ABR | Hughes | 26 min |
| Aug 27, 1:42 AM CDT | Special Weather Statement | UNR | Tripp | 48 min |
| Aug 27, 1:44 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde, Potter, Sully | 46 min |
| Aug 27, 2:23 AM CDT | Special Weather Statement | UNR | Haakon | 52 min |
| Aug 27, 3:05 AM CDT | Red Flag Warning | UNR | Custer, Fall River | 16 hr |
| Aug 27, 3:27 AM CDT | Special Weather Statement | ABR | Jones | 18 min |
| Aug 27, 4:23 AM CDT | Special Weather Statement | ABR | Hughes | 37 min |
| Aug 27, 4:53 AM CDT | Special Weather Statement | ABR | Hand, Hyde | 37 min |
| Aug 27, 3:55 PM CDT | Mesoscale Discussion | SPC | Butte, Harding, Perkins | 2 hr |
| Aug 27, 5:07 PM CDT | Special Weather Statement | UNR | Harding | 38 min |
| Aug 27, 5:27 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding | 78 min |
| Aug 27, 6:33 PM CDT | Mesoscale Discussion | SPC | Butte, Perkins, Ziebach | 117 min |
| Aug 27, 6:39 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade, Perkins | 96 min |
| Aug 27, 8:14 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins, Ziebach | 46 min |
| Aug 28, 1:14 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson, Dewey, Walworth | 31 min |
| Aug 28, 1:44 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, Edmunds, McPherson, Walworth | 46 min |
| Aug 28, 2:05 AM CDT | Severe Thunderstorm Warning | ABR | Dewey, Walworth | 40 min |
| Aug 28, 2:17 AM CDT | Mesoscale Discussion | SPC | Brown, Day, Edmunds, Grant, McPherson, Marshall and 1 more | 2 hr |
| Aug 28, 2:32 AM CDT | Severe Thunderstorm Watch | SPC | Brown, Campbell, Clark, Codington, Corson, Day and 10 more | 5 hr |
| Aug 28, 2:39 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Walworth | 66 min |
| Aug 28, 2:40 AM CDT | Special Weather Statement | UNR | Todd | 35 min |
| Aug 28, 2:49 AM CDT | Special Weather Statement | ABR | Corson | 26 min |
| Aug 28, 3:19 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds, McPherson | 26 min |
| Aug 28, 3:36 AM CDT | Special Weather Statement | ABR | Campbell | 24 min |
| Aug 28, 3:42 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 47 min |
| Aug 28, 3:57 AM CDT | Special Weather Statement | ABR | Campbell | 33 min |
| Aug 28, 4:00 AM CDT | Special Weather Statement | UNR | Tripp | 60 min |
| Aug 28, 4:08 AM CDT | Special Weather Statement | UNR | Ziebach | 37 min |
| Aug 28, 4:12 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Spink | 63 min |
| Aug 28, 4:13 AM CDT | Special Weather Statement | UNR | Ziebach | 32 min |
| Aug 28, 4:15 AM CDT | Special Weather Statement | ABR | Campbell | 30 min |
| Aug 28, 4:24 AM CDT | Special Weather Statement | ABR | Walworth | 36 min |
| Aug 28, 4:41 AM CDT | Special Weather Statement | UNR | Ziebach | 49 min |
| Aug 28, 4:51 AM CDT | Severe Thunderstorm Warning | ABR | Dewey | 39 min |
| Aug 28, 5:10 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Clark, Codington, Day, Spink | 65 min |
| Aug 28, 5:29 AM CDT | Special Weather Statement | ABR | Dewey | 16 min |
| Aug 28, 5:42 AM CDT | Mesoscale Discussion | SPC | Brown, Clark, Codington, Day, Deuel, Edmunds and 8 more | 2 hr |
| Aug 28, 5:56 AM CDT | Special Weather Statement | ABR | Walworth | 34 min |
| Aug 28, 6:08 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Potter, Walworth | 37 min |
| Aug 28, 6:15 AM CDT | Severe Thunderstorm Warning | ABR | Codington, Day, Grant | 60 min |
| Aug 28, 6:40 AM CDT | Special Weather Statement | ABR | Potter | 35 min |
| Aug 28, 6:55 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Faulk | 35 min |
| Aug 28, 6:57 AM CDT | Special Weather Statement | ABR | Brown | 33 min |
| Aug 28, 7:01 AM CDT | Severe Thunderstorm Warning | ABR | Grant | 44 min |
| Aug 28, 7:08 AM CDT | Severe Thunderstorm Watch | SPC | Brown, Clark, Codington, Day, Deuel, Edmunds and 7 more | 5 hr |
| Aug 28, 7:09 AM CDT | Severe Thunderstorm Warning | ABR | Brown | 16 min |
| Aug 28, 7:24 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds | 36 min |
| Aug 28, 7:43 AM CDT | Severe Thunderstorm Warning | ABR | Grant, Roberts | 30 min |
| Aug 28, 7:53 AM CDT | Special Weather Statement | ABR | Brown | 37 min |
| Aug 28, 7:58 AM CDT | Special Weather Statement | LBF | Todd | 32 min |
| Aug 28, 8:00 AM CDT | Special Weather Statement | UNR | Todd, Tripp | 60 min |
| Aug 28, 8:24 AM CDT | Special Weather Statement | ABR | Day | 36 min |
| Aug 28, 8:26 AM CDT | Severe Thunderstorm Warning | ABR | Day, Grant, Roberts | 30 min |
| Aug 28, 8:27 AM CDT | Special Weather Statement | ABR | Roberts | 48 min |
| Aug 28, 8:29 AM CDT | Special Weather Statement | LBF | Todd | 46 min |
| Aug 28, 8:42 AM CDT | Severe Thunderstorm Warning | ABR | Codington, Grant, Roberts | 33 min |
| Aug 28, 8:50 AM CDT | Tornado Warning | ABR | Grant, Roberts | 25 min |
| Aug 28, 9:01 AM CDT | Special Weather Statement | UNR | Todd, Tripp | 29 min |
| Aug 28, 9:14 AM CDT | Severe Thunderstorm Warning | ABR | Grant, Roberts | 31 min |
| Aug 28, 9:31 AM CDT | Severe Thunderstorm Warning | ABR | Grant, Roberts | 44 min |
| Aug 28, 9:39 AM CDT | Special Weather Statement | LBF | Bennett | 21 min |
| Aug 28, 9:44 AM CDT | Special Weather Statement | UNR | Todd | 31 min |
| Aug 28, 10:16 AM CDT | Special Weather Statement | UNR | Todd | 29 min |
| Aug 28, 10:44 AM CDT | Special Weather Statement | UNR | Todd | 31 min |
| Aug 28, 2:43 PM CDT | Mesoscale Discussion | SPC | Bon Homme, Clay, Hanson, Hutchinson, Lake, Lincoln and 6 more | 3 hr |
| Aug 28, 3:21 PM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook, Miner, Minnehaha, Moody | 24 min |
| Aug 28, 3:44 PM CDT | Tornado Watch | SPC | Brookings, Lake, Moody | 5 hr |
| Aug 28, 3:56 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Turner, Yankton | 49 min |
| Aug 28, 3:57 PM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Clay, Hutchinson, Lincoln, McCook, Minnehaha and 3 more | 7 hr |
| Aug 28, 4:23 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Turner | 37 min |
| Aug 28, 4:23 PM CDT | Tornado Warning | FSD | Lincoln, Turner | 37 min |
| Aug 28, 4:33 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha | 42 min |
| Aug 28, 4:39 PM CDT | Tornado Warning | FSD | Lincoln | 36 min |
| Aug 28, 4:45 PM CDT | Tornado Warning | FSD | Lincoln, Minnehaha | 30 min |
| Aug 28, 5:00 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha | 45 min |
| Aug 28, 6:14 PM CDT | Severe Thunderstorm Warning | FSD | Hanson, Lake, McCook | 31 min |
| Aug 28, 6:15 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha, Moody | 45 min |
| Aug 28, 6:17 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, McCook, Turner | 43 min |
| Aug 28, 6:44 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson, Lake, McCook, Miner, Sanborn | 46 min |
| Aug 28, 6:44 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha | 46 min |
| Aug 28, 6:48 PM CDT | Severe Thunderstorm Warning | FSD | Hanson, Lake, McCook, Minnehaha | 42 min |
| Aug 28, 6:53 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha | 52 min |
| Aug 28, 7:23 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 52 min |
| Aug 28, 7:25 PM CDT | Severe Thunderstorm Warning | FSD | Hanson, Lake, McCook, Miner, Minnehaha, Moody | 50 min |
| Aug 28, 7:27 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Hutchinson, Turner, Yankton | 48 min |
| Aug 28, 7:44 PM CDT | Mesoscale Discussion | SPC | Brookings, Lake, Moody | 91 min |
| Aug 28, 7:48 PM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook, Minnehaha, Moody, Turner | 31 min |
| Aug 28, 7:50 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Clay, Hutchinson, Lincoln, Turner, Yankton | 40 min |
| Aug 28, 8:52 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha | 23 min |
| Aug 28, 9:13 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 47 min |
| Aug 28, 9:20 PM CDT | Flash Flood Warning | FSD | Lincoln, Minnehaha | 85 min |
| Aug 28, 9:29 PM CDT | Flash Flood Warning | FSD | Lincoln, Minnehaha | 3 hr |
| Aug 28, 10:36 PM CDT | Flash Flood Warning | FSD | Lincoln, Minnehaha | 114 min |
| Aug 28, 11:46 PM CDT | River Flood Warning | FSD | Lincoln, Minnehaha | 8 hr |
| Aug 29, 7:44 AM CDT | River Flood Warning | FSD | Lincoln | 15 hr |
| Aug 30, 2:50 PM CDT | Mesoscale Discussion | SPC | Bennett, Custer, Fall River, Jackson, Lawrence, Meade and 2 more | 115 min |
| Aug 30, 2:54 PM CDT | Mesoscale Discussion | SPC | Campbell, Corson | 2 hr |
| Aug 30, 3:59 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade, Pennington | 61 min |
| Aug 30, 4:03 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Campbell, Corson, Custer, Dewey, Haakon and 13 more | 6 hr |
| Aug 30, 4:19 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson, Hutchinson | 56 min |
| Aug 30, 4:34 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 56 min |
| Aug 30, 4:38 PM CDT | Special Weather Statement | ABR | Corson | 37 min |
| Aug 30, 4:54 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 51 min |
| Aug 30, 5:09 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 66 min |
| Aug 30, 5:25 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, Turner | 35 min |
| Aug 30, 5:29 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 61 min |
| Aug 30, 5:30 PM CDT | Severe Thunderstorm Warning | FSD | Hanson, Hutchinson, McCook | 30 min |
| Aug 30, 5:44 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 46 min |
| Aug 30, 5:58 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 62 min |
| Aug 30, 5:59 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, Turner, Yankton | 23 min |
| Aug 30, 6:06 PM CDT | Severe Thunderstorm Warning | UNR | Perkins, Ziebach | 54 min |
| Aug 30, 6:45 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins, Ziebach | 60 min |
| Aug 30, 6:50 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River, Oglala Lakota | 36 min |
| Aug 30, 6:53 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 67 min |
| Aug 30, 7:25 PM CDT | Mesoscale Discussion | SPC | Aurora, Bennett, Bon Homme, Brule, Buffalo, Charles Mix and 18 more | 3 hr |
| Aug 30, 7:29 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Union | 46 min |
| Aug 30, 7:42 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins, Ziebach | 63 min |
| Aug 30, 7:56 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 64 min |
| Aug 30, 7:57 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, McCook, Minnehaha, Turner | 48 min |
| Aug 30, 8:41 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Meade, Ziebach | 64 min |
| Aug 30, 9:12 PM CDT | Special Weather Statement | LBF | Todd | 48 min |
| Aug 30, 9:19 PM CDT | Special Weather Statement | UNR | Perkins | 41 min |
| Aug 30, 9:30 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 60 min |
| Aug 30, 9:33 PM CDT | Special Weather Statement | UNR | Ziebach | 42 min |
| Aug 30, 9:40 PM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 40 min |
| Aug 30, 9:46 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Ziebach | 59 min |
| Aug 30, 9:57 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Bennett, Bon Homme, Brule, Buffalo, Charles Mix and 24 more | 7 hr |
| Aug 30, 10:08 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins | 35 min |
| Aug 30, 10:26 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Pennington | 64 min |
| Aug 30, 10:35 PM CDT | Special Weather Statement | UNR | Todd | 40 min |
| Aug 30, 11:02 PM CDT | Special Weather Statement | UNR | Tripp | 58 min |
| Aug 30, 11:10 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 25 min |
| Aug 30, 11:14 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman | 20 min |
| Aug 30, 11:19 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Jerauld, Sanborn | 41 min |
| Aug 30, 11:46 PM CDT | Areal Flood Warning | ABR | Lyman | 37 min |
| Aug 30, 11:53 PM CDT | Special Weather Statement | UNR | Todd | 67 min |
| Aug 31, 12:00 AM CDT | Flash Flood Warning | FSD | Aurora, Brule | 3 hr |
| Aug 31, 12:05 AM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison, Douglas | 40 min |
| Aug 31, 12:06 AM CDT | Special Weather Statement | UNR | Jackson | 54 min |
| Aug 31, 12:14 AM CDT | Flash Flood Warning | ABR | Lyman | 6 hr |
| Aug 31, 12:15 AM CDT | Severe Thunderstorm Warning | FSD | Hanson, Hutchinson | 45 min |
| Aug 31, 12:29 AM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Mellette, Todd | 61 min |
| Aug 31, 12:33 AM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman | 42 min |
| Aug 31, 1:02 AM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd, Tripp | 58 min |
| Aug 31, 1:19 AM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd, Tripp | 56 min |
| Aug 31, 1:26 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix, Gregory | 49 min |
| Aug 31, 1:57 AM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd, Tripp | 63 min |
| Aug 31, 2:14 AM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix | 31 min |
| Aug 31, 3:02 AM CDT | Mesoscale Discussion | SPC | Gregory | 118 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 205 |
| Tornado Warning | 8 |
| Severe Thunderstorm Watch | 15 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 35 |
| Special Weather Statement | 111 |
| Flooding | |
| Areal Flood Warning | 4 |
| Flash Flood Warning | 5 |
| River Flood Warning | 2 |
| Areal Flood Advisory | 1 |
| Heat | |
| Heat Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 7 |
| Fire Weather Watch | 6 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pennington County37
- Brown County36
- Todd County34
- Lincoln County33
- Meade County32
- Mellette County30
- Minnehaha County28
- Ziebach County28
- Custer County27
- Tripp County27
- Jackson County26
- Turner County26
- Spink County26
- Dewey County26
- Edmunds County26
- Haakon County25
- Hutchinson County25
- Day County25
- Grant County25
- Walworth County25
- Perkins County24
- Corson County24
- Roberts County24
- Potter County23
- Campbell County23
- Fall River County22
- Jones County22
- Lyman County21
- Oglala Lakota County20
- Faulk County20
- Aurora County19
- Davison County19
- Hanson County19
- Sanborn County19
- Clark County19
- Codington County19
- McPherson County19
- Moody County18
- Bennett County18
- McCook County18
26 more counties
- Bon Homme County18
- Jerauld County18
- Yankton County18
- Hughes County18
- Lake County17
- Clay County17
- Union County17
- Hand County17
- Hyde County17
- Stanley County17
- Deuel County16
- Butte County16
- Buffalo County16
- Miner County16
- Lawrence County15
- Brule County15
- Sully County15
- Charles Mix County14
- Hamlin County14
- Marshall County14
- Brookings County13
- Gregory County13
- Harding County12
- Beadle County12
- Douglas County11
- Kingsbury County9
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.