Alert archive / South Dakota / 2019
Weather alerts in South Dakota, August 2019
469 weather alerts in August 2019, 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 2019. Tap one for its archive.
- Alerts
- 469
- Warnings
- 248
- Watches
- 17
- Advisories
- 9
- Busiest day
- August 9, 201951 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 |
|---|---|---|---|---|
| Jul 31, 7:49 PM CDT | Special Weather Statement | UNR | 41 min | |
| Jul 31, 10:09 PM CDT | Special Weather Statement | UNR | Lawrence | 36 min |
| Jul 31, 10:26 PM CDT | Special Weather Statement | UNR | Lawrence | 34 min |
| Jul 31, 10:48 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence, Meade | 42 min |
| Jul 31, 10:59 PM CDT | Special Weather Statement | UNR | Custer | 31 min |
| Aug 1, 6:21 PM CDT | Special Weather Statement | UNR | Haakon | 24 min |
| Aug 1, 6:45 PM CDT | Special Weather Statement | UNR | Haakon | 30 min |
| Aug 1, 7:12 PM CDT | Special Weather Statement | UNR | Haakon | 33 min |
| Aug 1, 7:43 PM CDT | Special Weather Statement | UNR | Haakon | 32 min |
| Aug 1, 9:09 PM CDT | Special Weather Statement | UNR | Pennington | 36 min |
| Aug 1, 10:41 PM CDT | Special Weather Statement | UNR | Pennington | 34 min |
| Aug 1, 10:55 PM CDT | Severe Thunderstorm Warning | UNR | Jackson, Oglala Lakota, Pennington | 52 min |
| Aug 1, 11:41 PM CDT | Flash Flood Warning | UNR | Jackson, Oglala Lakota, Pennington | 6 hr |
| Aug 2, 5:44 AM CDT | Areal Flood Advisory | UNR | Jackson, Oglala Lakota, Pennington | 6 hr |
| Aug 2, 8:02 AM CDT | Areal Flood Warning | ABR | Day, Roberts | 6 hr |
| Aug 2, 8:54 AM CDT | Areal Flood Warning | ABR | Codington | 3 hr |
| Aug 2, 9:50 AM CDT | Areal Flood Warning | ABR | Hand, Spink | 3 hr |
| Aug 2, 10:16 AM CDT | River Flood Warning | ABR | Spink | 31 days |
| Aug 2, 10:37 AM CDT | Areal Flood Warning | FSD | Beadle | 6 hr |
| Aug 2, 10:40 AM CDT | Areal Flood Warning | ABR | Buffalo, Lyman | 6 hr |
| Aug 2, 10:44 AM CDT | Areal Flood Warning | FSD | Brule, Charles Mix, Gregory | 6 hr |
| Aug 2, 11:51 AM CDT | Areal Flood Warning | ABR | Clark, Codington | 6 hr |
| Aug 2, 11:57 AM CDT | Areal Flood Warning | ABR | Hand | 6 hr |
| Aug 2, 11:59 AM CDT | Areal Flood Warning | FSD | Beadle, Jerauld, Kingsbury, Miner, Sanborn | 3 hr |
| Aug 2, 1:59 PM CDT | Areal Flood Warning | ABR | Day | 3 hr |
| Aug 2, 2:12 PM CDT | Special Weather Statement | UNR | Custer | 33 min |
| Aug 2, 2:38 PM CDT | River Flood Warning | UNR | Haakon, Ziebach | 66 hr |
| Aug 2, 2:38 PM CDT | River Flood Warning | UNR | Meade, Pennington | 34 hr |
| Aug 2, 2:44 PM CDT | Areal Flood Warning | FSD | Beadle, Jerauld, Kingsbury, Miner, Sanborn | 2 hr |
| Aug 2, 2:45 PM CDT | Special Weather Statement | UNR | Custer | 45 min |
| Aug 2, 3:27 PM CDT | Special Weather Statement | UNR | Custer | 33 min |
| Aug 2, 3:43 PM CDT | Flash Flood Warning | UNR | Custer | 3 hr |
| Aug 2, 3:56 PM CDT | Special Weather Statement | UNR | Custer | 49 min |
| Aug 2, 5:45 PM CDT | Areal Flood Warning | ABR | Clark, Codington | 9 hr |
| Aug 2, 5:59 PM CDT | Areal Flood Warning | ABR | Hand | 24 hr |
| Aug 2, 6:46 PM CDT | Areal Flood Warning | UNR | Custer | 18 hr |
| Aug 2, 7:18 PM CDT | River Flood Warning | ABR | Grant | 18 hr |
| Aug 2, 8:06 PM CDT | River Flood Warning | ABR | Codington | 35 hr |
| Aug 3, 2:29 AM CDT | River Flood Warning | ABR | Codington | 29 hr |
| Aug 3, 2:42 AM CDT | Areal Flood Warning | FSD | Clay, Hutchinson, Turner, Yankton | 6 hr |
| Aug 3, 6:12 AM CDT | Areal Flood Warning | FSD | Hutchinson | 6 hr |
| Aug 3, 8:35 AM CDT | River Flood Warning | FSD | Davison | 35 hr |
| Aug 3, 12:51 PM CDT | River Flood Warning | ABR | Codington | 27 days |
| Aug 3, 1:33 PM CDT | River Flood Warning | FSD | Yankton | 32 days |
| Aug 3, 2:37 PM CDT | Special Weather Statement | UNR | Custer | 23 min |
| Aug 3, 3:22 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Fall River, Harding, Lawrence | 2 hr |
| Aug 3, 4:11 PM CDT | Special Weather Statement | UNR | Custer | 34 min |
| Aug 3, 4:13 PM CDT | Special Weather Statement | UNR | Lawrence | 32 min |
| Aug 3, 4:47 PM CDT | Special Weather Statement | UNR | Custer | 28 min |
| Aug 3, 5:15 PM CDT | Special Weather Statement | UNR | Custer | 30 min |
| Aug 3, 5:16 PM CDT | Special Weather Statement | UNR | Pennington | 29 min |
| Aug 3, 5:45 PM CDT | Special Weather Statement | UNR | Harding | 45 min |
| Aug 3, 5:53 PM CDT | Special Weather Statement | UNR | Butte | 37 min |
| Aug 3, 6:04 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 56 min |
| Aug 3, 6:21 PM CDT | Mesoscale Discussion | SPC | Butte, Harding, Lawrence, Perkins | 114 min |
| Aug 3, 6:30 PM CDT | Special Weather Statement | UNR | Fall River | 45 min |
| Aug 3, 6:57 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 63 min |
| Aug 3, 7:07 PM CDT | Special Weather Statement | UNR | Lawrence | 23 min |
| Aug 3, 7:40 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 65 min |
| Aug 3, 7:55 PM CDT | Special Weather Statement | UNR | Perkins | 35 min |
| Aug 3, 8:33 PM CDT | Special Weather Statement | UNR | Harding | 42 min |
| Aug 3, 8:42 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 41 min |
| Aug 3, 8:45 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 45 min |
| Aug 3, 9:24 PM CDT | Special Weather Statement | UNR | Perkins | 36 min |
| Aug 3, 9:29 PM CDT | Special Weather Statement | UNR | Harding | 31 min |
| Aug 4, 7:21 AM CDT | River Flood Warning | ABR | Grant | 12 hr |
| Aug 4, 1:34 PM CDT | Special Weather Statement | UNR | Lawrence | 41 min |
| Aug 4, 1:55 PM CDT | Special Weather Statement | UNR | Bennett | 35 min |
| Aug 4, 2:09 PM CDT | Special Weather Statement | LBF | Bennett | 51 min |
| Aug 4, 2:12 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Oglala Lakota | 33 min |
| Aug 4, 2:26 PM CDT | Mesoscale Discussion | SPC | Bennett, Todd | 2 hr |
| Aug 4, 3:12 PM CDT | Special Weather Statement | UNR | Pennington | 48 min |
| Aug 4, 3:38 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Jackson, Oglala Lakota, Pennington | 52 min |
| Aug 4, 4:13 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Oglala Lakota | 62 min |
| Aug 4, 4:24 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Jackson, Mellette, Todd, Tripp | 6 hr |
| Aug 4, 5:00 PM CDT | Special Weather Statement | LBF | Bennett | 45 min |
| Aug 4, 5:15 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Mellette, Todd | 75 min |
| Aug 4, 7:43 PM CDT | Special Weather Statement | UNR | 32 min | |
| Aug 4, 10:34 PM CDT | Special Weather Statement | UNR | Lawrence | 26 min |
| Aug 5, 3:29 PM CDT | Special Weather Statement | UNR | Custer | 31 min |
| Aug 5, 3:46 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 29 min |
| Aug 5, 4:07 PM CDT | Special Weather Statement | UNR | Custer | 23 min |
| Aug 5, 4:14 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 31 min |
| Aug 5, 4:30 PM CDT | Flash Flood Warning | UNR | Custer | 3 hr |
| Aug 5, 4:47 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River | 43 min |
| Aug 5, 5:21 PM CDT | Severe Thunderstorm Warning | UNR | Fall River, Oglala Lakota | 33 min |
| Aug 5, 5:26 PM CDT | Special Weather Statement | UNR | Custer | 19 min |
| Aug 5, 5:40 PM CDT | Mesoscale Discussion | SPC | Oglala Lakota | 95 min |
| Aug 5, 6:44 PM CDT | Special Weather Statement | UNR | 31 min | |
| Aug 5, 7:15 PM CDT | Special Weather Statement | UNR | 30 min | |
| Aug 5, 7:39 PM CDT | Special Weather Statement | UNR | Fall River | 36 min |
| Aug 5, 8:15 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 15 min |
| Aug 5, 8:21 PM CDT | Special Weather Statement | UNR | Fall River | 24 min |
| Aug 5, 9:03 PM CDT | Special Weather Statement | UNR | 27 min | |
| Aug 6, 2:27 PM CDT | Mesoscale Discussion | SPC | Campbell, Corson, Dewey, Edmunds, Faulk, Hughes and 5 more | 93 min |
| Aug 6, 2:53 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Buffalo, Campbell, Corson, Dewey, Edmunds and 12 more | 8 hr |
| Aug 6, 3:47 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 58 min |
| Aug 6, 4:01 PM CDT | Special Weather Statement | ABR | Corson | 59 min |
| Aug 6, 4:23 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 67 min |
| Aug 6, 4:35 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 40 min |
| Aug 6, 4:48 PM CDT | Special Weather Statement | ABR | Campbell | 57 min |
| Aug 6, 4:48 PM CDT | Special Weather Statement | UNR | Meade | 27 min |
| Aug 6, 5:10 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 65 min |
| Aug 6, 5:20 PM CDT | Special Weather Statement | UNR | Haakon | 25 min |
| Aug 6, 5:24 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey, Walworth | 51 min |
| Aug 6, 5:46 PM CDT | Special Weather Statement | UNR | Haakon | 29 min |
| Aug 6, 5:56 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter, Sully | 64 min |
| Aug 6, 6:01 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 59 min |
| Aug 6, 6:19 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bon Homme, Brule, Buffalo, Charles Mix and 9 more | 116 min |
| Aug 6, 6:20 PM CDT | Special Weather Statement | ABR | Campbell | 25 min |
| Aug 6, 6:46 PM CDT | Special Weather Statement | ABR | Campbell | 29 min |
| Aug 6, 6:51 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde, Sully | 54 min |
| Aug 6, 6:52 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Edmunds, McPherson, Walworth | 14 min |
| Aug 6, 6:58 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Walworth | 47 min |
| Aug 6, 7:22 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Edmunds, Potter, Walworth | 38 min |
| Aug 6, 7:46 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hughes, Hyde, Lyman, Stanley | 59 min |
| Aug 6, 7:59 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Faulk, Hyde, Potter | 46 min |
| Aug 6, 8:15 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 45 min |
| Aug 6, 8:19 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bon Homme, Brule, Charles Mix, Davison and 7 more | 9 hr |
| Aug 6, 8:22 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde, Lyman, Sully | 38 min |
| Aug 6, 8:40 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 65 min |
| Aug 6, 8:52 PM CDT | Severe Thunderstorm Warning | FSD | Brule, Charles Mix, Gregory | 53 min |
| Aug 6, 8:56 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hughes, Hyde, Lyman | 64 min |
| Aug 6, 9:34 PM CDT | Flash Flood Warning | FSD | Brule, Charles Mix | 3 hr |
| Aug 6, 9:34 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 41 min |
| Aug 6, 9:38 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 67 min |
| Aug 6, 9:45 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 31 min |
| Aug 6, 10:04 PM CDT | Severe Thunderstorm Warning | FSD | Brule, Charles Mix, Gregory | 41 min |
| Aug 6, 10:24 PM CDT | Mesoscale Discussion | SPC | Gregory | 2 hr |
| Aug 6, 10:33 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 42 min |
| Aug 6, 11:04 PM CDT | Special Weather Statement | UNR | Tripp | 26 min |
| Aug 7, 6:26 PM CDT | Special Weather Statement | UNR | Fall River | 34 min |
| Aug 7, 6:58 PM CDT | Special Weather Statement | UNR | Fall River | 32 min |
| Aug 7, 7:53 PM CDT | Special Weather Statement | UNR | Custer | 37 min |
| Aug 7, 9:53 PM CDT | Special Weather Statement | UNR | Bennett | 22 min |
| Aug 7, 10:14 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 63 min |
| Aug 7, 10:25 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 26 min |
| Aug 7, 10:46 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 29 min |
| Aug 7, 10:48 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 30 min |
| Aug 7, 10:51 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 24 min |
| Aug 7, 10:55 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 50 min |
| Aug 7, 11:04 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 41 min |
| Aug 7, 11:11 PM CDT | Special Weather Statement | UNR | Todd | 34 min |
| Aug 7, 11:13 PM CDT | Mesoscale Discussion | SPC | Bon Homme, Charles Mix, Gregory, Todd, Tripp | 92 min |
| Aug 7, 11:38 PM CDT | Special Weather Statement | UNR | Todd | 22 min |
| Aug 7, 11:54 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 36 min |
| Aug 8, 12:29 AM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Douglas | 31 min |
| Aug 9, 1:04 AM CDT | Special Weather Statement | UNR | Butte, Lawrence | 86 min |
| Aug 9, 2:50 AM CDT | Areal Flood Advisory | UNR | Butte | 7 hr |
| Aug 9, 3:18 AM CDT | Special Weather Statement | UNR | Custer | 87 min |
| Aug 9, 10:18 AM CDT | Special Weather Statement | UNR | Ziebach | 27 min |
| Aug 9, 12:22 PM CDT | Flood Watch | FSD | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 16 more | 12 hr |
| Aug 9, 12:26 PM CDT | Flood Watch | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 9 hr |
| Aug 9, 1:38 PM CDT | Special Weather Statement | UNR | Jackson | 37 min |
| Aug 9, 1:47 PM CDT | Mesoscale Discussion | SPC | Bennett, Brule, Buffalo, Dewey, Gregory, Haakon and 15 more | 88 min |
| Aug 9, 2:04 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter, Sully | 41 min |
| Aug 9, 2:05 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson | 70 min |
| Aug 9, 2:09 PM CDT | Tornado Watch | SPC | Aurora, Beadle, Bennett, Bon Homme, Brule, Buffalo and 25 more | 7 hr |
| Aug 9, 2:30 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Stanley, Sully | 45 min |
| Aug 9, 2:45 PM CDT | Severe Thunderstorm Warning | ABR | Hyde, Sully | 45 min |
| Aug 9, 2:57 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 48 min |
| Aug 9, 3:00 PM CDT | Special Weather Statement | UNR | Pennington | 45 min |
| Aug 9, 3:02 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley, Sully | 43 min |
| Aug 9, 3:06 PM CDT | Severe Thunderstorm Warning | UNR | Jackson, Mellette | 54 min |
| Aug 9, 3:11 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 34 min |
| Aug 9, 3:24 PM CDT | Severe Thunderstorm Warning | ABR | Hyde | 36 min |
| Aug 9, 3:26 PM CDT | Special Weather Statement | UNR | Lawrence | 49 min |
| Aug 9, 3:33 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 42 min |
| Aug 9, 3:43 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brule, Buffalo, Charles Mix, Davison and 16 more | 92 min |
| Aug 9, 3:47 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 43 min |
| Aug 9, 3:47 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 28 min |
| Aug 9, 3:59 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 61 min |
| Aug 9, 4:00 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 30 min |
| Aug 9, 4:02 PM CDT | Areal Flood Warning | ABR | Hughes, Stanley | 3 hr |
| Aug 9, 4:09 PM CDT | Special Weather Statement | UNR | Lawrence | 51 min |
| Aug 9, 4:15 PM CDT | Severe Thunderstorm Warning | ABR | Hughes | 30 min |
| Aug 9, 4:16 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman, Stanley | 44 min |
| Aug 9, 4:18 PM CDT | Tornado Warning | ABR | Hughes | 27 min |
| Aug 9, 4:19 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 56 min |
| Aug 9, 4:26 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman | 29 min |
| Aug 9, 4:26 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 34 min |
| Aug 9, 4:33 PM CDT | Areal Flood Warning | ABR | Hughes, Stanley | 3 hr |
| Aug 9, 4:43 PM CDT | Areal Flood Warning | ABR | Hughes | 6 hr |
| Aug 9, 4:47 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman, Stanley | 43 min |
| Aug 9, 4:55 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Tripp | 65 min |
| Aug 9, 5:06 PM CDT | Special Weather Statement | UNR | Pennington | 39 min |
| Aug 9, 5:21 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hughes, Lyman | 54 min |
| Aug 9, 5:24 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 66 min |
| Aug 9, 5:33 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 42 min |
| Aug 9, 5:34 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 56 min |
| Aug 9, 5:37 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 68 min |
| Aug 9, 6:03 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bon Homme, Brule, Buffalo, Charles Mix and 24 more | 57 min |
| Aug 9, 6:09 PM CDT | Severe Thunderstorm Warning | FSD | Brule, Charles Mix | 51 min |
| Aug 9, 6:24 PM CDT | Severe Thunderstorm Warning | UNR | Jackson, Oglala Lakota, Pennington | 66 min |
| Aug 9, 6:27 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Charles Mix, Gregory | 33 min |
| Aug 9, 6:40 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 65 min |
| Aug 9, 6:57 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Charles Mix, Davison, Douglas, Gregory | 48 min |
| Aug 9, 6:59 PM CDT | Mesoscale Discussion | SPC | Aurora, Bon Homme, Brule, Charles Mix, Clay, Davison and 16 more | 2 hr |
| Aug 9, 7:03 PM CDT | Tornado Warning | FSD | Gregory | 27 min |
| Aug 9, 7:15 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson | 31 min |
| Aug 9, 7:27 PM CDT | Areal Flood Advisory | UNR | Tripp | 4 hr |
| Aug 9, 7:29 PM CDT | Tornado Warning | FSD | Gregory | 16 min |
| Aug 9, 7:30 PM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Clay, Hutchinson, Union, Yankton | 6 hr |
| Aug 9, 7:38 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Douglas, Gregory, Hutchinson | 52 min |
| Aug 9, 7:44 PM CDT | Special Weather Statement | UNR | Tripp | 46 min |
| Aug 9, 7:47 PM CDT | Tornado Warning | FSD | Gregory | 28 min |
| Aug 9, 7:52 PM CDT | Flash Flood Warning | FSD | Gregory | 6 hr |
| Aug 9, 8:16 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 29 min |
| Aug 9, 9:14 PM CDT | Flash Flood Warning | UNR | Tripp | 6 hr |
| Aug 10, 7:07 AM CDT | River Flood Warning | FSD | Charles Mix | 12 hr |
| Aug 10, 2:07 PM CDT | Special Weather Statement | UNR | Perkins | 23 min |
| Aug 10, 2:30 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 17 min |
| Aug 10, 2:34 PM CDT | Special Weather Statement | UNR | Custer | 41 min |
| Aug 10, 2:56 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Meade, Pennington, Perkins | 94 min |
| Aug 10, 3:43 PM CDT | Special Weather Statement | UNR | Perkins | 32 min |
| Aug 10, 3:44 PM CDT | Special Weather Statement | UNR | Custer | 31 min |
| Aug 10, 4:04 PM CDT | Severe Thunderstorm Watch | SPC | Butte, Custer, Fall River, Lawrence, Meade, Oglala Lakota and 1 more | 7 hr |
| Aug 10, 4:10 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins, Ziebach | 36 min |
| Aug 10, 4:15 PM CDT | Special Weather Statement | UNR | Custer | 45 min |
| Aug 10, 4:17 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 41 min |
| Aug 10, 4:20 PM CDT | Special Weather Statement | UNR | Lawrence | 25 min |
| Aug 10, 4:33 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 57 min |
| Aug 10, 4:53 PM CDT | Special Weather Statement | CYS | Fall River | 37 min |
| Aug 10, 5:02 PM CDT | Special Weather Statement | UNR | Perkins | 43 min |
| Aug 10, 5:02 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade, Pennington | 43 min |
| Aug 10, 5:16 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 44 min |
| Aug 10, 5:38 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade, Pennington | 52 min |
| Aug 10, 5:50 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 29 min |
| Aug 10, 5:53 PM CDT | Mesoscale Discussion | SPC | Bennett, Butte, Custer, Fall River, Haakon, Harding and 7 more | 2 hr |
| Aug 10, 6:07 PM CDT | Special Weather Statement | UNR | Ziebach | 38 min |
| Aug 10, 6:14 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 29 min |
| Aug 10, 6:19 PM CDT | Areal Flood Advisory | UNR | Pennington | 2 hr |
| Aug 10, 6:30 PM CDT | Special Weather Statement | UNR | Custer | 30 min |
| Aug 10, 7:06 PM CDT | Special Weather Statement | UNR | Custer | 24 min |
| Aug 10, 7:13 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 62 min |
| Aug 10, 7:27 PM CDT | Flash Flood Warning | UNR | Custer, Pennington | 93 min |
| Aug 10, 7:33 PM CDT | Special Weather Statement | UNR | 27 min | |
| Aug 10, 8:02 PM CDT | Special Weather Statement | UNR | Custer | 28 min |
| Aug 10, 8:34 PM CDT | River Flood Warning | ABR | Spink | 8 days |
| Aug 10, 9:02 PM CDT | Areal Flood Warning | UNR | Custer, Pennington | 9 hr |
| Aug 10, 9:34 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Fall River, Lawrence, Meade, Oglala Lakota and 1 more | 86 min |
| Aug 10, 10:35 PM CDT | Special Weather Statement | UNR | Harding | 40 min |
| Aug 10, 11:08 PM CDT | Special Weather Statement | UNR | Harding | 52 min |
| Aug 11, 2:21 AM CDT | Dense Fog Advisory | FSD | Brookings, Clay, Kingsbury, Lake, Lincoln, McCook and 5 more | 7 hr |
| Aug 11, 4:15 AM CDT | Flash Flood Watch | UNR | Butte, Custer, Fall River, Harding, Lawrence, Meade and 2 more | 25 hr |
| Aug 11, 6:40 AM CDT | Special Weather Statement | UNR | Bennett | 65 min |
| Aug 11, 1:15 PM CDT | Mesoscale Discussion | SPC | Butte, Harding, Lawrence | 90 min |
| Aug 11, 2:59 PM CDT | Tornado Watch | SPC | Bennett, Butte, Custer, Fall River, Haakon, Harding and 10 more | 10 hr |
| Aug 11, 4:30 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 45 min |
| Aug 11, 4:47 PM CDT | Severe Thunderstorm Warning | UNR | Oglala Lakota | 58 min |
| Aug 11, 5:22 PM CDT | Flash Flood Warning | UNR | Oglala Lakota | 4 hr |
| Aug 11, 5:38 PM CDT | Severe Thunderstorm Warning | UNR | Oglala Lakota | 52 min |
| Aug 11, 5:48 PM CDT | Special Weather Statement | UNR | Fall River | 42 min |
| Aug 11, 5:51 PM CDT | Mesoscale Discussion | SPC | Fall River | 114 min |
| Aug 11, 5:52 PM CDT | Flash Flood Warning | UNR | Fall River | 3 hr |
| Aug 11, 5:57 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 36 min |
| Aug 11, 6:02 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River | 58 min |
| Aug 11, 6:15 PM CDT | Flash Flood Warning | UNR | Fall River | 3 hr |
| Aug 11, 6:21 PM CDT | Tornado Warning | UNR | Fall River | 12 min |
| Aug 11, 6:24 PM CDT | Severe Thunderstorm Warning | UNR | Oglala Lakota | 66 min |
| Aug 11, 6:31 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 44 min |
| Aug 11, 6:39 PM CDT | Areal Flood Advisory | UNR | Custer | 3 hr |
| Aug 11, 6:54 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Fall River, Harding, Lawrence, Meade and 3 more | 66 min |
| Aug 11, 6:55 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River, Oglala Lakota, Pennington | 35 min |
| Aug 11, 7:09 PM CDT | Flash Flood Warning | UNR | Oglala Lakota | 3 hr |
| Aug 11, 7:12 PM CDT | Special Weather Statement | UNR | Perkins | 63 min |
| Aug 11, 7:30 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Oglala Lakota | 45 min |
| Aug 11, 7:34 PM CDT | Areal Flood Advisory | UNR | Custer, Pennington | 3 hr |
| Aug 11, 7:38 PM CDT | Special Weather Statement | UNR | Pennington | 52 min |
| Aug 11, 7:40 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 50 min |
| Aug 11, 7:51 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Pennington | 39 min |
| Aug 11, 8:02 PM CDT | Special Weather Statement | UNR | Perkins | 43 min |
| Aug 11, 8:11 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Oglala Lakota | 49 min |
| Aug 11, 8:14 PM CDT | Areal Flood Advisory | UNR | Perkins | 117 min |
| Aug 11, 8:20 PM CDT | Flash Flood Warning | UNR | Bennett, Jackson, Oglala Lakota | 3 hr |
| Aug 11, 8:25 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Pennington | 65 min |
| Aug 11, 8:59 PM CDT | Flash Flood Warning | UNR | Oglala Lakota | 110 min |
| Aug 11, 9:45 PM CDT | Mesoscale Discussion | SPC | Haakon, Harding, Jackson, Jones, Mellette, Perkins and 3 more | 60 min |
| Aug 11, 9:48 PM CDT | Special Weather Statement | ABR | Campbell, Corson, Dewey, Walworth | 42 min |
| Aug 11, 10:46 PM CDT | Areal Flood Warning | UNR | Bennett, Oglala Lakota | 24 hr |
| Aug 12, 12:15 AM CDT | Special Weather Statement | UNR | Harding | 30 min |
| Aug 12, 12:54 AM CDT | Special Weather Statement | UNR | Harding | 51 min |
| Aug 12, 12:57 AM CDT | Special Weather Statement | UNR | Lawrence | 3 hr |
| Aug 12, 1:59 AM CDT | Special Weather Statement | UNR | Butte | 46 min |
| Aug 12, 2:47 AM CDT | Special Weather Statement | UNR | Meade | 43 min |
| Aug 14, 6:28 AM CDT | Special Weather Statement | UNR | Pennington | 47 min |
| Aug 14, 7:21 AM CDT | Special Weather Statement | UNR | Jackson | 39 min |
| Aug 14, 8:26 AM CDT | Special Weather Statement | UNR | Jackson | 49 min |
| Aug 14, 9:31 AM CDT | Special Weather Statement | UNR | Fall River | 29 min |
| Aug 14, 12:44 PM CDT | Special Weather Statement | UNR | Custer | 31 min |
| Aug 14, 1:21 PM CDT | Special Weather Statement | UNR | Custer | 24 min |
| Aug 14, 1:39 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 28 min |
| Aug 14, 9:14 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Lawrence, Pennington | 91 min |
| Aug 14, 10:44 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence | 61 min |
| Aug 14, 11:38 PM CDT | Special Weather Statement | UNR | Pennington | 37 min |
| Aug 14, 11:43 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade, Pennington | 11 min |
| Aug 14, 11:56 PM CDT | Mesoscale Discussion | SPC | Custer, Fall River, Oglala Lakota, Pennington | 94 min |
| Aug 15, 12:10 AM CDT | Special Weather Statement | UNR | Pennington | 35 min |
| Aug 15, 12:21 AM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 54 min |
| Aug 15, 2:04 AM CDT | Severe Thunderstorm Warning | UNR | Fall River | 71 min |
| Aug 15, 2:29 AM CDT | Mesoscale Discussion | SPC | Fall River | 2 hr |
| Aug 15, 3:12 AM CDT | Severe Thunderstorm Warning | UNR | Fall River, Oglala Lakota | 36 min |
| Aug 15, 3:16 AM CDT | Severe Thunderstorm Warning | UNR | Fall River | 44 min |
| Aug 15, 12:21 PM CDT | Special Weather Statement | UNR | Butte | 24 min |
| Aug 15, 12:26 PM CDT | Special Weather Statement | ABR | Corson | 49 min |
| Aug 15, 1:18 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brookings, Brown, Brule, Buffalo and 37 more | 87 min |
| Aug 15, 1:39 PM CDT | Special Weather Statement | ABR | Campbell | 36 min |
| Aug 15, 2:27 PM CDT | Special Weather Statement | UNR | Haakon | 18 min |
| Aug 15, 2:51 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 17 min |
| Aug 15, 3:09 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Brookings, Brown, Brule, Buffalo and 29 more | 6 hr |
| Aug 15, 3:39 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman, Stanley | 36 min |
| Aug 15, 3:49 PM CDT | Special Weather Statement | ABR | Brown | 41 min |
| Aug 15, 4:10 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 20 min |
| Aug 15, 4:24 PM CDT | Special Weather Statement | ABR | Brown | 51 min |
| Aug 15, 4:43 PM CDT | Special Weather Statement | ABR | Spink | 47 min |
| Aug 15, 5:12 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Day, Marshall | 48 min |
| Aug 15, 5:24 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Hamlin | 51 min |
| Aug 15, 5:30 PM CDT | Severe Thunderstorm Warning | ABR | Day, Marshall, Roberts | 45 min |
| Aug 15, 5:42 PM CDT | Mesoscale Discussion | SPC | Brookings, Clark, Codington, Davison, Day, Deuel and 11 more | 2 hr |
| Aug 15, 5:43 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury, Miner, Sanborn | 47 min |
| Aug 15, 5:46 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Day, Grant, Roberts | 44 min |
| Aug 15, 5:52 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury | 38 min |
| Aug 15, 5:56 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Deuel, Grant, Hamlin | 49 min |
| Aug 15, 5:57 PM CDT | Tornado Warning | FSD | Beadle, Kingsbury, Miner, Sanborn | 33 min |
| Aug 15, 6:26 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury, Lake, Miner, Moody | 49 min |
| Aug 15, 6:28 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Deuel, Grant, Hamlin | 47 min |
| Aug 15, 7:25 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Minnehaha, Moody | 35 min |
| Aug 15, 7:48 PM CDT | Mesoscale Discussion | SPC | Lincoln, Minnehaha, Moody, Turner | 117 min |
| Aug 15, 7:52 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha, Moody | 53 min |
| Aug 16, 6:21 PM CDT | Special Weather Statement | UNR | Custer | 24 min |
| Aug 16, 6:24 PM CDT | Special Weather Statement | UNR | Fall River | 36 min |
| Aug 16, 6:36 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 31 min |
| Aug 16, 7:04 PM CDT | Special Weather Statement | UNR | Fall River | 26 min |
| Aug 16, 7:12 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River | 33 min |
| Aug 16, 7:39 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River, Oglala Lakota | 51 min |
| Aug 16, 8:08 PM CDT | Special Weather Statement | UNR | Pennington | 52 min |
| Aug 16, 8:12 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Oglala Lakota, Pennington | 48 min |
| Aug 16, 9:57 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 33 min |
| Aug 16, 10:28 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 32 min |
| Aug 17, 12:52 AM CDT | Special Weather Statement | ABR | Jones | 38 min |
| Aug 17, 12:58 AM CDT | Severe Thunderstorm Warning | FSD | Brule | 32 min |
| Aug 17, 1:28 AM CDT | Severe Thunderstorm Warning | FSD | Brule | 47 min |
| Aug 17, 2:25 AM CDT | Special Weather Statement | ABR | Buffalo | 35 min |
| Aug 17, 12:05 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade | 32 min |
| Aug 17, 12:31 PM CDT | Mesoscale Discussion | SPC | Beadle, Brown, Buffalo, Campbell, Corson, Custer and 24 more | 119 min |
| Aug 17, 12:39 PM CDT | Special Weather Statement | UNR | Lawrence | 36 min |
| Aug 17, 1:55 PM CDT | Special Weather Statement | UNR | Custer | 35 min |
| Aug 17, 2:05 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade | 16 min |
| Aug 17, 2:11 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 35 min |
| Aug 17, 2:19 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Brown, Buffalo, Clark, Custer, Day and 22 more | 7 hr |
| Aug 17, 2:47 PM CDT | Special Weather Statement | UNR | Pennington | 28 min |
| Aug 17, 3:10 PM CDT | Special Weather Statement | UNR | Custer | 35 min |
| Aug 17, 3:12 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 63 min |
| Aug 17, 3:17 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley, Sully | 43 min |
| Aug 17, 3:42 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 17 min |
| Aug 17, 3:48 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Sully | 29 min |
| Aug 17, 3:49 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds, McPherson | 41 min |
| Aug 17, 4:03 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 42 min |
| Aug 17, 4:06 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Hand, Hyde | 19 min |
| Aug 17, 4:28 PM CDT | Special Weather Statement | ABR | Brown | 17 min |
| Aug 17, 4:54 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 22 min |
| Aug 17, 5:12 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bon Homme, Brookings, Charles Mix, Clark and 23 more | 2 hr |
| Aug 17, 5:13 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Jones, Lyman, Stanley | 47 min |
| Aug 17, 5:16 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 28 min |
| Aug 17, 5:21 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 54 min |
| Aug 17, 5:24 PM CDT | Severe Thunderstorm Warning | ABR | Hand, Hyde | 36 min |
| Aug 17, 5:29 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 46 min |
| Aug 17, 5:32 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Douglas, Gregory | 43 min |
| Aug 17, 5:45 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman | 30 min |
| Aug 17, 5:48 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 42 min |
| Aug 17, 5:52 PM CDT | Tornado Warning | ABR | Hand, Hyde | 23 min |
| Aug 17, 5:55 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 17 min |
| Aug 17, 5:57 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 31 min |
| Aug 17, 5:59 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Tripp | 61 min |
| Aug 17, 6:09 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 15 min |
| Aug 17, 6:14 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 23 more | 8 hr |
| Aug 17, 6:16 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 44 min |
| Aug 17, 6:24 PM CDT | Tornado Warning | FSD | Charles Mix, Gregory | 36 min |
| Aug 17, 6:41 PM CDT | Severe Thunderstorm Warning | ABR | Grant, Roberts | 34 min |
| Aug 17, 6:56 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 19 min |
| Aug 17, 7:10 PM CDT | Severe Thunderstorm Warning | FSD | Brule, Charles Mix, Gregory | 50 min |
| Aug 17, 7:12 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 33 min |
| Aug 17, 7:14 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Lyman | 46 min |
| Aug 17, 7:16 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule | 44 min |
| Aug 17, 7:19 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 41 min |
| Aug 17, 7:41 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Douglas | 49 min |
| Aug 17, 7:43 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Charles Mix, Gregory, Jerauld | 47 min |
| Aug 17, 7:45 PM CDT | Special Weather Statement | ABR | Hughes | 30 min |
| Aug 17, 7:59 PM CDT | Special Weather Statement | ABR | Hyde | 31 min |
| Aug 17, 8:06 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Charles Mix, Davison, Douglas, Gregory, Hanson and 4 more | 39 min |
| Aug 17, 8:12 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman | 33 min |
| Aug 17, 8:15 PM CDT | Special Weather Statement | ABR | Hyde | 30 min |
| Aug 17, 8:24 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Davison, Douglas, Hutchinson | 36 min |
| Aug 17, 8:26 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bon Homme, Brookings, Brule, Charles Mix and 20 more | 94 min |
| Aug 17, 8:40 PM CDT | Severe Thunderstorm Warning | FSD | Davison, Douglas, Hanson, Hutchinson, Lake, McCook and 2 more | 50 min |
| Aug 17, 9:18 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Hanson, Hutchinson, Kingsbury, Lake, Lincoln and 5 more | 42 min |
| Aug 17, 9:44 PM CDT | Special Weather Statement | LBF | Bennett | 46 min |
| Aug 17, 9:52 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury, Lake, Minnehaha, Moody | 38 min |
| Aug 17, 10:02 PM CDT | Tornado Warning | FSD | Brookings, Moody | 12 min |
| Aug 17, 10:32 PM CDT | Mesoscale Discussion | SPC | Bon Homme, Clay, Lincoln, Minnehaha, Moody, Turner and 2 more | 88 min |
| Aug 17, 10:46 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 44 min |
| Aug 18, 12:00 AM CDT | Mesoscale Discussion | SPC | Clay, Union | 90 min |
| Aug 18, 10:37 AM CDT | River Flood Warning | FSD | Brookings, Moody | 5 days |
| Aug 18, 7:17 PM CDT | Areal Flood Warning | ABR | Hamlin | 48 hr |
| Aug 18, 9:09 PM CDT | River Flood Warning | ABR | Hamlin | 34 hr |
| Aug 19, 6:06 PM CDT | Mesoscale Discussion | SPC | Corson | 114 min |
| Aug 19, 11:05 PM CDT | Mesoscale Discussion | SPC | Lincoln, Union | 115 min |
| Aug 19, 11:56 PM CDT | Severe Thunderstorm Watch | SPC | Lincoln, McCook, Minnehaha, Turner, Union | 8 hr |
| Aug 20, 4:29 AM CDT | Dense Fog Advisory | ABR | Buffalo, Campbell, Corson, Dewey, Edmunds, Faulk and 10 more | 3 hr |
| Aug 20, 6:59 AM CDT | River Flood Warning | FSD | Brookings, Hamlin | 37 hr |
| Aug 20, 6:59 AM CDT | River Flood Warning | FSD | Brookings | 21 days |
| Aug 21, 4:45 PM CDT | Special Weather Statement | UNR | Lawrence | 30 min |
| Aug 22, 8:55 PM CDT | Special Weather Statement | UNR | 50 min | |
| Aug 22, 9:42 PM CDT | Special Weather Statement | UNR | 48 min | |
| Aug 22, 10:28 PM CDT | Special Weather Statement | UNR | 47 min | |
| Aug 23, 3:08 PM CDT | Mesoscale Discussion | SPC | Fall River | 2 hr |
| Aug 23, 3:58 PM CDT | Severe Thunderstorm Watch | SPC | Custer, Fall River | 7 hr |
| Aug 23, 5:01 PM CDT | Special Weather Statement | UNR | Lawrence | 29 min |
| Aug 23, 5:31 PM CDT | Special Weather Statement | UNR | Lawrence | 29 min |
| Aug 23, 6:05 PM CDT | Special Weather Statement | UNR | Lawrence | 25 min |
| Aug 23, 6:39 PM CDT | Special Weather Statement | UNR | 36 min | |
| Aug 23, 10:25 PM CDT | Special Weather Statement | UNR | Butte | 50 min |
| Aug 23, 10:43 PM CDT | Special Weather Statement | UNR | Butte | 47 min |
| Aug 24, 12:00 AM CDT | Special Weather Statement | UNR | Pennington | 15 min |
| Aug 24, 2:48 PM CDT | Special Weather Statement | UNR | Lawrence | 42 min |
| Aug 24, 8:52 PM CDT | Special Weather Statement | UNR | Perkins | 38 min |
| Aug 25, 2:50 PM CDT | Mesoscale Discussion | SPC | Campbell, Corson, Dewey, Edmunds, Haakon, Hughes and 13 more | 115 min |
| Aug 25, 3:18 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Buffalo, Campbell, Corson, Dewey, Edmunds and 17 more | 9 hr |
| Aug 25, 5:23 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 22 min |
| Aug 25, 5:35 PM CDT | Severe Thunderstorm Warning | UNR | Oglala Lakota | 38 min |
| Aug 25, 5:45 PM CDT | Special Weather Statement | UNR | Lawrence | 30 min |
| Aug 25, 5:55 PM CDT | Special Weather Statement | ABR | Stanley | 35 min |
| Aug 25, 5:58 PM CDT | Mesoscale Discussion | SPC | Campbell, Corson, Dewey, Edmunds, Faulk, Haakon and 11 more | 2 hr |
| Aug 25, 6:08 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Stanley | 52 min |
| Aug 25, 6:23 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 22 min |
| Aug 25, 6:26 PM CDT | Special Weather Statement | UNR | Pennington | 34 min |
| Aug 25, 6:32 PM CDT | Areal Flood Warning | ABR | Stanley | 3 hr |
| Aug 25, 6:57 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman | 48 min |
| Aug 25, 6:57 PM CDT | Special Weather Statement | UNR | Bennett | 33 min |
| Aug 25, 7:15 PM CDT | Mesoscale Discussion | SPC | Custer, Fall River, Lawrence, Pennington | 2 hr |
| Aug 25, 7:24 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 29 min |
| Aug 25, 7:33 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Butte, Custer, Fall River, Haakon, Jackson and 7 more | 6 hr |
| Aug 25, 7:43 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman | 20 min |
| Aug 25, 7:50 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson, Dewey, Walworth | 40 min |
| Aug 25, 8:49 PM CDT | Special Weather Statement | ABR | Stanley | 26 min |
| Aug 25, 8:55 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River | 65 min |
| Aug 25, 9:19 PM CDT | Special Weather Statement | UNR | Custer | 41 min |
| Aug 25, 9:36 PM CDT | Special Weather Statement | UNR | Pennington | 39 min |
| Aug 25, 9:43 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman | 51 min |
| Aug 25, 9:49 PM CDT | Mesoscale Discussion | SPC | Bennett, Bon Homme, Brule, Charles Mix, Custer, Douglas and 10 more | 116 min |
| Aug 25, 9:51 PM CDT | Severe Thunderstorm Warning | UNR | Fall River, Oglala Lakota | 54 min |
| Aug 25, 10:14 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Meade, Pennington | 61 min |
| Aug 25, 10:21 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 39 min |
| Aug 25, 10:45 PM CDT | Severe Thunderstorm Warning | UNR | Fall River, Oglala Lakota | 43 min |
| Aug 25, 11:18 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Oglala Lakota | 57 min |
| Aug 25, 11:52 PM CDT | Special Weather Statement | UNR | Mellette | 23 min |
| Aug 25, 11:54 PM CDT | Special Weather Statement | UNR | Haakon, Jackson | 36 min |
| Aug 26, 12:04 AM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Mellette | 56 min |
| Aug 26, 12:21 AM CDT | Severe Thunderstorm Warning | ABR | Jones, Stanley | 39 min |
| Aug 26, 12:56 AM CDT | Special Weather Statement | UNR | Todd, Tripp | 64 min |
| Aug 26, 1:05 AM CDT | Mesoscale Discussion | SPC | Gregory, Jones, Lyman, Mellette, Todd, Tripp | 55 min |
| Aug 26, 1:30 AM CDT | Special Weather Statement | LBF | Bennett | 45 min |
| Aug 26, 5:12 PM CDT | Special Weather Statement | UNR | Harding | 33 min |
| Aug 26, 5:36 PM CDT | Special Weather Statement | UNR | Butte | 24 min |
| Aug 26, 5:43 PM CDT | Special Weather Statement | UNR | Harding | 32 min |
| Aug 26, 6:12 PM CDT | Special Weather Statement | UNR | Butte | 33 min |
| Aug 26, 6:15 PM CDT | Special Weather Statement | UNR | Perkins | 30 min |
| Aug 30, 5:13 PM CDT | Special Weather Statement | LBF | Todd | 32 min |
| Aug 31, 10:01 AM CDT | Areal Flood Warning | FSD | Bon Homme, Charles Mix | 3 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 186 |
| Tornado Warning | 9 |
| Severe Thunderstorm Watch | 12 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 38 |
| Special Weather Statement | 157 |
| Flooding | |
| Areal Flood Warning | 24 |
| Flash Flood Warning | 13 |
| River Flood Warning | 16 |
| Flash Flood Watch | 1 |
| Flood Watch | 2 |
| Areal Flood Advisory | 7 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Custer County64
- Pennington County57
- Fall River County44
- Oglala Lakota County43
- Lawrence County39
- Lyman County39
- Gregory County36
- Hughes County36
- Charles Mix County35
- Jackson County34
- Jones County33
- Stanley County33
- Tripp County30
- Meade County28
- Brule County28
- Bennett County28
- Haakon County27
- Hyde County27
- Sully County27
- Butte County25
- Perkins County24
- Mellette County24
- Harding County22
- Douglas County20
- Hand County19
- Beadle County19
- Buffalo County19
- Sanborn County19
- Hutchinson County19
- Todd County19
- Dewey County19
- Davison County18
- Campbell County18
- Corson County18
- Potter County18
- Moody County18
- Codington County17
- Miner County17
- Aurora County17
- Jerauld County16
26 more counties
- Kingsbury County16
- Edmunds County15
- Walworth County15
- Bon Homme County15
- Hanson County15
- Brookings County15
- Minnehaha County15
- Ziebach County14
- Faulk County14
- Lake County14
- McPherson County13
- Hamlin County13
- Spink County12
- Grant County12
- Turner County12
- Lincoln County12
- McCook County12
- Day County11
- Roberts County11
- Clark County11
- Brown County11
- Clay County10
- Union County10
- Yankton County9
- Deuel County9
- Marshall County7
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.