Alert archive / South Dakota / 2026
Weather alerts in South Dakota, August 2026
405 weather alerts in August 2026, 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 2026. Tap one for its archive.
- Alerts
- 405
- Warnings
- 224
- Watches
- 14
- Advisories
- 7
- Busiest day
- August 30, 202644 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 1, 3:16 AM CDT | Heat Advisory | UNR | Bennett, Custer, Fall River, Haakon, Jackson, Meade and 3 more | 42 hr |
| Aug 2, 1:53 AM CDT | Heat Advisory | ABR | Corson, Dewey, Jones, Stanley | 19 hr |
| Aug 2, 12:19 PM CDT | Red Flag Warning | UNR | Bennett, Butte, Custer, Fall River, Haakon, Jackson and 6 more | 33 hr |
| Aug 2, 1:02 PM CDT | Red Flag Warning | ABR | Corson, Dewey, Jones, Potter, Stanley, Sully | 32 hr |
| Aug 3, 8:58 PM CDT | Special Weather Statement | ABR | Campbell, Corson, Dewey, Jones, Potter, Stanley and 2 more | 2 hr |
| Aug 5, 12:13 PM CDT | Red Flag Warning | UNR | Butte, Custer, Fall River | 33 hr |
| Aug 6, 12:55 AM CDT | Dense Fog Advisory | FSD | Bon Homme, Clay, Lincoln, Minnehaha, Turner, Union and 1 more | 9 hr |
| Aug 7, 2:22 AM CDT | Severe Thunderstorm Warning | FSD | Gregory | 28 min |
| Aug 7, 4:39 AM CDT | Severe Thunderstorm Warning | FSD | Miner, Sanborn | 37 min |
| Aug 7, 4:47 AM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson | 29 min |
| Aug 7, 4:58 AM CDT | Severe Thunderstorm Warning | ABR | Codington, Day, Grant, Roberts | 26 min |
| Aug 7, 5:01 AM CDT | Severe Thunderstorm Warning | FSD | Kingsbury, Lake, Miner | 44 min |
| Aug 7, 5:06 AM CDT | Severe Thunderstorm Warning | ABR | Grant, Roberts | 39 min |
| Aug 7, 5:08 AM CDT | Severe Thunderstorm Warning | FSD | Hanson, Lake, McCook, Miner | 52 min |
| Aug 7, 5:21 AM CDT | Special Weather Statement | ABR | Codington | 24 min |
| Aug 7, 5:23 AM CDT | Mesoscale Discussion | SPC | Brookings, Deuel, Lake, Minnehaha, Moody | 3 hr |
| Aug 7, 5:35 AM CDT | Severe Thunderstorm Warning | FSD | Lake, Moody | 21 min |
| Aug 7, 5:43 AM CDT | Severe Thunderstorm Warning | FSD | Brookings | 25 min |
| Aug 7, 6:46 PM CDT | Red Flag Warning | UNR | Butte, Lawrence, Meade | 26 hr |
| Aug 8, 4:39 AM CDT | Mesoscale Discussion | SPC | Bennett, Jackson, Todd | 3 hr |
| Aug 8, 7:01 AM CDT | Severe Thunderstorm Warning | UNR | Bennett, Todd | 59 min |
| Aug 8, 7:28 AM CDT | Severe Thunderstorm Warning | UNR | Bennett, Todd | 32 min |
| Aug 8, 7:57 AM CDT | Severe Thunderstorm Warning | UNR | Todd | 42 min |
| Aug 8, 7:08 PM CDT | Mesoscale Discussion | SPC | Brown, Campbell, McPherson | 97 min |
| Aug 8, 8:34 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 40 min |
| Aug 8, 10:41 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 64 min |
| Aug 8, 10:41 PM CDT | Special Weather Statement | BIS | Campbell | 34 min |
| Aug 8, 10:47 PM CDT | Mesoscale Discussion | SPC | Beadle, Brown, Campbell, Clark, Codington, Corson and 14 more | 118 min |
| Aug 8, 10:49 PM CDT | Special Weather Statement | UNR | Bennett | 26 min |
| Aug 8, 11:11 PM CDT | Special Weather Statement | UNR | Bennett | 34 min |
| Aug 8, 11:31 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, McPherson | 59 min |
| Aug 8, 11:42 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 63 min |
| Aug 8, 11:56 PM CDT | Severe Thunderstorm Watch | SPC | Beadle, Brookings, Brown, Campbell, Clark, Codington and 17 more | 5 hr |
| Aug 8, 11:57 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Edmunds, McPherson | 63 min |
| Aug 9, 12:31 AM CDT | Severe Thunderstorm Warning | ABR | Campbell | 59 min |
| Aug 9, 1:01 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds, McPherson | 34 min |
| Aug 9, 1:27 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, Edmunds, McPherson, Walworth | 31 min |
| Aug 9, 2:01 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds | 31 min |
| Aug 9, 2:25 AM CDT | Severe Thunderstorm Warning | ABR | Faulk, Spink | 50 min |
| Aug 9, 2:27 AM CDT | Mesoscale Discussion | SPC | Beadle, Brookings, Brown, Clark, Codington, Day and 10 more | 2 hr |
| Aug 9, 4:12 AM CDT | Severe Thunderstorm Warning | ABR | Spink | 33 min |
| Aug 10, 2:14 AM CDT | Red Flag Warning | UNR | Custer, Fall River | 19 hr |
| Aug 10, 5:39 PM CDT | Mesoscale Discussion | SPC | Bennett, Brule, Buffalo, Custer, Gregory, Haakon and 12 more | 2 hr |
| Aug 10, 5:43 PM CDT | Special Weather Statement | UNR | Custer | 32 min |
| Aug 10, 5:49 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 39 min |
| Aug 10, 6:15 PM CDT | Mesoscale Discussion | SPC | Campbell, Corson, Dewey, Harding, Perkins, Potter and 4 more | 2 hr |
| Aug 10, 7:01 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 29 min |
| Aug 10, 7:27 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 63 min |
| Aug 10, 7:48 PM CDT | Severe Thunderstorm Watch | SPC | Campbell, Corson, Dewey, Haakon, Hughes, Jackson and 12 more | 7 hr |
| Aug 10, 8:10 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 65 min |
| Aug 10, 9:11 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 49 min |
| Aug 10, 9:36 PM CDT | Mesoscale Discussion | SPC | Haakon, Hughes, Jones, Perkins, Stanley, Sully and 1 more | 114 min |
| Aug 10, 9:51 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins, Ziebach | 54 min |
| Aug 10, 9:57 PM CDT | Tornado Warning | UNR | Meade, Ziebach | 33 min |
| Aug 10, 10:27 PM CDT | Tornado Warning | UNR | Meade, Ziebach | 33 min |
| Aug 10, 10:30 PM CDT | Mesoscale Discussion | SPC | Brown, Campbell, Corson, Edmunds, Harding, McPherson and 3 more | 2 hr |
| Aug 10, 10:35 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Meade, Ziebach | 55 min |
| Aug 10, 11:22 PM CDT | Severe Thunderstorm Warning | UNR | Haakon | 53 min |
| Aug 10, 11:50 PM CDT | Mesoscale Discussion | SPC | Corson, Haakon, Mellette, Ziebach | 55 min |
| Aug 11, 12:13 AM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Mellette | 39 min |
| Aug 11, 12:49 AM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, Turner, Yankton | 41 min |
| Aug 11, 12:59 AM CDT | Severe Thunderstorm Warning | ABR | Jones | 26 min |
| Aug 11, 1:15 AM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brookings, Clay, Davison, Douglas and 14 more | 2 hr |
| Aug 11, 1:27 AM CDT | Severe Thunderstorm Warning | FSD | Turner | 33 min |
| Aug 11, 1:49 AM CDT | Severe Thunderstorm Warning | FSD | Turner, Yankton | 26 min |
| Aug 11, 3:34 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 26 min |
| Aug 11, 4:15 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 35 min |
| Aug 11, 2:13 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Haakon, Harding, Jackson, Lawrence and 5 more | 2 hr |
| Aug 11, 2:43 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Butte, Custer, Fall River, Haakon, Harding and 7 more | 8 hr |
| Aug 11, 3:04 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade, Pennington | 42 min |
| Aug 11, 3:30 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade, Pennington | 38 min |
| Aug 11, 4:00 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 60 min |
| Aug 11, 5:04 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 56 min |
| Aug 11, 5:16 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 59 min |
| Aug 11, 5:18 PM CDT | Mesoscale Discussion | SPC | Campbell, McPherson | 87 min |
| Aug 11, 5:40 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Campbell, Corson, Day, Dewey, Edmunds and 3 more | 7 hr |
| Aug 11, 5:48 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Harding, Lawrence, Meade, Oglala Lakota and 1 more | 87 min |
| Aug 11, 5:56 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River, Oglala Lakota | 38 min |
| Aug 11, 5:59 PM CDT | Special Weather Statement | ABR | Brown | 31 min |
| Aug 11, 6:06 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 18 min |
| Aug 11, 6:09 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding | 56 min |
| Aug 11, 6:29 PM CDT | Severe Thunderstorm Warning | UNR | Oglala Lakota | 61 min |
| Aug 11, 6:49 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 16 min |
| Aug 11, 7:02 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding, Meade, Perkins | 48 min |
| Aug 11, 7:31 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Oglala Lakota, Pennington | 24 min |
| Aug 11, 7:47 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade | 58 min |
| Aug 11, 7:58 PM CDT | Mesoscale Discussion | SPC | Haakon, Jackson, Meade, Oglala Lakota, Pennington, Perkins and 1 more | 92 min |
| Aug 11, 8:00 PM CDT | Special Weather Statement | UNR | Lawrence | 45 min |
| Aug 11, 8:44 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Meade, Pennington | 61 min |
| Aug 11, 9:04 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 41 min |
| Aug 11, 9:28 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 23 min |
| Aug 11, 9:29 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 55 min |
| Aug 11, 9:42 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 10 min |
| Aug 11, 9:43 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Meade, Pennington | 55 min |
| Aug 11, 10:00 PM CDT | Mesoscale Discussion | SPC | Aurora, Bennett, Brule, Buffalo, Charles Mix, Douglas and 10 more | 90 min |
| Aug 11, 10:24 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Bennett, Brule, Charles Mix, Douglas, Gregory and 6 more | 7 hr |
| Aug 11, 10:38 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Mellette | 67 min |
| Aug 11, 10:44 PM CDT | Severe Thunderstorm Warning | UNR | Perkins, Ziebach | 61 min |
| Aug 11, 10:48 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 42 min |
| Aug 11, 10:49 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Mellette | 56 min |
| Aug 11, 10:53 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Oglala Lakota, Pennington | 30 min |
| Aug 11, 11:00 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Stanley | 60 min |
| Aug 11, 11:29 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Mellette, Todd, Tripp | 51 min |
| Aug 12, 12:17 AM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd, Tripp | 58 min |
| Aug 12, 1:02 AM CDT | Mesoscale Discussion | SPC | Charles Mix, Gregory, Tripp | 88 min |
| Aug 12, 1:04 AM CDT | Severe Thunderstorm Warning | UNR | Tripp | 26 min |
| Aug 12, 1:29 AM CDT | Severe Thunderstorm Warning | UNR | Tripp | 16 min |
| Aug 12, 2:24 AM CDT | Severe Thunderstorm Watch | SPC | Union | 8 hr |
| Aug 12, 4:16 AM CDT | Severe Thunderstorm Warning | FSD | Union | 37 min |
| Aug 12, 1:45 PM CDT | Mesoscale Discussion | SPC | Bennett, Butte, Custer, Fall River, Haakon, Jackson and 6 more | 2 hr |
| Aug 12, 2:06 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Butte, Custer, Fall River, Haakon, Harding and 7 more | 7 hr |
| Aug 12, 3:26 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 49 min |
| Aug 12, 4:14 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River, Pennington | 46 min |
| Aug 12, 4:40 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 27 min |
| Aug 12, 4:57 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River | 33 min |
| Aug 12, 5:05 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 40 min |
| Aug 12, 5:27 PM CDT | Special Weather Statement | ABR | McPherson | 33 min |
| Aug 12, 5:27 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River, Oglala Lakota | 33 min |
| Aug 12, 5:34 PM CDT | Mesoscale Discussion | SPC | Custer, Fall River, Oglala Lakota | 116 min |
| Aug 12, 5:39 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 15 min |
| Aug 12, 5:42 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 33 min |
| Aug 12, 5:51 PM CDT | Mesoscale Discussion | SPC | Brown, Campbell, Edmunds, Faulk, McPherson, Marshall and 1 more | 114 min |
| Aug 12, 6:03 PM CDT | Special Weather Statement | ABR | Potter | 27 min |
| Aug 12, 6:10 PM CDT | Severe Thunderstorm Warning | UNR | Fall River, Oglala Lakota | 50 min |
| Aug 12, 11:00 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 36 min |
| Aug 13, 1:07 AM CDT | Areal Flood Warning | ABR | Hyde | 12 hr |
| Aug 15, 4:18 AM CDT | Dense Fog Advisory | FSD | Aurora, Beadle, Bon Homme, Brule, Charles Mix, Clay and 12 more | 5 hr |
| Aug 15, 6:05 AM CDT | Dense Fog Advisory | ABR | Brown, Clark, Spink | 3 hr |
| Aug 16, 2:03 PM CDT | Mesoscale Discussion | SPC | Bennett, Custer, Lawrence, Oglala Lakota, Pennington | 117 min |
| Aug 16, 4:37 PM CDT | Special Weather Statement | UNR | Pennington | 23 min |
| Aug 16, 5:05 PM CDT | Special Weather Statement | UNR | Pennington | 25 min |
| Aug 16, 5:12 PM CDT | Special Weather Statement | UNR | Lawrence | 33 min |
| Aug 16, 5:32 PM CDT | Special Weather Statement | UNR | Butte | 43 min |
| Aug 16, 5:58 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 47 min |
| Aug 16, 6:02 PM CDT | Special Weather Statement | UNR | Pennington | 43 min |
| Aug 16, 6:09 PM CDT | Special Weather Statement | UNR | Bennett | 36 min |
| Aug 16, 6:21 PM CDT | Areal Flood Advisory | UNR | Pennington | 3 hr |
| Aug 16, 6:33 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding, Meade, Perkins, Ziebach | 57 min |
| Aug 16, 6:46 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 44 min |
| Aug 16, 7:29 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 46 min |
| Aug 16, 8:15 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Oglala Lakota | 45 min |
| Aug 16, 8:56 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 34 min |
| Aug 16, 9:26 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 34 min |
| Aug 16, 11:46 PM CDT | Special Weather Statement | ABR | Jones | 44 min |
| Aug 17, 1:08 AM CDT | Special Weather Statement | UNR | Bennett | 37 min |
| Aug 17, 2:03 PM CDT | Special Weather Statement | UNR | Harding | 27 min |
| Aug 17, 2:15 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 53 min |
| Aug 17, 2:58 PM CDT | Mesoscale Discussion | SPC | Brule, Buffalo, Corson, Dewey, Edmunds, Faulk and 13 more | 2 hr |
| Aug 17, 3:07 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 30 min |
| Aug 17, 3:09 PM CDT | Severe Thunderstorm Warning | UNR | Perkins, Ziebach | 51 min |
| Aug 17, 3:54 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins, Ziebach | 66 min |
| Aug 17, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Brown, Buffalo, Campbell, Corson, Custer and 24 more | 7 hr |
| Aug 17, 4:10 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 35 min |
| Aug 17, 4:25 PM CDT | Special Weather Statement | UNR | Ziebach | 35 min |
| Aug 17, 4:46 PM CDT | Special Weather Statement | UNR | Fall River | 29 min |
| Aug 17, 4:49 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Ziebach | 48 min |
| Aug 17, 4:52 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Stanley, Sully | 53 min |
| Aug 17, 4:59 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 47 min |
| Aug 17, 5:05 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 41 min |
| Aug 17, 5:32 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 43 min |
| Aug 17, 5:39 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman, Stanley, Sully | 66 min |
| Aug 17, 5:43 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Stanley | 32 min |
| Aug 17, 5:54 PM CDT | Mesoscale Discussion | SPC | Buffalo, Campbell, Corson, Dewey, Edmunds, Faulk and 16 more | 66 min |
| Aug 17, 6:03 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 27 min |
| Aug 17, 6:10 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 35 min |
| Aug 17, 6:25 PM CDT | Special Weather Statement | UNR | Harding | 35 min |
| Aug 17, 6:26 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Hyde, Sully | 49 min |
| Aug 17, 6:31 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 29 min |
| Aug 17, 6:41 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Oglala Lakota | 64 min |
| Aug 17, 6:54 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 28 min |
| Aug 17, 7:04 PM CDT | Special Weather Statement | ABR | Lyman | 41 min |
| Aug 17, 7:11 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 64 min |
| Aug 17, 7:16 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bon Homme, Brookings, Charles Mix, Clark and 21 more | 89 min |
| Aug 17, 7:29 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Oglala Lakota | 61 min |
| Aug 17, 8:10 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Todd | 65 min |
| Aug 17, 8:15 PM CDT | Special Weather Statement | UNR | Perkins | 30 min |
| Aug 17, 8:32 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 54 min |
| Aug 17, 8:49 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury, Miner, Sanborn | 26 min |
| Aug 17, 8:56 PM CDT | Special Weather Statement | UNR | Ziebach | 34 min |
| Aug 17, 9:18 PM CDT | Special Weather Statement | UNR | Todd | 27 min |
| Aug 17, 9:28 PM CDT | Special Weather Statement | UNR | Perkins | 32 min |
| Aug 17, 10:03 PM CDT | Special Weather Statement | UNR | Perkins | 27 min |
| Aug 17, 10:43 PM CDT | Special Weather Statement | UNR | Ziebach | 47 min |
| Aug 17, 11:07 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 38 min |
| Aug 17, 11:40 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Douglas | 38 min |
| Aug 17, 11:54 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Douglas, Hutchinson | 22 min |
| Aug 18, 12:01 AM CDT | Special Weather Statement | ABR | Buffalo | 29 min |
| Aug 18, 12:27 AM CDT | Special Weather Statement | ABR | Buffalo | 33 min |
| Aug 18, 12:57 AM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Jerauld | 33 min |
| Aug 18, 1:29 AM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Davison, Jerauld | 31 min |
| Aug 18, 2:20 AM CDT | Severe Thunderstorm Warning | ABR | Lyman | 27 min |
| Aug 18, 2:24 AM CDT | Severe Thunderstorm Warning | FSD | Brule, Charles Mix, Gregory | 32 min |
| Aug 18, 2:47 PM CDT | Mesoscale Discussion | SPC | Minnehaha, Moody | 118 min |
| Aug 18, 8:03 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade | 32 min |
| Aug 18, 8:18 PM CDT | Special Weather Statement | UNR | Butte | 27 min |
| Aug 18, 8:34 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade, Pennington | 32 min |
| Aug 18, 8:45 PM CDT | Special Weather Statement | UNR | Meade | 30 min |
| Aug 18, 8:54 PM CDT | Mesoscale Discussion | SPC | Jackson, Oglala Lakota, Pennington | 96 min |
| Aug 18, 9:05 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 32 min |
| Aug 18, 9:11 PM CDT | Special Weather Statement | UNR | Meade | 34 min |
| Aug 18, 9:23 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins | 52 min |
| Aug 18, 10:51 PM CDT | Special Weather Statement | ABR | Dewey | 54 min |
| Aug 18, 11:02 PM CDT | Special Weather Statement | ABR | Jones, Stanley | 58 min |
| Aug 18, 11:06 PM CDT | Special Weather Statement | UNR | Jackson | 24 min |
| Aug 18, 11:44 PM CDT | Special Weather Statement | UNR | Jackson | 31 min |
| Aug 19, 12:00 AM CDT | Special Weather Statement | ABR | Jones, Stanley | 45 min |
| Aug 19, 12:05 AM CDT | Special Weather Statement | UNR | Mellette | 25 min |
| Aug 19, 12:25 AM CDT | Special Weather Statement | UNR | Mellette | 35 min |
| Aug 19, 12:58 AM CDT | Special Weather Statement | UNR | Mellette | 47 min |
| Aug 19, 1:49 AM CDT | Special Weather Statement | UNR | Tripp | 41 min |
| Aug 19, 1:55 AM CDT | Special Weather Statement | ABR | Lyman | 65 min |
| Aug 19, 2:14 AM CDT | Severe Thunderstorm Warning | UNR | Todd, Tripp | 61 min |
| Aug 19, 6:49 AM CDT | Special Weather Statement | UNR | Tripp | 26 min |
| Aug 20, 2:21 AM CDT | Dense Fog Advisory | FSD | Bon Homme, Clay, Union, Yankton | 7 hr |
| Aug 20, 2:49 PM CDT | Mesoscale Discussion | SPC | Charles Mix | 116 min |
| Aug 20, 5:31 PM CDT | Mesoscale Discussion | SPC | Minnehaha, Moody | 119 min |
| Aug 20, 6:41 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Hutchinson, Turner, Yankton | 49 min |
| Aug 20, 6:43 PM CDT | Severe Thunderstorm Warning | FSD | McCook, Minnehaha | 47 min |
| Aug 20, 6:56 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, McCook, Minnehaha, Turner | 49 min |
| Aug 20, 7:09 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 21 min |
| Aug 20, 7:13 PM CDT | Mesoscale Discussion | SPC | Bon Homme, Clay, Lincoln, Minnehaha, Turner, Union and 1 more | 62 min |
| Aug 20, 7:30 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, Turner, Yankton | 45 min |
| Aug 20, 7:44 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, McCook, Minnehaha, Turner | 46 min |
| Aug 20, 8:14 PM CDT | Flash Flood Warning | FSD | Lincoln, Turner | 96 min |
| Aug 20, 8:41 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Union | 15 min |
| Aug 21, 7:31 AM CDT | Special Weather Statement | UNR | Oglala Lakota | 29 min |
| Aug 21, 3:24 PM CDT | Special Weather Statement | UNR | Custer | 36 min |
| Aug 21, 3:53 PM CDT | Special Weather Statement | UNR | Custer | 52 min |
| Aug 21, 4:13 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River | 62 min |
| Aug 21, 4:38 PM CDT | Mesoscale Discussion | SPC | Bennett, Custer, Fall River, Oglala Lakota | 3 hr |
| Aug 21, 5:03 PM CDT | Severe Thunderstorm Warning | UNR | Fall River, Oglala Lakota | 57 min |
| Aug 21, 5:41 PM CDT | Severe Thunderstorm Warning | UNR | Fall River, Oglala Lakota | 22 min |
| Aug 22, 12:12 AM CDT | Special Weather Statement | UNR | Todd | 33 min |
| Aug 22, 12:20 AM CDT | Special Weather Statement | LBF | Todd | 40 min |
| Aug 23, 7:35 AM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Mellette, Todd | 45 min |
| Aug 23, 8:20 AM CDT | Special Weather Statement | UNR | Todd | 25 min |
| Aug 23, 2:20 PM CDT | Special Weather Statement | UNR | Lawrence | 25 min |
| Aug 23, 2:21 PM CDT | Special Weather Statement | UNR | Lawrence | 24 min |
| Aug 23, 2:24 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Fall River, Harding, Lawrence, Meade and 2 more | 2 hr |
| Aug 23, 2:36 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Pennington | 54 min |
| Aug 23, 2:49 PM CDT | Special Weather Statement | UNR | Lawrence | 56 min |
| Aug 23, 3:20 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 32 min |
| Aug 23, 3:40 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Butte, Custer, Fall River, Haakon, Harding and 6 more | 7 hr |
| Aug 23, 3:56 PM CDT | Special Weather Statement | UNR | Custer | 34 min |
| Aug 23, 4:06 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 54 min |
| Aug 23, 4:57 PM CDT | Special Weather Statement | UNR | Custer | 33 min |
| Aug 23, 5:20 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River, Oglala Lakota | 18 min |
| Aug 23, 6:08 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 37 min |
| Aug 23, 6:20 PM CDT | Special Weather Statement | UNR | Butte | 40 min |
| Aug 23, 6:40 PM CDT | Special Weather Statement | UNR | Bennett | 65 min |
| Aug 23, 6:41 PM CDT | Special Weather Statement | UNR | Butte | 49 min |
| Aug 23, 7:00 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 45 min |
| Aug 23, 7:39 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 66 min |
| Aug 23, 8:01 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 44 min |
| Aug 23, 8:13 PM CDT | Mesoscale Discussion | SPC | Harding, Meade, Perkins | 92 min |
| Aug 23, 8:19 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 41 min |
| Aug 23, 8:43 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 36 min |
| Aug 23, 8:45 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 45 min |
| Aug 23, 8:57 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 48 min |
| Aug 23, 9:09 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 34 min |
| Aug 23, 9:24 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 51 min |
| Aug 23, 9:41 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins | 49 min |
| Aug 23, 9:45 PM CDT | Special Weather Statement | UNR | Harding | 30 min |
| Aug 23, 10:05 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding, Perkins | 25 min |
| Aug 23, 11:31 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Gregory | 44 min |
| Aug 24, 2:40 PM CDT | Mesoscale Discussion | SPC | Bennett, Jackson, Mellette, Todd | 3 hr |
| Aug 24, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Jackson, Mellette, Todd, Tripp | 9 hr |
| Aug 24, 4:51 PM CDT | Special Weather Statement | UNR | Ziebach | 39 min |
| Aug 24, 4:59 PM CDT | Mesoscale Discussion | SPC | Campbell, Corson, Dewey, Hughes, Jones, Potter and 3 more | 91 min |
| Aug 24, 5:07 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Ziebach | 53 min |
| Aug 24, 5:10 PM CDT | Special Weather Statement | UNR | Haakon | 35 min |
| Aug 24, 5:41 PM CDT | Severe Thunderstorm Warning | ABR | Stanley | 29 min |
| Aug 24, 5:41 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Buffalo, Campbell, Corson, Day, Dewey and 14 more | 5 hr |
| Aug 24, 5:53 PM CDT | Special Weather Statement | ABR | Dewey | 22 min |
| Aug 24, 5:57 PM CDT | Special Weather Statement | UNR | Pennington | 33 min |
| Aug 24, 6:15 PM CDT | Special Weather Statement | ABR | Dewey | 30 min |
| Aug 24, 6:36 PM CDT | Mesoscale Discussion | SPC | Bennett, Mellette, Todd | 84 min |
| Aug 24, 6:46 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Stanley | 59 min |
| Aug 24, 6:48 PM CDT | Special Weather Statement | UNR | Bennett | 27 min |
| Aug 24, 6:59 PM CDT | Special Weather Statement | UNR | Haakon | 31 min |
| Aug 24, 7:02 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter, Walworth | 35 min |
| Aug 24, 7:07 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 38 min |
| Aug 24, 7:24 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 39 min |
| Aug 24, 7:31 PM CDT | Special Weather Statement | UNR | Jones | 29 min |
| Aug 24, 7:33 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Walworth | 42 min |
| Aug 24, 7:40 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Stanley | 42 min |
| Aug 24, 7:44 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Walworth | 61 min |
| Aug 24, 7:58 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Mellette, Todd | 45 min |
| Aug 24, 8:21 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 32 min |
| Aug 24, 8:39 PM CDT | Special Weather Statement | LBF | Bennett | 51 min |
| Aug 24, 8:49 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 29 min |
| Aug 24, 8:53 PM CDT | Special Weather Statement | UNR | Jones | 37 min |
| Aug 24, 9:16 PM CDT | Mesoscale Discussion | SPC | Brown, Day, Edmunds, Faulk, McPherson, Marshall and 2 more | 89 min |
| Aug 24, 9:39 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 66 min |
| Aug 24, 9:44 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 33 min |
| Aug 24, 10:00 PM CDT | Special Weather Statement | UNR | Mellette | 30 min |
| Aug 24, 10:12 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 63 min |
| Aug 24, 10:16 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 29 min |
| Aug 24, 10:46 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Day, Marshall | 29 min |
| Aug 24, 10:51 PM CDT | Areal Flood Warning | ABR | Jones | 3 hr |
| Aug 24, 10:53 PM CDT | Severe Thunderstorm Warning | ABR | Brown | 32 min |
| Aug 24, 11:03 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, McPherson | 42 min |
| Aug 24, 11:09 PM CDT | Special Weather Statement | UNR | Mellette, Todd | 51 min |
| Aug 24, 11:23 PM CDT | Special Weather Statement | ABR | Marshall | 37 min |
| Aug 24, 11:36 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds, McPherson | 39 min |
| Aug 24, 11:48 PM CDT | Special Weather Statement | UNR | Fall River | 27 min |
| Aug 24, 11:49 PM CDT | Mesoscale Discussion | SPC | Brown, Day, Marshall, Roberts | 86 min |
| Aug 25, 12:09 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds, Faulk, Spink | 31 min |
| Aug 25, 12:13 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds, Spink | 37 min |
| Aug 25, 12:30 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Day, Spink | 20 min |
| Aug 25, 1:06 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Spink | 14 min |
| Aug 25, 2:32 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Hamlin | 29 min |
| Aug 25, 2:41 AM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 49 min |
| Aug 25, 3:23 AM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury, Lake, Moody | 52 min |
| Aug 27, 1:43 PM CDT | Mesoscale Discussion | SPC | Bennett, Custer, Fall River, Oglala Lakota, Pennington | 2 hr |
| Aug 27, 1:44 PM CDT | Special Weather Statement | UNR | Custer | 31 min |
| Aug 27, 2:47 PM CDT | Special Weather Statement | UNR | Custer | 28 min |
| Aug 27, 3:04 PM CDT | Special Weather Statement | UNR | Lawrence | 26 min |
| Aug 27, 3:10 PM CDT | Special Weather Statement | UNR | Fall River | 35 min |
| Aug 27, 3:12 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Custer, Fall River, Jackson, Mellette, Oglala Lakota and 1 more | 9 hr |
| Aug 27, 3:34 PM CDT | Special Weather Statement | UNR | Bennett | 26 min |
| Aug 27, 3:44 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 41 min |
| Aug 27, 3:48 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 42 min |
| Aug 27, 4:02 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 58 min |
| Aug 27, 4:06 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 24 min |
| Aug 27, 4:09 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 34 min |
| Aug 27, 4:21 PM CDT | Severe Thunderstorm Warning | UNR | Fall River, Oglala Lakota | 39 min |
| Aug 27, 4:51 PM CDT | Special Weather Statement | UNR | Jackson | 24 min |
| Aug 27, 4:58 PM CDT | Special Weather Statement | UNR | Fall River | 32 min |
| Aug 27, 5:01 PM CDT | Special Weather Statement | UNR | Todd | 29 min |
| Aug 27, 5:13 PM CDT | Special Weather Statement | UNR | Mellette | 32 min |
| Aug 27, 5:16 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 27 min |
| Aug 27, 5:33 PM CDT | Mesoscale Discussion | SPC | Bennett, Todd | 57 min |
| Aug 27, 5:38 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 47 min |
| Aug 27, 5:59 PM CDT | Special Weather Statement | UNR | Todd | 31 min |
| Aug 27, 6:58 PM CDT | Special Weather Statement | UNR | Mellette | 32 min |
| Aug 28, 10:41 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brookings, Brown, Brule, Buffalo and 32 more | 3 hr |
| Aug 28, 10:44 PM CDT | Special Weather Statement | ABR | Hand | 31 min |
| Aug 28, 10:52 PM CDT | Severe Thunderstorm Warning | ABR | Hand, Spink | 53 min |
| Aug 28, 11:35 PM CDT | Severe Thunderstorm Warning | ABR | Spink | 40 min |
| Aug 28, 11:56 PM CDT | Special Weather Statement | ABR | Spink | 34 min |
| Aug 29, 12:13 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Spink | 47 min |
| Aug 29, 1:50 AM CDT | Special Weather Statement | ABR | Clark | 25 min |
| Aug 29, 2:12 AM CDT | Special Weather Statement | ABR | Hamlin | 33 min |
| Aug 29, 2:26 PM CDT | Mesoscale Discussion | SPC | Fall River | 2 hr |
| Aug 29, 4:49 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 56 min |
| Aug 29, 4:58 PM CDT | Mesoscale Discussion | SPC | Dewey, Edmunds, Faulk, Hand, Hughes, Hyde and 5 more | 2 hr |
| Aug 29, 5:24 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Potter, Walworth | 53 min |
| Aug 29, 5:38 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River, Oglala Lakota | 67 min |
| Aug 29, 6:08 PM CDT | Mesoscale Discussion | SPC | Bennett | 2 hr |
| Aug 29, 6:20 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Oglala Lakota | 55 min |
| Aug 29, 6:27 PM CDT | Areal Flood Warning | ABR | Edmunds, Walworth | 3 hr |
| Aug 29, 6:30 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Potter, Walworth | 60 min |
| Aug 29, 6:43 PM CDT | Special Weather Statement | LBF | Bennett | 47 min |
| Aug 29, 6:54 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 49 min |
| Aug 29, 7:10 PM CDT | Special Weather Statement | UNR | Bennett, Jackson | 65 min |
| Aug 29, 7:12 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 51 min |
| Aug 29, 7:16 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Hand, Hyde, Potter | 44 min |
| Aug 29, 7:38 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 34 min |
| Aug 29, 7:58 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter, Walworth | 47 min |
| Aug 29, 8:07 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Hand, Hyde | 53 min |
| Aug 29, 8:12 PM CDT | Special Weather Statement | UNR | Meade | 33 min |
| Aug 29, 8:42 PM CDT | Special Weather Statement | ABR | Potter | 33 min |
| Aug 29, 8:54 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Hand, Hyde | 51 min |
| Aug 29, 9:06 PM CDT | Severe Thunderstorm Warning | ABR | Potter, Sully | 27 min |
| Aug 29, 9:37 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 30 min |
| Aug 29, 9:49 PM CDT | Special Weather Statement | UNR | Ziebach | 26 min |
| Aug 29, 9:52 PM CDT | Special Weather Statement | ABR | Hand | 38 min |
| Aug 29, 10:03 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 57 min |
| Aug 29, 10:16 PM CDT | Special Weather Statement | UNR | Ziebach | 29 min |
| Aug 29, 10:21 PM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 54 min |
| Aug 29, 10:23 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 52 min |
| Aug 29, 10:41 PM CDT | Severe Thunderstorm Warning | ABR | Potter, Sully | 36 min |
| Aug 29, 10:56 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 19 min |
| Aug 29, 10:58 PM CDT | Mesoscale Discussion | SPC | Corson, Dewey, Faulk, Hand, Hyde, Potter and 3 more | 62 min |
| Aug 29, 11:11 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 49 min |
| Aug 29, 11:45 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter, Sully | 60 min |
| Aug 30, 12:39 AM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter, Sully | 42 min |
| Aug 30, 2:23 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds, Faulk, Spink | 39 min |
| Aug 30, 2:45 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Spink | 45 min |
| Aug 30, 3:28 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Day, Spink | 26 min |
| Aug 30, 1:33 PM CDT | Mesoscale Discussion | SPC | Harding, Perkins | 2 hr |
| Aug 30, 2:28 PM CDT | Severe Thunderstorm Watch | SPC | Butte, Harding, Lawrence, Meade, Perkins, Ziebach | 5 hr |
| Aug 30, 3:49 PM CDT | Mesoscale Discussion | SPC | Butte, Harding, Perkins | 116 min |
| Aug 30, 3:50 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 55 min |
| Aug 30, 4:38 PM CDT | Severe Thunderstorm Watch | SPC | Campbell, Corson, Dewey, Walworth | 6 hr |
| Aug 30, 4:40 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding | 50 min |
| Aug 30, 4:43 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 62 min |
| Aug 30, 4:54 PM CDT | Special Weather Statement | UNR | Butte | 36 min |
| Aug 30, 5:24 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding, Meade, Perkins, Ziebach | 38 min |
| Aug 30, 5:31 PM CDT | Special Weather Statement | UNR | Meade, Pennington | 44 min |
| Aug 30, 5:39 PM CDT | Mesoscale Discussion | SPC | Corson | 66 min |
| Aug 30, 5:42 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 54 min |
| Aug 30, 5:59 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 61 min |
| Aug 30, 6:06 PM CDT | Special Weather Statement | UNR | Perkins | 24 min |
| Aug 30, 6:10 PM CDT | Special Weather Statement | UNR | Meade, Pennington | 35 min |
| Aug 30, 6:36 PM CDT | Special Weather Statement | UNR | Ziebach | 39 min |
| Aug 30, 6:41 PM CDT | Special Weather Statement | UNR | Haakon, Oglala Lakota | 34 min |
| Aug 30, 6:55 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 65 min |
| Aug 30, 7:07 PM CDT | Special Weather Statement | ABR | Dewey | 53 min |
| Aug 30, 7:14 PM CDT | Special Weather Statement | UNR | Bennett, Haakon, Jackson, Oglala Lakota, Ziebach | 46 min |
| Aug 30, 7:40 PM CDT | Mesoscale Discussion | SPC | Brown, Campbell, Edmunds, McPherson, Marshall, Walworth | 65 min |
| Aug 30, 7:54 PM CDT | Special Weather Statement | UNR | Bennett, Mellette, Oglala Lakota, Todd | 66 min |
| Aug 30, 7:56 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson, Dewey, Walworth | 49 min |
| Aug 30, 8:42 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Edmunds, McPherson, Walworth | 23 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 | 213 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 14 |
| Mesoscale Discussion | 48 |
| Special Weather Statement | 112 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 1 |
| Areal Flood Advisory | 1 |
| Heat | |
| Heat Advisory | 2 |
| Fire | |
| Red Flag Warning | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bennett County49
- Perkins County47
- Oglala Lakota County46
- Pennington County42
- Custer County41
- Meade County41
- Harding County38
- Ziebach County37
- Fall River County36
- Jackson County36
- Dewey County31
- Todd County31
- Campbell County29
- Walworth County29
- Haakon County28
- Mellette County28
- Jones County27
- Edmunds County27
- Corson County26
- Potter County26
- Brown County25
- Butte County24
- Stanley County23
- Lawrence County23
- McPherson County23
- Sully County20
- Spink County20
- Faulk County18
- Hand County18
- Turner County14
- Tripp County14
- Day County13
- Hyde County13
- Minnehaha County12
- Hughes County12
- Lyman County12
- Charles Mix County12
- Lincoln County11
- Yankton County11
- Kingsbury County11
26 more counties
- Marshall County11
- Lake County10
- Clark County10
- Miner County9
- Beadle County9
- Brule County9
- Buffalo County9
- Gregory County8
- Roberts County8
- McCook County8
- Brookings County8
- Moody County8
- Hutchinson County8
- Aurora County8
- Douglas County8
- Union County7
- Codington County7
- Hamlin County7
- Bon Homme County6
- Clay County6
- Sanborn County6
- Davison County6
- Hanson County6
- Grant County6
- Deuel County6
- Jerauld County6
Nearby
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.