Alert archive / South Dakota / 2025
Weather alerts in South Dakota, August 2025
478 weather alerts in August 2025, 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 2025. Tap one for its archive.
- Alerts
- 478
- Warnings
- 231
- Watches
- 14
- Advisories
- 18
- Busiest day
- August 16, 202555 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, 10:15 PM CDT | Special Weather Statement | UNR | 30 min | |
| Aug 1, 1:17 AM CDT | Special Weather Statement | UNR | Butte | 28 min |
| Aug 1, 2:41 AM CDT | Special Weather Statement | UNR | Jackson | 34 min |
| Aug 1, 3:20 AM CDT | Special Weather Statement | UNR | Jackson | 25 min |
| Aug 1, 3:37 AM CDT | Special Weather Statement | UNR | Haakon | 23 min |
| Aug 1, 4:43 AM CDT | Special Weather Statement | UNR | Jackson | 32 min |
| Aug 1, 2:13 PM CDT | Flood Watch | ABR | Corson, Dewey, Hughes, Hyde, Potter, Stanley and 2 more | 10 hr |
| Aug 1, 2:16 PM CDT | Flood Watch | UNR | Haakon, Harding, Meade, Perkins, Ziebach | 8 hr |
| Aug 1, 3:26 PM CDT | Special Weather Statement | UNR | Harding | 64 min |
| Aug 1, 3:43 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 62 min |
| Aug 1, 4:16 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding, Perkins | 59 min |
| Aug 1, 4:56 PM CDT | Severe Thunderstorm Watch | SPC | Butte, Corson, Custer, Dewey, Haakon, Jackson and 8 more | 7 hr |
| Aug 1, 5:12 PM CDT | Special Weather Statement | UNR | Perkins | 48 min |
| Aug 1, 5:15 PM CDT | Special Weather Statement | UNR | Lawrence | 30 min |
| Aug 1, 5:54 PM CDT | Special Weather Statement | UNR | Perkins | 66 min |
| Aug 1, 6:11 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins, Ziebach | 64 min |
| Aug 1, 6:19 PM CDT | Special Weather Statement | UNR | Lawrence | 26 min |
| Aug 1, 6:37 PM CDT | Mesoscale Discussion | SPC | Butte, Corson, Custer, Dewey, Haakon, Lawrence and 4 more | 83 min |
| Aug 1, 6:39 PM CDT | Special Weather Statement | ABR | Corson | 36 min |
| Aug 1, 6:47 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade, Perkins, Ziebach | 58 min |
| Aug 1, 7:26 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade | 64 min |
| Aug 1, 7:37 PM CDT | Special Weather Statement | UNR | Lawrence | 23 min |
| Aug 1, 8:05 PM CDT | Special Weather Statement | UNR | Lawrence | 40 min |
| Aug 1, 8:08 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 32 min |
| Aug 1, 8:59 PM CDT | Special Weather Statement | UNR | Haakon | 61 min |
| Aug 1, 9:48 PM CDT | Mesoscale Discussion | SPC | Butte, Dewey, Haakon, Jones, Lawrence, Meade and 2 more | 87 min |
| Aug 1, 9:51 PM CDT | Special Weather Statement | UNR | Lawrence | 39 min |
| Aug 1, 9:59 PM CDT | Special Weather Statement | ABR | Stanley | 46 min |
| Aug 1, 10:04 PM CDT | Special Weather Statement | UNR | Haakon | 26 min |
| Aug 1, 10:06 PM CDT | Special Weather Statement | UNR | Lawrence | 24 min |
| Aug 1, 10:27 PM CDT | Special Weather Statement | UNR | Lawrence | 33 min |
| Aug 1, 10:33 PM CDT | Special Weather Statement | UNR | Lawrence | 27 min |
| Aug 1, 10:35 PM CDT | Special Weather Statement | UNR | Lawrence | 25 min |
| Aug 1, 11:05 PM CDT | Special Weather Statement | UNR | Lawrence | 25 min |
| Aug 1, 11:26 PM CDT | Special Weather Statement | UNR | Lawrence | 34 min |
| Aug 2, 12:04 AM CDT | Special Weather Statement | UNR | Haakon | 26 min |
| Aug 2, 12:54 AM CDT | Special Weather Statement | UNR | Haakon | 36 min |
| Aug 2, 12:55 AM CDT | Special Weather Statement | UNR | Meade | 35 min |
| Aug 2, 4:30 AM CDT | Special Weather Statement | UNR | Mellette | 30 min |
| Aug 2, 8:46 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 29 min |
| Aug 2, 11:13 PM CDT | Areal Flood Warning | ABR | Faulk, Hand, Spink | 12 hr |
| Aug 3, 12:38 AM CDT | Flash Flood Warning | FSD | Beadle | 3 hr |
| Aug 3, 3:07 AM CDT | Flash Flood Warning | FSD | Beadle | 4 hr |
| Aug 3, 6:55 AM CDT | Areal Flood Warning | FSD | Beadle | 12 hr |
| Aug 3, 12:32 PM CDT | Special Weather Statement | UNR | Custer | 28 min |
| Aug 3, 1:10 PM CDT | Special Weather Statement | UNR | Custer | 35 min |
| Aug 3, 1:41 PM CDT | Special Weather Statement | UNR | Lawrence | 34 min |
| Aug 3, 2:19 PM CDT | Special Weather Statement | UNR | Custer | 26 min |
| Aug 3, 3:17 PM CDT | Special Weather Statement | UNR | Lawrence | 28 min |
| Aug 3, 4:15 PM CDT | Special Weather Statement | UNR | Fall River | 30 min |
| Aug 3, 4:29 PM CDT | Severe Thunderstorm Warning | FSD | Douglas, Hutchinson | 25 min |
| Aug 3, 4:44 PM CDT | Mesoscale Discussion | SPC | Charles Mix, Gregory | 2 hr |
| Aug 3, 4:53 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 38 min |
| Aug 3, 5:29 PM CDT | Special Weather Statement | UNR | Fall River | 31 min |
| Aug 3, 5:42 PM CDT | Special Weather Statement | CYS | Fall River | 33 min |
| Aug 3, 6:21 PM CDT | Special Weather Statement | ABR | Faulk | 24 min |
| Aug 3, 7:33 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 27 min |
| Aug 3, 7:53 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 37 min |
| Aug 3, 7:54 PM CDT | Special Weather Statement | ABR | Lyman | 36 min |
| Aug 3, 8:02 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 26 min |
| Aug 3, 8:39 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman | 36 min |
| Aug 3, 8:56 PM CDT | Flash Flood Warning | ABR | Lyman | 3 hr |
| Aug 3, 11:49 PM CDT | Areal Flood Warning | ABR | Lyman | 10 hr |
| Aug 4, 3:05 AM CDT | Special Weather Statement | UNR | Lawrence | 25 min |
| Aug 4, 3:38 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Fall River, Lawrence, Oglala Lakota, Pennington | 97 min |
| Aug 4, 5:54 PM CDT | Special Weather Statement | CYS | Fall River | 51 min |
| Aug 4, 5:57 PM CDT | Special Weather Statement | UNR | Jackson | 33 min |
| Aug 4, 6:01 PM CDT | Special Weather Statement | UNR | Fall River | 29 min |
| Aug 4, 6:09 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 37 min |
| Aug 4, 6:37 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 38 min |
| Aug 4, 6:57 PM CDT | Areal Flood Warning | ABR | Roberts | 3 hr |
| Aug 4, 7:04 PM CDT | Special Weather Statement | UNR | Bennett | 26 min |
| Aug 4, 7:08 PM CDT | Special Weather Statement | UNR | Fall River | 37 min |
| Aug 4, 7:19 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River, Oglala Lakota | 41 min |
| Aug 4, 7:51 PM CDT | Severe Thunderstorm Warning | UNR | Oglala Lakota | 24 min |
| Aug 4, 8:13 PM CDT | Severe Thunderstorm Warning | UNR | Oglala Lakota, Pennington | 47 min |
| Aug 4, 8:28 PM CDT | Special Weather Statement | ABR | Corson | 32 min |
| Aug 4, 8:45 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 31 min |
| Aug 5, 1:02 AM CDT | Special Weather Statement | UNR | Custer | 28 min |
| Aug 5, 2:38 AM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence | 21 min |
| Aug 5, 2:58 AM CDT | Mesoscale Discussion | SPC | Bennett, Butte, Custer, Fall River, Haakon, Harding and 6 more | 92 min |
| Aug 5, 3:22 AM CDT | Special Weather Statement | UNR | Pennington | 23 min |
| Aug 5, 4:08 AM CDT | Special Weather Statement | UNR | Pennington | 37 min |
| Aug 5, 4:50 AM CDT | Special Weather Statement | UNR | Pennington | 25 min |
| Aug 5, 4:58 AM CDT | Special Weather Statement | UNR | Harding | 32 min |
| Aug 5, 5:36 AM CDT | Special Weather Statement | UNR | Harding | 24 min |
| Aug 5, 5:43 AM CDT | Special Weather Statement | UNR | Haakon | 32 min |
| Aug 5, 6:06 AM CDT | Special Weather Statement | UNR | Harding | 24 min |
| Aug 5, 6:14 AM CDT | Special Weather Statement | UNR | Butte | 31 min |
| Aug 5, 6:28 AM CDT | Special Weather Statement | UNR | Perkins | 32 min |
| Aug 5, 6:50 AM CDT | Special Weather Statement | UNR | Harding | 25 min |
| Aug 5, 6:55 AM CDT | Special Weather Statement | UNR | Jackson | 35 min |
| Aug 5, 8:53 AM CDT | Special Weather Statement | ABR | Corson | 52 min |
| Aug 5, 9:24 AM CDT | Special Weather Statement | ABR | Campbell | 51 min |
| Aug 5, 10:40 AM CDT | Special Weather Statement | ABR | Campbell | 35 min |
| Aug 5, 2:40 PM CDT | Mesoscale Discussion | SPC | Campbell, Corson, McPherson, Walworth | 2 hr |
| Aug 5, 4:03 PM CDT | Tornado Watch | SPC | Brown, Campbell, Clark, Codington, Corson, Day and 18 more | 8 hr |
| Aug 5, 5:21 PM CDT | Mesoscale Discussion | SPC | Custer, Fall River, Lawrence, Oglala Lakota, Pennington | 114 min |
| Aug 5, 5:57 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River | 48 min |
| Aug 5, 6:10 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 50 min |
| Aug 5, 6:41 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River | 31 min |
| Aug 5, 6:48 PM CDT | Severe Thunderstorm Warning | ABR | Brown, McPherson | 26 min |
| Aug 5, 6:50 PM CDT | Special Weather Statement | UNR | Custer | 25 min |
| Aug 5, 6:55 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 65 min |
| Aug 5, 7:13 PM CDT | Severe Thunderstorm Warning | ABR | McPherson | 62 min |
| Aug 5, 7:26 PM CDT | Severe Thunderstorm Warning | ABR | Day, Marshall | 49 min |
| Aug 5, 7:37 PM CDT | Tornado Warning | ABR | McPherson | 23 min |
| Aug 5, 7:41 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Walworth | 49 min |
| Aug 5, 7:43 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, McPherson | 47 min |
| Aug 5, 7:56 PM CDT | Tornado Warning | ABR | McPherson | 34 min |
| Aug 5, 7:57 PM CDT | Tornado Warning | ABR | Marshall, Roberts | 33 min |
| Aug 5, 8:00 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bon Homme, Brown, Brule, Buffalo and 29 more | 2 hr |
| Aug 5, 8:02 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Day, Grant | 43 min |
| Aug 5, 8:14 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds, McPherson | 46 min |
| Aug 5, 8:22 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Faulk, Potter, Walworth | 38 min |
| Aug 5, 8:45 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds | 45 min |
| Aug 5, 8:46 PM CDT | Special Weather Statement | ABR | Hughes | 29 min |
| Aug 5, 8:57 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Faulk, Potter, Walworth | 48 min |
| Aug 5, 9:03 PM CDT | Severe Thunderstorm Warning | ABR | Marshall, Roberts | 27 min |
| Aug 5, 9:04 PM CDT | Flash Flood Warning | ABR | Marshall | 4 hr |
| Aug 5, 9:21 PM CDT | Special Weather Statement | ABR | Grant | 24 min |
| Aug 5, 9:21 PM CDT | Special Weather Statement | ABR | Brown, Day | 54 min |
| Aug 5, 9:30 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury | 45 min |
| Aug 5, 9:38 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Day | 32 min |
| Aug 5, 9:41 PM CDT | Areal Flood Warning | ABR | Edmunds, Walworth | 9 hr |
| Aug 5, 9:45 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Faulk, Potter | 60 min |
| Aug 5, 10:08 PM CDT | Special Weather Statement | ABR | Day | 37 min |
| Aug 5, 10:17 PM CDT | Special Weather Statement | ABR | Deuel | 28 min |
| Aug 5, 10:41 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Hyde, Potter, Sully | 35 min |
| Aug 5, 10:53 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Moody | 52 min |
| Aug 5, 10:54 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Deuel, Hamlin | 51 min |
| Aug 5, 11:03 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Deuel, Grant | 57 min |
| Aug 5, 11:06 PM CDT | Flash Flood Warning | ABR | Codington | 3 hr |
| Aug 5, 11:09 PM CDT | Flash Flood Warning | ABR | Grant, Roberts | 3 hr |
| Aug 5, 11:20 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Deuel, Hamlin | 40 min |
| Aug 5, 11:20 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury | 40 min |
| Aug 5, 11:21 PM CDT | Special Weather Statement | ABR | Hand | 54 min |
| Aug 5, 11:22 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Moody | 38 min |
| Aug 5, 11:25 PM CDT | Special Weather Statement | ABR | Spink | 35 min |
| Aug 5, 11:33 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bon Homme, Brookings, Brule, Buffalo and 24 more | 117 min |
| Aug 5, 11:34 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Hand, Spink | 56 min |
| Aug 5, 11:40 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury, Miner, Sanborn | 50 min |
| Aug 5, 11:59 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury, Lake, Moody | 46 min |
| Aug 6, 12:30 AM CDT | Flash Flood Warning | FSD | Brookings, Kingsbury, Lake, Moody | 3 hr |
| Aug 6, 12:45 AM CDT | Areal Flood Warning | ABR | Marshall | 9 hr |
| Aug 6, 2:19 AM CDT | Areal Flood Warning | ABR | Codington | 32 hr |
| Aug 6, 2:21 AM CDT | Areal Flood Warning | ABR | Grant, Roberts | 10 hr |
| Aug 6, 6:51 AM CDT | River Flood Warning | ABR | Codington | 36 hr |
| Aug 6, 10:42 AM CDT | River Flood Warning | FSD | Beadle | 46 hr |
| Aug 6, 11:05 AM CDT | River Flood Warning | ABR | Codington | 29 hr |
| Aug 6, 11:18 AM CDT | Severe Thunderstorm Warning | FSD | Aurora, Douglas | 42 min |
| Aug 6, 12:39 PM CDT | River Flood Warning | ABR | Codington | 25 hr |
| Aug 6, 1:21 PM CDT | River Flood Warning | ABR | Codington | 10 hr |
| Aug 6, 1:26 PM CDT | River Flood Warning | ABR | Hamlin | 4 days |
| Aug 6, 3:02 PM CDT | Fire Weather Watch | UNR | Custer, Fall River | 12 hr |
| Aug 6, 5:25 PM CDT | Mesoscale Discussion | SPC | Butte, Lawrence, Meade | 95 min |
| Aug 6, 6:38 PM CDT | River Flood Warning | FSD | Brookings, Hamlin | 21 days |
| Aug 6, 8:13 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence | 47 min |
| Aug 7, 1:18 AM CDT | River Flood Warning | ABR | Grant | 40 hr |
| Aug 7, 1:55 AM CDT | Heat Advisory | ABR | Buffalo, Dewey, Hughes, Jones, Lyman, Stanley and 1 more | 18 hr |
| Aug 7, 2:02 AM CDT | Heat Advisory | UNR | Haakon, Jackson, Mellette, Todd, Tripp, Ziebach | 18 hr |
| Aug 7, 2:48 AM CDT | Heat Advisory | FSD | Aurora, Bon Homme, Brule, Charles Mix, Clay, Davison and 9 more | 17 hr |
| Aug 7, 3:11 AM CDT | Red Flag Warning | UNR | Custer, Fall River | 18 hr |
| Aug 7, 6:54 AM CDT | Dense Fog Advisory | FSD | Aurora, Brule, Charles Mix, Davison, Douglas, Gregory and 1 more | 3 hr |
| Aug 7, 7:02 AM CDT | Dense Fog Advisory | ABR | Buffalo, Campbell, Dewey, Edmunds, Faulk, Hand and 9 more | 3 hr |
| Aug 7, 7:09 AM CDT | River Flood Warning | FSD | Brookings | 4 days |
| Aug 7, 12:43 PM CDT | River Flood Warning | ABR | Codington | 18 hr |
| Aug 7, 2:15 PM CDT | Heat Advisory | FSD | Bon Homme, Clay, Hanson, Hutchinson, Lincoln, McCook and 4 more | 30 hr |
| Aug 7, 4:19 PM CDT | Special Weather Statement | LBF | Bennett | 41 min |
| Aug 7, 5:15 PM CDT | Mesoscale Discussion | SPC | Bennett, Haakon, Hughes, Jackson, Jones, Lyman and 5 more | 2 hr |
| Aug 8, 12:03 AM CDT | Special Weather Statement | UNR | Perkins | 57 min |
| Aug 8, 12:53 AM CDT | Special Weather Statement | UNR | Perkins, Ziebach | 52 min |
| Aug 8, 1:18 AM CDT | Special Weather Statement | ABR | Corson | 72 min |
| Aug 8, 2:24 AM CDT | Special Weather Statement | ABR | Campbell, McPherson, Walworth | 66 min |
| Aug 8, 2:42 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson, Dewey, Edmunds, McPherson, Potter and 1 more | 63 min |
| Aug 8, 3:29 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds, Faulk, Hand, Hyde, McPherson and 5 more | 46 min |
| Aug 8, 4:01 AM CDT | Severe Thunderstorm Warning | ABR | Faulk, Hand, Hughes, Hyde, Sully | 28 min |
| Aug 8, 4:19 AM CDT | Special Weather Statement | ABR | Day, Faulk, Marshall, Spink | 26 min |
| Aug 8, 4:59 AM CDT | Special Weather Statement | UNR | Perkins | 61 min |
| Aug 8, 5:07 AM CDT | Special Weather Statement | ABR | Clark, Codington, Grant, Spink | 23 min |
| Aug 8, 8:39 PM CDT | Mesoscale Discussion | SPC | Brookings, Deuel, Minnehaha, Moody | 2 hr |
| Aug 8, 9:34 PM CDT | Severe Thunderstorm Watch | SPC | Brookings, Deuel, Grant, Lincoln, Minnehaha, Moody | 8 hr |
| Aug 8, 11:25 PM CDT | Mesoscale Discussion | SPC | Brookings, Deuel, Lake, McCook, Minnehaha, Moody and 1 more | 2 hr |
| Aug 9, 4:52 PM CDT | Special Weather Statement | UNR | Bennett | 23 min |
| Aug 9, 5:18 PM CDT | Special Weather Statement | UNR | Todd | 27 min |
| Aug 10, 2:36 PM CDT | Special Weather Statement | UNR | Custer | 24 min |
| Aug 10, 3:11 PM CDT | Special Weather Statement | UNR | Custer | 34 min |
| Aug 10, 3:19 PM CDT | Special Weather Statement | UNR | Pennington | 26 min |
| Aug 10, 3:28 PM CDT | Special Weather Statement | UNR | Lawrence | 32 min |
| Aug 10, 3:47 PM CDT | River Flood Warning | ABR | Brown | 43 days |
| Aug 10, 3:50 PM CDT | Special Weather Statement | UNR | Custer | 25 min |
| Aug 10, 4:56 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 17 min |
| Aug 10, 5:29 PM CDT | Special Weather Statement | UNR | Lawrence | 31 min |
| Aug 11, 4:38 PM CDT | Mesoscale Discussion | SPC | Marshall | 2 hr |
| Aug 11, 7:56 PM CDT | Special Weather Statement | ABR | Hamlin | 34 min |
| Aug 11, 8:14 PM CDT | Special Weather Statement | ABR | Roberts | 16 min |
| Aug 11, 8:19 PM CDT | Special Weather Statement | ABR | Deuel | 26 min |
| Aug 11, 8:26 PM CDT | Special Weather Statement | ABR | Roberts | 34 min |
| Aug 11, 8:37 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 23 min |
| Aug 11, 9:05 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury | 40 min |
| Aug 11, 9:14 PM CDT | Special Weather Statement | ABR | Hamlin | 16 min |
| Aug 13, 9:11 AM CDT | Special Weather Statement | ABR | Walworth | 34 min |
| Aug 13, 9:42 AM CDT | Special Weather Statement | ABR | Walworth | 33 min |
| Aug 13, 3:11 PM CDT | Mesoscale Discussion | SPC | Bennett, Butte, Custer, Fall River, Haakon, Jackson and 9 more | 94 min |
| Aug 13, 3:48 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Bon Homme, Brule, Butte, Charles Mix, Custer and 17 more | 9 hr |
| Aug 13, 4:43 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence, Meade, Pennington | 62 min |
| Aug 13, 5:09 PM CDT | Special Weather Statement | UNR | Custer | 36 min |
| Aug 13, 5:10 PM CDT | Special Weather Statement | UNR | Butte | 35 min |
| Aug 13, 5:17 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River | 58 min |
| Aug 13, 5:21 PM CDT | Mesoscale Discussion | SPC | Aurora, Bennett, Brule, Buffalo, Butte, Charles Mix and 15 more | 114 min |
| Aug 13, 5:26 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 64 min |
| Aug 13, 5:42 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Day | 48 min |
| Aug 13, 5:48 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 57 min |
| Aug 13, 5:52 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade, Perkins | 38 min |
| Aug 13, 6:10 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River, Oglala Lakota, Pennington | 65 min |
| Aug 13, 6:25 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 65 min |
| Aug 13, 6:30 PM CDT | Severe Thunderstorm Warning | ABR | Day | 16 min |
| Aug 13, 6:30 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins | 32 min |
| Aug 13, 6:40 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 39 min |
| Aug 13, 6:51 PM CDT | Mesoscale Discussion | SPC | Brown, Clark, Codington, Day, Deuel, Grant and 3 more | 114 min |
| Aug 13, 6:58 PM CDT | Severe Thunderstorm Warning | UNR | Oglala Lakota | 51 min |
| Aug 13, 7:10 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Oglala Lakota, Pennington, Ziebach | 80 min |
| Aug 13, 7:24 PM CDT | Special Weather Statement | UNR | Perkins | 36 min |
| Aug 13, 7:32 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson | 73 min |
| Aug 13, 7:33 PM CDT | Mesoscale Discussion | SPC | Bennett, Brule, Buffalo, Gregory, Haakon, Hand and 12 more | 117 min |
| Aug 13, 7:45 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Jones, Lyman, Stanley, Sully | 60 min |
| Aug 13, 7:56 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd | 79 min |
| Aug 13, 8:44 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 46 min |
| Aug 13, 8:59 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd, Tripp | 91 min |
| Aug 13, 9:03 PM CDT | Severe Thunderstorm Warning | ABR | Day, Roberts | 18 min |
| Aug 13, 9:49 PM CDT | Mesoscale Discussion | SPC | Bon Homme, Charles Mix, Douglas, Gregory, Tripp | 116 min |
| Aug 13, 10:02 PM CDT | Areal Flood Warning | ABR | Marshall, Roberts | 12 hr |
| Aug 13, 10:11 PM CDT | Severe Thunderstorm Warning | FSD | Brule, Charles Mix, Gregory | 64 min |
| Aug 13, 10:25 PM CDT | Severe Thunderstorm Warning | ABR | Day | 25 min |
| Aug 13, 10:31 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Marshall | 30 min |
| Aug 13, 10:43 PM CDT | Severe Thunderstorm Warning | ABR | Day, Marshall | 8 min |
| Aug 13, 10:54 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Douglas, Gregory | 55 min |
| Aug 13, 10:59 PM CDT | Areal Flood Warning | ABR | Day | 35 hr |
| Aug 13, 11:03 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 42 min |
| Aug 13, 11:23 PM CDT | Areal Flood Warning | ABR | Marshall | 10 hr |
| Aug 13, 11:45 PM CDT | Severe Thunderstorm Warning | ABR | Marshall | 10 min |
| Aug 14, 12:38 AM CDT | Areal Flood Warning | ABR | Brown, Day, Marshall | 36 hr |
| Aug 14, 12:45 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Day, Marshall | 60 min |
| Aug 14, 1:45 AM CDT | Severe Thunderstorm Warning | ABR | Codington, Day, Grant, Marshall, Roberts | 75 min |
| Aug 14, 1:48 AM CDT | Heat Advisory | ABR | Buffalo, Hughes, Jones, Lyman, Stanley, Sully | 17 hr |
| Aug 14, 2:21 AM CDT | Heat Advisory | UNR | Mellette, Tripp | 17 hr |
| Aug 14, 2:54 AM CDT | Special Weather Statement | ABR | Marshall | 66 min |
| Aug 14, 3:02 AM CDT | Areal Flood Warning | ABR | Day, Marshall | 33 hr |
| Aug 14, 10:30 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 30 min |
| Aug 14, 10:59 PM CDT | Special Weather Statement | UNR | Custer | 46 min |
| Aug 14, 11:06 PM CDT | Special Weather Statement | LBF | Bennett | 24 min |
| Aug 14, 11:14 PM CDT | Special Weather Statement | UNR | Bennett | 46 min |
| Aug 15, 12:12 AM CDT | Special Weather Statement | UNR | Oglala Lakota, Pennington | 33 min |
| Aug 15, 12:36 AM CDT | Severe Thunderstorm Warning | UNR | Custer, Haakon, Jackson, Meade, Oglala Lakota, Pennington | 40 min |
| Aug 15, 1:18 AM CDT | Special Weather Statement | UNR | Haakon, Jackson, Meade, Ziebach | 42 min |
| Aug 15, 1:43 AM CDT | Special Weather Statement | ABR | Dewey, Jones, Stanley | 77 min |
| Aug 15, 1:46 AM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Meade, Mellette, Pennington, Ziebach | 59 min |
| Aug 15, 2:04 AM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey, Stanley | 71 min |
| Aug 15, 2:46 AM CDT | Special Weather Statement | ABR | Dewey | 44 min |
| Aug 15, 3:32 AM CDT | Special Weather Statement | ABR | Sully | 28 min |
| Aug 15, 3:57 AM CDT | Special Weather Statement | ABR | Potter | 48 min |
| Aug 15, 4:31 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Walworth | 44 min |
| Aug 15, 5:09 AM CDT | Special Weather Statement | ABR | McPherson | 21 min |
| Aug 15, 5:19 AM CDT | Special Weather Statement | ABR | Edmunds | 26 min |
| Aug 15, 5:28 AM CDT | Special Weather Statement | ABR | McPherson | 32 min |
| Aug 15, 5:44 AM CDT | Special Weather Statement | ABR | Brown | 46 min |
| Aug 15, 5:54 AM CDT | Special Weather Statement | ABR | Brown | 21 min |
| Aug 15, 6:03 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Marshall | 42 min |
| Aug 15, 6:05 AM CDT | Special Weather Statement | ABR | Brown | 25 min |
| Aug 15, 6:21 AM CDT | Special Weather Statement | ABR | Day | 24 min |
| Aug 15, 6:30 AM CDT | Severe Thunderstorm Warning | ABR | Brown, Day | 45 min |
| Aug 15, 6:37 AM CDT | Severe Thunderstorm Warning | ABR | Day, Marshall | 53 min |
| Aug 15, 7:01 AM CDT | Mesoscale Discussion | SPC | Day, Marshall, Roberts | 89 min |
| Aug 15, 7:22 AM CDT | Severe Thunderstorm Warning | ABR | Marshall, Roberts | 53 min |
| Aug 15, 1:59 PM CDT | Heat Advisory | FSD | Aurora, Bon Homme, Brule, Charles Mix, Clay, Davison and 10 more | 30 hr |
| Aug 15, 5:37 PM CDT | Special Weather Statement | CYS | Fall River | 23 min |
| Aug 15, 5:55 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Pennington | 50 min |
| Aug 15, 6:10 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 31 min |
| Aug 15, 7:07 PM CDT | Special Weather Statement | UNR | Custer | 38 min |
| Aug 15, 7:21 PM CDT | Mesoscale Discussion | SPC | Aurora, Bennett, Brule, Buffalo, Charles Mix, Fall River and 14 more | 114 min |
| Aug 15, 7:32 PM CDT | Special Weather Statement | UNR | Lawrence | 28 min |
| Aug 15, 7:38 PM CDT | Special Weather Statement | UNR | Lawrence | 37 min |
| Aug 15, 7:46 PM CDT | Special Weather Statement | UNR | Fall River | 29 min |
| Aug 15, 7:52 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence | 38 min |
| Aug 15, 8:16 PM CDT | Severe Thunderstorm Warning | UNR | Fall River, Oglala Lakota | 34 min |
| Aug 15, 8:32 PM CDT | Special Weather Statement | UNR | Pennington | 28 min |
| Aug 15, 8:37 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Meade, Pennington | 53 min |
| Aug 15, 8:55 PM CDT | Severe Thunderstorm Warning | UNR | Oglala Lakota | 65 min |
| Aug 15, 8:58 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Dewey, Haakon, Hughes, Jackson, Jones and 10 more | 6 hr |
| Aug 15, 9:20 PM CDT | Severe Thunderstorm Warning | UNR | Jackson, Oglala Lakota, Pennington | 55 min |
| Aug 15, 9:24 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Meade, Pennington | 66 min |
| Aug 15, 9:28 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Oglala Lakota | 62 min |
| Aug 15, 9:31 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Pennington | 44 min |
| Aug 15, 10:12 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Meade, Pennington, Ziebach | 63 min |
| Aug 15, 11:03 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Mellette | 72 min |
| Aug 15, 11:07 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Ziebach | 59 min |
| Aug 15, 11:20 PM CDT | Mesoscale Discussion | SPC | Bennett, Dewey, Haakon, Hughes, Jackson, Jones and 10 more | 85 min |
| Aug 15, 11:58 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bon Homme, Brookings, Brown, Brule and 29 more | 6 hr |
| Aug 16, 12:04 AM CDT | Special Weather Statement | ABR | Jones | 26 min |
| Aug 16, 12:13 AM CDT | Special Weather Statement | UNR | Todd | 32 min |
| Aug 16, 12:15 AM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman, Stanley | 60 min |
| Aug 16, 12:31 AM CDT | Special Weather Statement | UNR | Todd | 29 min |
| Aug 16, 12:38 AM CDT | Special Weather Statement | UNR | Bennett | 37 min |
| Aug 16, 12:41 AM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd, Tripp | 79 min |
| Aug 16, 12:55 AM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Jones, Lyman | 65 min |
| Aug 16, 1:35 AM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Charles Mix, Gregory, Jerauld | 40 min |
| Aug 16, 1:38 AM CDT | Severe Thunderstorm Warning | UNR | Todd, Tripp | 51 min |
| Aug 16, 1:51 AM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Lyman | 69 min |
| Aug 16, 2:10 AM CDT | Severe Thunderstorm Warning | FSD | Aurora, Beadle, Brule, Charles Mix, Gregory, Jerauld and 1 more | 50 min |
| Aug 16, 2:18 AM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brookings, Brule, Buffalo, Charles Mix and 19 more | 87 min |
| Aug 16, 2:25 AM CDT | Special Weather Statement | ABR | Campbell | 35 min |
| Aug 16, 2:33 AM CDT | Severe Thunderstorm Warning | ABR | Edmunds, McPherson | 44 min |
| Aug 16, 2:42 AM CDT | Special Weather Statement | ABR | Hand | 33 min |
| Aug 16, 2:43 AM CDT | Severe Thunderstorm Warning | FSD | Aurora, Beadle, Davison, Hanson, Jerauld, Kingsbury and 3 more | 47 min |
| Aug 16, 2:55 AM CDT | Areal Flood Warning | ABR | Buffalo, Lyman | 10 hr |
| Aug 16, 3:02 AM CDT | Severe Thunderstorm Warning | FSD | Beadle, Jerauld, Kingsbury, Sanborn | 43 min |
| Aug 16, 3:08 AM CDT | Severe Thunderstorm Warning | ABR | Hamlin | 67 min |
| Aug 16, 3:23 AM CDT | Severe Thunderstorm Warning | FSD | Beadle, Brookings, Hanson, Kingsbury, Lake, McCook and 4 more | 52 min |
| Aug 16, 3:26 AM CDT | Special Weather Statement | ABR | Deuel | 34 min |
| Aug 16, 3:34 AM CDT | Severe Thunderstorm Warning | FSD | Beadle, Brookings, Kingsbury | 41 min |
| Aug 16, 3:39 AM CDT | Severe Thunderstorm Warning | ABR | Deuel | 51 min |
| Aug 16, 3:57 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Deuel, Hamlin | 48 min |
| Aug 16, 4:04 AM CDT | Severe Thunderstorm Warning | FSD | Brookings, Lake, Minnehaha, Moody | 41 min |
| Aug 16, 4:30 AM CDT | Severe Thunderstorm Warning | ABR | Codington, Day, Deuel, Grant, Roberts | 60 min |
| Aug 16, 5:01 AM CDT | Mesoscale Discussion | SPC | Deuel, Grant | 89 min |
| Aug 16, 5:14 AM CDT | Special Weather Statement | ABR | Brown | 31 min |
| Aug 16, 5:37 AM CDT | Special Weather Statement | ABR | Day | 23 min |
| Aug 16, 5:53 AM CDT | Special Weather Statement | ABR | Day | 37 min |
| Aug 16, 5:54 AM CDT | Special Weather Statement | ABR | Day | 36 min |
| Aug 16, 5:44 PM CDT | Special Weather Statement | LBF | Oglala Lakota | 16 min |
| Aug 16, 6:06 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 24 min |
| Aug 16, 6:36 PM CDT | Mesoscale Discussion | SPC | Bennett, Butte, Corson, Custer, Dewey, Haakon and 11 more | 114 min |
| Aug 16, 6:37 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 38 min |
| Aug 16, 7:37 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 23 min |
| Aug 16, 8:02 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 28 min |
| Aug 16, 9:08 PM CDT | Special Weather Statement | UNR | Pennington | 37 min |
| Aug 16, 9:49 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence | 56 min |
| Aug 16, 10:23 PM CDT | Mesoscale Discussion | SPC | Butte, Campbell, Corson, Custer, Dewey, Fall River and 15 more | 2 hr |
| Aug 16, 10:37 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding | 53 min |
| Aug 16, 10:55 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Pennington | 50 min |
| Aug 16, 10:59 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Buffalo, Butte, Campbell, Corson, Custer and 22 more | 8 hr |
| Aug 16, 11:00 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence | 30 min |
| Aug 16, 11:17 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding, Lawrence | 28 min |
| Aug 16, 11:45 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding, Perkins | 50 min |
| Aug 16, 11:45 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding, Perkins | 60 min |
| Aug 16, 11:46 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding, Perkins | 59 min |
| Aug 17, 12:23 AM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade, Perkins | 52 min |
| Aug 17, 2:12 AM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 93 min |
| Aug 17, 2:20 AM CDT | Severe Thunderstorm Warning | UNR | Perkins, Ziebach | 25 min |
| Aug 17, 2:24 AM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 66 min |
| Aug 17, 2:47 AM CDT | Mesoscale Discussion | SPC | Campbell, Corson, Dewey, Potter, Stanley, Sully and 2 more | 88 min |
| Aug 17, 3:59 AM CDT | Special Weather Statement | ABR | Campbell, Potter, Sully, Walworth | 61 min |
| Aug 17, 4:08 AM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson, Dewey, Potter, Walworth | 52 min |
| Aug 17, 5:09 AM CDT | Special Weather Statement | ABR | McPherson | 36 min |
| Aug 17, 5:20 AM CDT | Special Weather Statement | ABR | McPherson | 40 min |
| Aug 17, 5:48 AM CDT | Mesoscale Discussion | SPC | Beadle, Brown, Edmunds, Faulk, Hand, Hyde and 3 more | 87 min |
| Aug 17, 5:50 AM CDT | Special Weather Statement | ABR | McPherson | 40 min |
| Aug 17, 6:32 AM CDT | Special Weather Statement | ABR | Edmunds | 28 min |
| Aug 17, 6:36 AM CDT | River Flood Warning | FSD | Brookings, Hamlin | 11 days |
| Aug 17, 6:56 AM CDT | Special Weather Statement | ABR | Edmunds | 34 min |
| Aug 17, 7:09 AM CDT | Special Weather Statement | ABR | Brown | 21 min |
| Aug 17, 7:16 AM CDT | Severe Thunderstorm Warning | ABR | Brown | 44 min |
| Aug 17, 8:01 AM CDT | Special Weather Statement | ABR | Marshall | 14 min |
| Aug 17, 8:31 AM CDT | Special Weather Statement | ABR | Marshall | 29 min |
| Aug 17, 8:43 AM CDT | Severe Thunderstorm Warning | ABR | Day, Roberts | 47 min |
| Aug 17, 8:56 AM CDT | Severe Thunderstorm Warning | ABR | Marshall | 23 min |
| Aug 17, 9:12 AM CDT | Special Weather Statement | ABR | Roberts | 33 min |
| Aug 17, 9:44 AM CDT | Areal Flood Warning | ABR | Day | 6 hr |
| Aug 17, 1:39 PM CDT | Areal Flood Warning | ABR | Marshall | 29 hr |
| Aug 17, 2:06 PM CDT | Special Weather Statement | UNR | Custer | 39 min |
| Aug 17, 2:32 PM CDT | Special Weather Statement | UNR | Custer | 28 min |
| Aug 17, 2:36 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 24 min |
| Aug 17, 2:57 PM CDT | Mesoscale Discussion | SPC | Bennett, Custer, Fall River, Oglala Lakota | 93 min |
| Aug 17, 3:13 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River | 20 min |
| Aug 17, 3:56 PM CDT | Special Weather Statement | UNR | Lawrence | 34 min |
| Aug 17, 4:14 PM CDT | Areal Flood Warning | ABR | Deuel, Hamlin | 42 hr |
| Aug 17, 4:47 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade | 58 min |
| Aug 17, 5:32 PM CDT | Special Weather Statement | UNR | Lawrence | 28 min |
| Aug 17, 5:37 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 50 min |
| Aug 17, 7:44 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 46 min |
| Aug 17, 8:12 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 63 min |
| Aug 17, 8:45 PM CDT | Mesoscale Discussion | SPC | Bennett, Bon Homme, Charles Mix, Clay, Douglas, Gregory and 8 more | 2 hr |
| Aug 17, 8:50 PM CDT | Severe Thunderstorm Warning | UNR | Todd, Tripp | 40 min |
| Aug 17, 9:21 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 39 min |
| Aug 17, 9:37 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 23 min |
| Aug 17, 9:45 PM CDT | Special Weather Statement | UNR | Bennett | 30 min |
| Aug 17, 9:57 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 24 min |
| Aug 17, 10:02 PM CDT | Special Weather Statement | ABR | Brule | 28 min |
| Aug 17, 10:19 PM CDT | Severe Thunderstorm Warning | FSD | Brule, Charles Mix, Gregory | 41 min |
| Aug 17, 10:30 PM CDT | Special Weather Statement | ABR | Brule | 30 min |
| Aug 17, 10:41 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Bon Homme, Brule, Charles Mix, Clay, Davison and 15 more | 5 hr |
| Aug 17, 11:37 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison | 38 min |
| Aug 18, 12:11 AM CDT | Severe Thunderstorm Warning | FSD | Davison, Hanson | 49 min |
| Aug 18, 1:50 AM CDT | Mesoscale Discussion | SPC | Brookings, Clay, Kingsbury, Lake, Lincoln, McCook and 5 more | 85 min |
| Aug 18, 3:08 AM CDT | Dense Fog Advisory | ABR | Campbell, Clark, Codington, Corson, Day, Deuel and 15 more | 7 hr |
| Aug 18, 4:13 AM CDT | River Flood Warning | FSD | Brookings | 11 days |
| Aug 18, 2:35 PM CDT | Special Weather Statement | UNR | Lawrence | 25 min |
| Aug 18, 3:01 PM CDT | Special Weather Statement | UNR | Lawrence | 44 min |
| Aug 18, 3:04 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade, Pennington | 56 min |
| Aug 18, 3:15 PM CDT | Mesoscale Discussion | SPC | Custer, Haakon, Meade, Pennington, Perkins, Ziebach | 2 hr |
| Aug 18, 3:49 PM CDT | Special Weather Statement | UNR | Perkins | 26 min |
| Aug 18, 3:55 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 65 min |
| Aug 18, 4:07 PM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 53 min |
| Aug 18, 4:08 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 52 min |
| Aug 18, 4:35 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 55 min |
| Aug 18, 4:44 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 46 min |
| Aug 18, 4:46 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Corson, Custer, Dewey, Haakon, Hughes and 12 more | 4 hr |
| Aug 18, 5:01 PM CDT | Special Weather Statement | UNR | Ziebach | 29 min |
| Aug 18, 5:10 PM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 31 min |
| Aug 18, 5:13 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 34 min |
| Aug 18, 5:22 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Oglala Lakota, Pennington | 25 min |
| Aug 18, 5:31 PM CDT | Special Weather Statement | UNR | Perkins | 29 min |
| Aug 18, 5:40 PM CDT | Special Weather Statement | UNR | Ziebach | 35 min |
| Aug 18, 5:47 PM CDT | Special Weather Statement | UNR | Ziebach | 28 min |
| Aug 18, 6:11 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Stanley | 49 min |
| Aug 18, 6:19 PM CDT | Special Weather Statement | UNR | Ziebach | 26 min |
| Aug 18, 6:45 PM CDT | Special Weather Statement | UNR | Ziebach | 30 min |
| Aug 18, 7:09 PM CDT | Severe Thunderstorm Warning | ABR | Potter | 21 min |
| Aug 18, 7:13 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 27 min |
| Aug 18, 7:15 PM CDT | Special Weather Statement | UNR | Ziebach | 30 min |
| Aug 18, 7:25 PM CDT | Mesoscale Discussion | SPC | Corson, Dewey, Haakon, Hughes, Jackson, Jones and 12 more | 2 hr |
| Aug 18, 7:34 PM CDT | Special Weather Statement | UNR | Jackson | 26 min |
| Aug 18, 7:44 PM CDT | Special Weather Statement | UNR | Haakon | 31 min |
| Aug 18, 8:09 PM CDT | Special Weather Statement | UNR | Bennett | 36 min |
| Aug 19, 2:29 AM CDT | Dense Fog Advisory | FSD | Brookings, Kingsbury, Lake, Minnehaha, Moody | 7 hr |
| Aug 19, 4:51 AM CDT | Dense Fog Advisory | ABR | Codington, Deuel, Hamlin | 4 hr |
| Aug 20, 2:31 AM CDT | Heat Advisory | ABR | Corson, Dewey, Hughes, Jones, Lyman, Stanley and 1 more | 17 hr |
| Aug 20, 10:20 AM CDT | Heat Advisory | UNR | Butte, Haakon, Harding, Jackson, Meade, Mellette and 4 more | 9 hr |
| Aug 21, 2:40 AM CDT | Heat Advisory | ABR | Hughes, Jones, Lyman, Stanley | 17 hr |
| Aug 21, 3:29 PM CDT | Flood Watch | ABR | Clark, Codington, Deuel, Grant, Hamlin, Spink | 19 hr |
| Aug 21, 3:34 PM CDT | Flood Watch | FSD | Beadle, Brookings, Kingsbury | 18 hr |
| Aug 21, 5:21 PM CDT | Mesoscale Discussion | SPC | Beadle, Buffalo, Clark, Codington, Day, Deuel and 9 more | 84 min |
| Aug 21, 5:28 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 47 min |
| Aug 21, 5:36 PM CDT | Tornado Warning | ABR | Roberts | 39 min |
| Aug 21, 6:15 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 45 min |
| Aug 21, 7:07 PM CDT | Severe Thunderstorm Warning | ABR | Grant, Roberts | 53 min |
| Aug 21, 7:49 PM CDT | Severe Thunderstorm Warning | ABR | Grant, Roberts | 26 min |
| Aug 21, 8:12 PM CDT | Severe Thunderstorm Warning | ABR | Grant, Roberts | 48 min |
| Aug 21, 8:24 PM CDT | Mesoscale Discussion | SPC | Brookings, Codington, Deuel, Grant, Hamlin, Moody | 96 min |
| Aug 21, 8:58 PM CDT | Special Weather Statement | ABR | Codington, Grant | 32 min |
| Aug 21, 9:26 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 49 min |
| Aug 21, 9:30 PM CDT | Special Weather Statement | ABR | Codington | 30 min |
| Aug 21, 9:56 PM CDT | Special Weather Statement | ABR | Codington, Deuel | 49 min |
| Aug 21, 10:15 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 31 min |
| Aug 21, 10:16 PM CDT | Areal Flood Warning | ABR | Codington, Deuel, Grant | 14 hr |
| Aug 21, 10:40 PM CDT | Special Weather Statement | ABR | Deuel | 35 min |
| Aug 21, 11:38 PM CDT | Flash Flood Warning | FSD | Beadle | 6 hr |
| Aug 21, 11:57 PM CDT | Mesoscale Discussion | SPC | Beadle, Brookings, Brule, Buffalo, Butte, Clark and 25 more | 3 hr |
| Aug 22, 12:04 AM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury | 26 min |
| Aug 22, 12:05 AM CDT | Mesoscale Discussion | SPC | Beadle, Brookings, Brule, Buffalo, Butte, Clark and 25 more | 2 hr |
| Aug 22, 12:17 AM CDT | Severe Thunderstorm Warning | ABR | Hand | 38 min |
| Aug 22, 12:22 AM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury, Miner | 38 min |
| Aug 22, 12:44 AM CDT | Special Weather Statement | ABR | Hand | 46 min |
| Aug 22, 12:54 AM CDT | Severe Thunderstorm Warning | FSD | Kingsbury, Lake, Miner | 51 min |
| Aug 22, 1:46 AM CDT | Severe Thunderstorm Warning | FSD | Hanson, Lake, McCook, Miner | 44 min |
| Aug 22, 2:21 AM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook, Minnehaha, Turner | 20 min |
| Aug 22, 2:31 AM CDT | Special Weather Statement | UNR | Jackson | 29 min |
| Aug 22, 3:18 AM CDT | Special Weather Statement | ABR | Stanley | 27 min |
| Aug 22, 3:28 AM CDT | Severe Thunderstorm Warning | ABR | Hughes | 47 min |
| Aug 22, 3:51 AM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hughes, Hyde, Lyman, Stanley | 39 min |
| Aug 22, 5:00 AM CDT | River Flood Warning | ABR | Codington | 23 hr |
| Aug 22, 5:04 AM CDT | River Flood Warning | ABR | Codington | 37 hr |
| Aug 22, 5:22 AM CDT | Areal Flood Warning | FSD | Beadle | 3 hr |
| Aug 22, 9:54 AM CDT | River Flood Warning | FSD | Beadle | 43 hr |
| Aug 22, 9:56 AM CDT | River Flood Warning | ABR | Hamlin | 5 days |
| Aug 22, 10:55 AM CDT | River Flood Warning | ABR | Codington | 26 hr |
| Aug 22, 12:55 PM CDT | River Flood Warning | ABR | Codington | 44 hr |
| Aug 22, 2:31 PM CDT | Mesoscale Discussion | SPC | Union | 119 min |
| Aug 23, 7:27 AM CDT | River Flood Warning | ABR | Codington | 5 hr |
| Aug 23, 9:47 AM CDT | River Flood Warning | FSD | Sanborn | 6 days |
| Aug 25, 11:48 PM CDT | River Flood Warning | ABR | Brown, Spink | 55 days |
| Aug 27, 6:09 AM CDT | Dense Fog Advisory | ABR | Edmunds, Faulk | 3 hr |
| Aug 27, 2:18 PM CDT | Mesoscale Discussion | SPC | Brookings, Deuel, Hamlin, Moody | 2 hr |
| Aug 28, 6:22 AM CDT | Dense Fog Advisory | ABR | Brown, Buffalo, Edmunds, Faulk, Hand, Hughes and 4 more | 5 hr |
| Aug 28, 5:23 PM CDT | Special Weather Statement | UNR | 37 min | |
| Aug 29, 2:13 PM CDT | Mesoscale Discussion | SPC | Todd, Tripp | 2 hr |
| Aug 29, 4:35 PM CDT | Special Weather Statement | ABR | Stanley | 25 min |
| Aug 31, 2:35 AM CDT | Dense Fog Advisory | ABR | Brown, Clark, Codington, Day, Deuel, Edmunds and 6 more | 7 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 | 177 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 40 |
| Special Weather Statement | 175 |
| Flooding | |
| Areal Flood Warning | 19 |
| Flash Flood Warning | 8 |
| River Flood Warning | 22 |
| Flood Watch | 4 |
| Heat | |
| Heat Advisory | 10 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 8 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lawrence County48
- Pennington County48
- Haakon County40
- Custer County39
- Meade County38
- Stanley County37
- Ziebach County37
- Codington County37
- Jackson County36
- Oglala Lakota County36
- Day County35
- Butte County34
- Marshall County34
- Perkins County32
- Lyman County32
- Deuel County32
- Hughes County30
- Fall River County30
- Jones County28
- Brown County28
- Dewey County27
- Edmunds County27
- Sully County26
- Beadle County26
- Roberts County26
- Brookings County26
- Walworth County25
- McPherson County25
- Hamlin County25
- Potter County24
- Tripp County24
- Grant County24
- Mellette County23
- Bennett County23
- Kingsbury County23
- Corson County22
- Hand County22
- Faulk County21
- Harding County20
- Brule County20
26 more counties
- Todd County20
- Charles Mix County19
- Gregory County19
- Buffalo County19
- Hyde County18
- Spink County18
- Moody County17
- Jerauld County16
- Clark County15
- Aurora County15
- Lake County15
- Douglas County14
- Campbell County14
- Miner County14
- Sanborn County14
- Minnehaha County14
- Hanson County12
- McCook County12
- Davison County11
- Turner County11
- Hutchinson County10
- Bon Homme County10
- Clay County7
- Lincoln County7
- Union County7
- Yankton County6
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
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.