Alert archive / South Dakota / 2017
Weather alerts in South Dakota, August 2017
336 weather alerts in August 2017, 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 2017. Tap one for its archive.
- Alerts
- 336
- Warnings
- 151
- Watches
- 7
- Advisories
- 7
- Busiest day
- August 21, 201747 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, 7:01 PM CDT | Special Weather Statement | UNR | Perkins | 29 min |
| Jul 31, 8:15 PM CDT | Special Weather Statement | UNR | Meade | 30 min |
| Jul 31, 8:48 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 57 min |
| Jul 31, 9:01 PM CDT | Special Weather Statement | UNR | Pennington | 44 min |
| Jul 31, 9:46 PM CDT | Special Weather Statement | UNR | Oglala Lakota, Pennington | 44 min |
| Aug 1, 6:42 AM CDT | Special Weather Statement | ABR | Corson | 48 min |
| Aug 1, 9:54 AM CDT | Special Weather Statement | UNR | Ziebach | 51 min |
| Aug 1, 9:59 AM CDT | Special Weather Statement | ABR | Sully | 46 min |
| Aug 1, 10:07 AM CDT | Severe Thunderstorm Warning | ABR | Dewey, Sully | 24 min |
| Aug 1, 10:36 AM CDT | Special Weather Statement | ABR | Stanley | 24 min |
| Aug 1, 12:32 PM CDT | Special Weather Statement | ABR | Buffalo, Lyman | 43 min |
| Aug 1, 12:36 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Tripp | 37 min |
| Aug 1, 1:08 PM CDT | Special Weather Statement | UNR | Tripp | 52 min |
| Aug 1, 1:17 PM CDT | Special Weather Statement | ABR | Buffalo | 28 min |
| Aug 1, 1:49 PM CDT | Severe Thunderstorm Warning | FSD | Brule, Charles Mix | 41 min |
| Aug 1, 2:50 PM CDT | Special Weather Statement | UNR | Bennett | 40 min |
| Aug 1, 3:10 PM CDT | Special Weather Statement | LBF | Bennett | 35 min |
| Aug 1, 3:26 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson | 34 min |
| Aug 1, 3:59 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 31 min |
| Aug 1, 4:16 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 29 min |
| Aug 1, 4:30 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 30 min |
| Aug 1, 7:52 PM CDT | Mesoscale Discussion | SPC | Custer, Fall River, Lawrence | 83 min |
| Aug 1, 9:42 PM CDT | Special Weather Statement | UNR | Lawrence | 33 min |
| Aug 1, 10:48 PM CDT | Special Weather Statement | UNR | Pennington | 57 min |
| Aug 2, 2:15 PM CDT | Mesoscale Discussion | SPC | Bennett, Mellette, Todd | 3 hr |
| Aug 2, 5:26 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 64 min |
| Aug 2, 6:30 PM CDT | Special Weather Statement | ABR | Sully | 45 min |
| Aug 2, 7:53 PM CDT | Special Weather Statement | ABR | Hyde | 37 min |
| Aug 2, 8:25 PM CDT | Special Weather Statement | ABR | Faulk | 35 min |
| Aug 5, 1:55 AM CDT | Special Weather Statement | ABR | Hughes | 35 min |
| Aug 5, 6:34 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 56 min |
| Aug 5, 6:43 PM CDT | Special Weather Statement | UNR | Meade | 47 min |
| Aug 5, 6:46 PM CDT | Mesoscale Discussion | SPC | Haakon, Harding, Meade, Perkins, Ziebach | 59 min |
| Aug 5, 7:14 PM CDT | Special Weather Statement | ABR | Corson | 46 min |
| Aug 5, 7:24 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 66 min |
| Aug 5, 8:12 PM CDT | Special Weather Statement | UNR | Ziebach | 48 min |
| Aug 5, 8:19 PM CDT | Special Weather Statement | ABR | Corson | 26 min |
| Aug 5, 9:01 PM CDT | Special Weather Statement | UNR | Ziebach | 44 min |
| Aug 5, 9:42 PM CDT | Special Weather Statement | UNR | Ziebach | 33 min |
| Aug 5, 9:49 PM CDT | Special Weather Statement | ABR | Campbell | 41 min |
| Aug 5, 10:21 PM CDT | Special Weather Statement | ABR | Walworth | 39 min |
| Aug 5, 10:39 PM CDT | Special Weather Statement | UNR | Haakon | 36 min |
| Aug 5, 11:22 PM CDT | Special Weather Statement | ABR | Dewey | 53 min |
| Aug 6, 8:30 AM CDT | Special Weather Statement | UNR | Haakon | 30 min |
| Aug 6, 8:44 AM CDT | Special Weather Statement | ABR | Stanley | 46 min |
| Aug 6, 4:05 PM CDT | Special Weather Statement | ABR | Jones | 40 min |
| Aug 6, 4:09 PM CDT | Special Weather Statement | UNR | Mellette | 51 min |
| Aug 6, 4:45 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd, Tripp | 60 min |
| Aug 6, 5:42 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 30 min |
| Aug 6, 10:26 PM CDT | Special Weather Statement | UNR | Custer | 34 min |
| Aug 6, 11:28 PM CDT | Special Weather Statement | UNR | Custer | 32 min |
| Aug 8, 3:07 PM CDT | Special Weather Statement | UNR | Lawrence | 38 min |
| Aug 8, 5:02 PM CDT | Special Weather Statement | ABR | 58 min | |
| Aug 8, 6:21 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 39 min |
| Aug 8, 6:45 PM CDT | Special Weather Statement | UNR | Jackson | 45 min |
| Aug 8, 7:07 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 53 min |
| Aug 8, 7:09 PM CDT | Special Weather Statement | UNR | Haakon | 51 min |
| Aug 8, 7:50 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 40 min |
| Aug 9, 3:22 PM CDT | Mesoscale Discussion | SPC | Brown, Marshall | 83 min |
| Aug 9, 4:17 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 43 min |
| Aug 9, 5:36 PM CDT | Special Weather Statement | ABR | Day | 24 min |
| Aug 9, 6:00 PM CDT | Special Weather Statement | ABR | Roberts | 45 min |
| Aug 9, 6:06 PM CDT | Severe Thunderstorm Warning | ABR | Day, Grant, Roberts | 19 min |
| Aug 9, 6:23 PM CDT | Special Weather Statement | ABR | Codington | 52 min |
| Aug 9, 6:28 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Deuel, Grant | 47 min |
| Aug 9, 6:43 PM CDT | Special Weather Statement | ABR | Grant | 47 min |
| Aug 9, 6:56 PM CDT | Special Weather Statement | ABR | Deuel | 64 min |
| Aug 9, 7:24 PM CDT | Special Weather Statement | ABR | Deuel | 51 min |
| Aug 11, 2:52 PM CDT | Special Weather Statement | UNR | Lawrence | 38 min |
| Aug 11, 3:33 PM CDT | Special Weather Statement | UNR | Lawrence | 42 min |
| Aug 11, 4:04 PM CDT | Special Weather Statement | UNR | Pennington | 41 min |
| Aug 11, 4:25 PM CDT | Special Weather Statement | UNR | Pennington | 50 min |
| Aug 11, 5:03 PM CDT | Special Weather Statement | UNR | Oglala Lakota | 42 min |
| Aug 11, 6:36 PM CDT | Special Weather Statement | UNR | Ziebach | 24 min |
| Aug 11, 6:58 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 62 min |
| Aug 12, 7:47 AM CDT | Special Weather Statement | ABR | Lyman | 43 min |
| Aug 12, 8:32 AM CDT | Special Weather Statement | ABR | Lyman | 43 min |
| Aug 12, 9:11 AM CDT | Special Weather Statement | ABR | Lyman | 49 min |
| Aug 12, 10:58 AM CDT | Special Weather Statement | ABR | Hughes | 47 min |
| Aug 12, 11:07 AM CDT | Special Weather Statement | ABR | Sully | 38 min |
| Aug 12, 11:58 AM CDT | Special Weather Statement | ABR | Hyde | 47 min |
| Aug 12, 12:10 PM CDT | Special Weather Statement | ABR | Hyde | 35 min |
| Aug 12, 1:11 PM CDT | Special Weather Statement | ABR | Hyde | 49 min |
| Aug 12, 1:50 PM CDT | Special Weather Statement | ABR | Hyde | 40 min |
| Aug 12, 2:06 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 39 min |
| Aug 12, 2:16 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Tripp | 59 min |
| Aug 12, 2:18 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman | 57 min |
| Aug 12, 2:31 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Edmunds, McPherson, Walworth | 44 min |
| Aug 12, 2:36 PM CDT | Mesoscale Discussion | SPC | Aurora, Bennett, Brule, Buffalo, Campbell, Dewey and 21 more | 114 min |
| Aug 12, 2:44 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman | 46 min |
| Aug 12, 3:01 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 44 min |
| Aug 12, 3:08 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Tripp | 67 min |
| Aug 12, 3:28 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 47 min |
| Aug 12, 3:35 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman, Stanley | 19 min |
| Aug 12, 3:45 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 45 min |
| Aug 12, 3:47 PM CDT | Special Weather Statement | UNR | Harding | 28 min |
| Aug 12, 3:59 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Brule, Buffalo, Gregory, Jones, Lyman and 3 more | 7 hr |
| Aug 12, 4:05 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule | 40 min |
| Aug 12, 4:12 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 63 min |
| Aug 12, 4:20 PM CDT | Special Weather Statement | UNR | Harding | 25 min |
| Aug 12, 4:31 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 59 min |
| Aug 12, 4:55 PM CDT | Tornado Warning | UNR | Tripp | 50 min |
| Aug 12, 5:10 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 62 min |
| Aug 12, 5:27 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 49 min |
| Aug 12, 5:46 PM CDT | Mesoscale Discussion | SPC | Campbell, Corson, Dewey, Edmunds, Harding, Perkins and 4 more | 89 min |
| Aug 12, 5:53 PM CDT | Severe Thunderstorm Warning | FSD | Gregory | 37 min |
| Aug 12, 6:12 PM CDT | Special Weather Statement | ABR | Dewey | 48 min |
| Aug 12, 6:16 PM CDT | Mesoscale Discussion | SPC | Bennett, Jackson, Mellette, Oglala Lakota, Todd, Tripp | 89 min |
| Aug 12, 6:23 PM CDT | Special Weather Statement | UNR | Perkins | 37 min |
| Aug 12, 6:31 PM CDT | Areal Flood Advisory | UNR | Mellette, Tripp | 3 hr |
| Aug 12, 6:41 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 34 min |
| Aug 12, 7:14 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 46 min |
| Aug 12, 7:20 PM CDT | Special Weather Statement | ABR | Roberts | 25 min |
| Aug 12, 7:31 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 59 min |
| Aug 12, 7:54 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 51 min |
| Aug 12, 8:20 PM CDT | Special Weather Statement | ABR | Dewey | 55 min |
| Aug 12, 8:32 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter, Sully | 43 min |
| Aug 12, 9:12 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter, Sully | 63 min |
| Aug 12, 9:42 PM CDT | Flash Flood Warning | ABR | Corson | 6 hr |
| Aug 12, 10:34 PM CDT | Areal Flood Warning | ABR | Codington | 6 hr |
| Aug 13, 6:25 AM CDT | Special Weather Statement | UNR | Jones | 65 min |
| Aug 13, 7:22 AM CDT | Special Weather Statement | ABR | Clark | 53 min |
| Aug 13, 9:49 AM CDT | Special Weather Statement | ABR | Hamlin | 41 min |
| Aug 13, 10:31 AM CDT | Special Weather Statement | ABR | Deuel | 44 min |
| Aug 13, 11:25 AM CDT | Special Weather Statement | ABR | Hamlin | 50 min |
| Aug 13, 11:29 AM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Deuel, Hamlin | 32 min |
| Aug 13, 3:16 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Douglas | 44 min |
| Aug 13, 3:18 PM CDT | Mesoscale Discussion | SPC | Aurora, Charles Mix, Douglas, Gregory | 117 min |
| Aug 13, 3:54 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Douglas, Hutchinson | 51 min |
| Aug 13, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Charles Mix, Clay, Davison, Douglas, Gregory and 8 more | 11 hr |
| Aug 13, 4:20 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix, Douglas, Hutchinson | 25 min |
| Aug 13, 4:24 PM CDT | Severe Thunderstorm Warning | FSD | Hanson, Hutchinson, McCook, Turner | 36 min |
| Aug 13, 4:39 PM CDT | Tornado Warning | FSD | Bon Homme, Charles Mix | 36 min |
| Aug 13, 5:15 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix | 30 min |
| Aug 13, 5:40 PM CDT | Tornado Warning | FSD | Bon Homme, Charles Mix | 35 min |
| Aug 13, 5:42 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 33 min |
| Aug 13, 5:52 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha, Moody | 23 min |
| Aug 13, 6:39 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme | 21 min |
| Aug 13, 6:44 PM CDT | Severe Thunderstorm Warning | FSD | McCook, Minnehaha | 31 min |
| Aug 13, 6:58 PM CDT | Tornado Warning | FSD | McCook | 17 min |
| Aug 13, 7:14 PM CDT | Severe Thunderstorm Warning | FSD | McCook, Minnehaha, Turner | 31 min |
| Aug 13, 7:38 PM CDT | Mesoscale Discussion | SPC | Bon Homme, Charles Mix, Clay, Davison, Douglas, Hanson and 7 more | 97 min |
| Aug 13, 9:16 PM CDT | Special Weather Statement | UNR | Fall River | 29 min |
| Aug 13, 9:56 PM CDT | Special Weather Statement | UNR | Fall River | 34 min |
| Aug 14, 3:52 AM CDT | Dense Fog Advisory | FSD | Aurora, Beadle, Brookings, Brule, Davison, Hanson and 8 more | 6 hr |
| Aug 14, 4:41 PM CDT | Special Weather Statement | UNR | Lawrence | 34 min |
| Aug 14, 4:44 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade, Pennington | 61 min |
| Aug 14, 5:36 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Haakon, Jackson, Lawrence, Meade and 2 more | 114 min |
| Aug 14, 5:44 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 39 min |
| Aug 14, 6:01 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade, Pennington | 59 min |
| Aug 14, 6:29 PM CDT | Areal Flood Advisory | UNR | Lawrence, Meade | 4 hr |
| Aug 14, 6:46 PM CDT | Severe Thunderstorm Warning | UNR | Oglala Lakota, Pennington | 45 min |
| Aug 14, 7:00 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 60 min |
| Aug 14, 7:23 PM CDT | Special Weather Statement | UNR | Pennington | 37 min |
| Aug 14, 7:24 PM CDT | Severe Thunderstorm Warning | UNR | Oglala Lakota | 66 min |
| Aug 14, 7:37 PM CDT | Severe Thunderstorm Warning | UNR | Butte | 53 min |
| Aug 14, 7:50 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 41 min |
| Aug 14, 8:26 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 49 min |
| Aug 14, 8:27 PM CDT | Flash Flood Warning | UNR | Oglala Lakota | 5 hr |
| Aug 14, 8:37 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Oglala Lakota | 68 min |
| Aug 14, 8:46 PM CDT | Special Weather Statement | UNR | Butte | 44 min |
| Aug 14, 9:16 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade | 33 min |
| Aug 14, 9:45 PM CDT | Mesoscale Discussion | SPC | Bennett, Jackson, Oglala Lakota | 2 hr |
| Aug 14, 9:50 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Oglala Lakota | 55 min |
| Aug 14, 10:00 PM CDT | Flash Flood Warning | UNR | Oglala Lakota | 4 hr |
| Aug 15, 1:20 AM CDT | Areal Flood Warning | UNR | Bennett, Oglala Lakota, Pennington | 12 hr |
| Aug 15, 3:52 PM CDT | Mesoscale Discussion | SPC | Bennett, Jackson, Mellette, Todd | 113 min |
| Aug 15, 4:42 PM CDT | Special Weather Statement | UNR | Jackson | 33 min |
| Aug 15, 6:11 PM CDT | Special Weather Statement | UNR | Mellette | 34 min |
| Aug 15, 6:29 PM CDT | Special Weather Statement | UNR | Mellette | 31 min |
| Aug 15, 7:20 PM CDT | Special Weather Statement | UNR | Mellette | 25 min |
| Aug 15, 7:53 PM CDT | Special Weather Statement | UNR | Mellette | 37 min |
| Aug 15, 8:00 PM CDT | Special Weather Statement | UNR | Todd | 30 min |
| Aug 15, 8:06 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd | 54 min |
| Aug 15, 8:55 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 47 min |
| Aug 15, 9:32 PM CDT | Special Weather Statement | UNR | Bennett, Todd | 88 min |
| Aug 17, 1:37 PM CDT | Special Weather Statement | UNR | Pennington | 38 min |
| Aug 17, 2:27 PM CDT | Special Weather Statement | UNR | Pennington | 48 min |
| Aug 17, 4:42 PM CDT | Special Weather Statement | UNR | Mellette | 33 min |
| Aug 17, 4:52 PM CDT | Special Weather Statement | ABR | Dewey | 83 min |
| Aug 17, 4:56 PM CDT | Special Weather Statement | ABR | Stanley | 79 min |
| Aug 17, 5:04 PM CDT | Special Weather Statement | ABR | Jones | 71 min |
| Aug 17, 5:19 PM CDT | Special Weather Statement | UNR | Mellette | 26 min |
| Aug 17, 6:00 PM CDT | Mesoscale Discussion | SPC | Bennett, Brule, Gregory, Mellette, Todd, Tripp | 2 hr |
| Aug 17, 6:01 PM CDT | Special Weather Statement | ABR | Hughes | 74 min |
| Aug 17, 6:12 PM CDT | Special Weather Statement | UNR | Tripp | 33 min |
| Aug 17, 6:14 PM CDT | Special Weather Statement | ABR | Potter | 76 min |
| Aug 17, 6:47 PM CDT | Special Weather Statement | UNR | Tripp | 43 min |
| Aug 17, 7:11 PM CDT | Special Weather Statement | ABR | Potter, Sully | 79 min |
| Aug 17, 7:32 PM CDT | Special Weather Statement | UNR | Tripp | 43 min |
| Aug 17, 8:12 PM CDT | Special Weather Statement | UNR | Tripp | 48 min |
| Aug 17, 8:45 PM CDT | Special Weather Statement | UNR | Tripp | 75 min |
| Aug 18, 2:14 PM CDT | Special Weather Statement | ABR | Grant | 46 min |
| Aug 18, 2:16 PM CDT | Severe Thunderstorm Warning | ABR | Grant | 44 min |
| Aug 18, 2:54 PM CDT | Mesoscale Discussion | SPC | Brookings, Codington, Deuel, Grant, Hamlin, Lincoln and 3 more | 3 hr |
| Aug 18, 2:59 PM CDT | Severe Thunderstorm Warning | ABR | Grant | 46 min |
| Aug 18, 3:51 PM CDT | Severe Thunderstorm Warning | ABR | Deuel, Grant | 24 min |
| Aug 18, 4:18 PM CDT | Special Weather Statement | ABR | Deuel | 42 min |
| Aug 18, 4:24 PM CDT | Severe Thunderstorm Warning | ABR | Deuel | 51 min |
| Aug 19, 9:30 PM CDT | Severe Thunderstorm Warning | FSD | Union | 29 min |
| Aug 19, 9:54 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Union | 36 min |
| Aug 21, 1:27 AM CDT | Special Weather Statement | UNR | Ziebach | 33 min |
| Aug 21, 2:35 AM CDT | Special Weather Statement | UNR | Perkins | 25 min |
| Aug 21, 3:34 AM CDT | Special Weather Statement | UNR | Ziebach | 41 min |
| Aug 21, 4:32 AM CDT | Special Weather Statement | UNR | Ziebach | 43 min |
| Aug 21, 4:34 AM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 56 min |
| Aug 21, 5:16 AM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 44 min |
| Aug 21, 5:30 AM CDT | Special Weather Statement | UNR | Ziebach | 30 min |
| Aug 21, 5:31 AM CDT | Mesoscale Discussion | SPC | Hand, Hughes, Hyde, Potter, Stanley, Sully | 89 min |
| Aug 21, 5:41 AM CDT | Severe Thunderstorm Warning | ABR | Dewey, Stanley, Sully | 64 min |
| Aug 21, 6:04 AM CDT | Severe Thunderstorm Warning | UNR | Haakon, Ziebach | 41 min |
| Aug 21, 6:36 AM CDT | Severe Thunderstorm Warning | ABR | Dewey, Hughes, Potter, Stanley, Sully | 34 min |
| Aug 21, 6:37 AM CDT | Severe Thunderstorm Warning | UNR | Haakon, Ziebach | 53 min |
| Aug 21, 6:56 AM CDT | Special Weather Statement | ABR | Dewey | 49 min |
| Aug 21, 7:22 AM CDT | Special Weather Statement | UNR | Haakon | 38 min |
| Aug 21, 7:28 AM CDT | Special Weather Statement | ABR | Codington | 47 min |
| Aug 21, 7:45 AM CDT | Severe Thunderstorm Warning | ABR | Codington, Grant | 20 min |
| Aug 21, 7:47 AM CDT | Special Weather Statement | ABR | Stanley | 58 min |
| Aug 21, 7:53 AM CDT | Special Weather Statement | UNR | Haakon | 52 min |
| Aug 21, 7:54 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Jones, Lyman, Stanley, Sully | 66 min |
| Aug 21, 8:27 AM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brule, Buffalo, Charles Mix, Davison and 16 more | 2 hr |
| Aug 21, 8:38 AM CDT | Severe Thunderstorm Warning | ABR | Jones, Stanley | 52 min |
| Aug 21, 8:47 AM CDT | Special Weather Statement | UNR | Jones | 58 min |
| Aug 21, 8:54 AM CDT | Areal Flood Warning | ABR | Codington, Hamlin | 3 hr |
| Aug 21, 8:55 AM CDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman, Stanley | 65 min |
| Aug 21, 8:55 AM CDT | Severe Thunderstorm Watch | SPC | Aurora, Brule, Buffalo, Charles Mix, Davison, Douglas and 8 more | 5 hr |
| Aug 21, 9:07 AM CDT | Severe Thunderstorm Warning | ABR | Jones | 38 min |
| Aug 21, 9:19 AM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman | 41 min |
| Aug 21, 9:42 AM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman | 33 min |
| Aug 21, 9:42 AM CDT | Severe Thunderstorm Warning | UNR | Mellette, Tripp | 63 min |
| Aug 21, 9:50 AM CDT | Severe Thunderstorm Warning | ABR | Lyman | 40 min |
| Aug 21, 10:11 AM CDT | Flash Flood Warning | ABR | Hughes, Lyman, Stanley | 3 hr |
| Aug 21, 10:16 AM CDT | Severe Thunderstorm Warning | ABR | Lyman | 30 min |
| Aug 21, 10:29 AM CDT | Severe Thunderstorm Warning | ABR | Lyman | 46 min |
| Aug 21, 10:39 AM CDT | Severe Thunderstorm Warning | FSD | Brule, Charles Mix, Gregory | 51 min |
| Aug 21, 10:42 AM CDT | Severe Thunderstorm Warning | ABR | Lyman | 33 min |
| Aug 21, 10:51 AM CDT | Special Weather Statement | UNR | Mellette, Todd, Tripp | 54 min |
| Aug 21, 11:06 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln, McCook, Minnehaha, Turner | 39 min |
| Aug 21, 11:12 AM CDT | Mesoscale Discussion | SPC | Aurora, Bon Homme, Brule, Charles Mix, Clay, Davison and 15 more | 93 min |
| Aug 21, 11:23 AM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Charles Mix, Douglas, Gregory | 52 min |
| Aug 21, 11:33 AM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Clay, Hanson, Hutchinson, Lake, Lincoln and 7 more | 7 hr |
| Aug 21, 12:05 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Charles Mix, Davison, Douglas, Gregory, Hutchinson | 40 min |
| Aug 21, 12:33 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Davison, Douglas, Hanson, Hutchinson, Yankton | 42 min |
| Aug 21, 12:38 PM CDT | Flash Flood Warning | FSD | Lincoln, Minnehaha | 3 hr |
| Aug 21, 12:48 PM CDT | Severe Thunderstorm Warning | FSD | Turner | 27 min |
| Aug 21, 1:06 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Clay, Hutchinson, Turner, Yankton | 39 min |
| Aug 21, 1:40 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Lincoln, Turner, Union, Yankton | 50 min |
| Aug 21, 2:35 PM CDT | Mesoscale Discussion | SPC | Union | 85 min |
| Aug 24, 2:22 PM CDT | Special Weather Statement | UNR | Lawrence | 53 min |
| Aug 24, 3:48 PM CDT | Areal Flood Advisory | UNR | Lawrence | 6 hr |
| Aug 25, 10:33 AM CDT | Severe Thunderstorm Warning | UNR | Ziebach | 57 min |
| Aug 25, 10:42 AM CDT | Special Weather Statement | ABR | Dewey | 48 min |
| Aug 25, 11:33 AM CDT | Special Weather Statement | UNR | Ziebach | 42 min |
| Aug 25, 11:43 AM CDT | Areal Flood Advisory | UNR | Ziebach | 6 hr |
| Aug 25, 11:59 AM CDT | Special Weather Statement | UNR | Ziebach | 46 min |
| Aug 25, 12:07 PM CDT | Flash Flood Warning | FSD | Union | 113 min |
| Aug 25, 12:46 PM CDT | Special Weather Statement | UNR | Ziebach | 44 min |
| Aug 25, 1:30 PM CDT | Special Weather Statement | UNR | Ziebach | 60 min |
| Aug 25, 1:40 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Ziebach | 50 min |
| Aug 25, 2:16 PM CDT | Flash Flood Warning | UNR | Ziebach | 3 hr |
| Aug 25, 2:27 PM CDT | Special Weather Statement | ABR | Edmunds, Faulk, Potter, Sully | 48 min |
| Aug 25, 2:57 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bon Homme, Brookings, Brule, Buffalo and 23 more | 3 hr |
| Aug 25, 3:01 PM CDT | Special Weather Statement | ABR | Faulk, Potter | 44 min |
| Aug 25, 3:01 PM CDT | Special Weather Statement | UNR | Custer | 44 min |
| Aug 25, 3:14 PM CDT | Severe Thunderstorm Warning | ABR | Potter, Sully | 46 min |
| Aug 25, 3:22 PM CDT | Severe Thunderstorm Warning | UNR | Pennington | 38 min |
| Aug 25, 3:23 PM CDT | Severe Thunderstorm Warning | ABR | Faulk | 52 min |
| Aug 25, 3:38 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Bon Homme, Brookings, Brule, Buffalo and 23 more | 7 hr |
| Aug 25, 3:46 PM CDT | Mesoscale Discussion | SPC | Butte, Custer, Lawrence, Oglala Lakota | 89 min |
| Aug 25, 3:47 PM CDT | Special Weather Statement | UNR | Custer | 43 min |
| Aug 25, 4:12 PM CDT | Severe Thunderstorm Warning | UNR | Todd | 63 min |
| Aug 25, 4:33 PM CDT | Special Weather Statement | LBF | Todd | 42 min |
| Aug 25, 4:35 PM CDT | Special Weather Statement | ABR | Spink | 40 min |
| Aug 25, 4:36 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 54 min |
| Aug 25, 4:44 PM CDT | Special Weather Statement | ABR | Hand | 46 min |
| Aug 25, 5:04 PM CDT | Flash Flood Warning | UNR | Ziebach | 8 hr |
| Aug 25, 5:12 PM CDT | Severe Thunderstorm Warning | UNR | Tripp | 63 min |
| Aug 25, 5:14 PM CDT | Special Weather Statement | ABR | Clark | 46 min |
| Aug 25, 5:23 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington, Day | 52 min |
| Aug 25, 5:32 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 58 min |
| Aug 25, 5:42 PM CDT | Severe Thunderstorm Warning | FSD | Brule, Charles Mix, Gregory | 63 min |
| Aug 25, 5:43 PM CDT | Severe Thunderstorm Warning | UNR | Todd, Tripp | 25 min |
| Aug 25, 5:47 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 43 min |
| Aug 25, 5:47 PM CDT | Tornado Warning | ABR | Clark, Codington, Day | 12 min |
| Aug 25, 5:58 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bon Homme, Brule, Buffalo, Charles Mix and 20 more | 2 hr |
| Aug 25, 6:03 PM CDT | Severe Thunderstorm Warning | ABR | Codington, Day, Deuel, Grant | 42 min |
| Aug 25, 6:26 PM CDT | Special Weather Statement | LBF | Todd | 49 min |
| Aug 25, 6:36 PM CDT | Severe Thunderstorm Warning | FSD | Beadle, Kingsbury, Miner, Sanborn | 39 min |
| Aug 25, 6:48 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison, Jerauld, Sanborn | 57 min |
| Aug 25, 7:00 PM CDT | Severe Thunderstorm Warning | FSD | Brookings, Kingsbury, Lake, Miner | 45 min |
| Aug 25, 7:28 PM CDT | Severe Thunderstorm Warning | FSD | Lake, McCook, Miner, Minnehaha | 47 min |
| Aug 26, 5:03 AM CDT | Dense Fog Advisory | ABR | Campbell, Corson, Dewey, Edmunds, Faulk, Hand and 6 more | 6 hr |
| Aug 26, 1:23 PM CDT | Special Weather Statement | UNR | Lawrence | 52 min |
| Aug 26, 1:57 PM CDT | Special Weather Statement | UNR | Custer | 48 min |
| Aug 26, 2:08 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 67 min |
| Aug 26, 2:13 PM CDT | Mesoscale Discussion | SPC | Bennett, Corson, Dewey, Haakon, Jackson, Jones and 8 more | 3 hr |
| Aug 26, 3:02 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 58 min |
| Aug 26, 3:04 PM CDT | Severe Thunderstorm Watch | SPC | Bennett, Corson, Custer, Dewey, Fall River, Haakon and 11 more | 7 hr |
| Aug 26, 3:47 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River, Oglala Lakota | 58 min |
| Aug 26, 3:57 PM CDT | Special Weather Statement | UNR | Haakon | 48 min |
| Aug 26, 4:14 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade | 46 min |
| Aug 26, 4:24 PM CDT | Mesoscale Discussion | SPC | Bennett, Butte, Custer, Dewey, Fall River, Haakon and 11 more | 2 hr |
| Aug 26, 4:27 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Meade, Pennington, Ziebach | 63 min |
| Aug 26, 4:28 PM CDT | Severe Thunderstorm Warning | UNR | Fall River, Oglala Lakota | 50 min |
| Aug 26, 4:30 PM CDT | Tornado Warning | UNR | Fall River, Oglala Lakota | 17 min |
| Aug 26, 4:35 PM CDT | Special Weather Statement | UNR | Butte | 40 min |
| Aug 26, 4:53 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson | 67 min |
| Aug 26, 4:57 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 63 min |
| Aug 26, 5:05 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade | 25 min |
| Aug 26, 5:27 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 24 min |
| Aug 26, 5:30 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 23 min |
| Aug 26, 5:32 PM CDT | Special Weather Statement | UNR | Lawrence | 28 min |
| Aug 26, 5:45 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Mellette | 60 min |
| Aug 26, 6:05 PM CDT | Special Weather Statement | UNR | Lawrence | 40 min |
| Aug 26, 6:37 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Mellette, Todd | 53 min |
| Aug 26, 6:38 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 52 min |
| Aug 26, 6:41 PM CDT | Special Weather Statement | ABR | Jones | 49 min |
| Aug 26, 7:00 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 17 min |
| Aug 26, 7:10 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 50 min |
| Aug 26, 7:29 PM CDT | Severe Thunderstorm Warning | UNR | Meade | 61 min |
| Aug 26, 7:33 PM CDT | Special Weather Statement | UNR | Todd | 42 min |
| Aug 26, 7:40 PM CDT | Mesoscale Discussion | SPC | Bennett, Haakon, Jackson, Jones, Mellette, Oglala Lakota and 2 more | 2 hr |
| Aug 26, 7:53 PM CDT | Special Weather Statement | UNR | Haakon | 67 min |
| Aug 26, 8:08 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Ziebach | 33 min |
| Aug 26, 8:33 PM CDT | Special Weather Statement | UNR | Haakon | 42 min |
| Aug 26, 8:42 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 48 min |
| Aug 26, 9:26 PM CDT | Special Weather Statement | ABR | Jones | 34 min |
| Aug 26, 9:28 PM CDT | Special Weather Statement | UNR | Mellette | 47 min |
| Aug 26, 10:12 PM CDT | Special Weather Statement | UNR | Tripp | 48 min |
| Aug 26, 10:33 PM CDT | Severe Thunderstorm Warning | UNR | Todd, Tripp | 42 min |
| Aug 26, 11:12 PM CDT | Special Weather Statement | UNR | Mellette | 48 min |
| Aug 26, 11:21 PM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd | 54 min |
| Aug 26, 11:33 PM CDT | Special Weather Statement | LBF | Bennett | 42 min |
| Aug 29, 4:59 PM CDT | Special Weather Statement | UNR | Custer | 31 min |
| Aug 31, 5:06 AM CDT | Dense Fog Advisory | FSD | Brookings, Kingsbury, Lake, Minnehaha, Moody | 5 hr |
| Aug 31, 3:05 PM CDT | Fire Weather Watch | UNR | 15 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 | 134 |
| Tornado Warning | 6 |
| Severe Thunderstorm Watch | 6 |
| Mesoscale Discussion | 24 |
| Special Weather Statement | 147 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 8 |
| Areal Flood Advisory | 4 |
| Fire | |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Mellette County31
- Tripp County31
- Ziebach County29
- Lyman County29
- Oglala Lakota County25
- Todd County25
- Meade County24
- Pennington County24
- Jones County22
- Lawrence County21
- Haakon County21
- Charles Mix County20
- Dewey County19
- Bennett County19
- Stanley County18
- Minnehaha County18
- Sully County16
- Brule County16
- Hutchinson County15
- Custer County15
- Gregory County15
- Douglas County15
- McCook County15
- Perkins County14
- Jackson County14
- Bon Homme County14
- Turner County14
- Hughes County13
- Aurora County13
- Lincoln County12
- Potter County12
- Davison County12
- Corson County11
- Hyde County11
- Codington County11
- Hanson County11
- Grant County10
- Deuel County10
- Yankton County10
- Miner County10
26 more counties
- Buffalo County9
- Jerauld County9
- Union County9
- Lake County9
- Sanborn County9
- Fall River County8
- Faulk County8
- Clark County8
- Kingsbury County8
- Hand County7
- Clay County7
- Moody County7
- Butte County7
- Harding County6
- Hamlin County6
- Beadle County6
- Brookings County6
- Campbell County5
- Walworth County5
- Day County5
- Edmunds County5
- Roberts County4
- Spink County4
- McPherson County3
- Brown County1
- Marshall County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.