Alert archive / South Dakota / Severe Thunderstorm Warnings / 2021
Severe Thunderstorm Warnings in South Dakota, July 2021
119 severe thunderstorm warnings in July 2021. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in July 2021. Tap one for its archive.
- Severe Thunderstorm Warnings
- 119
- Busiest day
- July 9, 202129 severe thunderstorm warnings
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 3, 1:44 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade, Pennington | 35 min |
| Jul 3, 2:59 PM CDT | Severe Thunderstorm Warning | UNR | Custer | 48 min |
| Jul 3, 5:33 PM CDT | Severe Thunderstorm Warning | UNR | Jackson | 57 min |
| Jul 3, 5:36 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Stanley | 39 min |
| Jul 3, 5:58 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson | 62 min |
| Jul 3, 6:10 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Stanley | 50 min |
| Jul 3, 6:35 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey, Potter, Walworth | 40 min |
| Jul 3, 6:56 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 79 min |
| Jul 3, 6:57 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 33 min |
| Jul 3, 7:14 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Walworth | 31 min |
| Jul 3, 7:34 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Walworth | 18 min |
| Jul 3, 8:12 PM CDT | Severe Thunderstorm Warning | UNR | Bennett | 44 min |
| Jul 5, 12:14 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley, Sully | 46 min |
| Jul 5, 1:50 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 40 min |
| Jul 5, 2:30 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 30 min |
| Jul 5, 3:17 PM CDT | Severe Thunderstorm Warning | FSD | Brule | 30 min |
| Jul 5, 5:00 PM CDT | Severe Thunderstorm Warning | FSD | Hutchinson, Turner | 29 min |
| Jul 5, 5:54 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 36 min |
| Jul 5, 6:12 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 41 min |
| Jul 5, 6:15 PM CDT | Severe Thunderstorm Warning | FSD | McCook, Minnehaha | 45 min |
| Jul 5, 6:19 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade, Pennington | 56 min |
| Jul 5, 6:37 PM CDT | Severe Thunderstorm Warning | FSD | Lake, Lincoln, Minnehaha, Turner | 38 min |
| Jul 5, 7:11 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 64 min |
| Jul 5, 7:16 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Minnehaha, Moody | 44 min |
| Jul 6, 12:54 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Turner, Yankton | 51 min |
| Jul 6, 1:05 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Yankton | 25 min |
| Jul 6, 1:14 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Turner, Yankton | 31 min |
| Jul 6, 6:08 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding, Perkins | 67 min |
| Jul 6, 6:58 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade, Perkins | 60 min |
| Jul 6, 8:51 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding | 54 min |
| Jul 8, 4:36 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade | 54 min |
| Jul 8, 5:29 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade | 61 min |
| Jul 8, 6:26 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Meade, Pennington | 64 min |
| Jul 8, 6:30 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 26 min |
| Jul 8, 7:14 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Jackson, Oglala Lakota, Pennington | 61 min |
| Jul 8, 7:39 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 66 min |
| Jul 8, 7:58 PM CDT | Severe Thunderstorm Warning | UNR | Perkins, Ziebach | 47 min |
| Jul 8, 8:10 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Oglala Lakota | 65 min |
| Jul 8, 8:42 PM CDT | Severe Thunderstorm Warning | UNR | Perkins, Ziebach | 63 min |
| Jul 8, 8:43 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 62 min |
| Jul 8, 9:32 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Ziebach | 58 min |
| Jul 8, 9:34 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins, Ziebach | 56 min |
| Jul 8, 9:35 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 26 min |
| Jul 8, 10:28 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Meade, Ziebach | 62 min |
| Jul 8, 10:30 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Ziebach | 24 min |
| Jul 8, 10:45 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 45 min |
| Jul 8, 10:53 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Hutchinson, Turner, Yankton | 52 min |
| Jul 8, 10:56 PM CDT | Severe Thunderstorm Warning | FSD | Yankton | 19 min |
| Jul 8, 11:11 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Yankton | 34 min |
| Jul 8, 11:21 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Hutchinson, Lincoln, Turner, Yankton | 39 min |
| Jul 8, 11:22 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 53 min |
| Jul 8, 11:25 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Mellette | 65 min |
| Jul 8, 11:50 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Union | 40 min |
| Jul 8, 11:59 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Lincoln, Turner, Union | 46 min |
| Jul 9, 12:20 AM CDT | Severe Thunderstorm Warning | UNR | Mellette, Todd | 40 min |
| Jul 9, 12:44 AM CDT | Severe Thunderstorm Warning | FSD | Clay, Union | 46 min |
| Jul 9, 12:46 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Union | 44 min |
| Jul 9, 1:22 AM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison, Jerauld, Sanborn | 38 min |
| Jul 9, 2:15 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Union | 45 min |
| Jul 9, 2:34 AM CDT | Severe Thunderstorm Warning | FSD | Hanson, Lake, McCook, Miner | 41 min |
| Jul 9, 4:17 AM CDT | Severe Thunderstorm Warning | ABR | Dewey, Sully | 27 min |
| Jul 9, 4:57 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Meade, Pennington | 12 min |
| Jul 9, 6:41 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River, Oglala Lakota | 28 min |
| Jul 9, 8:25 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 35 min |
| Jul 9, 8:57 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River | 63 min |
| Jul 9, 9:10 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 50 min |
| Jul 13, 9:25 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence | 50 min |
| Jul 13, 10:12 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Lawrence, Meade | 63 min |
| Jul 13, 10:58 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Lawrence, Meade, Pennington | 62 min |
| Jul 13, 11:56 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Pennington | 51 min |
| Jul 16, 4:55 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence, Pennington | 65 min |
| Jul 16, 5:32 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 58 min |
| Jul 16, 6:05 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 45 min |
| Jul 16, 6:31 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Oglala Lakota, Pennington | 44 min |
| Jul 16, 7:10 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Jackson, Oglala Lakota | 65 min |
| Jul 16, 7:20 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Oglala Lakota, Pennington | 55 min |
| Jul 16, 8:12 PM CDT | Severe Thunderstorm Warning | UNR | Bennett, Oglala Lakota | 48 min |
| Jul 16, 8:18 PM CDT | Severe Thunderstorm Warning | UNR | Haakon, Jackson, Mellette | 57 min |
| Jul 17, 6:34 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Fall River | 41 min |
| Jul 17, 7:10 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 35 min |
| Jul 17, 7:34 PM CDT | Severe Thunderstorm Warning | UNR | Fall River | 56 min |
| Jul 17, 8:41 PM CDT | Severe Thunderstorm Warning | UNR | Harding | 52 min |
| Jul 21, 1:47 PM CDT | Severe Thunderstorm Warning | UNR | Custer, Pennington | 31 min |
| Jul 22, 4:33 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding | 57 min |
| Jul 22, 5:01 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Harding, Perkins | 59 min |
| Jul 22, 5:48 PM CDT | Severe Thunderstorm Warning | UNR | Butte, Meade, Perkins | 57 min |
| Jul 22, 6:41 PM CDT | Severe Thunderstorm Warning | UNR | Meade, Perkins, Ziebach | 79 min |
| Jul 22, 6:44 PM CDT | Severe Thunderstorm Warning | ABR | Corson, Dewey | 61 min |
| Jul 22, 7:45 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 60 min |
| Jul 23, 6:25 PM CDT | Severe Thunderstorm Warning | UNR | Harding, Perkins | 44 min |
| Jul 23, 7:23 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 40 min |
| Jul 23, 8:14 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 46 min |
| Jul 23, 8:15 PM CDT | Severe Thunderstorm Warning | UNR | Perkins | 30 min |
| Jul 23, 9:06 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 39 min |
| Jul 23, 9:11 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Davison, Hanson | 49 min |
| Jul 23, 9:15 PM CDT | Severe Thunderstorm Warning | FSD | Kingsbury | 30 min |
| Jul 23, 9:47 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Edmunds, McPherson | 43 min |
| Jul 23, 10:29 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Edmunds, McPherson | 46 min |
| Jul 23, 10:31 PM CDT | Severe Thunderstorm Warning | ABR | Brown, McPherson | 44 min |
| Jul 23, 10:42 PM CDT | Severe Thunderstorm Warning | ABR | Day, Marshall, Roberts | 33 min |
| Jul 23, 10:54 PM CDT | Severe Thunderstorm Warning | ABR | Edmunds, Faulk, Potter, Sully, Walworth | 51 min |
| Jul 23, 11:13 PM CDT | Severe Thunderstorm Warning | ABR | Roberts | 35 min |
| Jul 23, 11:17 PM CDT | Severe Thunderstorm Warning | ABR | Brown, Marshall | 30 min |
| Jul 24, 12:43 AM CDT | Severe Thunderstorm Warning | ABR | Roberts | 47 min |
| Jul 25, 5:37 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 14 min |
| Jul 25, 5:55 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 50 min |
| Jul 25, 6:03 PM CDT | Severe Thunderstorm Warning | ABR | Hughes | 29 min |
| Jul 25, 6:20 PM CDT | Severe Thunderstorm Warning | ABR | Hand, Hyde | 40 min |
| Jul 25, 6:24 PM CDT | Severe Thunderstorm Warning | ABR | Faulk, Hand, Hyde | 51 min |
| Jul 25, 6:41 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 25 min |
| Jul 25, 6:43 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 22 min |
| Jul 25, 7:03 PM CDT | Severe Thunderstorm Warning | ABR | Hand, Hyde | 42 min |
| Jul 25, 7:19 PM CDT | Severe Thunderstorm Warning | FSD | Beadle | 26 min |
| Jul 25, 7:29 PM CDT | Severe Thunderstorm Warning | UNR | Mellette | 61 min |
| Jul 25, 7:30 PM CDT | Severe Thunderstorm Warning | ABR | Hand | 36 min |
| Jul 25, 8:11 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Spink | 49 min |
| Jul 25, 8:54 PM CDT | Severe Thunderstorm Warning | ABR | Clark, Codington | 51 min |
| Jul 26, 4:05 AM CDT | Severe Thunderstorm Warning | ABR | Corson | 28 min |
| Jul 26, 9:43 AM CDT | Severe Thunderstorm Warning | ABR | Walworth | 32 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pennington County16
- Meade County15
- Perkins County15
- Custer County13
- Butte County10
- Harding County9
- Jackson County8
- Dewey County8
- Clay County8
- Lawrence County7
- Haakon County7
- Turner County7
- Yankton County7
- Oglala Lakota County7
- Ziebach County7
- Corson County6
- Lincoln County6
- Fall River County6
- Stanley County5
- Walworth County5
- Bennett County5
- Union County5
- Jones County4
- Hughes County4
- Mellette County4
- Hand County4
- Sully County3
- Lyman County3
- Hutchinson County3
- Minnehaha County3
- Edmunds County3
- McPherson County3
- Brown County3
- Roberts County3
- Hyde County3
- Potter County2
- McCook County2
- Lake County2
- Aurora County2
- Davison County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.