Alert archive / North Dakota / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in North Dakota, 2025
421 severe thunderstorm warnings in 2025. 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 2025. Tap one for its archive.
- Severe Thunderstorm Warnings
- 421
- Busiest month
- June155 severe thunderstorm warnings
- Busiest day
- June 21, 202547 severe thunderstorm warnings
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
249 of 421 severe thunderstorm warnings covering North Dakota in 2025 had a qualifying storm report inside them; 503 of 576 hail, wind and damage reports fell inside a warning, on average 26 minutes after it went out.
North Dakota, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Severe thunderstorm warnings | 421 | 249 | 41% | 576 | 87% | 26 min |
Each office's whole area, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Bismarck, ND: severe thunderstorm warnings | 280 | 160 | 43% | 420 | 88% | 26 min |
| NWS Grand Forks, ND: severe thunderstorm warnings | 191 | 118 | 38% | 280 | 78% | 26 min |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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 |
|---|---|---|---|---|
| May 11, 9:25 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger | 50 min |
| May 11, 10:29 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton | 61 min |
| May 15, 4:33 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Steele, Traill | 42 min |
| May 15, 4:43 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 62 min |
| Jun 7, 3:59 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Griggs, Nelson, Steele, Traill | 46 min |
| Jun 7, 4:39 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Steele, Traill | 51 min |
| Jun 7, 4:53 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Ransom | 52 min |
| Jun 7, 5:53 PM CDT | Severe Thunderstorm Warning | FGF | Traill | 37 min |
| Jun 15, 7:01 PM CDT | Severe Thunderstorm Warning | BIS | Divide | 59 min |
| Jun 15, 7:53 PM CDT | Severe Thunderstorm Warning | BIS | Divide | 67 min |
| Jun 15, 8:43 PM CDT | Severe Thunderstorm Warning | BIS | Burke | 47 min |
| Jun 15, 11:54 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 66 min |
| Jun 16, 12:29 AM CDT | Severe Thunderstorm Warning | BIS | Bowman, Slope | 61 min |
| Jun 16, 12:57 AM CDT | Severe Thunderstorm Warning | BIS | Adams, Hettinger | 63 min |
| Jun 16, 1:20 AM CDT | Severe Thunderstorm Warning | BIS | Adams, Hettinger | 40 min |
| Jun 16, 1:28 AM CDT | Severe Thunderstorm Warning | BIS | Grant, Sioux | 32 min |
| Jun 16, 1:47 AM CDT | Severe Thunderstorm Warning | BIS | Grant, Hettinger, Sioux | 43 min |
| Jun 16, 1:56 AM CDT | Severe Thunderstorm Warning | BIS | Bowman, Slope | 49 min |
| Jun 16, 2:18 AM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton, Sioux | 57 min |
| Jun 16, 2:18 AM CDT | Severe Thunderstorm Warning | BIS | Emmons, McIntosh | 57 min |
| Jun 16, 2:25 AM CDT | Severe Thunderstorm Warning | BIS | Grant, Hettinger | 50 min |
| Jun 16, 3:03 AM CDT | Severe Thunderstorm Warning | BIS | Emmons, Logan | 42 min |
| Jun 16, 5:01 AM CDT | Severe Thunderstorm Warning | FGF | Ransom, Richland, Sargent | 44 min |
| Jun 16, 6:16 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 44 min |
| Jun 16, 6:41 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, McLean, Pierce, Sheridan | 64 min |
| Jun 16, 8:13 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Sheridan | 62 min |
| Jun 16, 8:58 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder | 62 min |
| Jun 18, 4:36 PM CDT | Severe Thunderstorm Warning | BIS | Divide, Williams | 54 min |
| Jun 18, 5:28 PM CDT | Severe Thunderstorm Warning | BIS | Williams | 62 min |
| Jun 18, 6:18 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, McIntosh | 42 min |
| Jun 18, 6:49 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Renville, Ward | 56 min |
| Jun 18, 7:51 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton | 54 min |
| Jun 18, 8:11 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry | 48 min |
| Jun 19, 6:00 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Stark | 60 min |
| Jun 19, 6:28 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Renville | 62 min |
| Jun 19, 6:44 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Hettinger, Stark | 61 min |
| Jun 19, 7:02 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Hettinger, Stark | 58 min |
| Jun 19, 7:30 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Ransom | 45 min |
| Jun 19, 7:59 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Hettinger, Stark | 61 min |
| Jun 19, 8:03 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Ward | 28 min |
| Jun 19, 8:07 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Richland | 53 min |
| Jun 19, 8:36 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 24 min |
| Jun 19, 8:51 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Hettinger | 54 min |
| Jun 19, 8:55 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 65 min |
| Jun 19, 9:03 PM CDT | Severe Thunderstorm Warning | BIS | Pierce, Wells | 27 min |
| Jun 19, 9:10 PM CDT | Severe Thunderstorm Warning | FGF | Benson | 50 min |
| Jun 19, 9:17 PM CDT | Severe Thunderstorm Warning | BIS | Wells | 58 min |
| Jun 19, 9:41 PM CDT | Severe Thunderstorm Warning | BIS | Kidder | 64 min |
| Jun 19, 9:41 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Sioux | 49 min |
| Jun 19, 10:01 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Stutsman, Wells | 59 min |
| Jun 19, 10:22 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Logan, Stutsman | 53 min |
| Jun 19, 10:28 PM CDT | Severe Thunderstorm Warning | BIS | Sioux | 47 min |
| Jun 19, 10:57 PM CDT | Severe Thunderstorm Warning | BIS | Logan | 48 min |
| Jun 19, 11:53 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 67 min |
| Jun 20, 6:13 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley | 50 min |
| Jun 20, 6:15 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, McKenzie | 50 min |
| Jun 20, 6:51 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn | 54 min |
| Jun 20, 7:09 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Hettinger, Slope | 66 min |
| Jun 20, 7:19 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Stark | 26 min |
| Jun 20, 7:30 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Slope, Stark | 60 min |
| Jun 20, 7:46 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 59 min |
| Jun 20, 8:03 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger, Morton, Sioux, Stark | 57 min |
| Jun 20, 8:04 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McLean, Mercer, Morton, Oliver, Stark | 56 min |
| Jun 20, 8:10 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 53 min |
| Jun 20, 8:13 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Mercer, Morton, Stark | 32 min |
| Jun 20, 8:20 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton | 25 min |
| Jun 20, 8:25 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Stutsman | 40 min |
| Jun 20, 8:45 PM CDT | Severe Thunderstorm Warning | BIS | Morton, Oliver | 30 min |
| Jun 20, 8:48 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton, Sioux | 27 min |
| Jun 20, 8:58 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Morton, Oliver | 62 min |
| Jun 20, 9:01 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, McHenry, McLean, Mercer, Oliver, Sheridan and 1 more | 44 min |
| Jun 20, 9:06 PM CDT | Severe Thunderstorm Warning | FGF | Steele, Traill | 54 min |
| Jun 20, 9:19 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Sioux | 56 min |
| Jun 20, 9:25 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Ransom | 35 min |
| Jun 20, 9:36 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Kidder, Logan, Stutsman | 54 min |
| Jun 20, 9:44 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, McHenry, McLean, Mercer, Oliver, Pierce and 2 more | 61 min |
| Jun 20, 10:01 PM CDT | Severe Thunderstorm Warning | FGF | Traill | 59 min |
| Jun 20, 10:12 PM CDT | Severe Thunderstorm Warning | BIS | Dickey, McIntosh | 33 min |
| Jun 20, 10:21 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Kidder, LaMoure, Logan, Stutsman, Wells | 54 min |
| Jun 20, 10:33 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Griggs, Nelson, Steele | 57 min |
| Jun 20, 10:37 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Griggs, Steele | 53 min |
| Jun 20, 10:40 PM CDT | Severe Thunderstorm Warning | BIS | Dickey | 50 min |
| Jun 20, 10:41 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Ransom | 64 min |
| Jun 20, 10:48 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder, Sheridan, Wells | 57 min |
| Jun 20, 11:04 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Grand Forks, Nelson, Ramsey, Walsh | 56 min |
| Jun 20, 11:10 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Kidder, Stutsman, Wells | 65 min |
| Jun 20, 11:12 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure | 33 min |
| Jun 20, 11:17 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Grand Forks, Nelson, Steele, Traill | 43 min |
| Jun 20, 11:24 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Ransom, Richland | 36 min |
| Jun 20, 11:29 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Benson, Eddy, Griggs, Nelson, Steele | 61 min |
| Jun 20, 11:36 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Stutsman | 54 min |
| Jun 20, 11:48 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Grand Forks, Nelson, Pembina, Ramsey, Walsh | 57 min |
| Jun 20, 11:49 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Grand Forks, Traill | 56 min |
| Jun 20, 11:52 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Ransom, Richland, Sargent | 53 min |
| Jun 21, 12:09 AM CDT | Severe Thunderstorm Warning | BIS | Foster, Kidder, Stutsman, Wells | 66 min |
| Jun 21, 12:16 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Griggs, Steele | 59 min |
| Jun 21, 12:25 AM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 50 min |
| Jun 21, 12:45 AM CDT | Severe Thunderstorm Warning | FGF | Richland | 60 min |
| Jun 21, 12:51 AM CDT | Severe Thunderstorm Warning | FGF | Cass, Grand Forks, Steele, Traill | 54 min |
| Jun 21, 1:07 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Ransom | 53 min |
| Jun 21, 1:12 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Grand Forks, Griggs, Steele, Traill | 48 min |
| Jun 21, 1:43 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Grand Forks, Griggs, Steele, Traill | 62 min |
| Jun 21, 1:56 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass | 34 min |
| Jun 21, 2:07 AM CDT | Severe Thunderstorm Warning | FGF | Traill | 53 min |
| Jun 22, 8:38 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Griggs, Nelson, Steele | 37 min |
| Jun 22, 8:41 AM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Sioux | 64 min |
| Jun 22, 8:50 AM CDT | Severe Thunderstorm Warning | FGF | Griggs, Nelson, Steele | 25 min |
| Jun 22, 9:13 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Nelson, Steele, Traill | 47 min |
| Jun 22, 9:56 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Walsh | 64 min |
| Jun 22, 10:18 AM CDT | Severe Thunderstorm Warning | FGF | Pembina, Walsh | 57 min |
| Jun 22, 3:48 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier | 27 min |
| Jun 25, 6:17 PM CDT | Severe Thunderstorm Warning | BIS | Bowman | 58 min |
| Jun 27, 6:45 PM CDT | Severe Thunderstorm Warning | BIS | McHenry | 45 min |
| Jun 27, 6:59 PM CDT | Severe Thunderstorm Warning | BIS | Mercer, Oliver | 61 min |
| Jun 27, 7:07 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Ward | 68 min |
| Jun 27, 7:18 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce | 57 min |
| Jun 27, 7:22 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Pierce | 53 min |
| Jun 27, 7:34 PM CDT | Severe Thunderstorm Warning | BIS | McHenry | 41 min |
| Jun 27, 7:49 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, McLean, Sheridan, Ward | 56 min |
| Jun 27, 7:59 PM CDT | Severe Thunderstorm Warning | BIS | Pierce | 46 min |
| Jun 27, 8:11 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Pierce, Rolette | 36 min |
| Jun 27, 8:13 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce, Sheridan | 62 min |
| Jun 27, 8:17 PM CDT | Severe Thunderstorm Warning | FGF | Benson | 58 min |
| Jun 27, 8:34 PM CDT | Severe Thunderstorm Warning | BIS | Pierce | 41 min |
| Jun 27, 8:44 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Sheridan | 46 min |
| Jun 27, 8:44 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton, Oliver | 61 min |
| Jun 27, 8:56 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, McLean, Mercer, Oliver | 64 min |
| Jun 27, 9:15 PM CDT | Severe Thunderstorm Warning | BIS | Pierce | 30 min |
| Jun 27, 9:31 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, McLean, Pierce, Sheridan, Wells | 44 min |
| Jun 27, 9:38 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, McLean, Oliver | 67 min |
| Jun 27, 9:40 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh | 65 min |
| Jun 27, 9:48 PM CDT | Severe Thunderstorm Warning | BIS | Emmons | 57 min |
| Jun 27, 9:55 PM CDT | Severe Thunderstorm Warning | BIS | Wells | 50 min |
| Jun 27, 10:06 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Oliver | 54 min |
| Jun 27, 10:14 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Sheridan, Wells | 61 min |
| Jun 27, 10:42 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder | 63 min |
| Jun 27, 10:45 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Kidder, Stutsman, Wells | 45 min |
| Jun 27, 11:10 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 65 min |
| Jun 27, 11:29 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Kidder, Stutsman, Wells | 61 min |
| Jun 27, 11:31 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Logan, McIntosh | 32 min |
| Jun 27, 11:43 PM CDT | Severe Thunderstorm Warning | BIS | Emmons | 62 min |
| Jun 27, 11:45 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Kidder, Logan | 27 min |
| Jun 27, 11:48 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Wells | 42 min |
| Jun 28, 12:27 AM CDT | Severe Thunderstorm Warning | BIS | Emmons, Logan, McIntosh | 48 min |
| Jun 28, 1:01 AM CDT | Severe Thunderstorm Warning | BIS | McIntosh | 44 min |
| Jun 28, 3:11 PM CDT | Severe Thunderstorm Warning | FGF | Eddy, Griggs, Nelson | 37 min |
| Jun 28, 3:19 PM CDT | Severe Thunderstorm Warning | BIS | Foster | 26 min |
| Jun 28, 3:34 PM CDT | Severe Thunderstorm Warning | FGF | Griggs | 56 min |
| Jun 28, 4:11 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Nelson, Walsh | 26 min |
| Jun 28, 4:31 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 29 min |
| Jun 28, 5:07 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Traill | 38 min |
| Jun 28, 5:21 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 38 min |
| Jun 28, 5:39 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 47 min |
| Jun 28, 6:21 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Ransom, Richland | 54 min |
| Jun 28, 6:51 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 29 min |
| Jun 28, 7:03 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Richland | 23 min |
| Jun 28, 7:16 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Richland | 59 min |
| Jun 28, 7:55 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 65 min |
| Jun 28, 8:24 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 53 min |
| Jul 3, 8:17 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley, Stark | 58 min |
| Jul 3, 8:50 PM CDT | Severe Thunderstorm Warning | BIS | Bowman, Slope | 35 min |
| Jul 3, 9:12 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Stark | 33 min |
| Jul 3, 9:37 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Stark | 38 min |
| Jul 3, 10:56 PM CDT | Severe Thunderstorm Warning | BIS | Bowman, Golden Valley, Slope | 49 min |
| Jul 3, 11:37 PM CDT | Severe Thunderstorm Warning | BIS | Hettinger, Slope | 34 min |
| Jul 4, 12:15 AM CDT | Severe Thunderstorm Warning | BIS | McLean, Mountrail, Ward | 60 min |
| Jul 4, 1:13 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Mountrail, Renville, Ward | 47 min |
| Jul 4, 2:14 AM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Pembina, Ramsey, Walsh | 46 min |
| Jul 4, 2:51 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Pembina, Walsh | 39 min |
| Jul 4, 2:51 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Pembina, Walsh | 39 min |
| Jul 4, 3:04 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Rolette | 41 min |
| Jul 4, 3:40 AM CDT | Severe Thunderstorm Warning | BIS | Rolette | 27 min |
| Jul 4, 2:28 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 47 min |
| Jul 4, 3:16 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 29 min |
| Jul 4, 3:19 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 41 min |
| Jul 4, 3:24 PM CDT | Severe Thunderstorm Warning | FGF | Griggs, Steele | 66 min |
| Jul 4, 3:43 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass | 47 min |
| Jul 4, 3:53 PM CDT | Severe Thunderstorm Warning | FGF | Griggs, Steele, Traill | 37 min |
| Jul 4, 4:25 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Griggs, Steele, Traill | 50 min |
| Jul 4, 4:29 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Ransom, Richland | 50 min |
| Jul 4, 4:36 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Richland, Sargent | 54 min |
| Jul 4, 4:36 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Richland, Sargent | 54 min |
| Jul 4, 5:17 PM CDT | Severe Thunderstorm Warning | FGF | Traill | 18 min |
| Jul 7, 3:24 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Walsh | 66 min |
| Jul 7, 4:20 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 55 min |
| Jul 7, 4:47 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 58 min |
| Jul 7, 4:55 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Steele | 65 min |
| Jul 7, 5:32 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 32 min |
| Jul 7, 6:03 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 42 min |
| Jul 7, 7:45 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Traill | 30 min |
| Jul 9, 3:49 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger, Sioux | 56 min |
| Jul 9, 4:10 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger | 65 min |
| Jul 9, 4:47 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Hettinger | 58 min |
| Jul 9, 5:44 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger, Morton | 46 min |
| Jul 9, 7:30 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh | 45 min |
| Jul 9, 7:37 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh | 38 min |
| Jul 9, 7:53 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Stutsman | 67 min |
| Jul 9, 8:11 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Kidder, Logan | 49 min |
| Jul 9, 8:21 PM CDT | Severe Thunderstorm Warning | BIS | Logan, McIntosh | 54 min |
| Jul 9, 8:40 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Logan, Stutsman | 50 min |
| Jul 9, 9:12 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Logan, Stutsman | 48 min |
| Jul 9, 9:26 PM CDT | Severe Thunderstorm Warning | FGF | Benson | 49 min |
| Jul 9, 9:29 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Ramsey | 46 min |
| Jul 9, 9:32 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 58 min |
| Jul 9, 9:34 PM CDT | Severe Thunderstorm Warning | BIS | Wells | 41 min |
| Jul 9, 9:49 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 56 min |
| Jul 9, 9:58 PM CDT | Severe Thunderstorm Warning | BIS | Wells | 31 min |
| Jul 9, 10:03 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy | 57 min |
| Jul 9, 10:33 PM CDT | Severe Thunderstorm Warning | FGF | Eddy, Griggs, Nelson | 57 min |
| Jul 9, 10:53 PM CDT | Severe Thunderstorm Warning | FGF | Griggs, Steele | 37 min |
| Jul 10, 6:09 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau | 51 min |
| Jul 10, 6:55 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry | 50 min |
| Jul 10, 7:25 PM CDT | Severe Thunderstorm Warning | BIS | Sheridan, Wells | 50 min |
| Jul 14, 10:22 PM CDT | Severe Thunderstorm Warning | BIS | Wells | 53 min |
| Jul 14, 10:32 PM CDT | Severe Thunderstorm Warning | BIS | Dickey | 58 min |
| Jul 14, 11:02 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Griggs, Nelson, Ramsey | 43 min |
| Jul 14, 11:08 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Wells | 67 min |
| Jul 14, 11:09 PM CDT | Severe Thunderstorm Warning | FGF | Sargent | 66 min |
| Jul 14, 11:11 PM CDT | Severe Thunderstorm Warning | FGF | Eddy | 34 min |
| Jul 14, 11:34 PM CDT | Severe Thunderstorm Warning | BIS | Mercer, Oliver | 56 min |
| Jul 14, 11:38 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Ramsey | 49 min |
| Jul 14, 11:40 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Nelson, Walsh | 50 min |
| Jul 14, 11:56 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Walsh | 34 min |
| Jul 15, 12:24 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Walsh | 51 min |
| Jul 15, 12:56 AM CDT | Severe Thunderstorm Warning | FGF | Pembina, Walsh | 34 min |
| Jul 19, 11:41 PM CDT | Severe Thunderstorm Warning | BIS | Divide | 49 min |
| Jul 20, 4:30 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley | 60 min |
| Jul 20, 5:12 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Hettinger, Slope, Stark | 63 min |
| Jul 20, 6:13 PM CDT | Severe Thunderstorm Warning | BIS | Hettinger, Slope, Stark | 62 min |
| Jul 20, 7:06 PM CDT | Severe Thunderstorm Warning | BIS | Slope | 54 min |
| Jul 20, 7:10 PM CDT | Severe Thunderstorm Warning | BIS | Hettinger, Stark | 65 min |
| Jul 20, 7:25 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley, Slope | 65 min |
| Jul 20, 7:58 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Hettinger, Slope | 62 min |
| Jul 20, 8:09 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Hettinger | 25 min |
| Jul 20, 8:18 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 27 min |
| Jul 20, 8:42 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton | 63 min |
| Jul 20, 8:43 PM CDT | Severe Thunderstorm Warning | BIS | Bowman | 62 min |
| Jul 20, 8:53 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Hettinger | 37 min |
| Jul 20, 9:02 PM CDT | Severe Thunderstorm Warning | BIS | Bowman, Slope | 58 min |
| Jul 20, 9:28 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Hettinger | 31 min |
| Jul 20, 9:39 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman | 51 min |
| Jul 20, 10:06 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman | 54 min |
| Jul 20, 10:11 PM CDT | Severe Thunderstorm Warning | BIS | Divide | 22 min |
| Jul 20, 10:25 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Kidder, Logan | 34 min |
| Jul 21, 4:10 AM CDT | Severe Thunderstorm Warning | FGF | Richland, Sargent | 54 min |
| Jul 21, 11:56 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, McIntosh | 64 min |
| Jul 22, 1:24 AM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton | 66 min |
| Jul 25, 6:38 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 67 min |
| Jul 25, 7:10 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 65 min |
| Jul 25, 7:45 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Mountrail, Williams | 60 min |
| Jul 25, 7:49 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Bowman, Golden Valley, Slope | 56 min |
| Jul 25, 8:22 PM CDT | Severe Thunderstorm Warning | BIS | Burke, McKenzie, Mountrail, Renville, Ward | 53 min |
| Jul 25, 8:40 PM CDT | Severe Thunderstorm Warning | BIS | Bowman, Slope | 65 min |
| Jul 25, 10:56 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Mercer, Morton, Oliver | 64 min |
| Jul 25, 11:04 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Sheridan | 41 min |
| Jul 25, 11:12 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce, Rolette | 48 min |
| Jul 25, 11:29 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Mercer, Oliver | 38 min |
| Jul 26, 12:00 AM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Towner | 60 min |
| Jul 26, 12:05 AM CDT | Severe Thunderstorm Warning | BIS | Sheridan, Wells | 55 min |
| Jul 26, 12:41 AM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder, Sheridan, Wells | 49 min |
| Jul 26, 12:42 AM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Ramsey, Towner | 63 min |
| Jul 26, 1:13 AM CDT | Severe Thunderstorm Warning | BIS | Foster, Kidder, Stutsman, Wells | 62 min |
| Jul 26, 1:18 AM CDT | Severe Thunderstorm Warning | FGF | Eddy | 57 min |
| Jul 26, 1:34 AM CDT | Severe Thunderstorm Warning | BIS | Foster, Stutsman | 56 min |
| Jul 26, 2:03 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Griggs, Nelson, Ramsey | 41 min |
| Jul 26, 2:17 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Grand Forks, Griggs, Nelson, Steele and 1 more | 41 min |
| Jul 26, 2:18 AM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 42 min |
| Jul 26, 2:43 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Nelson | 32 min |
| Jul 26, 2:56 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Grand Forks, Griggs, Nelson, Steele and 1 more | 64 min |
| Jul 26, 10:19 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Grant, Morton, Sioux | 56 min |
| Jul 26, 10:43 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Logan | 47 min |
| Jul 26, 10:51 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Kidder, Morton | 54 min |
| Jul 26, 10:58 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Stutsman | 62 min |
| Jul 26, 11:36 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder, Stutsman | 54 min |
| Jul 27, 12:19 AM CDT | Severe Thunderstorm Warning | BIS | Foster, Kidder, Stutsman, Wells | 56 min |
| Jul 27, 12:25 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Griggs, Nelson, Ramsey | 65 min |
| Jul 27, 12:27 AM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton, Sioux | 48 min |
| Jul 27, 12:29 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Griggs, Steele | 61 min |
| Jul 27, 1:12 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Grand Forks, Griggs, Nelson, Steele and 1 more | 63 min |
| Jul 27, 1:16 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Grand Forks, Griggs, Nelson, Ramsey and 2 more | 59 min |
| Jul 27, 1:32 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Rolette | 43 min |
| Jul 27, 1:34 AM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Hettinger, Slope | 41 min |
| Jul 27, 1:56 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Nelson, Ramsey, Steele, Traill, Walsh | 64 min |
| Jul 27, 2:00 AM CDT | Severe Thunderstorm Warning | BIS | Divide, McKenzie, Williams | 60 min |
| Jul 27, 2:10 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Pierce, Rolette | 65 min |
| Jul 27, 2:12 AM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Grant, Hettinger, Slope, Stark | 48 min |
| Jul 27, 2:35 AM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Stark | 55 min |
| Jul 27, 2:35 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Traill, Walsh | 55 min |
| Jul 27, 2:51 AM CDT | Severe Thunderstorm Warning | BIS | Dunn, Hettinger, Mercer, Morton, Stark | 39 min |
| Jul 27, 2:55 AM CDT | Severe Thunderstorm Warning | BIS | Burke, Divide, McKenzie, Mountrail, Williams | 65 min |
| Jul 27, 3:16 AM CDT | Severe Thunderstorm Warning | BIS | Dunn, Mercer, Morton, Oliver, Stark | 59 min |
| Jul 27, 3:46 AM CDT | Severe Thunderstorm Warning | BIS | Burke, Divide, Mountrail, Renville, Ward | 59 min |
| Jul 27, 3:55 AM CDT | Severe Thunderstorm Warning | BIS | Dunn, McLean, Mercer, Mountrail, Ward | 50 min |
| Jul 27, 4:34 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, McLean, Renville, Ward | 56 min |
| Jul 27, 5:15 AM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce, Sheridan, Wells | 60 min |
| Jul 27, 5:56 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Ramsey, Towner | 64 min |
| Jul 27, 6:08 AM CDT | Severe Thunderstorm Warning | BIS | Pierce, Rolette, Wells | 29 min |
| Jul 28, 5:42 AM CDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley, McKenzie | 63 min |
| Jul 28, 6:34 AM CDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley, McKenzie | 56 min |
| Jul 28, 7:23 AM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Golden Valley, McKenzie, Stark | 67 min |
| Jul 28, 8:02 AM CDT | Severe Thunderstorm Warning | BIS | Dunn, Stark | 73 min |
| Jul 28, 8:56 AM CDT | Severe Thunderstorm Warning | BIS | Dunn, Grant, Mercer, Morton, Oliver, Stark | 64 min |
| Jul 28, 9:59 AM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Grant, Morton, Sioux | 61 min |
| Jul 28, 10:57 AM CDT | Severe Thunderstorm Warning | BIS | Billings, Bowman, Golden Valley, Slope | 63 min |
| Jul 28, 10:58 AM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Morton | 47 min |
| Jul 28, 4:56 PM CDT | Severe Thunderstorm Warning | FGF | Richland, Sargent | 64 min |
| Jul 29, 4:51 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie, McLean, Mountrail | 39 min |
| Jul 29, 5:29 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McLean, Mercer | 61 min |
| Jul 29, 6:30 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Mercer | 45 min |
| Jul 29, 7:43 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley | 62 min |
| Jul 29, 8:21 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Stark | 54 min |
| Aug 5, 5:39 AM CDT | Severe Thunderstorm Warning | BIS | Hettinger, Stark | 51 min |
| Aug 5, 7:17 AM CDT | Severe Thunderstorm Warning | BIS | Grant, Mercer, Morton, Oliver | 45 min |
| Aug 5, 3:56 PM CDT | Severe Thunderstorm Warning | BIS | Kidder | 49 min |
| Aug 5, 4:02 PM CDT | Severe Thunderstorm Warning | BIS | Sheridan | 46 min |
| Aug 5, 4:25 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Logan, McIntosh | 65 min |
| Aug 5, 4:39 PM CDT | Severe Thunderstorm Warning | BIS | Dickey, LaMoure, McIntosh | 51 min |
| Aug 5, 4:44 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Stutsman | 61 min |
| Aug 5, 4:46 PM CDT | Severe Thunderstorm Warning | BIS | Dickey | 59 min |
| Aug 5, 5:34 PM CDT | Severe Thunderstorm Warning | BIS | Dickey, LaMoure, Logan, McIntosh | 41 min |
| Aug 5, 6:12 PM CDT | Severe Thunderstorm Warning | BIS | Dickey, McIntosh | 63 min |
| Aug 5, 6:38 PM CDT | Severe Thunderstorm Warning | BIS | Dickey | 67 min |
| Aug 5, 7:20 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Sargent | 55 min |
| Aug 7, 5:13 PM CDT | Severe Thunderstorm Warning | BIS | Rolette | 62 min |
| Aug 7, 5:15 PM CDT | Severe Thunderstorm Warning | FGF | Towner | 75 min |
| Aug 7, 6:09 PM CDT | Severe Thunderstorm Warning | FGF | Towner | 66 min |
| Aug 7, 6:25 PM CDT | Severe Thunderstorm Warning | BIS | Divide, Williams | 65 min |
| Aug 7, 6:52 PM CDT | Severe Thunderstorm Warning | BIS | Burke | 68 min |
| Aug 7, 7:01 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Divide, Mountrail, Williams | 59 min |
| Aug 7, 7:54 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Renville, Ward | 66 min |
| Aug 7, 7:57 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Divide, Mountrail, Williams | 63 min |
| Aug 7, 8:57 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Mountrail, Renville, Ward | 63 min |
| Aug 7, 9:00 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Burke, Renville, Ward | 60 min |
| Aug 7, 9:11 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley, McKenzie, Williams | 64 min |
| Aug 7, 9:54 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Renville, Ward | 66 min |
| Aug 7, 10:14 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Burke, Dunn, McKenzie, Mountrail, Williams | 61 min |
| Aug 7, 10:48 PM CDT | Severe Thunderstorm Warning | BIS | Bowman, Slope | 57 min |
| Aug 7, 10:53 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley, McKenzie, Slope, Stark | 67 min |
| Aug 7, 10:58 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Pierce, Rolette, Ward | 62 min |
| Aug 7, 11:31 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Hettinger, Slope, Stark | 59 min |
| Aug 7, 11:40 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Hettinger, Slope | 65 min |
| Aug 8, 12:08 AM CDT | Severe Thunderstorm Warning | BIS | Dunn, Grant, Mercer, Morton, Oliver, Stark | 67 min |
| Aug 8, 12:09 AM CDT | Severe Thunderstorm Warning | BIS | McHenry, McLean, Mercer, Ward | 66 min |
| Aug 8, 12:34 AM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger, Sioux | 56 min |
| Aug 8, 12:48 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Cavalier, Ramsey, Towner | 57 min |
| Aug 8, 12:55 AM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder, McLean, Morton, Oliver | 65 min |
| Aug 8, 1:11 AM CDT | Severe Thunderstorm Warning | BIS | Sheridan, Wells | 64 min |
| Aug 8, 1:12 AM CDT | Severe Thunderstorm Warning | BIS | Emmons, Grant, Morton, Sioux | 63 min |
| Aug 8, 1:16 AM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton, Oliver | 31 min |
| Aug 8, 1:39 AM CDT | Severe Thunderstorm Warning | BIS | Kidder | 36 min |
| Aug 8, 1:44 AM CDT | Severe Thunderstorm Warning | BIS | Kidder, Stutsman | 61 min |
| Aug 8, 1:59 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Nelson | 61 min |
| Aug 8, 2:02 AM CDT | Severe Thunderstorm Warning | BIS | Foster, Wells | 58 min |
| Aug 8, 2:25 AM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 48 min |
| Aug 8, 2:41 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Benson, Cass, Eddy, Grand Forks, Griggs and 3 more | 64 min |
| Aug 8, 2:42 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Nelson | 20 min |
| Aug 8, 2:49 AM CDT | Severe Thunderstorm Warning | BIS | Dickey, LaMoure, Logan, McIntosh | 71 min |
| Aug 8, 3:16 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Griggs, Nelson, Steele, Traill | 29 min |
| Aug 8, 3:23 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Griggs, Ransom, Steele, Traill | 37 min |
| Aug 8, 3:34 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Griggs, Nelson, Steele, Traill | 56 min |
| Aug 8, 3:44 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Nelson, Walsh | 46 min |
| Aug 8, 3:55 AM CDT | Severe Thunderstorm Warning | FGF | Cass, Ransom, Richland, Traill | 65 min |
| Aug 8, 3:58 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Steele, Traill | 62 min |
| Aug 8, 4:28 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Walsh | 62 min |
| Aug 8, 4:49 AM CDT | Severe Thunderstorm Warning | FGF | Cavalier, Pembina, Walsh | 56 min |
| Aug 8, 5:27 AM CDT | Severe Thunderstorm Warning | FGF | Pembina | 63 min |
| Aug 13, 6:14 PM CDT | Severe Thunderstorm Warning | BIS | Bowman | 46 min |
| Aug 13, 11:15 PM CDT | Severe Thunderstorm Warning | FGF | Sargent | 30 min |
| Aug 13, 11:43 PM CDT | Severe Thunderstorm Warning | FGF | Sargent | 32 min |
| Aug 13, 11:45 PM CDT | Severe Thunderstorm Warning | FGF | Sargent | 30 min |
| Aug 14, 8:08 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Walsh | 37 min |
| Aug 17, 2:59 AM CDT | Severe Thunderstorm Warning | BIS | Grant, Sioux | 61 min |
| Aug 17, 3:56 AM CDT | Severe Thunderstorm Warning | BIS | Emmons, Grant, Morton, Sioux | 64 min |
| Aug 17, 4:31 AM CDT | Severe Thunderstorm Warning | BIS | Emmons, Sioux | 29 min |
| Aug 17, 4:57 AM CDT | Severe Thunderstorm Warning | BIS | Emmons, Logan, McIntosh | 48 min |
| Aug 17, 8:15 PM CDT | Severe Thunderstorm Warning | BIS | Divide | 45 min |
| Aug 17, 9:30 PM CDT | Severe Thunderstorm Warning | BIS | Divide, Williams | 45 min |
| Aug 17, 9:49 PM CDT | Severe Thunderstorm Warning | BIS | Divide, Williams | 41 min |
| Aug 18, 4:43 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 28 min |
| Aug 18, 5:43 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Griggs, Steele | 32 min |
| Aug 18, 7:17 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure | 43 min |
| Aug 18, 7:41 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 22 min |
| Aug 18, 8:43 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 47 min |
| Aug 21, 5:26 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 34 min |
| Sep 1, 5:43 PM CDT | Severe Thunderstorm Warning | BIS | Hettinger, Stark | 47 min |
| Sep 1, 6:12 PM CDT | Severe Thunderstorm Warning | BIS | Hettinger | 48 min |
| Sep 1, 6:15 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier | 30 min |
| Sep 1, 6:21 PM CDT | Severe Thunderstorm Warning | BIS | Hettinger, Stark | 39 min |
| Sep 1, 6:43 PM CDT | Severe Thunderstorm Warning | FGF | Cavalier | 47 min |
| Sep 1, 6:59 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Hettinger | 25 min |
| Sep 11, 4:35 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau | 40 min |
| Sep 11, 8:33 AM CDT | Severe Thunderstorm Warning | FGF | Towner | 57 min |
| Sep 11, 9:08 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Ramsey, Towner | 67 min |
| Sep 11, 3:12 PM CDT | Severe Thunderstorm Warning | FGF | Towner | 33 min |
| Sep 11, 9:41 PM CDT | Severe Thunderstorm Warning | BIS | McHenry | 49 min |
| Sep 11, 10:18 PM CDT | Severe Thunderstorm Warning | BIS | McHenry | 42 min |
| Sep 11, 10:20 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce | 55 min |
| Sep 11, 11:01 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Pierce | 59 min |
| Sep 11, 11:46 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce | 44 min |
| Sep 12, 12:00 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Pierce, Rolette | 45 min |
| Sep 12, 12:27 AM CDT | Severe Thunderstorm Warning | FGF | Benson | 63 min |
| Sep 12, 12:29 AM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce | 61 min |
| Sep 12, 12:33 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Rolette | 39 min |
| Sep 12, 12:46 AM CDT | Severe Thunderstorm Warning | FGF | Benson | 59 min |
| Sep 12, 1:17 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Towner | 58 min |
| Sep 12, 2:02 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Ramsey, Towner | 58 min |
| Sep 12, 2:34 AM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Nelson, Ramsey, Walsh | 56 min |
| Sep 12, 3:27 AM CDT | Severe Thunderstorm Warning | FGF | Nelson, Ramsey | 63 min |
| Sep 12, 5:40 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Traill | 65 min |
| Sep 12, 4:40 PM CDT | Severe Thunderstorm Warning | BIS | Bowman | 39 min |
| Sep 12, 5:52 PM CDT | Severe Thunderstorm Warning | BIS | Morton, Sioux | 38 min |
| Sep 12, 6:15 PM CDT | Severe Thunderstorm Warning | BIS | Grant | 45 min |
| Sep 12, 6:24 PM CDT | Severe Thunderstorm Warning | BIS | Morton, Sioux | 51 min |
| Sep 12, 6:39 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Sioux | 51 min |
| Sep 12, 8:10 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 65 min |
| Sep 12, 10:42 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie, Mountrail | 48 min |
| Sep 12, 11:56 PM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Mountrail | 28 min |
| Sep 14, 4:15 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, McLean, Sheridan | 60 min |
| Sep 14, 4:41 PM CDT | Severe Thunderstorm Warning | FGF | Cass, Ransom, Richland, Sargent | 64 min |
| Sep 14, 6:08 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Ramsey | 37 min |
| Sep 15, 9:17 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Hettinger | 43 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Grand Forks County40
- Hettinger County35
- Grant County33
- Morton County33
- Steele County32
- Cass County32
- Stutsman County31
- Nelson County30
- Kidder County30
- Traill County29
- Griggs County29
- McHenry County29
- Stark County29
- Wells County27
- Barnes County25
- Burleigh County25
- Billings County25
- Dunn County25
- Benson County25
- Emmons County23
- Slope County22
- Richland County22
- McLean County22
- Sioux County21
- Pierce County21
- Walsh County21
- Adams County20
- Bowman County20
- Ransom County19
- Oliver County19
- Eddy County19
- Logan County18
- Sheridan County18
- Bottineau County18
- Mercer County18
- Ramsey County18
- McKenzie County17
- Ward County17
- Divide County14
- McIntosh County14
The busiest days
Days with the most alerts issued, by UTC date.
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.