Alert archive / North Dakota / Severe Thunderstorm Warnings / 2026
Severe Thunderstorm Warnings in North Dakota, August 2026
98 severe thunderstorm warnings in August 2026. 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 August 2026. Tap one for its archive.
- Severe Thunderstorm Warnings
- 98
- Busiest day
- August 12, 202623 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 |
|---|---|---|---|---|
| Aug 3, 5:44 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Walsh | 37 min |
| Aug 3, 6:18 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Nelson | 57 min |
| Aug 6, 7:39 PM CDT | Severe Thunderstorm Warning | FGF | Cass | 66 min |
| Aug 8, 7:23 PM CDT | Severe Thunderstorm Warning | BIS | Emmons | 52 min |
| Aug 8, 7:53 PM CDT | Severe Thunderstorm Warning | BIS | Emmons | 52 min |
| Aug 8, 8:28 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, McIntosh | 32 min |
| Aug 8, 11:16 PM CDT | Severe Thunderstorm Warning | BIS | Emmons | 44 min |
| Aug 10, 9:19 AM CDT | Severe Thunderstorm Warning | BIS | McHenry, McLean, Ward | 41 min |
| Aug 10, 10:00 AM CDT | Severe Thunderstorm Warning | BIS | McHenry, McLean, Ward | 45 min |
| Aug 10, 6:39 PM CDT | Severe Thunderstorm Warning | BIS | Bowman | 66 min |
| Aug 10, 7:23 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman | 52 min |
| Aug 10, 7:38 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman | 37 min |
| Aug 10, 10:30 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Hettinger, Morton, Stark | 45 min |
| Aug 10, 11:15 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger | 60 min |
| Aug 11, 12:18 AM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger, Sioux | 42 min |
| Aug 11, 8:49 AM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 56 min |
| Aug 11, 10:01 AM CDT | Severe Thunderstorm Warning | FGF | Barnes | 44 min |
| Aug 11, 10:34 AM CDT | Severe Thunderstorm Warning | BIS | LaMoure | 46 min |
| Aug 11, 10:38 AM CDT | Severe Thunderstorm Warning | FGF | Barnes, Ransom | 67 min |
| Aug 11, 5:05 PM CDT | Severe Thunderstorm Warning | BIS | Dickey, LaMoure, McIntosh | 65 min |
| Aug 11, 5:34 PM CDT | Severe Thunderstorm Warning | BIS | Dickey | 39 min |
| Aug 11, 5:37 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley, Slope | 68 min |
| Aug 11, 5:47 PM CDT | Severe Thunderstorm Warning | BIS | Bowman | 58 min |
| Aug 11, 5:56 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley | 64 min |
| Aug 11, 6:23 PM CDT | Severe Thunderstorm Warning | BIS | Bowman, Slope | 67 min |
| Aug 11, 6:28 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Stark | 47 min |
| Aug 11, 7:10 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Stark | 65 min |
| Aug 11, 7:13 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Hettinger, Slope, Stark | 62 min |
| Aug 11, 7:26 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Slope | 49 min |
| Aug 11, 7:30 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Hettinger | 60 min |
| Aug 11, 7:41 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 49 min |
| Aug 11, 7:53 PM CDT | Severe Thunderstorm Warning | BIS | Hettinger | 33 min |
| Aug 11, 8:07 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton, Sioux | 53 min |
| Aug 11, 8:21 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Sioux | 39 min |
| Aug 11, 8:46 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Sioux | 59 min |
| Aug 11, 8:55 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Sioux | 36 min |
| Aug 11, 9:15 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton | 45 min |
| Aug 11, 9:29 PM CDT | Severe Thunderstorm Warning | BIS | Adams | 31 min |
| Aug 11, 9:49 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 41 min |
| Aug 11, 10:06 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 24 min |
| Aug 11, 10:20 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Morton | 55 min |
| Aug 11, 10:27 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Logan | 50 min |
| Aug 11, 10:48 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder, Logan | 57 min |
| Aug 11, 11:08 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh | 67 min |
| Aug 11, 11:32 PM CDT | Severe Thunderstorm Warning | BIS | Kidder | 58 min |
| Aug 11, 11:53 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Stutsman | 53 min |
| Aug 12, 2:59 AM CDT | Severe Thunderstorm Warning | FGF | Cass | 46 min |
| Aug 12, 5:29 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Logan, Stutsman | 46 min |
| Aug 12, 5:54 PM CDT | Severe Thunderstorm Warning | BIS | McIntosh | 30 min |
| Aug 23, 4:57 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley, Stark | 63 min |
| Aug 23, 6:00 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Renville, Ward | 44 min |
| Aug 23, 6:12 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Hettinger, Slope | 63 min |
| Aug 23, 8:02 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, McLean | 58 min |
| Aug 24, 5:39 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Stutsman | 66 min |
| Aug 24, 5:52 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Stutsman, Wells | 53 min |
| Aug 24, 6:02 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Stutsman | 58 min |
| Aug 24, 6:13 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder | 33 min |
| Aug 24, 6:19 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Stutsman, Wells | 56 min |
| Aug 24, 6:38 PM CDT | Severe Thunderstorm Warning | BIS | Foster | 67 min |
| Aug 24, 6:49 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Stutsman | 56 min |
| Aug 24, 7:06 PM CDT | Severe Thunderstorm Warning | FGF | Eddy, Griggs, Nelson | 54 min |
| Aug 24, 7:26 PM CDT | Severe Thunderstorm Warning | FGF | Eddy, Nelson | 49 min |
| Aug 24, 7:42 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, LaMoure, Logan, Stutsman | 63 min |
| Aug 24, 7:46 PM CDT | Severe Thunderstorm Warning | FGF | Griggs, Nelson | 32 min |
| Aug 24, 7:47 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 28 min |
| Aug 24, 7:49 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Nelson, Ramsey | 56 min |
| Aug 24, 8:21 PM CDT | Severe Thunderstorm Warning | BIS | Logan, McIntosh | 54 min |
| Aug 24, 8:26 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Stutsman | 64 min |
| Aug 24, 8:28 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Nelson | 47 min |
| Aug 24, 8:36 PM CDT | Severe Thunderstorm Warning | BIS | Dickey, LaMoure, Logan, McIntosh | 54 min |
| Aug 24, 8:58 PM CDT | Severe Thunderstorm Warning | BIS | Dickey, LaMoure | 77 min |
| Aug 24, 9:05 PM CDT | Severe Thunderstorm Warning | BIS | Dickey, McIntosh | 70 min |
| Aug 24, 9:06 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Walsh | 54 min |
| Aug 24, 9:31 PM CDT | Severe Thunderstorm Warning | BIS | McIntosh | 44 min |
| Aug 24, 10:11 PM CDT | Severe Thunderstorm Warning | BIS | Dickey | 35 min |
| Aug 29, 7:51 PM CDT | Severe Thunderstorm Warning | BIS | McIntosh | 33 min |
| Aug 30, 4:13 AM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 62 min |
| Aug 30, 5:13 AM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 62 min |
| Aug 30, 3:39 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Stark | 66 min |
| Aug 30, 3:47 PM CDT | Severe Thunderstorm Warning | BIS | Dunn | 58 min |
| Aug 30, 4:05 PM CDT | Severe Thunderstorm Warning | BIS | Burke, McKenzie, Mountrail, Williams | 55 min |
| Aug 30, 4:41 PM CDT | Severe Thunderstorm Warning | BIS | Dunn, Mercer, Morton, Stark | 64 min |
| Aug 30, 4:46 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Renville, Ward | 59 min |
| Aug 30, 4:50 PM CDT | Severe Thunderstorm Warning | BIS | Mountrail, Ward | 55 min |
| Aug 30, 4:50 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman | 55 min |
| Aug 30, 5:03 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton, Stark | 57 min |
| Aug 30, 5:09 PM CDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley | 66 min |
| Aug 30, 5:20 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Mountrail, Ward | 55 min |
| Aug 30, 5:27 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Hettinger | 63 min |
| Aug 30, 5:42 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Renville, Ward | 63 min |
| Aug 30, 5:58 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton, Stark | 62 min |
| Aug 30, 6:00 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Sioux | 60 min |
| Aug 30, 6:42 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Grant, Morton, Oliver, Sioux | 63 min |
| Aug 30, 7:41 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Morton, Sioux | 49 min |
| Aug 30, 10:11 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Griggs | 64 min |
| Aug 30, 10:15 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Stutsman | 30 min |
| Aug 30, 10:18 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Eddy, Nelson, Ramsey | 57 min |
| Aug 30, 10:54 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Steele | 30 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Grant County12
- Morton County12
- Stutsman County12
- Adams County11
- Emmons County9
- Bowman County9
- Stark County9
- Kidder County9
- McIntosh County8
- Hettinger County8
- Sioux County8
- Nelson County7
- Ward County7
- Billings County7
- LaMoure County6
- Dickey County6
- Dunn County6
- Burleigh County6
- Logan County6
- Grand Forks County5
- Slope County5
- McLean County4
- Golden Valley County4
- Foster County4
- Eddy County4
- McHenry County3
- Barnes County3
- Renville County3
- Griggs County3
- McKenzie County3
- Mountrail County3
- Walsh County2
- Cass County2
- Bottineau County2
- Wells County2
- Benson County2
- Ramsey County2
- Williams County2
- Burke County2
- Ransom County1
3 more counties
Nearby
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.