Alert archive / North Dakota / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 259, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Aug 11, 2026, 5:23 PM MDT for Bowman County, Slope County, North Dakota. It was in force for 67 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 11, 2026, 5:23 PM MDT (23:23 UTC)
- Expired
- Aug 11, 2026, 6:30 PM MDT
- In force
- 67 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 1.75 in
- Wind
- 60.0 mph
Counties Bowman County, ND, Slope County, ND
The radar
The Bismarck radar (KBIS), 216 km from the middle of the area, began a volume at 23:24 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 11, 4:40 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 6:23 PM MDT | Severe Thunderstorm Warning | BIS | Adams, Bowman | 52 min |
| Aug 10, 6:38 PM MDT | Severe Thunderstorm Warning | BIS | Adams, Bowman | 37 min |
| Aug 10, 9:15 PM MDT | Special Weather Statement | BIS | Stark | 30 min |
| Aug 10, 9:30 PM MDT | Severe Thunderstorm Warning | BIS | Grant, Hettinger, Morton, Stark | 45 min |
| Aug 10, 10:15 PM MDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger | 60 min |
| Aug 10, 11:18 PM MDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger, Sioux | 42 min |
| Aug 11, 7:42 AM MDT | Special Weather Statement | BIS | Stutsman | 33 min |
| Aug 11, 7:49 AM MDT | Severe Thunderstorm Warning | BIS | Stutsman | 56 min |
| Aug 11, 8:59 AM MDT | Special Weather Statement | BIS | Stutsman | 31 min |
| Aug 11, 9:34 AM MDT | Severe Thunderstorm Warning | BIS | LaMoure | 46 min |
| Aug 11, 3:33 PM MDT | Special Weather Statement | BIS | Logan | 27 min |
| Aug 11, 3:59 PM MDT | Special Weather Statement | BIS | Dickey | 31 min |
| Aug 11, 4:05 PM MDT | Severe Thunderstorm Warning | BIS | Dickey, LaMoure, McIntosh | 65 min |
| Aug 11, 4:34 PM MDT | Severe Thunderstorm Warning | BIS | Dickey | 39 min |
| Aug 11, 4:37 PM MDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley, Slope | 68 min |
| Aug 11, 4:47 PM MDT | Severe Thunderstorm Warning | BIS | Bowman | 58 min |
| Aug 11, 4:56 PM MDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley | 64 min |
| Aug 11, 5:28 PM MDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Stark | 47 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 2026Every severe thunderstorm warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.