Alert archive / North Dakota / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 89, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 27, 2026, 6:07 PM MDT for Adams County, Bowman County, Slope County, North Dakota. It was in force for 68 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
- Jun 27, 2026, 6:07 PM MDT (00:07 UTC)
- Expired
- Jun 27, 2026, 7:15 PM MDT
- In force
- 68 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 2.0 in
- Wind
- 70.0 mph
Counties Adams County, ND, Bowman County, ND, Slope County, ND
The radar
The Bismarck radar (KBIS), 194 km from the middle of the area, began a volume at 00:08 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 |
|---|---|---|---|
| Jun 27, 3:05 PM MDT | Tornado Watch | SPC | 11 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 0.1 hours before the alert went out and 199 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1476 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 953 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.9
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Bismarck, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 27, 5:57 PM MDT, 10 minutes earlier.
Area forecast discussion, Jun 27, 5:57 PM MDT, 10 minutes before
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</html>Hazardous weather outlook, Jun 27, 2:40 PM MDT, 3 hours 27 minutes before
Hazardous Weather Outlook National Weather Service Bismarck ND 340 PM CDT Sat Jun 27 2026 NDZ001>005-009-010-012-013-017>020-022-023-025-031>033-035>037- 040>044-046>048-050-051-055>062-282045- Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail- McHenry-Pierce-McKenzie-Dunn-Mercer-Oliver-Sheridan-Wells-Foster- Golden Valley-Billings-Stark-Burleigh-Kidder-Stutsman-Slope- Hettinger-Grant-Bowman-Adams-Emmons-Logan-La Moure-McIntosh- Dickey-Northwest Ward-Central and Southern Ward/Minot Area- Western McLean-Eastern McLean-Western Morton-Eastern Morton- Western Sioux-Eastern Sioux- 340 PM CDT Sat Jun 27 2026 /240 PM MDT Sat Jun 27 2026/ This Hazardous Weather Outlook is for portions of north central North Dakota, northwest North Dakota, south central North Dakota, southeast North Dakota, and southwest North Dakota. .DAY ONE...This Afternoon and Tonight Numerous severe thunderstorms are possible through tonight. Expected hazards include damaging winds to 80 mph, along with a few tornadoes possible. Hail up to tennis ball sized is possible with any discrete storms that form. .DAYS TWO THROUGH SEVEN...Sunday through Friday Isolated to scattered severe thunderstorms are possible Sunday through Monday. .SPOTTER INFORMATION STATEMENT... Spotters are asked to provide reports to the NWS using standard procedures, including through our social media accounts.
In the hours before
Local storm report, Jun 27, 5:57 PM MDT, 10 minutes before
Preliminary Local Storm Report
National Weather Service Bismarck ND
657 PM CDT Sat Jun 27 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0640 PM Hail 6 WNW Mud Buttes 46.05N 103.89W
06/27/2026 M1.00 Inch Bowman ND Emergency Mngr
Emergency manager relayed report of 1 inch
hail; also reports rain and winds up to 25
MPH.
&&
CSDThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 6:09 PM MDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Stark | 66 min |
| Jun 27, 6:33 PM MDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Slope | 42 min |
| Jun 27, 6:34 PM MDT | Tornado Warning | BIS | Billings | 41 min |
| Jun 27, 6:40 PM MDT | Severe Thunderstorm Warning | BIS | Billings, Golden Valley, McKenzie | 65 min |
| Jun 27, 6:48 PM MDT | Severe Thunderstorm Warning | BIS | Adams, Bowman, Hettinger, Slope, Stark | 57 min |
| Jun 27, 7:02 PM MDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Golden Valley, McKenzie, Stark | 58 min |
| Jun 27, 7:14 PM MDT | Tornado Warning | BIS | Adams | 46 min |
| Jun 27, 7:43 PM MDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger, Morton, Sioux, Stark | 62 min |
| Jun 27, 7:45 PM MDT | Severe Thunderstorm Warning | BIS | Divide, McKenzie, Williams | 60 min |
| Jun 27, 7:54 PM MDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger | 51 min |
| Jun 27, 7:55 PM MDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, McKenzie, McLean, Mercer, Morton and 4 more | 65 min |
| Jun 27, 8:35 PM MDT | Severe Thunderstorm Warning | BIS | McLean, Mercer, Morton, Mountrail, Oliver, Ward | 55 min |
| Jun 27, 8:41 PM MDT | Severe Thunderstorm Warning | BIS | Burke, Divide, McKenzie, Mountrail, Ward, Williams | 64 min |
| Jun 27, 8:43 PM MDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger, Morton, Sioux | 62 min |
| Jun 27, 9:27 PM MDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, McLean, Morton, Oliver, Sioux | 63 min |
| Jun 27, 9:29 PM MDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, McLean, Mercer, Oliver, Renville and 1 more | 61 min |
| Jun 27, 9:32 PM MDT | Severe Thunderstorm Warning | BIS | Bottineau, Burke, Divide, Mountrail, Renville, Ward | 58 min |
| Jun 27, 9:44 PM MDT | Tornado Warning | BIS | Burleigh, Morton, Oliver | 31 min |
| Jun 27, 10:06 PM MDT | Tornado Warning | BIS | Burleigh, Emmons | 24 min |
| Jun 27, 10:10 PM MDT | Severe Thunderstorm Warning | BIS | McHenry, Sheridan | 65 min |
| Jun 27, 10:25 PM MDT | Severe Thunderstorm Warning | BIS | Burleigh, Emmons, Kidder, Logan, McIntosh | 65 min |
| Jun 27, 10:29 PM MDT | Tornado Warning | BIS | Burleigh, Emmons, Kidder | 31 min |
| Jun 27, 10:30 PM MDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Renville, Ward | 60 min |
| Jun 27, 10:52 PM MDT | Severe Thunderstorm Warning | BIS | Pierce, Sheridan, Wells | 68 min |
| Jun 27, 11:21 PM MDT | Severe Thunderstorm Warning | BIS | Foster, Kidder, Stutsman | 54 min |
| Jun 28, 12:18 AM MDT | Special Weather Statement | BIS | Foster, Stutsman | 42 min |
| Jun 28, 4:24 PM MDT | Special Weather Statement | BIS | Burke | 21 min |
| Jun 28, 4:32 PM MDT | Severe Thunderstorm Warning | BIS | Burke | 17 min |
| Jun 28, 5:41 PM MDT | Special Weather Statement | BIS | Burke | 34 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.