Alert archive / North Dakota / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 340, NWS Bismarck, ND

September 6, 2026McKenzie County, Mountrail County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Sep 6, 2026, 5:15 PM CDT for McKenzie County, Mountrail County, North Dakota. It was in force for 60 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: Sep 6, 2026, 5:15 PM CDT (22:15 UTC)
Expired: Sep 6, 2026, 6:15 PM CDT
In force: 60 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties McKenzie County, ND, Mountrail County, ND

The radar

The Minot AFB radar (KMBX), 156 km from the middle of the area, began a volume at 22:16 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.

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 Sep 6, 3:32 PM CDT, 1 hour 43 minutes earlier.

Area forecast discussion, Sep 6, 3:32 PM CDT, 1 hour 43 minutes before

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Hazardous weather outlook, Sep 6, 2:49 PM CDT, 2 hours 26 minutes before

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In the hours before

Local storm report, Sep 6, 12:53 PM CDT, 4 hours 22 minutes before

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Special weather statement, Sep 6, 1:10 PM CDT, 4 hours 5 minutes before

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Special weather statement, Sep 6, 1:50 PM CDT, 3 hours 25 minutes before

Special Weather Statement
National Weather Service Bismarck ND
150 PM CDT Sun Sep 6 2026

NDZ004-005-013-061930-
Pierce ND-Rolette ND-Bottineau ND-
150 PM CDT Sun Sep 6 2026

...A STRONG THUNDERSTORM WILL IMPACT ROLETTE...NORTHEASTERN PIERCE
AND NORTHEASTERN BOTTINEAU COUNTIES UNTIL 230 PM CDT...

At 150 PM CDT, Doppler radar was tracking a strong thunderstorm 8
miles south of Dunseith, or 19 miles southeast of Bottineau, moving
northeast at 45 mph.

HAZARD...Wind gusts up to 40 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
  Rolla, Dunseith, Rolette, St. John, Belcourt, International Peace
  Garden, Shell Valley, Mylo, Overly, Thorne, Turtle Mountain,
  Nanson, Butte St. Paul State Recreation Area, Homen State Forest
  and Agate.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the weather situation closely and be alert for threatening
weather conditions.

Torrential rainfall is also occurring with this storm and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4900 10018 4900 9953 4872 9953 4872 9949
      4853 9949 4852 10010 4878 10044 4900 10022
TIME...MOT...LOC 1849Z 226DEG 38KT 4869 10008

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH

Telken

Special weather statement, Sep 6, 2:14 PM CDT, 3 hours 1 minute before

Special Weather Statement
National Weather Service Bismarck ND
214 PM CDT Sun Sep 6 2026

NDZ036-037-062000-
Stutsman ND-Kidder ND-
214 PM CDT Sun Sep 6 2026

...A STRONG THUNDERSTORM WILL IMPACT KIDDER AND SOUTHWESTERN STUTSMAN
COUNTIES UNTIL 3 PM CDT...

At 214 PM CDT, Doppler radar was tracking a strong thunderstorm near
Steele, or 44 miles east of Bismarck, moving northeast at 25 mph.

HAZARD...Wind gusts up to 40 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
  Steele, Medina, Tappen, Pettibone, Dawson, Robinson, Lake Isabel,
  Crystal Springs, Lake Williams, Chase Lake, Horsehead Lake and
  Streeter Memorial.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the weather situation closely and be alert for threatening
weather conditions.

Torrential rainfall is also occurring with this storm and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4663 9980 4672 10008 4696 10008 4726 9979
      4697 9917 4663 9945
TIME...MOT...LOC 1914Z 216DEG 19KT 4685 9985

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH

Telken

Special weather statement, Sep 6, 2:54 PM CDT, 2 hours 21 minutes before

Special Weather Statement
National Weather Service Bismarck ND
254 PM CDT Sun Sep 6 2026

NDZ023-036-037-062030-
Stutsman ND-Wells ND-Kidder ND-
254 PM CDT Sun Sep 6 2026

...A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN WELLS...
NORTHEASTERN KIDDER AND NORTHWESTERN STUTSMAN COUNTIES UNTIL 330 PM
CDT...

At 254 PM CDT, Doppler radar was tracking a strong thunderstorm 10
miles north of Pettibone, or 24 miles southwest of Carrington, moving
northeast at 25 mph.

HAZARD...Wind gusts of 50 to 55 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
  Sykeston.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the weather situation closely and be alert for threatening
weather conditions.

Torrential rainfall is also occurring with this storm and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4733 9964 4750 9943 4737 9927 4733 9927
      4733 9922 4720 9906 4714 9952 4727 9971
TIME...MOT...LOC 1954Z 247DEG 22KT 4726 9956

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 TO 55 MPH

Telken

Special weather statement, Sep 6, 2:56 PM CDT, 2 hours 19 minutes before

Special Weather Statement
National Weather Service Bismarck ND
256 PM CDT Sun Sep 6 2026

NDZ037-062030-
Stutsman ND-
256 PM CDT Sun Sep 6 2026

...A STRONG THUNDERSTORM WILL IMPACT CENTRAL STUTSMAN COUNTY UNTIL
330 PM CDT...

At 256 PM CDT, Doppler radar was tracking a strong thunderstorm 10
miles southwest of Pingree, or 18 miles northwest of Jamestown,
moving northeast at 25 mph.

HAZARD...Wind gusts of 50 to 55 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
  Buchanan, Cleveland and Pingree.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the weather situation closely and be alert for threatening
weather conditions.

Torrential rainfall is also occurring with this storm and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4689 9912 4703 9932 4726 9894 4706 9873
TIME...MOT...LOC 1956Z 247DEG 22KT 4704 9902

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 TO 55 MPH

Telken

The office that day

Everything else NWS Bismarck, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 6, 8:57 AM CDT	Special Weather Statement	BIS	Billings	33 min
Sep 6, 9:23 AM CDT	Special Weather Statement	BIS	Dunn	37 min
Sep 6, 9:48 AM CDT	Severe Thunderstorm Warning	BIS	Dunn, Mercer, Stark	57 min
Sep 6, 9:50 AM CDT	Severe Thunderstorm Warning	BIS	Dunn, Morton, Stark	55 min
Sep 6, 10:03 AM CDT	Special Weather Statement	BIS	Dunn	27 min
Sep 6, 10:32 AM CDT	Severe Thunderstorm Warning	BIS	Mercer, Morton, Oliver, Stark	58 min
Sep 6, 10:48 AM CDT	Special Weather Statement	BIS	Mercer	27 min
Sep 6, 11:02 AM CDT	Special Weather Statement	BIS	McLean	28 min
Sep 6, 11:11 AM CDT	Severe Thunderstorm Warning	BIS	McLean, Mercer	64 min
Sep 6, 11:50 AM CDT	Special Weather Statement	BIS	Mercer	40 min
Sep 6, 12:06 PM CDT	Special Weather Statement	BIS	Morton	39 min
Sep 6, 12:11 PM CDT	Severe Thunderstorm Warning	BIS	Morton	49 min
Sep 6, 12:33 PM CDT	Special Weather Statement	BIS	Burleigh	42 min
Sep 6, 12:53 PM CDT	Areal Flood Advisory	BIS	Burleigh, Morton	2 hr
Sep 6, 1:10 PM CDT	Special Weather Statement	BIS	Bottineau	35 min
Sep 6, 1:50 PM CDT	Special Weather Statement	BIS	Rolette	40 min
Sep 6, 2:14 PM CDT	Special Weather Statement	BIS	Kidder	46 min
Sep 6, 2:54 PM CDT	Special Weather Statement	BIS	Wells	36 min
Sep 6, 2:56 PM CDT	Special Weather Statement	BIS	Stutsman	34 min
Sep 6, 6:02 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie, Williams	43 min
Sep 6, 6:44 PM CDT	Severe Thunderstorm Warning Considerable damage threat	BIS	McKenzie	61 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2026 Every 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.