467 
WUUS53 KBIS 120320
SVRBIS
NDC015-029-059-120415-
/O.NEW.KBIS.SV.W.0275.260812T0320Z-260812T0415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
1020 PM CDT Tue Aug 11 2026

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
  Southwestern Burleigh County in south central North Dakota...
  Northwestern Emmons County in south central North Dakota...
  Northeastern Morton County in south central North Dakota...

* Until 1115 PM CDT.

* At 1020 PM CDT, a severe thunderstorm was located 7 miles north of
  St. Anthony, or 8 miles southwest of Bismarck, moving east at 25
  mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect considerable
           tree damage. Wind damage is also likely to mobile homes,
           roofs, and outbuildings.

* Locations impacted include...
  Bismarck, Mandan, Lincoln, Menoken, St. Anthony, University Of
  Mary, Fort Abraham Lincoln State Park, Mcdowell Dam Recreation
  Area, Huff, Double Ditch Indian Village, Stumpf State Natural Area
  and Crown Butte Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
widespread damaging winds and large hail.

&&

LAT...LON 4652 10111 4689 10125 4701 10057 4678 10039
      4654 10031
TIME...MOT...LOC 0320Z 258DEG 20KT 4671 10087

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Adam

844 
WWUS53 KBIS 120340
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
1040 PM CDT Tue Aug 11 2026

NDC015-029-059-120415-
/O.CON.KBIS.SV.W.0275.000000T0000Z-260812T0415Z/
Burleigh ND-Emmons ND-Morton ND-
1040 PM CDT Tue Aug 11 2026

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT
FOR SOUTHWESTERN BURLEIGH, NORTHWESTERN EMMONS AND NORTHEASTERN
MORTON COUNTIES...

At 1040 PM CDT, a severe thunderstorm was located 5 miles southeast
of Mandan, or near Bismarck, moving east at 20 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to
         roofs, siding, and trees.

Locations impacted include...
  Bismarck, Mandan, Lincoln, Menoken, St. Anthony, University Of
  Mary, Fort Abraham Lincoln State Park, Mcdowell Dam Recreation
  Area, Huff, Double Ditch Indian Village, Stumpf State Natural Area
  and Crown Butte Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.

&&

LAT...LON 4652 10111 4689 10125 4701 10057 4678 10039
      4654 10031
TIME...MOT...LOC 0320Z 252DEG 17KT 4674 10097

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Adam

977 
WWUS53 KBIS 120415
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
1115 PM CDT Tue Aug 11 2026

NDC015-029-059-120425-
/O.EXP.KBIS.SV.W.0275.000000T0000Z-260812T0415Z/
Burleigh ND-Emmons ND-Morton ND-
1115 PM CDT Tue Aug 11 2026

...SEVERE THUNDERSTORM WARNING HAS EXPIRED FOR SOUTHWESTERN BURLEIGH,
NORTHWESTERN EMMONS AND NORTHEASTERN MORTON COUNTIES...

The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire. A Severe
Thunderstorm Warning still remains in effect for northern Burleigh
County.

A Severe Thunderstorm Watch remains in effect until 100 AM CDT for a
portion of south central North Dakota.

&&

LAT...LON 4652 10111 4689 10125 4701 10057 4678 10039
      4654 10031
TIME...MOT...LOC 0340Z 252DEG 17KT 4676 10084

$$

Adam