653 
WUUS53 KBIS 120249
SVRBIS
NDC059-120330-
/O.NEW.KBIS.SV.W.0273.260812T0249Z-260812T0330Z/

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

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
  Northeastern Morton County in south central North Dakota...

* Until 1030 PM CDT.

* At 949 PM CDT, a severe thunderstorm was located over Almont, or 28
  miles west of Mandan, moving east at 30 mph.

  HAZARD...Golf ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail
           damage to roofs, siding, windows, and vehicles. Expect
           wind damage to roofs, siding, and trees.

* Locations impacted include...
  New Salem, Almont, St. Anthony, Judson, Fish Creek Dam, Sweet Briar
  Lake 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
dangerous hail and damaging winds.

&&

LAT...LON 4663 10158 4683 10161 4692 10104 4662 10085
      4660 10130 4663 10130
TIME...MOT...LOC 0249Z 250DEG 27KT 4674 10147

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Adam

060 
WWUS53 KBIS 120307
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
1007 PM CDT Tue Aug 11 2026

NDC059-120330-
/O.CON.KBIS.SV.W.0273.000000T0000Z-260812T0330Z/
Morton ND-
1007 PM CDT Tue Aug 11 2026

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR NORTHEASTERN MORTON COUNTY...

At 1007 PM CDT, a severe thunderstorm was located 9 miles southeast
of New Salem, or 18 miles west of Mandan, moving east at 30 mph.

HAZARD...Golf ball size hail and 70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail
         damage to roofs, siding, windows, and vehicles. Expect
         considerable tree damage. Wind damage is also likely to
         mobile homes, roofs, and outbuildings.

Locations impacted include...
  New Salem, Almont, St. Anthony, Judson, Fish Creek Dam, Sweet Briar
  Lake 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 dangerous hail.

&&

LAT...LON 4663 10149 4684 10155 4692 10104 4662 10085
      4660 10130 4663 10130
TIME...MOT...LOC 0249Z 252DEG 25KT 4673 10144

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Adam