590 
WUUS53 KBIS 112328
SVRBIS
NDC007-025-089-120015-
/O.NEW.KBIS.SV.W.0260.260811T2328Z-260812T0015Z/

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

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
  Central Billings County in southwestern North Dakota...
  Southwestern Dunn County in southwestern North Dakota...
  Northwestern Stark County in southwestern North Dakota...

* Until 615 PM MDT.

* At 528 PM MDT, a severe thunderstorm was located 5 miles west of
  Belfield, or 25 miles west of Dickinson, moving east at 25 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...
  Belfield, South Heart, Fryburg and New Hradec.

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 4682 10348 4697 10349 4706 10288 4677 10289
TIME...MOT...LOC 2328Z 261DEG 21KT 4691 10331

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

$$

Adam

412 
WWUS53 KBIS 112354
SVSBIS

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

NDC007-025-089-120015-
/O.CON.KBIS.SV.W.0260.000000T0000Z-260812T0015Z/
Billings ND-Dunn ND-Stark ND-
554 PM MDT Tue Aug 11 2026

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM MDT FOR
CENTRAL BILLINGS, SOUTHWESTERN DUNN AND NORTHWESTERN STARK
COUNTIES...

At 554 PM MDT, a severe thunderstorm was located 6 miles northwest of
South Heart, or 14 miles west of Dickinson, moving east at 25 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...
  Belfield, South Heart, Fryburg and New Hradec.

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 4681 10339 4699 10335 4706 10288 4677 10289
TIME...MOT...LOC 2328Z 261DEG 21KT 4691 10331

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

$$

Anglin