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Home Return to list Severe Thunderstorm Warning 0261 Issued by the Bismarck Forecast Office
Action: New Issued At: 2026-08-11 19:10:57
986
WUUS53 KBIS 120010
SVRBIS
NDC007-025-089-120115-
/O.NEW.KBIS.SV.W.0261.260812T0010Z-260812T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
710 PM CDT Tue Aug 11 2026
The National Weather Service in Bismarck has issued a
* Severe Thunderstorm Warning for...
East Central Billings County in southwestern North Dakota...
Southwestern Dunn County in southwestern North Dakota...
Northwestern Stark County in southwestern North Dakota...
* Until 715 PM MDT.
* At 610 PM MDT, a severe thunderstorm was located 9 miles north of
South Heart, or 13 miles northwest 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...
Manning 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 4698 10319 4709 10318 4729 10268 4697 10252
4687 10308
TIME...MOT...LOC 0010Z 252DEG 21KT 4699 10300
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Anglin
Action: Continued Issued At: 2026-08-11 19:16:27
268
WWUS53 KBIS 120016
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
716 PM CDT Tue Aug 11 2026
NDC007-025-089-120115-
/O.CON.KBIS.SV.W.0261.000000T0000Z-260812T0115Z/
Billings ND-Dunn ND-Stark ND-
616 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT FOR
EAST CENTRAL BILLINGS, SOUTHWESTERN DUNN AND NORTHWESTERN STARK
COUNTIES...
At 616 PM MDT, a severe thunderstorm was located 10 miles north of
South Heart, or 12 miles northwest of Dickinson, moving east at 25
mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Manning and New Hradec.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
dangerous hail and damaging winds.
&&
LAT...LON 4687 10308 4698 10319 4709 10318 4729 10268
4697 10252
TIME...MOT...LOC 0010Z 252DEG 21KT 4699 10300
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Anglin
Action: Cancelled Issued At: 2026-08-11 19:34:57
813
WWUS53 KBIS 120034
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
734 PM CDT Tue Aug 11 2026
NDC007-120044-
/O.CAN.KBIS.SV.W.0261.000000T0000Z-260812T0115Z/
Billings ND-
634 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR EAST CENTRAL BILLINGS
COUNTY...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
&&
LAT...LON 4698 10303 4715 10303 4729 10268 4720 10264
4697 10252 4689 10298 4697 10303
TIME...MOT...LOC 0016Z 253DEG 21KT 4700 10295
$$
NDC025-089-120115-
/O.CON.KBIS.SV.W.0261.000000T0000Z-260812T0115Z/
Dunn ND-Stark ND-
634 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT FOR
SOUTHWESTERN DUNN AND NORTHWESTERN STARK COUNTIES...
At 634 PM MDT, a severe thunderstorm was located 11 miles north of
Dickinson, moving east at 25 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Manning and New Hradec.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
dangerous hail and damaging winds.
&&
LAT...LON 4698 10303 4715 10303 4729 10268 4720 10264
4697 10252 4689 10298 4697 10303
TIME...MOT...LOC 0016Z 253DEG 21KT 4700 10295
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Anglin
Action: Continued Issued At: 2026-08-11 19:34:57
813
WWUS53 KBIS 120034
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
734 PM CDT Tue Aug 11 2026
NDC007-120044-
/O.CAN.KBIS.SV.W.0261.000000T0000Z-260812T0115Z/
Billings ND-
634 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR EAST CENTRAL BILLINGS
COUNTY...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
&&
LAT...LON 4698 10303 4715 10303 4729 10268 4720 10264
4697 10252 4689 10298 4697 10303
TIME...MOT...LOC 0016Z 253DEG 21KT 4700 10295
$$
NDC025-089-120115-
/O.CON.KBIS.SV.W.0261.000000T0000Z-260812T0115Z/
Dunn ND-Stark ND-
634 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT FOR
SOUTHWESTERN DUNN AND NORTHWESTERN STARK COUNTIES...
At 634 PM MDT, a severe thunderstorm was located 11 miles north of
Dickinson, moving east at 25 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Manning and New Hradec.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
dangerous hail and damaging winds.
&&
LAT...LON 4698 10303 4715 10303 4729 10268 4720 10264
4697 10252 4689 10298 4697 10303
TIME...MOT...LOC 0016Z 253DEG 21KT 4700 10295
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Anglin
Action: Continued Issued At: 2026-08-11 19:51:58
365
WWUS53 KBIS 120051
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
751 PM CDT Tue Aug 11 2026
NDC089-120101-
/O.CAN.KBIS.SV.W.0261.000000T0000Z-260812T0115Z/
Stark ND-
651 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR NORTHWESTERN STARK
COUNTY...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1200 AM MDT for a
portion of southwest North Dakota.
&&
LAT...LON 4699 10281 4720 10290 4721 10288 4729 10268
4720 10264 4698 10253 4698 10281
TIME...MOT...LOC 0034Z 253DEG 21KT 4704 10280
$$
NDC025-120115-
/O.CON.KBIS.SV.W.0261.000000T0000Z-260812T0115Z/
Dunn ND-
651 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT FOR
SOUTHWESTERN DUNN COUNTY...
At 651 PM MDT, a severe thunderstorm was located 13 miles southeast
of Manning, or 14 miles northeast of Dickinson, moving east at 25
mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Manning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.
&&
LAT...LON 4699 10281 4720 10290 4721 10288 4729 10268
4720 10264 4698 10253 4698 10281
TIME...MOT...LOC 0034Z 253DEG 21KT 4704 10280
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Anglin
Action: Cancelled Issued At: 2026-08-11 19:51:58
365
WWUS53 KBIS 120051
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
751 PM CDT Tue Aug 11 2026
NDC089-120101-
/O.CAN.KBIS.SV.W.0261.000000T0000Z-260812T0115Z/
Stark ND-
651 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR NORTHWESTERN STARK
COUNTY...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1200 AM MDT for a
portion of southwest North Dakota.
&&
LAT...LON 4699 10281 4720 10290 4721 10288 4729 10268
4720 10264 4698 10253 4698 10281
TIME...MOT...LOC 0034Z 253DEG 21KT 4704 10280
$$
NDC025-120115-
/O.CON.KBIS.SV.W.0261.000000T0000Z-260812T0115Z/
Dunn ND-
651 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT FOR
SOUTHWESTERN DUNN COUNTY...
At 651 PM MDT, a severe thunderstorm was located 13 miles southeast
of Manning, or 14 miles northeast of Dickinson, moving east at 25
mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Manning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.
&&
LAT...LON 4699 10281 4720 10290 4721 10288 4729 10268
4720 10264 4698 10253 4698 10281
TIME...MOT...LOC 0034Z 253DEG 21KT 4704 10280
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Anglin
Action: Expired Issued At: 2026-08-11 20:08:28
827
WWUS53 KBIS 120108
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
808 PM CDT Tue Aug 11 2026
NDC025-120118-
/O.EXP.KBIS.SV.W.0261.000000T0000Z-260812T0115Z/
Dunn ND-
708 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 715 PM MDT FOR
SOUTHWESTERN DUNN COUNTY...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
&&
LAT...LON 4699 10281 4720 10290 4721 10288 4729 10268
4720 10264 4698 10253 4698 10281
TIME...MOT...LOC 0051Z 253DEG 21KT 4706 10265
$$
Anglin
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