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Home Return to list Severe Thunderstorm Warning 0262 Issued by the Bismarck Forecast Office
Action: New Issued At: 2026-08-11 19:13:57
224
WUUS53 KBIS 120013
SVRBIS
NDC007-041-087-089-120115-
/O.NEW.KBIS.SV.W.0262.260812T0013Z-260812T0115Z/
BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
713 PM CDT Tue Aug 11 2026
The National Weather Service in Bismarck has issued a
* Severe Thunderstorm Warning for...
Southeastern Billings County in southwestern North Dakota...
Northwestern Hettinger County in southwestern North Dakota...
Northeastern Slope County in southwestern North Dakota...
Southwestern Stark County in southwestern North Dakota...
* Until 715 PM MDT.
* At 613 PM MDT, a severe thunderstorm was located 12 miles northeast
of Amidon, or 26 miles southwest of Dickinson, moving southeast at
25 mph.
HAZARD...Two inch 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 England and Havelock.
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 4658 10337 4673 10322 4660 10256 4644 10260
4631 10283
TIME...MOT...LOC 0013Z 294DEG 22KT 4662 10318
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Adam
Action: Continued Issued At: 2026-08-11 19:21:27
349
WWUS53 KBIS 120020
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
720 PM CDT Tue Aug 11 2026
NDC007-041-087-089-120115-
/O.CON.KBIS.SV.W.0262.000000T0000Z-260812T0115Z/
Billings ND-Hettinger ND-Slope ND-Stark ND-
620 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT FOR
SOUTHEASTERN BILLINGS, NORTHWESTERN HETTINGER, NORTHEASTERN SLOPE AND
SOUTHWESTERN STARK COUNTIES...
At 620 PM MDT, a severe thunderstorm was located 13 miles northeast
of Amidon, or 25 miles southwest of Dickinson, moving southeast at 25
mph.
HAZARD...Tennis ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
New England and Havelock.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
dangerous hail and damaging winds.
&&
LAT...LON 4658 10337 4673 10322 4660 10256 4644 10260
4631 10283
TIME...MOT...LOC 0013Z 294DEG 22KT 4662 10317
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Adam
Action: Cancelled Issued At: 2026-08-11 19:35:27
821
WWUS53 KBIS 120034 RRA
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
734 PM CDT Tue Aug 11 2026
NDC007-120044-
/O.CAN.KBIS.SV.W.0262.000000T0000Z-260812T0115Z/
Billings ND-
634 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR SOUTHEASTERN BILLINGS
COUNTY...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
&&
LAT...LON 4653 10328 4670 10308 4660 10256 4644 10260
4631 10283
TIME...MOT...LOC 0020Z 294DEG 22KT 4660 10311
$$
NDC041-087-089-120115-
/O.CON.KBIS.SV.W.0262.000000T0000Z-260812T0115Z/
Hettinger ND-Slope ND-Stark ND-
634 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT FOR
NORTHWESTERN HETTINGER, NORTHEASTERN SLOPE AND SOUTHWESTERN STARK
COUNTIES...
At 634 PM MDT, a severe thunderstorm was located 10 miles west of New
England, or 26 miles southwest of Dickinson, moving southeast at 25
mph.
HAZARD...Two inch hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
New England and Havelock.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
dangerous hail and damaging winds.
&&
LAT...LON 4653 10328 4670 10308 4660 10256 4644 10260
4631 10283
TIME...MOT...LOC 0020Z 297DEG 20KT 4660 10317
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Adam
Action: Continued Issued At: 2026-08-11 19:35:27
821
WWUS53 KBIS 120034 RRA
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
734 PM CDT Tue Aug 11 2026
NDC007-120044-
/O.CAN.KBIS.SV.W.0262.000000T0000Z-260812T0115Z/
Billings ND-
634 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR SOUTHEASTERN BILLINGS
COUNTY...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
&&
LAT...LON 4653 10328 4670 10308 4660 10256 4644 10260
4631 10283
TIME...MOT...LOC 0020Z 294DEG 22KT 4660 10311
$$
NDC041-087-089-120115-
/O.CON.KBIS.SV.W.0262.000000T0000Z-260812T0115Z/
Hettinger ND-Slope ND-Stark ND-
634 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT FOR
NORTHWESTERN HETTINGER, NORTHEASTERN SLOPE AND SOUTHWESTERN STARK
COUNTIES...
At 634 PM MDT, a severe thunderstorm was located 10 miles west of New
England, or 26 miles southwest of Dickinson, moving southeast at 25
mph.
HAZARD...Two inch hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
New England and Havelock.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
dangerous hail and damaging winds.
&&
LAT...LON 4653 10328 4670 10308 4660 10256 4644 10260
4631 10283
TIME...MOT...LOC 0020Z 297DEG 20KT 4660 10317
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Adam
Action: Continued Issued At: 2026-08-11 19:51:58
366
WWUS53 KBIS 120051 RRA
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
751 PM CDT Tue Aug 11 2026
NDC089-120101-
/O.CAN.KBIS.SV.W.0262.000000T0000Z-260812T0115Z/
Stark ND-
651 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR SOUTHWESTERN STARK
COUNTY...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled. A Severe Thunderstorm
Warning still remains in effect for northern Stark County.
A Severe Thunderstorm Watch remains in effect until 1200 AM MDT for a
portion of southwest North Dakota.
&&
LAT...LON 4647 10316 4663 10301 4663 10293 4658 10256
4644 10260 4631 10283
TIME...MOT...LOC 0034Z 297DEG 20KT 4656 10307
$$
NDC041-087-120115-
/O.CON.KBIS.SV.W.0262.000000T0000Z-260812T0115Z/
Hettinger ND-Slope ND-
651 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT FOR
NORTHWESTERN HETTINGER AND NORTHEASTERN SLOPE COUNTIES...
At 651 PM MDT, a severe thunderstorm was located near New England, or
28 miles south of Dickinson, moving southeast at 25 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
New England and Havelock.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
dangerous hail and damaging winds.
&&
LAT...LON 4647 10316 4663 10301 4663 10293 4658 10256
4644 10260 4631 10283
TIME...MOT...LOC 0034Z 298DEG 23KT 4653 10301
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Adam
Action: Cancelled Issued At: 2026-08-11 19:51:58
366
WWUS53 KBIS 120051 RRA
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
751 PM CDT Tue Aug 11 2026
NDC089-120101-
/O.CAN.KBIS.SV.W.0262.000000T0000Z-260812T0115Z/
Stark ND-
651 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR SOUTHWESTERN STARK
COUNTY...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled. A Severe Thunderstorm
Warning still remains in effect for northern Stark County.
A Severe Thunderstorm Watch remains in effect until 1200 AM MDT for a
portion of southwest North Dakota.
&&
LAT...LON 4647 10316 4663 10301 4663 10293 4658 10256
4644 10260 4631 10283
TIME...MOT...LOC 0034Z 297DEG 20KT 4656 10307
$$
NDC041-087-120115-
/O.CON.KBIS.SV.W.0262.000000T0000Z-260812T0115Z/
Hettinger ND-Slope ND-
651 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT FOR
NORTHWESTERN HETTINGER AND NORTHEASTERN SLOPE COUNTIES...
At 651 PM MDT, a severe thunderstorm was located near New England, or
28 miles south of Dickinson, moving southeast at 25 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
New England and Havelock.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
dangerous hail and damaging winds.
&&
LAT...LON 4647 10316 4663 10301 4663 10293 4658 10256
4644 10260 4631 10283
TIME...MOT...LOC 0034Z 298DEG 23KT 4653 10301
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Adam
Action: Expired Issued At: 2026-08-11 20:11:58
966
WWUS53 KBIS 120111
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
811 PM CDT Tue Aug 11 2026
NDC041-087-120121-
/O.EXP.KBIS.SV.W.0262.000000T0000Z-260812T0115Z/
Hettinger ND-Slope ND-
711 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 715 PM MDT FOR
NORTHWESTERN HETTINGER AND NORTHEASTERN SLOPE COUNTIES...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However, small hail
is still possible with this thunderstorm.
A Severe Thunderstorm Warning still remains in effect for
southeastern Hettinger County.
A Severe Thunderstorm Watch remains in effect until 1200 AM MDT for a
portion of southwest North Dakota.
&&
LAT...LON 4647 10316 4663 10301 4663 10293 4658 10256
4644 10260 4631 10283
TIME...MOT...LOC 0051Z 298DEG 23KT 4648 10288
$$
Adam
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