083 
WUUS53 KUNR 112216
SVRUNR
SDC063-112315-
/O.NEW.KUNR.SV.W.0258.260811T2216Z-260811T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Rapid City SD
416 PM MDT Tue Aug 11 2026

The National Weather Service in Rapid City has issued a

* Severe Thunderstorm Warning for...
  Northwestern Harding County in northwestern South Dakota...

* Until 515 PM MDT.

* At 416 PM MDT, a severe thunderstorm was located 18 miles north of
  Camp Crook, or 30 miles northwest of Buffalo, 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...
  Camp Crook and Lake Gardner.

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 4590 10404 4566 10346 4543 10404
TIME...MOT...LOC 2215Z 314DEG 21KT 4581 10408

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

SE

596 
WWUS53 KUNR 112234
SVSUNR

Severe Weather Statement
National Weather Service Rapid City SD
434 PM MDT Tue Aug 11 2026

SDC063-112315-
/O.CON.KUNR.SV.W.0258.000000T0000Z-260811T2315Z/
Harding SD-
434 PM MDT Tue Aug 11 2026

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM MDT FOR
NORTHWESTERN HARDING COUNTY...

At 434 PM MDT, a severe thunderstorm was located 12 miles north of
Camp Crook, or 22 miles northwest of Buffalo, moving southeast at 25
mph.

THIS IS A DESTRUCTIVE STORM FOR ABOUT 10 MILES NORTH OF CAMP CROOK
AND 10 MILES WEST-SOUTHWEST OF LADNER.

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

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be severely injured. Expect
         shattered windows, extensive damage to roofs, siding, and
         vehicles.

Locations impacted include...
  Camp Crook and Lake Gardner.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter now inside an interior room on the lowest floor of a
well-built structure. This storm is capable of producing destructive
hail and damaging winds.

&&

LAT...LON 4589 10404 4566 10346 4543 10404
TIME...MOT...LOC 2216Z 315DEG 21KT 4580 10408

THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

SE

113 
WWUS53 KUNR 112250
SVSUNR

Severe Weather Statement
National Weather Service Rapid City SD
450 PM MDT Tue Aug 11 2026

SDC063-112315-
/O.CON.KUNR.SV.W.0258.000000T0000Z-260811T2315Z/
Harding SD-
450 PM MDT Tue Aug 11 2026

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM MDT FOR
WEST CENTRAL HARDING COUNTY...

At 450 PM MDT, a severe thunderstorm was located 9 miles northeast of
Camp Crook, or 16 miles west of Buffalo, moving southeast at 25 mph.

THIS IS A DESTRUCTIVE STORM FOR 15 MILES NORTHWEST OF BUFFALO.

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

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be severely injured. Expect
         shattered windows, extensive damage to roofs, siding, and
         vehicles.

Locations impacted include...
  Camp Crook and Lake Gardner.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter now inside an interior room on the lowest floor of a
well-built structure. This storm is capable of producing destructive
hail and damaging winds.

&&

LAT...LON 4584 10404 4565 10349 4543 10404
TIME...MOT...LOC 2234Z 315DEG 21KT 4572 10397

THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

SE

501 
WWUS53 KUNR 112300
SVSUNR

Severe Weather Statement
National Weather Service Rapid City SD
500 PM MDT Tue Aug 11 2026

SDC063-112315-
/O.CON.KUNR.SV.W.0258.000000T0000Z-260811T2315Z/
Harding SD-
500 PM MDT Tue Aug 11 2026

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM MDT FOR
WEST CENTRAL HARDING COUNTY...

At 500 PM MDT, a severe thunderstorm was located 6 miles east of Camp
Crook, or 15 miles west of Buffalo, 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...
  Camp Crook and Lake Gardner.

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 4584 10404 4565 10349 4543 10404
TIME...MOT...LOC 2250Z 330DEG 23KT 4562 10390

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

SE

870 
WWUS53 KUNR 112312
SVSUNR

Severe Weather Statement
National Weather Service Rapid City SD
512 PM MDT Tue Aug 11 2026

SDC063-112322-
/O.EXP.KUNR.SV.W.0258.000000T0000Z-260811T2315Z/
Harding SD-
512 PM MDT Tue Aug 11 2026

...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 515 PM MDT FOR WEST
CENTRAL HARDING COUNTY...

The Severe Thunderstorm Warning that was previously in effect has
been reissued for Harding County and is in effect until 615 PM MDT.
Please refer to that bulletin for the latest severe weather
information.

A Severe Thunderstorm Watch remains in effect until 800 PM MDT for a
portion of northwest South Dakota.

&&

LAT...LON 4584 10404 4565 10349 4543 10404
TIME...MOT...LOC 2300Z 330DEG 23KT 4556 10386

$$

SE