391 
WUUS53 KUNR 110513
SVRUNR
SDC055-071-095-110615-
/O.NEW.KUNR.SV.W.0253.260811T0513Z-260811T0615Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Rapid City SD
1113 PM MDT Mon Aug 10 2026

The National Weather Service in Rapid City has issued a

* Severe Thunderstorm Warning for...
  Western Mellette County in south central South Dakota...
  Eastern Jackson County in southwestern South Dakota...
  Southeastern Haakon County in west central South Dakota...

* Until 1215 AM MDT /115 AM CDT/.

* At 1113 PM MDT /1213 AM CDT/, a severe thunderstorm was located 9
  miles southwest of Ottumwa, or 12 miles northeast of Philip, moving
  southeast at 45 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...
  Kadoka, White River, Norris, Midland, Belvidere, Cedar Butte, Corn
  Creek, Black Pipe, Ottumwa, Swift Bear and Nowlin.

This includes Interstate 90 in South Dakota between Mile Markers 149
and 174.

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.

Tornadoes can develop quickly from severe thunderstorms. Seek shelter
immediately in an interior room on the lowest floor of a well-built
structure.

If you observe a tornado, hail, wind damage, or flooding, please
report your observations to the National Weather Service office in
Rapid City via phone, email, or social media, as soon as it is safe
to do so.

&&

LAT...LON 4411 10167 4428 10158 4436 10141 4399 10106
      4384 10106 4386 10105 4385 10099 4383 10098
      4384 10096 4382 10097 4381 10096 4383 10093
      4380 10089 4379 10090 4380 10088 4378 10088
      4379 10086 4356 10064 4341 10138
TIME...MOT...LOC 0511Z 333DEG 39KT 4413 10145

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

$$

KSmith

273 
WWUS53 KUNR 110552
SVSUNR

Severe Weather Statement
National Weather Service Rapid City SD
1152 PM MDT Mon Aug 10 2026

SDC055-071-095-110602-
/O.CAN.KUNR.SV.W.0253.000000T0000Z-260811T0615Z/
Haakon SD-Jackson SD-Mellette SD-
1152 PM MDT Mon Aug 10 2026 /1252 AM CDT Tue Aug 11 2026/

...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR WESTERN MELLETTE,
EASTERN JACKSON, AND SOUTHEASTERN HAAKON 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 has been cancelled. However, small hail is
still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 200 AM MDT /300
AM CDT/ for portions of south central, southwest, and west central
South Dakota.

If you observed hail, wind damage, or flooding, please report your
observations to the National Weather Service office in Rapid City via
phone, email, or social media, as soon as it is safe to do so.

&&

LAT...LON 4411 10167 4428 10158 4436 10141 4399 10106
      4384 10106 4386 10103 4384 10103 4385 10099
      4383 10098 4383 10096 4381 10096 4383 10093
      4381 10090 4381 10091 4379 10090 4380 10088
      4378 10088 4379 10086 4356 10064 4342 10135
TIME...MOT...LOC 0513Z 333DEG 39KT 4410 10143

$$

KSmith