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Home Return to list Severe Thunderstorm Warning 0271 Issued by the Rapid City Forecast Office
Action: New Issued At: 2026-08-11 22:45:04
062
WUUS53 KUNR 120344
SVRUNR
SDC105-137-120445-
/O.NEW.KUNR.SV.W.0271.260812T0344Z-260812T0445Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Rapid City SD
944 PM MDT Tue Aug 11 2026
The National Weather Service in Rapid City has issued a
* Severe Thunderstorm Warning for...
East Central Perkins County in northwestern South Dakota...
Northwestern Ziebach County in west central South Dakota...
* Until 1045 PM MDT.
* At 944 PM MDT, a severe thunderstorm was located 7 miles northeast
of Meadow, or 24 miles south of Lemmon, moving southeast at 20 mph.
HAZARD...Golf ball size hail.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect damage
to roofs, siding, windows, and vehicles.
* Locations impacted include...
Meadow and Glad Valley.
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.
&&
LAT...LON 4559 10230 4570 10218 4565 10200 4547 10200
4547 10169 4529 10192
TIME...MOT...LOC 0344Z 304DEG 18KT 4560 10210
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH
$$
SE
Action: Continued Issued At: 2026-08-11 23:05:49
578
WWUS53 KUNR 120405
SVSUNR
Severe Weather Statement
National Weather Service Rapid City SD
1005 PM MDT Tue Aug 11 2026
SDC105-137-120445-
/O.CON.KUNR.SV.W.0271.000000T0000Z-260812T0445Z/
Perkins SD-Ziebach SD-
1005 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM MDT
FOR EAST CENTRAL PERKINS AND NORTHWESTERN ZIEBACH COUNTIES...
At 1005 PM MDT, a severe thunderstorm was located 13 miles northwest
of Glad Valley, or 30 miles south of Lemmon, moving southeast at 20
mph.
HAZARD...Two inch hail.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect damage
to roofs, siding, windows, and vehicles.
Locations impacted include...
Glad Valley.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
dangerous hail.
&&
LAT...LON 4548 10216 4565 10200 4547 10200 4547 10169
4529 10192
TIME...MOT...LOC 0344Z 308DEG 19KT 4559 10210
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH
$$
SE
Action: Expired Issued At: 2026-08-11 23:41:06
375
WWUS53 KUNR 120440
SVSUNR
Severe Weather Statement
National Weather Service Rapid City SD
1040 PM MDT Tue Aug 11 2026
SDC105-137-120450-
/O.EXP.KUNR.SV.W.0271.000000T0000Z-260812T0445Z/
Perkins SD-Ziebach SD-
1040 PM MDT Tue Aug 11 2026
...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 1045 PM MDT FOR EAST
CENTRAL PERKINS AND NORTHWESTERN ZIEBACH 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
and gusty winds are still possible with this thunderstorm.
&&
LAT...LON 4548 10216 4565 10200 4547 10200 4547 10169
4529 10192
TIME...MOT...LOC 0405Z 308DEG 19KT 4552 10197
$$
SE
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