WUUS53 KUNR 231936 SVRUNR SDC081-103-232030- /O.NEW.KUNR.SV.W.0315.260823T1936Z-260823T2030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Rapid City SD 136 PM MDT Sun Aug 23 2026 The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... Southeastern Lawrence County in west central South Dakota... West Central Pennington County in west central South Dakota... * Until 230 PM MDT. * At 136 PM MDT, a severe thunderstorm was located near Silver City, or 15 miles north of Hill City, moving southeast at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Hill City, Johnson Siding, Nemo, Silver City, Hisega, Mystic, Pactola Reservoir and Sheridan Lake. 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 4413 10371 4422 10354 4420 10347 4419 10345 4414 10345 4414 10341 4406 10335 4389 10358 TIME...MOT...LOC 1936Z 317DEG 10KT 4414 10356 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Helgeson