566 WWUS83 KUNR 290603 SPSUNR Special Weather Statement National Weather Service Rapid City SD 1203 AM MDT Mon Jun 29 2026 SDZ013-014-031-032-043-073-290630- Haakon SD-Northern Meade Co Plains SD-Pennington Co Plains SD- Ziebach SD-Northern Jackson SD-Southern Meade Co Plains SD- 1203 AM MDT Mon Jun 29 2026 ...A LINE OF STRONG THUNDERSTORMS WILL IMPACT NORTHWESTERN JACKSON... WESTERN HAAKON...SOUTHWESTERN ZIEBACH...EASTERN PENNINGTON AND SOUTHEASTERN MEADE COUNTIES UNTIL 1230 AM MDT... At 1203 AM MDT, Doppler radar was tracking a line of strong thunderstorms extending from over Takini to over Delta 9 Missile Silo, or extending from 29 miles south of Faith to 26 miles west of Philip, moving north at 50 mph. HAZARD...Wind gusts up to 40 mph and half inch size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Pinnacles Ranger Station, Wall, Creighton, Billsburg, Milesville, Delta 9 Missile Silo, southwestern Cheyenne River Reservation, Bridger, Takini, Quinn, Cherry Creek, Howes, Red Scaffold, Grindstone, Intersection of Cherry Creek and Sunnybrook Roads and Grindstone Butte. This includes Interstate 90 in South Dakota between Mile Markers 101 and 123. PRECAUTIONARY/PREPAREDNESS ACTIONS... Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. && LAT...LON 4414 10245 4417 10247 4509 10175 4479 10133 4371 10217 TIME...MOT...LOC 0603Z 199DEG 42KT 4462 10185 4432 10227 4392 10216 MAX HAIL SIZE...0.50 IN MAX WIND GUST...40 MPH $$ Calderon