Severe Thunderstorm Warning

Locations Affected

Silver City, SD ∙ Johnson Siding, SD ∙ Norris Peak, SD ∙ Nemo, SD

Full Alert Message

BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Rapid City SD 204 PM MDT Mon Aug 18 2025 The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... Southwestern Meade County in west central South Dakota... Southeastern Lawrence County in west central South Dakota... West central Pennington County in west central South Dakota... * Until 300 PM MDT. * At 203 PM MDT, a severe thunderstorm was located 3 miles northwest of Nemo, or 13 miles south of Sturgis, moving southeast at 15 mph. HAZARD...Ping pong 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... Black Hawk, Johnson Siding, Nemo, Silver City, Hisega, Pactola Reservoir, Dalton Lake, Roubaix Lake, and Sheridan Lake. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. This storm is producing large quantities of hail. Driving through deep hail is like driving on slushy roads. Slow down and do not brake suddenly. If on or near Pactola Reservoir, get away from the water and move indoors or inside a vehicle. Remember, lightning can strike out to 15 miles from the parent thunderstorm. If you can hear thunder, you are close enough to be struck by lightning. Move to safe shelter now! Do not be caught on the water in a thunderstorm. && LAT...LON 4419 10367 4430 10362 4433 10355 4412 10328 4392 10354 TIME...MOT...LOC 2003Z 336DEG 15KT 4422 10357 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH

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