Active Weather Alerts
Severe Thunderstorm Warning
Issued: 10:53 PM Aug. 21, 2026 – National Weather Service
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM MDT FOR SOUTHEASTERN FALL RIVER AND SOUTHWESTERN OGLALA LAKOTA COUNTIES... At 453 PM MDT, a severe thunderstorm was located 6 miles south of Slim Butte, or 17 miles west of Pine Ridge, moving southeast at 30 mph. HAZARD...Golf 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... Slim Buttes Housing. 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. && THUNDERSTORM DAMAGE THREAT...CONSIDERABLE; HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...1.75 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...60 MPH
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