Active Weather Alerts
Severe Thunderstorm Warning
Issued: 10:41 PM Aug. 21, 2026 – National Weather Service
The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... Southeastern Fall River County in southwestern South Dakota... Southwestern Oglala Lakota County in southwestern South Dakota... * Until 515 PM MDT. * At 441 PM MDT, a severe thunderstorm was located over Slim Butte, or 21 miles west of Pine Ridge, moving southeast at 30 mph. HAZARD...Golf ball size hail and 70 mph wind gusts. SOURCE...Automated observations. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Slim Butte and Slim Buttes Housing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm has produced widespread damaging winds and is capable of producing dangerous hail. && THUNDERSTORM DAMAGE THREAT...CONSIDERABLE; HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...1.75 IN; WIND THREAT...OBSERVED; MAX WIND GUST...70 MPH
Severe Thunderstorm Warning
Issued: 10:37 PM Aug. 21, 2026 – National Weather Service
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 5 PM MDT FOR SOUTHEASTERN FALL RIVER AND SOUTHWESTERN OGLALA LAKOTA COUNTIES... At 437 PM MDT, a severe thunderstorm was located near Slim Butte, or 23 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 Butte. 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
Local Radar