August 18, 2026

Midwest Storm Chasers

Live Weather Coverage & Severe Storm Reporting

⚠️ Severe Thunderstorm Warning – Harding, SD; Perkins, SD – Monday, August 17, 2026

Event Severe Thunderstorm Warning
Severity Severe
Urgency Immediate
Certainty Observed
Area Harding, SD; Perkins, SD
Effective 8/17/2026, 7:11:00 PM CDT
Expires 8/17/2026, 8:15:00 PM CDT

Severe Thunderstorm Warning issued August 17 at 6:11PM MDT until August 17 at 7:15PM MDT by NWS Rapid City SD

Details

SVRUNR

The National Weather Service in Rapid City has issued a

* Severe Thunderstorm Warning for…
Eastern Harding County in northwestern South Dakota…
West Central Perkins County in northwestern South Dakota…

* Until 715 PM MDT.

* At 611 PM MDT, a severe thunderstorm was located 7 miles southeast
of Ludlow, or 17 miles northeast of Buffalo, moving southeast at 35
mph.

HAZARD…70 mph wind gusts and half dollar size hail.

SOURCE…Radar indicated.

IMPACT…Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.

* Locations impacted include…
Reva, Ralph, Sorum, Prairie City, Slim Buttes and Sheep Buttes.

Instructions

Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
widespread damaging winds and large hail.


This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.