⚠️ Severe Thunderstorm Warning – Harding, SD; Perkins, SD – Saturday, June 27, 2026

Severe Thunderstorm Warning issued June 27 at 6:54PM MDT until June 27 at 7:45PM 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…
Western Perkins County in northwestern South Dakota…

* Until 745 PM MDT.

* At 654 PM MDT, severe thunderstorms were located along a line from
9 miles north of Ralph to near Sheep Buttes, or along a line from
32 miles northeast of Buffalo to 29 miles southeast of Buffalo,
moving east at 20 mph.

HAZARD…Tennis ball size hail and 70 mph wind gusts.

SOURCE…Radar indicated.

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…
Reva, Ralph, Lodgepole, Sorum, Prairie City, Date, Slim Buttes and
Sheep Buttes.

Instructions

Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. These storms are capable of producing
widespread damaging winds and dangerous hail.

Tornadoes can develop quickly from severe thunderstorms. Seek shelter
immediately in an interior room on the lowest floor of a well-built
structure.

A Tornado Watch remains in effect until 1100 PM MDT for a portion of
northwest South Dakota.

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