⚠️ Severe Thunderstorm Warning – Hughes, SD; Lyman, SD; Stanley, SD; Sully, SD – Monday, August 17, 2026

Severe Thunderstorm Warning issued August 17 at 5:39PM CDT until August 17 at 6:45PM CDT by NWS Aberdeen SD

Details

SVRABR

The National Weather Service in Aberdeen has issued a

* Severe Thunderstorm Warning for…
Northwestern Hughes County in central South Dakota…
Northern Lyman County in central South Dakota…
Central Stanley County in central South Dakota…
Southwestern Sully County in central South Dakota…

* Until 645 PM CDT /545 PM MDT/.

* At 539 PM CDT /439 PM MDT/, a severe thunderstorm was located 8
miles northwest of Chantier Creek Recreation Area, or 22 miles
northwest of Fort Pierre, moving southeast at 40 mph.

HAZARD…60 mph wind gusts and small hail.

SOURCE…Radar indicated.

IMPACT…Expect damage to roofs, siding, and trees.

* This severe thunderstorm will be near…
Chantier Creek Recreation Area and Okobojo Point Rec Area around
550 PM CDT.
Oahe Mission Rec Area, Spring Creek Rec Area and Cow Creek Rec Area
around 555 PM CDT.
West Shore Rec Area around 600 PM CDT.
Overlook Rec Area and Grey Goose around 605 PM CDT.

Instructions

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds.

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