⚠️ Severe Thunderstorm Warning – Brown, SD; Day, SD; Marshall, SD; Spink, SD – Saturday, July 25, 2026

Severe Thunderstorm Warning issued July 25 at 9:28PM CDT until July 25 at 10:15PM CDT by NWS Aberdeen SD

Details

SVRABR

The National Weather Service in Aberdeen has issued a

* Severe Thunderstorm Warning for…
Southeastern Brown County in northeastern South Dakota…
Day County in northeastern South Dakota…
Southern Marshall County in northeastern South Dakota…
Northeastern Spink County in northeastern South Dakota…

* Until 1015 PM CDT.

* At 928 PM CDT, a severe thunderstorm was located near Groton,
moving east at 50 mph.

HAZARD…70 mph wind gusts and quarter size hail.

SOURCE…Trained spotters reported.

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

* This severe thunderstorm will be near…
Groton around 930 PM CDT.
Andover around 935 PM CDT.
Pierpont around 940 PM CDT.
Bristol around 945 PM CDT.
Holmquist around 950 PM CDT.

Instructions

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 large hail.

Wind damage with this storm will occur before any rain or lightning.
Do not wait for the sound of thunder before taking cover. Seek
shelter immediately inside a sturdy structure and stay away from
windows.

Report severe weather to your nearest law enforcement agency or the
National Weather Service office in Aberdeen SD.

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