⚠️ Severe Thunderstorm Warning – Lyman, SD – Tuesday, August 18, 2026

Severe Thunderstorm Warning issued August 18 at 2:20AM CDT until August 18 at 3:00AM CDT by NWS Aberdeen SD

Details

SVRABR

The National Weather Service in Aberdeen has issued a

* Severe Thunderstorm Warning for…
Southeastern Lyman County in central South Dakota…

* Until 300 AM CDT.

* At 220 AM CDT, a severe thunderstorm was located 6 miles west of
Dude Ranch, or 8 miles west of Oacoma, moving southeast at 50 mph.

HAZARD…60 mph wind gusts and quarter size hail.

SOURCE…Radar indicated.

IMPACT…Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.

* This severe thunderstorm will be near…
Dude Ranch and Oacoma around 225 AM CDT.

Instructions

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

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