⚠️ Severe Thunderstorm Warning – Lyman, SD – Sunday, July 19, 2026

Severe Thunderstorm Warning issued July 19 at 7:44PM CDT until July 19 at 8:15PM 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 815 PM CDT.

* At 744 PM CDT, a severe thunderstorm was located 13 miles northwest
of Iona, or 18 miles southwest of Oacoma, moving east at 30 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…
Iona around 805 PM CDT.

Instructions

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

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.