⚠️ Severe Thunderstorm Warning – Randolph, IL; Ste. Genevieve, MO – Wednesday, August 12, 2026

Severe Thunderstorm Warning issued August 12 at 6:43PM CDT until August 12 at 7:45PM CDT by NWS St Louis MO

Details

SVRLSX

The National Weather Service in St Louis has issued a

* Severe Thunderstorm Warning for…
Central Randolph County in southwestern Illinois…
Northeastern Sainte Genevieve County in southeastern Missouri…

* Until 745 PM CDT.

* At 643 PM CDT, a severe thunderstorm was located near Ste.
Genevieve, moving southeast at 15 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.

* Locations impacted include…
Prairie Du Rocher, Ruma, Modoc, Kellogg, Evansville, Ste.
Genevieve, Roots, Walsh, Ellis Grove, New Palestine, Blair,
Kaskaskia, Chester, St. Mary and Bremen.

This includes the following State Parks…
Randolph County State Recreation Area and Felix Valle House State
Park.

This includes Interstate 55 in Missouri between exits 141 and 143.

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.