⚠️ Severe Thunderstorm Warning – Crawford, MO; Jefferson, MO; Washington, MO – Wednesday, August 12, 2026

Severe Thunderstorm Warning issued August 12 at 5:43PM CDT until August 12 at 6:45PM CDT by NWS St Louis MO

Details

SVRLSX

The National Weather Service in St Louis has issued a

* Severe Thunderstorm Warning for…
Northeastern Crawford County in east central Missouri…
Jefferson County in east central Missouri…
Northern Washington County in east central Missouri…

* Until 645 PM CDT.

* At 543 PM CDT, severe thunderstorms were located along a line from
5 miles south of Pacific to near Bourbon, moving southeast at 45
mph.

HAZARD…60 mph wind gusts and small hail.

SOURCE…Radar indicated.

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

* Locations impacted include…
Sullivan, Bourbon, Dittmer, Cedar Hill Lakes, Cedar Hill,
Richwoods, Byrnes Mill, House Springs, Anthonies Mill, Hillsboro,
De Soto, Antonia, Barnhart, Olympian Village, Horine, Pevely,
Herculaneum, Festus and Crystal City.

This includes the following State Parks…
Washington State Park, Mastodon Historic Site, Sandy Creek Covered
Bridge Historic Site and Gov. Dunklin’s Grave Historic Site.

This includes the following highways…
Interstate 44 in Missouri near exit 218. Interstate 55 in Missouri
between exits 170 and 187.

Instructions

Seek shelter inside a well-built structure and stay away from
windows. These storms are capable of producing damaging winds.

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