⚠️ Severe Thunderstorm Warning – Madison, IL; Monroe, IL; St. Clair, IL; St. Louis, MO; St. Louis City, MO – Sunday, August 16, 2026

Severe Thunderstorm Warning issued August 16 at 9:17PM CDT until August 16 at 10:00PM CDT by NWS St Louis MO

Details

SVRLSX

The National Weather Service in St Louis has issued a

* Severe Thunderstorm Warning for…
Southwestern Madison County in southwestern Illinois…
North Central Monroe County in southwestern Illinois…
Northwestern Saint Clair County in southwestern Illinois…
Central Saint Louis County in east central Missouri…
Saint Louis City in east central Missouri…

* Until 1000 PM CDT.

* At 917 PM CDT, a severe thunderstorm was located over Olivette,
moving east at 30 mph.

HAZARD…60 mph wind gusts and small hail.

SOURCE…Radar indicated.

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

* Locations impacted include…
Maryland Heights, Ballwin, Manchester, Hazelwood, Creve Coeur,
Overland, University City, Kirkwood, Ferguson, Clayton, Webster
Groves, St. Louis, Granite City, East St. Louis, Collinsville,
Belleville and Fairview Heights.

This includes the following State Parks…
Frank Holten State Park, Horseshoe Lake State Park and Scott Joplin
Historic Site.

This includes the following highways…
Interstate 64 in Illinois near exit 9. Interstate 44 in Missouri
between exits 276 and 277.

Instructions

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

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