⚠️ Severe Thunderstorm Warning – St. Charles, MO – Thursday, September 17, 2026

Severe Thunderstorm Warning issued September 17 at 3:38PM CDT until September 17 at 4:30PM CDT by NWS St Louis MO

Details

SVRLSX

The National Weather Service in St Louis has issued a

* Severe Thunderstorm Warning for…
Northwestern Saint Charles County in east central Missouri…

* Until 430 PM CDT.

* At 338 PM CDT, a severe thunderstorm was located over St. Paul.
This storm was stationary.

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…
St. Paul, O’Fallon, St. Peters, Josephville, Lake St. Louis,
Wentzville, Dardenne Prairie, Cottleville and St. Charles around
340 PM CDT.

This includes Interstate 70 in Missouri between exits 210 and 227.

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.