⚠️ Flash Flood Warning – St. Charles, MO – Thursday, June 25, 2026

Flash Flood Warning issued June 25 at 4:18PM CDT until June 25 at 8:15PM CDT by NWS St Louis MO

Details

FFWLSX

The National Weather Service in St Louis has issued a

* Flash Flood Warning for…
Central Saint Charles County in east central Missouri…

* Until 815 PM CDT.

* At 418 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 3 inches of rain
have fallen. Flash flooding is ongoing or expected to begin
shortly.

HAZARD…Flash flooding caused by thunderstorms.

SOURCE…Radar indicated.

IMPACT…Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.

* Some locations that will experience flash flooding include…
O’Fallon, St. Charles, St. Peters, Dardenne Prairie, Weldon Spring,
Cottleville, St. Paul, Weldon Spring Heights, Harvester and
Kampville.

This includes the following State Parks…
First Missouri State Capitol Historic Site.

This includes Interstate 70 in Missouri between exits 216 and 229.

Instructions

Turn around, don’t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

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