Flash Flood Warning until July 21 3:30AM

The National Weather Service in St Louis has issued a Flash Flood Warning for the City of St. Louis until 3:30 a.m.

At 12:27 a.m., Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 2 to 3 inches in 1 hour. Additional rainfall amounts of 2 to 4 inches are possible in the warned area. 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the dangers of flooding.

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

Event Type: Announcement
When: Monday, July 21, 2025 at 12:40 AM
Location:
Neighborhood: City-Wide
Ward: Many Wards
Admission: Free.
Contact:
Contact Phone: