Headline:
Flash Flood Warning issued August 6 at 6:49AM CDT until August 6 at 9:15AM CDT by NWS St Louis MO
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
August 6, 2026 - 4:49am
Expires:
August 6, 2026 - 7:15am
Description:
At 649 AM CDT, most of the heavy rain had ended across Washington
County. Between 2 and 4 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...
Potosi, Anthonies Mill, Mineral Point, Old Mines, Richwoods, Latty,
Shirley and Cadet.
This includes the following State Parks...
Washington State Park.
Instruction:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
Area Description:
Washington, MO
Forcast Office:
NWS St Louis MO
Sender:
w-nws.webmaster@noaa.gov