Headline:
Flash Flood Warning issued September 7 at 4:35AM CDT until September 7 at 6:00AM CDT by NWS Sioux Falls SD
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
September 7, 2026 - 2:35am
Expires:
September 7, 2026 - 4:00am
Description:
At 435 AM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between 3
and 4.5 inches of rain have fallen. Additional rainfall amounts up to
0.5 inches are possible in the warned area. Flash flooding is ongoing
or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
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...
Kingsley, Correctionville and Pierson.
Instruction:
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.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
Area Description:
Plymouth, IA; Woodbury, IA
Forcast Office:
NWS Sioux Falls SD
Sender:
w-nws.webmaster@noaa.gov