182 
WGUS53 KFSD 280644
FFWFSD
IAC141-167-280815-
/O.NEW.KFSD.FF.W.0010.250728T0644Z-250728T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Sioux Falls SD
144 AM CDT Mon Jul 28 2025

The National Weather Service in Sioux Falls has issued a

* Flash Flood Warning for...
  Northwestern OBrien County in northwestern Iowa...
  Eastern Sioux County in northwestern Iowa...

* Until 315 AM CDT.

* At 144 AM CDT, emergency management reported thunderstorms 
  producing heavy rain in Sheldon, IA. Between 2 and 3 inches of 
  rain have fallen. Additional rainfall amounts up to 1 inch are 
  possible in the warned area. Flash flooding is already occurring.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Emergency management reported.

  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...
  Sheldon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont 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.

&&

LAT...LON 4317 9590 4320 9589 4321 9584 4321 9582
      4320 9580 4319 9577 4318 9576 4316 9576
      4315 9578 4314 9583 4315 9588

FLASH FLOOD...OBSERVED

$$

IG

560 
WGUS73 KFSD 280809
FFSFSD

Flash Flood Statement
National Weather Service Sioux Falls SD
309 AM CDT Mon Jul 28 2025

IAC141-167-280819-
/O.EXP.KFSD.FF.W.0010.000000T0000Z-250728T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OBrien IA-Sioux IA-
309 AM CDT Mon Jul 28 2025

...FLASH FLOOD WARNING WILL EXPIRE AT 315 AM CDT EARLY THIS MORNING 
FOR NORTHWESTERN OBRIEN AND EASTERN SIOUX COUNTIES...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed any remaining road closures.

&&

LAT...LON 4317 9590 4320 9589 4321 9584 4321 9582
      4320 9580 4319 9577 4318 9576 4316 9576
      4315 9578 4314 9583 4315 9588

$$

IG