239
WGUS73 KFSD 170252
FFSFSD
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
952 PM CDT TUE SEP 16 2025
IAC167-170302-
/O.CAN.KFSD.FF.W.0025.000000T0000Z-250917T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SIOUX IA-
952 PM CDT TUE SEP 16 2025
...FLASH FLOOD WARNING IS CANCELLED FOR EAST CENTRAL SIOUX COUNTY...
FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO
HEED REMAINING ROAD CLOSURES.
LAT...LON 4330 9570 4331 9562 4326 9557 4317 9564
4314 9566 4313 9567 4312 9570 4311 9573
4313 9578 4316 9579 4322 9577 4329 9572
IAC141-143-170445-
/O.CON.KFSD.FF.W.0025.000000T0000Z-250917T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
O'BRIEN IA-OSCEOLA IA-
952 PM CDT TUE SEP 16 2025
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT THIS
EVENING FOR NORTHWESTERN O'BRIEN AND SOUTH CENTRAL OSCEOLA
COUNTIES...
AT 952 PM CDT, DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO 2.5
INCHES OF RAIN HAVE FALLEN. ADDITIONAL RAINFALL AMOUNTS UP TO 1 INCH
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...
SANBORN, MELVIN AND ARCHER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
LAT...LON 4330 9570 4331 9562 4326 9557 4317 9564
4314 9566 4313 9567 4312 9570 4311 9573
4313 9578 4316 9579 4322 9577 4329 9572
FLASH FLOOD...RADAR AND GAUGE INDICATED
IG
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