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Flash Flood Warning 0006
Issued by the Sioux Falls Forecast Office

Action Issued Starts Expiration
New 2025-07-23 18:11:39 2025-07-23 18:11:00 2025-07-23 21:15:00
Continued 2025-07-23 18:52:40 2025-07-23 21:15:00
Continued 2025-07-23 20:08:13 2025-07-23 21:15:00
Expired 2025-07-23 21:15:30 2025-07-23 21:15:00


Action: New
Issued At: 2025-07-23 18:11:39

154 
WGUS53 KFSD 232311
FFWFSD
SDC083-099-240215-
/O.NEW.KFSD.FF.W.0006.250723T2311Z-250724T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Sioux Falls SD
611 PM CDT Wed Jul 23 2025

The National Weather Service in Sioux Falls has issued a

* Flash Flood Warning for...
  North Central Lincoln County in southeastern South Dakota...
  Southeastern Minnehaha County in southeastern South Dakota...

* Until 915 PM CDT.

* At 611 PM CDT, 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 4 inches in 1 
  hour. Additional rainfall amounts of 1 to 2 inches are possible in 
  the warned area. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  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...
  Sioux Falls, Brandon, Valley Springs and Rowena.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

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

&&

LAT...LON 4362 9645 4358 9645 4355 9645 4350 9660
      4343 9677 4349 9686 4358 9666

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...2-4 INCHES IN 1 HOUR

$$

SG


Action: Continued
Issued At: 2025-07-23 18:52:40

365 
WGUS73 KFSD 232352
FFSFSD

Flash Flood Statement
National Weather Service Sioux Falls SD
652 PM CDT Wed Jul 23 2025

SDC083-099-240215-
/O.CON.KFSD.FF.W.0006.000000T0000Z-250724T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lincoln SD-Minnehaha SD-
652 PM CDT Wed Jul 23 2025

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM CDT THIS
EVENING FOR NORTH CENTRAL LINCOLN AND SOUTHEASTERN MINNEHAHA
COUNTIES...

At 652 PM CDT, gauge reports indicated thunderstorms producing heavy
rain across the warned area. Between 2 and 3 inches of rain have
fallen. The expected rainfall rate is 2 to 4.5 inches in 1 hour.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area. Flash flooding is already occurring.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Gauges 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...
  Sioux Falls, Brandon, Valley Springs and Rowena.

Beginning to receive public reports of flooding on-going across
southern and eastern Sioux Falls at this time. Do not drive through
flooded roadways!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.

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

&&

LAT...LON 4362 9645 4358 9645 4355 9645 4350 9660
      4343 9677 4349 9686 4358 9666

FLASH FLOOD...GAUGE INDICATED
EXPECTED RAINFALL RATE...2-4.5 INCHES IN 1 HOUR

$$

SG


Action: Continued
Issued At: 2025-07-23 20:08:13

475 
WGUS73 KFSD 240108
FFSFSD

Flash Flood Statement
National Weather Service Sioux Falls SD
808 PM CDT Wed Jul 23 2025

SDC083-099-240215-
/O.CON.KFSD.FF.W.0006.000000T0000Z-250724T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lincoln SD-Minnehaha SD-
808 PM CDT Wed Jul 23 2025

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM CDT THIS 
EVENING FOR NORTH CENTRAL LINCOLN AND SOUTHEASTERN MINNEHAHA 
COUNTIES...

At 808 PM CDT, gauge reports indicated thunderstorms have produced 
heavy rain across the warned area. Between 3 and 4.5 inches of rain 
have fallen. Flooding impacts will continue, but no additional 
rainfall is expected. Flash flooding is already occurring.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Gauges and 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...
  Sioux Falls, Brandon, Valley Springs and Rowena.

Numerous reports of flooding across the southeastern and eastern 
parts of Sioux Falls. A few water rescues have occurred. DO NOT 
drive through flooded roadways!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

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

&&

LAT...LON 4362 9645 4358 9645 4355 9645 4350 9660
      4343 9677 4349 9686 4358 9666

FLASH FLOOD...GAUGE INDICATED

$$

SG


Action: Expired
Issued At: 2025-07-23 21:15:30

397 
WGUS73 KFSD 240214 RRA
FFSFSD

Flash Flood Statement
National Weather Service Sioux Falls SD
914 PM CDT Wed Jul 23 2025

SDC083-099-240224-
/O.EXP.KFSD.FF.W.0006.000000T0000Z-250724T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lincoln SD-Minnehaha SD-
914 PM CDT Wed Jul 23 2025

...FLASH FLOOD WARNING WILL EXPIRE AT 915 PM CDT THIS EVENING FOR 
NORTH CENTRAL LINCOLN AND SOUTHEASTERN MINNEHAHA COUNTIES...

Flood waters are receding. The heavy rain has ended. Flooding is no 
longer expected to pose a threat. Please continue to heed remaining 
road closures. Do not drive through flooded roadways.

&&

LAT...LON 4362 9645 4358 9645 4355 9645 4350 9660
      4343 9677 4349 9686 4358 9666

$$

SG



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