740
WGUS83 KFSD 231447
FLSFSD

Flood Statement
National Weather Service Sioux Falls SD
947 AM CDT Sat Aug 23 2025

...The Flood Warning continues for the following rivers in South
Dakota...

  James River at Huron affecting Beadle County.

  Big Sioux River near Bruce affecting Brookings County.

  Big Sioux River near Estelline affecting Brookings and Hamlin
  Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

Additional forecast information is available at
www.weather.gov/siouxfalls.

The next statement will be issued by Sunday afternoon.

&&

SDC005-241700-
/O.EXT.KFSD.FL.W.0016.000000T0000Z-250825T1800Z/
/HURS2.1.ER.250822T1641Z.250823T0830Z.250824T1800Z.NO/
947 AM CDT Sat Aug 23 2025

...FLOOD WARNING NOW IN EFFECT UNTIL EARLY MONDAY AFTERNOON...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...James River at Huron.

* WHEN...Until early Monday afternoon.

* IMPACTS...At 11.5 feet, Rural and agricultural areas begin to
  experience flooding

* ADDITIONAL DETAILS...
  - At 9:00 AM CDT Saturday the stage was 11.9 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 9:00 AM CDT Saturday was 12.0 feet.
  - Forecast...The river is expected to fall below flood stage
    early tomorrow afternoon and continue falling to 10.5 feet
    Saturday, August 30.
  - Flood stage is 11.5 feet.
  - Stay up to date with the latest river observations and
    forecasts at: www.water.noaa.gov

&&

           Fld    Observed          Forecasts (7 am CDT)
Location   Stg    Stg    Day/Time   Sun   Mon   Tue

James River
Huron      11.5   11.9   Sat 9 am   11.6  11.1  10.8


&&

LAT...LON 4463 9832 4463 9820 4445 9806 4436 9815
      4420 9807 4420 9819 4437 9826 4445 9818


$$

SDC011-241700-
/O.CON.KFSD.FL.W.0015.000000T0000Z-000000T0000Z/
/BRCS2.2.ER.250818T0245Z.250820T1500Z.000000T0000Z.NO/
947 AM CDT Sat Aug 23 2025

...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Minor flooding is occurring.

* WHERE...Big Sioux River near Bruce.

* WHEN...Until further notice.

* IMPACTS...At 9.5 feet, The right bank overflows flooding
  agricultural lands for as much as 1/4 mile.

* ADDITIONAL DETAILS...
  - At 8:45 AM CDT Saturday the stage was 8.8 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 8:45 AM CDT Saturday was 9.5 feet.
  - Forecast...No forecast is available for this location.
  - Flood stage is 8.0 feet.
  - Stay up to date with the latest river observations and
    forecasts at: www.water.noaa.gov

&&

               Fld    Observed          Forecasts (unknown time)
Location       Stg    Stg    Day/Time   d1    d2    d3

Big Sioux River
Bruce          8.0    8.8    Sat 8 am   MSG   MSG   MSG


&&

LAT...LON 4450 9690 4450 9684 4449 9685 4440 9689
      4433 9687 4433 9692 4442 9693


$$

SDC011-057-241700-
/O.CON.KFSD.FL.W.0014.000000T0000Z-000000T0000Z/
/BSES2.2.ER.250817T0740Z.250819T0300Z.000000T0000Z.UU/
947 AM CDT Sat Aug 23 2025

...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Minor flooding is occurring.

* WHERE...Big Sioux River near Estelline.

* WHEN...Until further notice.

* IMPACTS...At 1645.5 feet, widespread flooding of agricultural
  lands begins.

* ADDITIONAL DETAILS...
  - At 9:00 AM CDT Saturday the stage was 1644.8 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 9:00 AM CDT Saturday was 1644.8 feet.
  - Forecast...No forecast is available for this location.
  - Flood stage is 1644.0 feet.
  - Stay up to date with the latest river observations and
    forecasts at: www.water.noaa.gov

&&

               Fld    Observed          Forecasts (unknown time)
Location       Stg    Stg    Day/Time   d1    d2    d3

Big Sioux River
Estelline      1644.0 1644.8 Sat 9 am   MSG   MSG   MSG


&&

LAT...LON 4462 9700 4463 9696 4450 9684 4450 9690


$$

Chapman