521  
WGUS43 KFSD 011537  
FLWFSD  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
FLOOD WARNING  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
1037 AM CDT TUE JUL 1 2025  
 
...FORECAST FLOODING CHANGED FROM MINOR TO MODERATE SEVERITY AND  
INCREASED IN DURATION FOR THE FOLLOWING RIVERS IN SOUTH DAKOTA...  
 
BIG SIOUX RIVER NEAR BROOKINGS AFFECTING BROOKINGS AND MOODY  
COUNTIES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 
ADDITIONAL FORECAST INFORMATION IS AVAILABLE AT  
WWW.WEATHER.GOV/SIOUXFALLS.  
 
THE NEXT STATEMENT WILL BE ISSUED BY WEDNESDAY AFTERNOON.  
 

 
 
SDC011-101-021745-  
/O.EXT.KFSD.FL.W.0004.000000T0000Z-250706T1500Z/  
/BRKS2.2.ER.250630T0815Z.250702T1800Z.250705T1500Z.NO/  
1037 AM CDT TUE JUL 1 2025  
   
..FLOOD WARNING NOW IN EFFECT UNTIL LATE SUNDAY MORNING
 
 
* WHAT...MINOR FLOODING IS OCCURRING AND MODERATE FLOODING IS  
FORECAST.  
 
* WHERE...BIG SIOUX RIVER NEAR BROOKINGS.  
 
* WHEN...UNTIL LATE SUNDAY MORNING.  
 
* IMPACTS...AT 11.0 FEET, SOME FARM OUTBUILDINGS BEGIN TO FLOOD.  
 
* ADDITIONAL DETAILS...  
- AT 9:45 AM CDT TUESDAY THE STAGE WAS 10.3 FEET.  
- RECENT ACTIVITY...THE MAXIMUM RIVER STAGE IN THE 24 HOURS  
ENDING AT 9:45 AM CDT TUESDAY WAS 10.4 FEET.  
- FORECAST...THE RIVER IS EXPECTED TO RISE TO A CREST AROUND  
10.8 FEET EARLY TOMORROW AFTERNOON. IT WILL THEN FALL BELOW  
FLOOD STAGE LATE SATURDAY MORNING.  
- FLOOD STAGE IS 9.0 FEET.  
- STAY UP TO DATE WITH THE LATEST RIVER OBSERVATIONS AND  
FORECASTS AT: WWW.WATER.NOAA.GOV  
 

 
 
FLD OBSERVED FORECASTS (1 PM CDT)  
LOCATION STG STG DAY/TIME WED THU FRI  
 
BIG SIOUX RIVER  
BROOKINGS 9.0 10.3 TUE 9 AM 10.8 10.5 9.8  
 

 
 
LAT...LON 4433 9692 4433 9687 4421 9677 4415 9665  
4413 9669 4420 9683  
 

 
 
CHAPMAN  
 
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