004  
WGUS63 KUNR 042202  
FFAUNR  
 
FLOOD WATCH  
NATIONAL WEATHER SERVICE RAPID CITY SD  
402 PM MDT FRI AUG 4 2023  
 
SDZ001-002-012>014-024>032-072>074-WYZ054-056-057-071-051200-  
/O.CON.KUNR.FA.A.0001.000000T0000Z-230806T0000Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
HARDING-PERKINS-BUTTE-NORTHERN MEADE CO PLAINS-ZIEBACH-NORTHERN  
BLACK HILLS-NORTHERN FOOT HILLS-RAPID CITY-SOUTHERN FOOT HILLS-  
CENTRAL BLACK HILLS-SOUTHERN BLACK HILLS-CUSTER CO PLAINS-  
PENNINGTON CO PLAINS-HAAKON-STURGIS/PIEDMONT FOOT HILLS-SOUTHERN  
MEADE CO PLAINS-HERMOSA FOOT HILLS-NORTHERN CAMPBELL-WESTERN  
CROOK-WYOMING BLACK HILLS-NORTHEASTERN CROOK-  
INCLUDING THE CITIES OF BUFFALO, LEMMON, BISON, BELLE FOURCHE,  
FAITH, DUPREE, LEAD, DEADWOOD, BROWNSVILLE, CHEYENNE CROSSING,  
GALENA, NEMO, SPEARFISH, WHITEWOOD, RAPID CITY, EDGEMONT, HOT  
SPRINGS, HILL CITY, MT RUSHMORE, DEERFIELD, HISEGA, MYSTIC,  
PACTOLA RESERVOIR, ROCHFORD, ROCKERVILLE, CUSTER, JEWEL CAVE,  
PRINGLE, CUSTER STATE PARK, WIND CAVE, FOLSOM, BOX ELDER, CAPUTA,  
WALL, PHILIP, STURGIS, PIEDMONT, SUMMERSET, ELLSWORTH AFB, UNION  
CENTER, HERMOSA, BUFFALO GAP, FAIRBURN, GILLETTE, MOORCROFT,  
HULETT, SUNDANCE, ALADDIN, BEULAH, FOUR CORNERS, AND COLONY  
402 PM MDT FRI AUG 4 2023  
   
..FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY AFTERNOON
 
 
* WHAT...FLASH FLOODING CAUSED BY EXCESSIVE RAINFALL CONTINUES TO BE  
POSSIBLE.  
 
* WHERE...PORTIONS OF SOUTH DAKOTA, INCLUDING THE FOLLOWING AREAS,  
BUTTE, CENTRAL BLACK HILLS, CUSTER CO PLAINS, HAAKON, HARDING,  
HERMOSA FOOT HILLS, NORTHERN BLACK HILLS, NORTHERN FOOT HILLS,  
NORTHERN MEADE CO PLAINS, PENNINGTON CO PLAINS, PERKINS, RAPID  
CITY, SOUTHERN BLACK HILLS, SOUTHERN FOOT HILLS, SOUTHERN MEADE CO  
PLAINS, STURGIS/PIEDMONT FOOT HILLS AND ZIEBACH. PORTIONS OF  
WYOMING, INCLUDING THE FOLLOWING AREAS, NORTHEASTERN CROOK,  
NORTHERN CAMPBELL, WESTERN CROOK AND WYOMING BLACK HILLS.  
 
* WHEN...THROUGH SATURDAY AFTERNOON.  
 
* IMPACTS...EXCESSIVE RUNOFF MAY RESULT IN FLOODING OF RIVERS,  
CREEKS, STREAMS, AND OTHER LOW-LYING AND FLOOD-PRONE LOCATIONS.  
FLOODING MAY OCCUR IN POOR DRAINAGE AND URBAN AREAS.  
 
* ADDITIONAL DETAILS...  
- SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO PRODUCE  
HEAVY RAIN ACROSS THE AREA THROUGH THE WEEKEND, ESPECIALLY  
THIS AFTERNOON THROUGH THIS EVENING, AND THEN AGAIN ON  
SATURDAY. WHILE PRECIPITATION AMOUNTS WILL BE HIGHLY  
VARIABLE, TWO TO FOUR INCHES OF RAIN, WITH LOCALLY HIGHER  
AMOUNTS, ARE POSSIBLE IN A SHORT PERIOD OF TIME WITH THE  
STRONGER THUNDERSTORMS. RUNOFF FROM THIS HEAVY RAINFALL MAY  
LEAD TO FLASH FLOODING.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION  
SHOULD FLASH FLOOD WARNINGS BE ISSUED.  
 

 
 

 
 
EAGAN  
 
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