571  
FNUS63 KABR 091617  
RFDABR  
 
RANGELAND FIRE DANGER STATEMENT  
NATIONAL WEATHER SERVICE ABERDEEN SD  
1117 AM CDT WED SEP 9 2026  
   
DISCUSSION
 
 
NORTHWEST WINDS SHIFT TO THE SOUTHWEST ON THURSDAY. STRONGEST WIND  
GUSTS AROUND 25 MPH TODAY DO NOT COINCIDE WITH LOWEST RH KEEPING THE  
REGION BELOW RED FLAG CRITERIA. HOWEVER, ON THURSDAY, AREAS WEST  
RIVER, PARTICULARY IN CORSON COUNTY, MAY SEE CONDITIONS ALIGN  
BRIEFLY IN THE AFTERNOON.  
 
ON THE DRIER SOUTHWEST FLOW ON THURSDAY, MIN RH IS EXPECTED TO FALL  
BETWEEN 15 AND 25 PERCENT WEST RIVER. ON FRIDAY, WINDS SHIFT TO THE  
NORTH BEHIND A COLD FRONT. GUSTS OF 30 TO 40 MPH ARE EXPECTED.  
LOWEST MIN RH WILL FALL TO 15 TO 25 PERCENT SOUTH OF PIERRE.  
 
SDZ003-015-033-045-100630-  
CORSON-DEWEY-STANLEY-JONES-  
INCLUDING THE CITIES OF MCINTOSH, ISABEL, FORT PIERRE, AND MURDO  
1117 AM CDT WED SEP 9 2026 /1017 AM MDT WED SEP 9 2026/  
   
..HIGH FIRE DANGER
 
 
UNFAVORABLE WEATHER CONDITIONS AND LOW MOISTURE CONTENT OF GRASSES,  
AND OTHER DRY ORGANIC MATERIAL ON THE GROUND, INDICATE THAT THERE  
IS HIGH POTENTIAL FOR A FIRE TO SPREAD. OUTDOOR BURNING SHOULD BE  
RESTRICTED TO EARLY MORNING OR EVENING HOURS WHEN WIND SPEEDS ARE  
USUALLY LOWER AND THE RELATIVE HUMIDITY IS HIGHER.  
 
THE OUTLOOK FOR THURSDAY AFTERNOON...THE GRASSLAND FIRE DANGER INDEX  
WILL REACH THE MODERATE TO HIGH CATEGORY.  
 

 
 
SDZ004-005-009-010-016-017-034>037-048-100630-  
CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-POTTER-FAULK-SULLY-HUGHES-HYDE-  
HAND-LYMAN-  
INCLUDING THE CITIES OF HERREID, EUREKA, MOBRIDGE, IPSWICH,  
GETTYSBURG, FAULKTON, ONIDA, PIERRE, HIGHMORE, MILLER, AND KENNEBEC  
1117 AM CDT WED SEP 9 2026  
   
..MODERATE FIRE DANGER
 
 
MARGINAL WEATHER CONDITIONS OR LOWERING MOISTURE CONTENT OF GRASSES,  
AND OTHER DRY ORGANIC MATERIAL ON THE GROUND, INDICATE THAT THERE IS  
SOME POTENTIAL FOR A FIRE TO SPREAD. ANY OUTDOOR BURNING SHOULD BE  
CLOSELY MONITORED.  
 
THE OUTLOOK FOR THURSDAY AFTERNOON...THE GRASSLAND FIRE DANGER INDEX  
WILL REACH THE MODERATE TO HIGH CATEGORY.  
 

 
 
MNZ039-046-SDZ006>008-011-018>023-051-100630-  
TRAVERSE-BIG STONE-BROWN-MARSHALL-ROBERTS-DAY-SPINK-CLARK-CODINGTON-  
GRANT-HAMLIN-DEUEL-BUFFALO-  
INCLUDING THE CITIES OF WHEATON, ORTONVILLE, ABERDEEN, BRITTON,  
SISSETON, WEBSTER, REDFIELD, CLARK, WATERTOWN, MILBANK, HAYTI,  
CLEAR LAKE, AND FORT THOMPSON  
1117 AM CDT WED SEP 9 2026  
   
..LOW FIRE DANGER
 
 
FAVORABLE WEATHER CONDITIONS OR A HIGH MOISTURE CONTENT OF GRASSES,  
AND OTHER DRY ORGANIC MATERIAL ON THE GROUND, INDICATE THAT THE  
PROBABILITY OF A FAST MOVING FIRE IS LOW. OUTDOOR BURNING UNDER  
THESE CONDITIONS CAN USUALLY BE PERFORMED WITH REASONABLE SAFETY  
PRECAUTIONS, BUT SHOULD BE MONITORED.  
 
THE OUTLOOK FOR THURSDAY AFTERNOON...THE GRASSLAND FIRE DANGER INDEX  
WILL REACH THE LOW TO MODERATE CATEGORY.  
 

 
 
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