335  
FNUS63 KFSD 200806  
RFDFSD  
 
RANGELAND FIRE DANGER STATEMENT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
306 AM CDT TUE OCT 20 2026  
   
DISCUSSION  
 
BREEZY SOUTHERLY WINDS GUSTING AROUND 25 MPH TODAY WEST OF I-29  
MAY LEAD TO SOME LOCALIZED ELEVATED FIRE DANGER IN PARTICULARLY  
DRY AREAS. HOWEVER, MINIMUM HUMIDITY VALUES ABOVE 40% TEMPER  
WIDESPREAD CONCERNS. LOWER HUMIDITY ALONG THE BUFFALO RIDGE  
(AROUND 35%) IS OFFSET FROM STRONGEST WINDS. TODAY REMAINS THE  
COOLEST DAY OF THE WORK WEEK WITH HIGHS IN THE UPPER 60S TO LOWER  
70S.  
 
WARMER TEMPERATURES, DRY CONDITIONS, AND BREEZY TO WINDY  
CONDITIONS CONTINUE THIS WEEK, WITH THE LIGHTEST WINDS WEDNESDAY.  
WINDS AND TEMPERATURES INCREASE THURSDAY, WITH GUSTY SOUTHERLY  
WINDS FRIDAY. ALTHOUGH ISOLATED SHOWERS AND VERY ISOLATED STORMS  
ARE IN THE FORECAST EARLY FRIDAY, ANY RAINFALL AMOUNTS WILL BE  
LIGHT. STRONG WINDS MAY LEAD TO MORE WIDESPREAD CONCERNS.  
 
CHANCES FOR MORE SCATTERED RAIN RETURNS THIS WEEKEND.  
 
MNZ071-072-097-NEZ013-014-SDZ038>040-050-052>070-201115-  
LINCOLN-LYON-PIPESTONE-DIXON-DAKOTA-BEADLE-KINGSBURY-BROOKINGS-  
GREGORY-JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-  
HANSON-MCCOOK-MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-  
BON HOMME-YANKTON-CLAY-  
   
..MODERATE FIRE DANGER  
 
THE GRASSLAND FIRE DANGER INDEX WILL REACH THE MODERATE  
CATEGORY THIS AFTERNOON. 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.  
 
OUTLOOK FOR WEDNESDAY AFTERNOON...THE GRASSLAND FIRE DANGER INDEX  
WILL REACH THE LOW CATEGORY.  
 
THE GRASSLAND FIRE DANGER PRODUCT REFLECTS FIRE DANGER FOR NATIVE  
GRASSES. IT IS NOT INTENDED FOR CURED AGRICULTURAL CROPS, NOR  
WILL IT REFLECT CONDITIONS IN ROAD DITCHES WHICH HAVE BEEN MOWED.  
 
 
 
IAZ001>003-012>014-020>022-031-032-MNZ080-081-089-090-098-SDZ071-  
201115-  
LYON-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-CLAY-PLYMOUTH-CHEROKEE-  
BUENA VISTA-WOODBURY-IDA-MURRAY-COTTONWOOD-NOBLES-JACKSON-ROCK-  
UNION-  
   
..LOW FIRE DANGER  
 
THE GRASSLAND FIRE DANGER INDEX WILL REACH THE LOW CATEGORY  
THIS AFTERNOON. 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  
WITH REASONABLE SAFETY PRECAUTIONS, BUT SHOULD BE MONITORED.  
 
OUTLOOK FOR WEDNESDAY AFTERNOON...THE GRASSLAND FIRE DANGER INDEX  
WILL REACH THE LOW CATEGORY.  
 
THE GRASSLAND FIRE DANGER PRODUCT REFLECTS FIRE DANGER FOR NATIVE  
GRASSES. IT IS NOT INTENDED FOR CURED AGRICULTURAL CROPS, NOR  
WILL IT REFLECT CONDITIONS IN ROAD DITCHES WHICH HAVE BEEN MOWED.  
 
 
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