119  
FNUS63 KFSD 190812  
RFDFSD  
 
RANGELAND FIRE DANGER STATEMENT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
312 AM CDT SUN OCT 19 2025  
   
DISCUSSION
 
 
A BAND OF LIGHT RAIN SHOWERS CONTINUES TO SWEEP THROUGH THE AREA  
THIS AFTERNOON. RAINFALL AMOUNTS HAVE REMAINED LIGHT AT GENERALLY  
LESS THAN 0.10 INCHES. THESE SHOWERS WILL CONTINUE TO PUSH  
SOUTHEASTWARDS BEFORE EXITING THE AREA BY THE EVENING. NORTHWEST  
WINDS CONTINUE TO GUST UP TO 30-40 MPH BUT TEMPERATURES REMAIN IN  
THE 50S WITH HUMIDITY VALUES ONLY DOWN TO 45% AT THE LOWEST. WINDS  
WILL WEAKEN THIS EVENING THOUGH REMAIN MARGINALLY BREEZY THROUGH THE  
NIGHT.  
 
LOW FIRE DANGER IS EXPECTED FOR SUNDAY AS HUMIDITY LEVELS FALL TO  
AROUND 30% WHILE WINDS REMAIN BELOW CRITICAL LEVELS. A COLD FRONT  
WILL PUSH THROUGH THE AREA ON MONDAY, TURNING WINDS TO OUT OF THE  
NORTHWEST IN ITS WAKE. GUSTS UP TO 25 TO 45 MPH ARE POSSIBLE DURING  
THE AFTERNOON HOURS WITH THE STRONGEST WINDS OCCURRING WEST OF I-29.  
HIGHS WILL WARM TO THE 60S, RESULTING IN HUMIDITY VALUES DOWN TO  
ABOUT 40%. DESPITE THE ABOVE CRITICAL THRESHOLD HUMIDITY, HIGH FIRE  
DANGER IS EXPECTED DUE TO THE STRONG WINDS.  
 
ELEVATED FIRE DANGER WILL PERSIST THROUGH TUESDAY DUE TO PERSISTENT  
BREEZY WINDS.  
 
PEOPLE ARE URGED TO EXERCISE EXTREME CARE WITH RESPECT TO OUTDOOR  
ACTIVITIES THAT COULD CAUSE GRASS FIRES. AVOID EQUIPMENT THAT CAN  
CAUSE SPARKS NEAR DRY GRASS OR BRUSH. DO NOT TOSS CIGARETTES ON  
THE GROUND. REPORT NEW FIRES QUICKLY TO THE NEAREST FIRE  
DEPARTMENT OR LAW ENFORCEMENT OFFICE.  
 
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-  
098-NEZ013-014-SDZ038>040-050-052>071-191115-  
LYON-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-CLAY-PLYMOUTH-CHEROKEE-  
BUENA VISTA-WOODBURY-IDA-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-  
PIPESTONE-ROCK-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-UNION-  
   
..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 MONDAY AFTERNOON...THE GRASSLAND FIRE DANGER INDEX  
WILL REACH THE HIGH 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.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab SD Page
The Nexlab IA Page
The Nexlab MN Page
The Nexlab NE Page Main Text Page