137  
FNUS63 KUNR 200810  
RFDUNR  
 
RANGELAND FIRE DANGER STATEMENT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
210 AM MDT SUN AUG 20 2017  
   
DISCUSSION
 
TODAY WILL BE COOLER AND NOT AS DRY AS YESTERDAY,  
WITH HIGHS IN THE 80S AND MINIMUM RELATIVE HUMIDITY VALUES AROUND  
30 TO 40 PERCENT. EAST TO SOUTHEAST WINDS WILL BECOME BREEZY THIS  
AFTERNOON ACROSS THE WESTERN SOUTH DAKOTA PLAINS. SHOWERS AND  
THUNDERSTORMS ARE EXPECTED LATE TONIGHT INTO MONDAY.  
 
SDZ001-002-012>014-025>027-030>032-041>044-046-047-072>074-210015-  
HARDING-PERKINS-BUTTE-NORTHERN MEADE CO PLAINS-ZIEBACH-  
NORTHERN FOOT HILLS-RAPID CITY-SOUTHERN FOOT HILLS-  
CUSTER CO PLAINS-PENNINGTON CO PLAINS-HAAKON-FALL RIVER-  
OGLALA LAKOTA-JACKSON-BENNETT-MELLETTE-TODD-  
STURGIS/PIEDMONT FOOT HILLS-SOUTHERN MEADE CO PLAINS-  
HERMOSA FOOT HILLS-  
INCLUDING THE CITIES OF BUFFALO, LEMMON, BISON, BELLE FOURCHE,  
FAITH, DUPREE, SPEARFISH, RAPID CITY, EDGEMONT, HOT SPRINGS,  
FOLSOM, WALL, PHILIP, ARDMORE, OELRICHS, PINE RIDGE, OGLALA,  
KYLE, KADOKA, MARTIN, WHITE RIVER, MISSION, STURGIS,  
UNION CENTER, AND HERMOSA  
210 AM MDT SUN AUG 20 2017 /310 AM CDT SUN AUG 20 2017/  
   
..HIGH FIRE DANGER
 
 
THE GRASSLAND FIRE DANGER INDEX WILL REACH THE HIGH CATEGORY THIS  
AFTERNOON. UNFAVORABLE WEATHER CONDITIONS OR A LOW MOISTURE  
CONTENT OF GRASSES, AND OTHER DRY ORGANIC MATERIAL ON THE GROUND,  
INDICATE THAT THERE IS A MODERATE TO HIGH POTENTIAL FOR A FIRE  
OCCURRENCE. 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 MONDAY AFTERNOON, THE GRASSLAND FIRE DANGER INDEX  
WILL REACH THE MODERATE CATEGORY TO HIGH CATEGORY.  
 

 
 
SDZ049-210015-  
TRIPP-  
INCLUDING THE CITY OF WINNER  
310 AM CDT SUN AUG 20 2017  
   
..MODERATE FIRE DANGER
 
 
THE GRASSLAND FIRE DANGER INDEX WILL REACH THE MODERATE CATEGORY  
THIS AFTERNOON. MARGINAL WEATHER CONDITIONS OR A LOWERING  
MOISTURE CONTENT OF GRASSES, AND OTHER DRY ORGANIC MATERIAL ON  
THE GROUND, INDICATE THAT THERE IS SOME POTENTIAL FOR A FIRE  
OCCURRENCE. DO NOT LEAVE OUTDOOR FIRES UNATTENDED UNDER THESE  
CONDITIONS.  
 
THE OUTLOOK FOR MONDAY AFTERNOON, THE GRASSLAND FIRE DANGER INDEX  
WILL REACH THE LOW CATEGORY.  
 

 
 
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