581  
WWUS73 KUNR 051942  
NPWUNR  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE RAPID CITY SD  
142 PM MDT FRI AUG 5 2022  
 
SDZ046-047-049-060100-  
/O.CON.KUNR.EH.W.0002.000000T0000Z-220806T0100Z/  
MELLETTE-TODD-TRIPP-  
INCLUDING THE CITIES OF WHITE RIVER, MISSION, AND WINNER  
242 PM CDT FRI AUG 5 2022  
 
...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS  
EVENING...  
 
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES UP TO  
108.  
 
* WHERE...TODD COUNTY, MELLETTE COUNTY AND TRIPP COUNTY. THIS  
INCLUDES THE TRIBAL LANDS OF THE ROSEBUD RESERVATION.  
 
* WHEN...UNTIL 8 PM CDT THIS EVENING.  
 
* IMPACTS...EXTREME HEAT AND HUMIDITY WILL SIGNIFICANTLY  
INCREASE THE POTENTIAL FOR HEAT RELATED ILLNESSES,  
PARTICULARLY FOR THOSE WORKING OR PARTICIPATING IN OUTDOOR  
ACTIVITIES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT  
OF THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS. YOUNG  
CHILDREN AND PETS SHOULD NEVER BE LEFT UNATTENDED IN VEHICLES  
UNDER ANY CIRCUMSTANCES.  
 
TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN  
POSSIBLE RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR  
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT  
STROKE. WEAR LIGHTWEIGHT AND LOOSE FITTING CLOTHING WHEN  
POSSIBLE. TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL  
SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT  
REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE  
OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION.  
HEAT STROKE IS AN EMERGENCY! CALL 9 1 1.  
 

 
 

 
 
SDZ014-030>032-041>044-060100-  
/O.CON.KUNR.HT.Y.0008.000000T0000Z-220806T0100Z/  
ZIEBACH-CUSTER CO PLAINS-PENNINGTON CO PLAINS-HAAKON-FALL RIVER-  
OGLALA LAKOTA-JACKSON-BENNETT-  
INCLUDING THE CITIES OF DUPREE, FOLSOM, BOX ELDER, CAPUTA, WALL,  
PHILIP, ARDMORE, OELRICHS, PINE RIDGE, OGLALA, KYLE, KADOKA,  
AND MARTIN  
142 PM MDT FRI AUG 5 2022  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING
 
 
* WHAT...HEAT INDEX VALUES UP TO 103.  
 
* WHERE...PORTIONS OF NORTHWESTERN AND SOUTHWESTERN SOUTH  
DAKOTA. THIS INCLUDES THE TRIBAL LANDS OF THE CHEYENNE RIVER  
RESERVATION AND THE PINE RIDGE RESERVATION.  
 
* WHEN...UNTIL 7 PM MDT THIS EVENING.  
 
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT  
ILLNESSES TO OCCUR.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT  
OF THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS. YOUNG  
CHILDREN AND PETS SHOULD NEVER BE LEFT UNATTENDED IN VEHICLES  
UNDER ANY CIRCUMSTANCES.  
 
TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WHEN  
POSSIBLE RESCHEDULE STRENUOUS ACTIVITIES TO EARLY MORNING OR  
EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT  
STROKE. WEAR LIGHTWEIGHT AND LOOSE FITTING CLOTHING WHEN  
POSSIBLE. TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL  
SAFETY AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT  
REST BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE  
OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED LOCATION.  
HEAT STROKE IS AN EMERGENCY! CALL 9 1 1.  
 

 
 

 
 
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