275  
WWUS75 KBOI 122001  
NPWBOI  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BOISE ID  
201 PM MDT TUE AUG 12 2025  
 
ORZ064-130615-  
/O.EXT.KBOI.HT.Y.0007.000000T0000Z-250814T0300Z/  
OREGON LOWER TREASURE VALLEY-  
INCLUDING THE CITIES OF NYSSA AND ONTARIO  
201 PM MDT TUE AUG 12 2025 /101 PM PDT TUE AUG 12 2025/  
   
..HEAT ADVISORY NOW IN EFFECT UNTIL 9 PM MDT /8 PM PDT/ WEDNESDAY
 
 
* WHAT...TEMPERATURES UP TO 103.  
 
* WHERE...OREGON LOWER TREASURE VALLEY.  
 
* WHEN...UNTIL 9 PM MDT /8 PM PDT/ WEDNESDAY.  
 
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES, ESPECIALLY  
FOR THE YOUNG, ELDERLY, AND ANIMALS.  
 
* ADDITIONAL DETAILS...OVERNIGHT LOWS IN THE 70S WILL LIMIT RECOVERY.  
 
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.  
 
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE  
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING  
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND  
HEAT STROKE.  
 
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.  
 

 
 

 
 
IDZ012-014-ORZ063-130300-  
/O.CON.KBOI.HT.Y.0007.000000T0000Z-250813T0300Z/  
LOWER TREASURE VALLEY-UPPER TREASURE VALLEY-MALHEUR COUNTY-  
INCLUDING THE CITIES OF NAMPA, CALDWELL, BOISE, AND MALHEUR CITY  
201 PM MDT TUE AUG 12 2025 /101 PM PDT TUE AUG 12 2025/  
 
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT /8 PM PDT/ THIS  
EVENING...  
 
* WHAT...TEMPERATURES UP TO 103.  
 
* WHERE...IN IDAHO, LOWER TREASURE VALLEY AND UPPER TREASURE VALLEY.  
IN OREGON, MALHEUR COUNTY.  
 
* WHEN...UNTIL 9 PM MDT /8 PM PDT/ THIS EVENING.  
 
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES, ESPECIALLY  
FOR THE YOUNG, ELDERLY, AND ANIMALS.  
 
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.  
 
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE  
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING  
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND  
HEAT STROKE.  
 
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.  
 

 
 

 
 
NF  
 
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