745  
WWUS75 KBOI 121505  
NPWBOI  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BOISE ID  
905 AM MDT TUE AUG 12 2025  
 
IDZ014-122100-  
/O.EXA.KBOI.HT.Y.0007.250812T1800Z-250813T0300Z/  
UPPER TREASURE VALLEY-  
INCLUDING THE CITIES OF BOISE  
905 AM MDT TUE AUG 12 2025  
   
..HEAT ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING
 
 
* WHAT...TEMPERATURES UP TO 103 EXPECTED.  
 
* WHERE...UPPER TREASURE VALLEY.  
 
* WHEN...UNTIL 9 PM MDT 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.  
 

 
 

 
 
IDZ012-ORZ063-064-122100-  
/O.CON.KBOI.HT.Y.0007.250812T1800Z-250813T0300Z/  
LOWER TREASURE VALLEY-MALHEUR COUNTY-OREGON LOWER TREASURE VALLEY-  
INCLUDING THE CITIES OF NAMPA, CALDWELL, NYSSA, MALHEUR CITY, AND  
ONTARIO  
905 AM MDT TUE AUG 12 2025 /805 AM PDT TUE AUG 12 2025/  
 
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT /8 PM PDT/ THIS  
EVENING...  
 
* WHAT...TEMPERATURES UP TO 103 EXPECTED.  
 
* WHERE...LOWER TREASURE VALLEY ZONES, AND 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.  
 

 
 

 
 
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