561  
WWUS75 KBOI 311927  
NPWBOI  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BOISE ID  
127 PM MDT SAT MAY 31 2025  
 
ORZ064-010130-  
/O.CON.KBOI.HT.Y.0001.000000T0000Z-250601T0100Z/  
/O.CON.KBOI.WI.Y.0015.250601T0300Z-250601T1200Z/  
OREGON LOWER TREASURE VALLEY-  
INCLUDING THE CITIES OF ONTARIO AND NYSSA  
127 PM MDT SAT MAY 31 2025 /1227 PM PDT SAT MAY 31 2025/  
 
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM MDT /6 PM PDT/ THIS  
EVENING...  
...WIND ADVISORY REMAINS IN EFFECT FROM 9 PM MDT /8 PM PDT/ THIS  
EVENING TO 6 AM MDT /5 AM PDT/ SUNDAY...  
 
* WHAT...FOR THE HEAT ADVISORY, TEMPERATURES OF 95 TO 100 EXPECTED.  
RECORD HIGH TEMPERATURES POSSIBLE. FOR THE WIND ADVISORY,  
NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS UP TO 50 MPH EXPECTED.  
 
* WHERE...OREGON LOWER TREASURE VALLEY.  
 
* WHEN...FOR THE HEAT ADVISORY, UNTIL 7 PM MDT /6 PM PDT/ THIS  
EVENING. FOR THE WIND ADVISORY, FROM 9 PM MDT /8 PM PDT/ THIS  
EVENING TO 6 AM MDT /5 AM PDT/ SUNDAY.  
 
* IMPACTS...GUSTY WINDS WILL BLOW AROUND UNSECURED OBJECTS AND  
PRODUCE AREAS OF BLOWING DUST. TREE LIMBS COULD BE BLOWN DOWN AND  
A FEW POWER OUTAGES MAY RESULT. 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.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT, ESPECIALLY FOR HIGH  
PROFILE VEHICLES. AREAS OF BLOWING DUST MAY REDUCE VISIBILITY. USE  
EXTRA CAUTION.  
 
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.  
 

 
 

 
 
IDZ012-014-016-033-ORZ061>063-010100-  
/O.CON.KBOI.HT.Y.0001.000000T0000Z-250601T0100Z/  
LOWER TREASURE VALLEY-UPPER TREASURE VALLEY-WESTERN MAGIC VALLEY-  
UPPER WEISER RIVER-HARNEY COUNTY-BAKER COUNTY-MALHEUR COUNTY-  
INCLUDING THE CITIES OF BUCHANAN, MALHEUR CITY, INDIAN VALLEY,  
TWIN FALLS, MESA, DIAMOND, GLENDALE, CAMBRIDGE, FRUITVALE,  
CALDWELL, DUNNEAN, BAKER, NAMPA, VENATOR, NEW PRINCETON, BOISE,  
GOODRICH, BURNS, COUNCIL, AND CRANE  
127 PM MDT SAT MAY 31 2025 /1227 PM PDT SAT MAY 31 2025/  
 
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM MDT /6 PM PDT/ THIS  
EVENING...  
 
* WHAT...TEMPERATURES UP TO 97.  
 
* WHERE...PORTIONS OF SOUTH CENTRAL AND SOUTHWEST IDAHO AND  
NORTHEAST AND SOUTHEAST OREGON.  
 
* WHEN...UNTIL 7 PM MDT /6 PM PDT/ THIS EVENING.  
 
* IMPACTS...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.  
 
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.  
 

 
 

 
 
SP  
 
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