321  
WWUS76 KPDT 092103  
NPWPDT  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE PENDLETON OR  
203 PM PDT MON JUN 9 2025  
 
ORZ041-044-WAZ024-026-027-102215-  
/O.CON.KPDT.HT.Y.0001.000000T0000Z-250611T0400Z/  
EASTERN COLUMBIA RIVER GORGE OF OREGON-LOWER COLUMBIA BASIN OF  
OREGON-EASTERN COLUMBIA RIVER GORGE OF WASHINGTON-KITTITAS VALLEY-  
YAKIMA VALLEY-  
INCLUDING THE CITIES OF YAKIMA, WHITE SALMON, IONE, HERMISTON,  
THE DALLES, SUNNYSIDE, THORP, ELLENSBURG, BOARDMAN, NACHES,  
TOPPENISH, AND ARLINGTON  
203 PM PDT MON JUN 9 2025  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT TUESDAY
 
 
* WHAT...HOT CONDITIONS WITH HIGH TEMPERATURES BETWEEN 95-103  
DEGREES EXPECTED. THIS WILL POSE A MODERATE TO MAJOR RISK OF  
HEAT-RELATED ILLNESS.  
 
* WHERE...EASTERN COLUMBIA RIVER GORGE OF OREGON AND WASHINGTON,  
LOWER COLUMBIA BASIN OF OREGON, KITTITAS VALLEY, AND YAKIMA VALLEY.  
 
* WHEN...UNTIL 9 PM PDT TUESDAY.  
 
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES. HEAT WILL  
SIGNIFICANTLY INCREASE THE RISK OF HEAT-RELATED ILLNESSES FOR  
THOSE WHO ARE SENSITIVE TO HEAT, ESPECIALLY THOSE WITHOUT  
EFFECTIVE COOLING OR ADEQUATE HYDRATION.  
 
* ADDITIONAL DETAILS...HOTTEST TEMPERATURES ARE EXPECTED TO OCCUR  
THIS AFTERNOON.  
 
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.  
 
FOR SHELTERING INFORMATION AND OTHER HUMAN SERVICES IN YOUR AREA,  
DIAL 2 1 1 DURING BUSINESS HOURS OR VISIT 211INFO.ORG FOR OREGON OR  
WA211.ORG FOR WASHINGTON ANYTIME.  
 

 
 

 
 
ORZ507-WAZ028-029-102215-  
/O.CON.KPDT.HT.Y.0001.000000T0000Z-250611T0400Z/  
FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON-LOWER COLUMBIA  
BASIN OF WASHINGTON-FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-  
INCLUDING THE CITIES OF PILOT ROCK, ATHENA, WALLA WALLA, PROSSER,  
TRI-CITIES, PENDLETON, WAITSBURG, CONNELL, AND DAYTON  
203 PM PDT MON JUN 9 2025  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT TUESDAY
 
 
* WHAT...HOT CONDITIONS WITH HIGH TEMPERATURES BETWEEN 95-105  
DEGREES EXPECTED. THIS WILL POSE A MODERATE TO MAJOR RISK OF  
HEAT-RELATED ILLNESS.  
 
* WHERE...IN OREGON, FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF  
OREGON. IN WASHINGTON, LOWER COLUMBIA BASIN OF WASHINGTON AND  
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON.  
 
* WHEN...UNTIL 9 PM PDT TUESDAY.  
 
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.  
 
* ADDITIONAL DETAILS...HOTTEST TEMPERATURES ARE EXPECTED TO OCCUR  
THIS AFTERNOON.  
 
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.  
 
FOR SHELTERING INFORMATION AND OTHER HUMAN SERVICES IN YOUR AREA,  
DIAL 2 1 1 DURING BUSINESS HOURS OR VISIT 211INFO.ORG FOR OREGON OR  
WA211.ORG FOR WASHINGTON ANYTIME.  
 

 
 

 
 
MD  
 
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