539
WWUS76 KPDT 111902
NPWPDT
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
1202 PM PDT FRI JUL 11 2025
ORZ041-044-507-WAZ024-026>029-122200-
/O.NEW.KPDT.HT.Y.0004.250712T1900Z-250715T0300Z/
EASTERN COLUMBIA RIVER GORGE OF OREGON-LOWER COLUMBIA BASIN OF
OREGON-FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON-EASTERN
COLUMBIA RIVER GORGE OF WASHINGTON-KITTITAS VALLEY-YAKIMA VALLEY-
LOWER COLUMBIA BASIN OF WASHINGTON-FOOTHILLS OF THE BLUE
MOUNTAINS OF WASHINGTON-
INCLUDING THE CITIES OF DAYTON, ARLINGTON, THE DALLES, PILOT
ROCK, BOARDMAN, YAKIMA, PENDLETON, WHITE SALMON, WALLA WALLA,
HERMISTON, IONE, ELLENSBURG, ATHENA, TRI-CITIES, NACHES,
TOPPENISH, CONNELL, WAITSBURG, PROSSER, THORP, AND SUNNYSIDE
1202 PM PDT FRI JUL 11 2025
..HEAT ADVISORY IN EFFECT FROM NOON SATURDAY TO 8 PM PDT MONDAY
* WHAT...HOT CONDITIONS WITH TEMPERATURES AROUND 100 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 AND WASHINGTON, FOOTHILLS OF THE
NORTHERN BLUE MOUNTAINS OF OREGON, KITTITAS VALLEY, YAKIMA VALLEY,
AND FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON.
* WHEN...FROM NOON SATURDAY TO 8 PM PDT MONDAY.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES. EXTREME HEAT
WILL SIGNIFICANTLY INCREASE THE RISK OF HEAT-RELATED ILLNESSES FOR
MUCH OF THE POPULATION, ESPECIALLY THOSE WHO ARE HEAT SENSITIVE
AND THOSE WITHOUT EFFECTIVE COOLING OR ADEQUATE HYDRATION.
* ADDITIONAL DETAILS...TEMPERATURES ARE EXPECTED TO PEAK ON SUNDAY.
AFTERNOON HIGHS MAY REACH AS HIGH AS 105 DEGREES ACROSS THE LOWER
COLUMBIA BASIN.
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.
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.
CE
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page