014
WWUS76 KPDT 041941
NPWPDT
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
1241 PM PDT THU SEP 4 2025
ORZ041-044-507-508-510-WAZ024-026>029-521-050300-
/O.CON.KPDT.XH.W.0003.000000T0000Z-250905T0300Z/
EASTERN COLUMBIA RIVER GORGE OF OREGON-LOWER COLUMBIA BASIN OF
OREGON-FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-NORTH CENTRAL
OREGON-EASTERN COLUMBIA RIVER GORGE OF WASHINGTON-KITTITAS VALLEY-
YAKIMA VALLEY-LOWER COLUMBIA BASIN OF WASHINGTON-FOOTHILLS OF THE
BLUE MOUNTAINS OF WASHINGTON-SIMCOE HIGHLANDS-
INCLUDING THE CITIES OF CONNELL, IONE, PENDLETON, MORO, WALLA
WALLA, SUNNYSIDE, ATHENA, BOARDMAN, TOPPENISH, THE DALLES,
NACHES, YAKIMA, HEPPNER, CONDON, ARLINGTON, DUFUR, PILOT ROCK,
TRI-CITIES, ELLENSBURG, GOLDENDALE, FOSSIL, DAYTON, WHITE SALMON,
HERMISTON, BICKLETON, THORP, PROSSER, WAITSBURG, AND MAUPIN
1241 PM PDT THU SEP 4 2025
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH AFTERNOON HIGH TEMPERATURES
OF 90 TO 100 DEGREES EXPECTED. THIS WILL POSE A MAJOR RISK OF
HEAT-RELATED ILLNESS.
* WHERE...PORTIONS OF NORTH CENTRAL AND NORTHEAST OREGON AND
CENTRAL, SOUTH CENTRAL, AND SOUTHEAST WASHINGTON.
* WHEN...UNTIL 8 PM PDT THIS EVENING.
* IMPACTS...HEAT-RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT EVENTS.
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.
ORZ049-050-505-050300-
/O.CON.KPDT.HT.Y.0008.000000T0000Z-250905T0300Z/
GRANDE RONDE VALLEY-WALLOWA COUNTY-JOHN DAY BASIN-
INCLUDING THE CITIES OF MONUMENT, JOHN DAY, ELGIN, MITCHELL, LA
GRANDE, UNION, JOSEPH, DAYVILLE, SPRAY, WALLOWA, COVE, AND
ENTERPRISE
1241 PM PDT THU SEP 4 2025
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
* WHAT...HOT CONDITIONS WITH AFTERNOON HIGH TEMPERATURES OF 90 TO
100 DEGREES. THIS WILL POSE A MODERATE TO MAJOR RISK OF
HEAT-RELATED ILLNESS.
* WHERE...JOHN DAY BASIN, GRANDE RONDE VALLEY, AND WALLOWA COUNTY.
* WHEN...UNTIL 8 PM PDT THIS EVENING.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
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.
ORZ502-WAZ030-050300-
/O.CON.KPDT.HT.Y.0008.000000T0000Z-250905T0300Z/
NORTHERN BLUE MOUNTAINS OF OREGON-NORTHWEST BLUE MOUNTAINS-
INCLUDING THE CITIES OF MEACHAM, SKI BLUEWOOD RESORT, AND
TOLLGATE
1241 PM PDT THU SEP 4 2025
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
* WHAT...HOT CONDITIONS WITH AFTERNOON HIGH TEMPERATURES OF 85 TO 95
DEGREES. THIS WILL POSE A MODERATE TO MAJOR RISK OF HEAT-RELATED
ILLNESS.
* WHERE...IN OREGON, NORTHERN BLUE MOUNTAINS OF OREGON. IN
WASHINGTON, NORTHWEST BLUE MOUNTAINS.
* WHEN...UNTIL 8 PM PDT THIS EVENING.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
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.
WAZ523-050300-
/O.CON.KPDT.HT.Y.0008.000000T0000Z-250905T0300Z/
LOWER SLOPES OF THE EASTERN WASHINGTON CASCADES CREST-
INCLUDING THE CITIES OF CLIFFDELL, APPLETON, AND CLE ELUM
1241 PM PDT THU SEP 4 2025
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
* WHAT...HOT CONDITIONS WITH AFTERNOON HIGH TEMPERATURES OF 90 TO
100 DEGREES EXPECTED. THIS WILL POSE A MODERATE TO MAJOR RISK OF
HEAT-RELATED ILLNESS.
* WHERE...LOWER SLOPES OF THE EASTERN WASHINGTON CASCADES CREST.
* WHEN...UNTIL 8 PM PDT THIS EVENING.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
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.
PDT
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