990
WWUS76 KPDT 212009
NPWPDT
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PENDLETON OR
109 PM PDT FRI AUG 21 2026
ORZ041-044-508-510-WAZ024-220515-
/O.NEW.KPDT.WI.Y.0030.260822T1800Z-260823T0600Z/
/O.CON.KPDT.HT.Y.0006.000000T0000Z-260822T0500Z/
EASTERN COLUMBIA RIVER GORGE OF OREGON-LOWER COLUMBIA BASIN OF
OREGON-FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-NORTH
CENTRAL OREGON-EASTERN COLUMBIA RIVER GORGE OF WASHINGTON-
INCLUDING THE CITIES OF MORO, ARLINGTON, WHITE SALMON, FOSSIL,
HERMISTON, THE DALLES, MAUPIN, BOARDMAN, CONDON, HEPPNER, DUFUR, AND
IONE
109 PM PDT FRI AUG 21 2026
..WIND ADVISORY IN EFFECT FROM 11 AM TO 11 PM PDT SATURDAY
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING
* WHAT...FOR THE HEAT ADVISORY, HOT CONDITIONS WITH AFTERNOON HIGH
TEMPERATURES OF 95 TO 105 DEGREES. THIS WILL POSE A MODERATE TO
MAJOR RISK OF HEAT-RELATED ILLNESS. FOR THE WIND ADVISORY, WEST
WINDS 20 TO 30 MPH WITH GUSTS OF 35 TO 45 MPH EXPECTED.
* WHERE...EASTERN COLUMBIA RIVER GORGE OF OREGON AND WASHINGTON,
LOWER COLUMBIA BASIN OF OREGON, FOOTHILLS OF THE SOUTHERN BLUE
MOUNTAINS OF OREGON, AND NORTH CENTRAL OREGON.
* WHEN...FOR THE HEAT ADVISORY, UNTIL 10 PM PDT THIS EVENING. FOR THE
WIND ADVISORY, FROM 11 AM TO 11 PM PDT SATURDAY.
* IMPACTS...GUSTY WINDS WILL BLOW AROUND UNSECURED OBJECTS. TREE
LIMBS COULD BE BLOWN DOWN AND A FEW POWER OUTAGES MAY RESULT. HOT
TEMPERATURES MAY CAUSE HEAT ILLNESSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT, ESPECIALLY FOR HIGH
PROFILE VEHICLES. 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.
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.
WAZ026-220515-
/O.NEW.KPDT.WI.Y.0030.260822T2100Z-260823T0500Z/
/O.CON.KPDT.HT.Y.0006.000000T0000Z-260822T0500Z/
KITTITAS VALLEY-
INCLUDING THE CITIES OF ELLENSBURG AND THORP
109 PM PDT FRI AUG 21 2026
..WIND ADVISORY IN EFFECT FROM 2 PM TO 10 PM PDT SATURDAY
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING
* WHAT...FOR THE HEAT ADVISORY, HOT CONDITIONS WITH AFTERNOON HIGH
TEMPERATURES OF 90 TO 95 DEGREES. THIS WILL POSE A MODERATE RISK OF
HEAT-RELATED ILLNESS. FOR THE WIND ADVISORY, NORTHWEST WINDS 20 TO
30 MPH WITH GUSTS OF 35 TO 45 MPH EXPECTED.
* WHERE...KITTITAS VALLEY.
* WHEN...FOR THE HEAT ADVISORY, UNTIL 10 PM PDT THIS EVENING. FOR THE
WIND ADVISORY, FROM 2 PM TO 10 PM PDT SATURDAY.
* IMPACTS...GUSTY WINDS WILL BLOW AROUND UNSECURED OBJECTS. TREE
LIMBS COULD BE BLOWN DOWN AND A FEW POWER OUTAGES MAY RESULT. HOT
TEMPERATURES MAY CAUSE HEAT ILLNESSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT, ESPECIALLY FOR HIGH
PROFILE VEHICLES. 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.
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.
WAZ521-220515-
/O.NEW.KPDT.WI.Y.0030.260822T1800Z-260823T0600Z/
/O.CON.KPDT.HT.Y.0006.000000T0000Z-260822T0500Z/
SIMCOE HIGHLANDS-
INCLUDING THE CITIES OF BICKLETON AND GOLDENDALE
109 PM PDT FRI AUG 21 2026
..WIND ADVISORY IN EFFECT FROM 11 AM TO 11 PM PDT SATURDAY
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING
* WHAT...FOR THE HEAT ADVISORY, HOT CONDITIONS WITH AFTERNOON HIGH
TEMPERATURES OF 90 TO 95 DEGREES. THIS WILL POSE A MODERATE RISK OF
HEAT-RELATED ILLNESS. FOR THE WIND ADVISORY, WEST WINDS 20 TO 30
MPH WITH GUSTS OF 35 TO 45 MPH EXPECTED.
* WHERE...SIMCOE HIGHLANDS.
* WHEN...FOR THE HEAT ADVISORY, UNTIL 10 PM PDT THIS EVENING. FOR THE
WIND ADVISORY, FROM 11 AM TO 11 PM PDT SATURDAY.
* IMPACTS...GUSTY WINDS WILL BLOW AROUND UNSECURED OBJECTS. TREE
LIMBS COULD BE BLOWN DOWN AND A FEW POWER OUTAGES MAY RESULT. HOT
TEMPERATURES MAY CAUSE HEAT ILLNESSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT, ESPECIALLY FOR HIGH
PROFILE VEHICLES. 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.
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.
ORZ049-505-507-511-WAZ027>029-220500-
/O.CON.KPDT.HT.Y.0006.000000T0000Z-260822T0500Z/
GRANDE RONDE VALLEY-JOHN DAY BASIN-FOOTHILLS OF THE NORTHERN BLUE
MOUNTAINS OF OREGON-CENTRAL OREGON-YAKIMA VALLEY-LOWER COLUMBIA
BASIN OF WASHINGTON-FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-
INCLUDING THE CITIES OF LA GRANDE, WALLA WALLA, JOHN DAY,
TRI-CITIES, SUNNYSIDE, TOPPENISH, COVE, SPRAY, PROSSER,
WAITSBURG, ELGIN, MADRAS, PRINEVILLE, DAYTON, MITCHELL, UNION,
PENDLETON, CONNELL, DAYVILLE, YAKIMA, NACHES, REDMOND, MONUMENT,
BEND, PILOT ROCK, AND ATHENA
109 PM PDT FRI AUG 21 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING
* WHAT...HOT CONDITIONS WITH AFTERNOON HIGH TEMPERATURES OF 90 TO 100
DEGREES. THIS WILL POSE A MODERATE RISK OF HEAT-RELATED ILLNESS.
* WHERE...IN OREGON, CENTRAL OREGON, JOHN DAY BASIN, FOOTHILLS OF THE
NORTHERN BLUE MOUNTAINS OF OREGON, AND GRANDE RONDE VALLEY. IN
WASHINGTON, YAKIMA VALLEY, LOWER COLUMBIA BASIN OF WASHINGTON, AND
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON.
* WHEN...UNTIL 10 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.
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.
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.
ORZ050-502-503-506-WAZ030-523-220500-
/O.CON.KPDT.HT.Y.0006.000000T0000Z-260822T0500Z/
WALLOWA COUNTY-NORTHERN BLUE MOUNTAINS OF OREGON-SOUTHERN BLUE
MOUNTAINS OF OREGON-OCHOCO-JOHN DAY HIGHLANDS-NORTHWEST BLUE
MOUNTAINS-LOWER SLOPES OF THE EASTERN WASHINGTON CASCADES CREST-
INCLUDING THE CITIES OF BROTHERS, PRAIRIE CITY, CLE ELUM, CLIFFDELL,
ENTERPRISE, SKI BLUEWOOD RESORT, NORTH POWDER, JOSEPH, LONG CREEK,
TOLLGATE, MEACHAM, UKIAH, WALLOWA, PAULINA, APPLETON, AND SENECA
109 PM PDT FRI AUG 21 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING
* WHAT...HOT CONDITIONS WITH AFTERNOON HIGH TEMPERATURES OF 95 TO 105
DEGREES. THIS WILL POSE A MODERATE TO MAJOR RISK OF HEAT-RELATED
ILLNESS.
* WHERE...BLUE MOUNTAINS OF OREGON AND WASHINGTON, WALLOWA COUNTY,
OCHOCO-JOHN DAY HIGHLANDS, AND LOWER SLOPES OF THE EASTERN
WASHINGTON CASCADES CREST.
* WHEN...UNTIL 10 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.
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.
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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