319
WWUS76 KPQR 211747
NPWPQR
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PORTLAND OR
1047 AM PDT TUE JUL 21 2026
ORZ117-124-220600-
/O.EXB.KPQR.HT.Y.0004.000000T0000Z-260722T0600Z/
LINN COUNTY LOWLANDS-CASCADE FOOTHILLS OF MARION AND LINN
COUNTIES-
INCLUDING THE CITIES OF MILL CITY, DETROIT, BROWNSVILLE,
HARRISBURG, SILVER FALLS, ALBANY, AND LEBANON
1047 AM PDT TUE JUL 21 2026
..HEAT ADVISORY IN EFFECT UNTIL 11 PM PDT THIS EVENING
* WHAT...HIGH TEMPERATURE TODAY OF 95 TO 98 DEGREES F.
* WHERE...CASCADE FOOTHILLS OF MARION AND LINN COUNTIES AND LINN
COUNTY LOWLANDS.
* WHEN...UNTIL 11 PM PDT THIS EVENING.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
* ADDITIONAL DETAILS...SMOKE FROM AREA FIRES AND INCOMING CLOUD
COVER MAY REDUCE TEMPERATURES IN SOME LOCATIONS. HOWEVER, THERE
REMAINS A HIGH PROBABILITY OF TEMPERATURES MEETING MAJOR HEATRISK
TODAY. THIS IS ESPECIALLY TRUE WITHIN THE VALLEYS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN A COOL PLACE DURING THE HEAT OF THE
DAY, STAY OUT OF THE SUNSHINE, AND CHECK UP ON RELATIVES AND
NEIGHBORS. FOR THOSE WITHOUT AIR CONDITIONING, USE FANS TO KEEP AIR
MOVING. KEEPS WINDOWS CLOSED DURING THE DAY AND OPEN AT NIGHT,
UNLESS AIR QUALITY IS DEGRADED DUE TO WILDFIRE SMOKE.
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.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
WAZ208-221200-
/O.EXA.KPQR.HT.Y.0004.000000T0000Z-260723T0600Z/
SOUTH WASHINGTON CASCADE FOOTHILLS-
INCLUDING THE CITIES OF YACOLT, AMBOY, LAKE MERWIN, AND TOUTLE
1047 AM PDT TUE JUL 21 2026
..HEAT ADVISORY IN EFFECT UNTIL 11 PM PDT WEDNESDAY
* WHAT...HIGH TEMPERATURE TODAY OF 95 TO 98 DEGREES F.
* WHERE...SOUTH WASHINGTON CASCADE FOOTHILLS.
* WHEN...UNTIL 11 PM PDT WEDNESDAY.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
* ADDITIONAL DETAILS...SMOKE FROM FIRES OUTSIDE OF THE REGION OR
CLOUDS MOVING INTO THE AREA COULD RESULT IN COOLER DAYTIME HIGH
TEMPERATURES THAN CURRENTLY FORECAST. AROUND A 10-15% CHANCE OF
THUNDERSTORMS ON WEDNESDAY AFTERNOON WHICH MAY INCREASE CLOUD
COVER AND THUS CAUSE TEMPERATURES TO BE SLIGHTLY LOWER THAN
FORECAST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN A COOL PLACE DURING THE HEAT OF THE
DAY, STAY OUT OF THE SUNSHINE, AND CHECK UP ON RELATIVES AND
NEIGHBORS. FOR THOSE WITHOUT AIR CONDITIONING, USE FANS TO KEEP AIR
MOVING. KEEPS WINDOWS CLOSED DURING THE DAY AND OPEN AT NIGHT,
UNLESS AIR QUALITY IS DEGRADED DUE TO WILDFIRE SMOKE.
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.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
ORZ108>115-120>122-WAZ204>207-209-210-221200-
/O.CON.KPQR.HT.Y.0004.000000T0000Z-260723T0600Z/
LOWER COLUMBIA RIVER-TUALATIN VALLEY-PORTLAND WEST HILLS AND
CHEHALEM MOUNTAIN-INNER PORTLAND METRO-EAST PORTLAND METRO-OUTER
SOUTHEAST PORTLAND METRO-WEST CENTRAL WILLAMETTE VALLEY-EAST
CENTRAL WILLAMETTE VALLEY-WEST COLUMBIA RIVER GORGE I-84 CORRIDOR-
UPPER HOOD RIVER VALLEY-CENTRAL COLUMBIA RIVER GORGE I-
84 CORRIDOR-COWLITZ COUNTY LOWLANDS-NORTH CLARK COUNTY LOWLANDS-
INNER VANCOUVER METRO-EAST CLARK COUNTY LOWLANDS-WEST COLUMBIA
RIVER GORGE SR 14 CORRIDOR-CENTRAL COLUMBIA RIVER GORGE SR
14 CORRIDOR-
INCLUDING THE CITIES OF HOCKINSON, SANDY, MOLALLA, TROUTDALE,
WILSONVILLE, SYLVAN HILL, SHERIDAN, RIDGEFIELD, KEIZER, CARSON,
BORING, LONGVIEW, OREGON CITY, KALAMA, EVERGREEN, ESTACADA,
BEACON ROCK SP, SILVERTON, EAGLE CREEK, CHEHALEM MOUNTAIN, LAKE
OSWEGO, WOODBURN, KELSO, STEVENSON, ROOSTER ROCK, CASTLE ROCK,
CASCADE LOCKS, MULTNOMAH FALLS, BONNEVILLE, VANCOUVER, SHERWOOD,
PARKDALE, FAIRVIEW, CAPE HORN, WOODLAND, SCAPPOOSE, HOOD RIVER,
MCMINNVILLE, CAMAS, DALLAS, RAINIER, FOREST GROVE, GRESHAM,
NEWBERG, NORTH BONNEVILLE, CLATSKANIE, HAPPY VALLEY, TIGARD,
ROCKCREEK, SALEM, BRUSH PRAIRIE, LA CENTER, BATTLE GROUND,
STAYTON, HILLSBORO, ST. HELENS, SALMON CREEK, WYETH, WASHOUGAL,
UNDERWOOD, MONMOUTH, PORTLAND, ODELL, SELLWOOD, AND SKYLINE DRIVE
1047 AM PDT TUE JUL 21 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT WEDNESDAY
* WHAT...HIGH TEMPERATURES UP TO 100.
* WHERE...GREATER PORTLAND/VANCOUVER METRO, WESTERN AND CENTRAL
COLUMBIA RIVER GORGE AND THE HOOD RIVER VALLEY, LOWER COLUMBIA
RIVER AND COWLITZ RIVER VALLEYS, AND CENTRAL WILLAMETTE VALLEY.
* WHEN...UNTIL 11 PM PDT WEDNESDAY.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
* ADDITIONAL DETAILS...SMOKE FROM FIRES OUTSIDE OF THE REGION OR
CLOUDS MOVING INTO THE AREA COULD RESULT IN COOLER DAYTIME HIGH
TEMPERATURES THAN CURRENTLY FORECAST. AROUND A 10-15% CHANCE OF
THUNDERSTORMS ON WEDNESDAY AFTERNOON WHICH MAY INCREASE CLOUD
COVER AND THUS CAUSE TEMPERATURES TO BE SLIGHTLY LOWER THAN
FORECAST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN A COOL PLACE DURING THE HEAT OF THE
DAY, STAY OUT OF THE SUNSHINE, AND CHECK UP ON RELATIVES AND
NEIGHBORS. FOR THOSE WITHOUT AIR CONDITIONING, USE FANS TO KEEP AIR
MOVING. KEEPS WINDOWS CLOSED DURING THE DAY AND OPEN AT NIGHT,
UNLESS AIR QUALITY IS DEGRADED DUE TO WILDFIRE SMOKE.
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.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT
WWW.WEATHER.GOV/PORTLAND
27
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