086
WWUS76 KPQR 220510
NPWPQR
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PORTLAND OR
1010 PM PDT TUE JUL 21 2026
ORZ117-124-220615-
/O.CAN.KPQR.HT.Y.0004.000000T0000Z-260722T0600Z/
LINN COUNTY LOWLANDS-CASCADE FOOTHILLS OF MARION AND LINN
COUNTIES-
INCLUDING THE CITIES OF DETROIT, BROWNSVILLE, MILL CITY, ALBANY,
SILVER FALLS, LEBANON, AND HARRISBURG
1010 PM PDT TUE JUL 21 2026
..HEAT ADVISORY IS CANCELLED
TEMPERATURES HAVE COOLED TO NEAR 80 DEGREES THIS EVENING. ANOTHER
HOT DAY IS EXPECTED ON WEDNESDAY, HOWEVER AFTERNOON HIGHS WILL BE
MARGINALLY COOLER THAN OBSERVED TODAY, RESULTING IN WIDESPREAD
MODERATE HEATRISK.
ORZ108>115-120>122-WAZ204>210-221800-
/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-SOUTH WASHINGTON
CASCADE FOOTHILLS-WEST COLUMBIA RIVER GORGE SR 14 CORRIDOR-
CENTRAL COLUMBIA RIVER GORGE SR 14 CORRIDOR-
INCLUDING THE CITIES OF LONGVIEW, WYETH, SKYLINE DRIVE, FAIRVIEW,
SHERIDAN, AMBOY, SCAPPOOSE, SELLWOOD, WASHOUGAL, MCMINNVILLE,
OREGON CITY, WOODBURN, VANCOUVER, YACOLT, STAYTON, STEVENSON,
UNDERWOOD, RIDGEFIELD, SALMON CREEK, FOREST GROVE, MONMOUTH,
SALEM, ESTACADA, BORING, KELSO, SANDY, PARKDALE, WILSONVILLE,
CASCADE LOCKS, BEACON ROCK SP, SILVERTON, SYLVAN HILL, TOUTLE,
KALAMA, MULTNOMAH FALLS, CASTLE ROCK, BRUSH PRAIRIE, LA CENTER,
GRESHAM, DALLAS, CAMAS, TIGARD, NORTH BONNEVILLE, CHEHALEM
MOUNTAIN, HOOD RIVER, HAPPY VALLEY, RAINIER, SHERWOOD, EAGLE
CREEK, MOLALLA, EVERGREEN, WOODLAND, CAPE HORN, ST. HELENS,
NEWBERG, PORTLAND, BONNEVILLE, CLATSKANIE, TROUTDALE, ODELL,
CARSON, LAKE OSWEGO, ROCKCREEK, BATTLE GROUND, HOCKINSON, LAKE
MERWIN, ROOSTER ROCK, HILLSBORO, AND KEIZER
1010 PM PDT TUE JUL 21 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT WEDNESDAY
* WHAT...TEMPERATURES AS HIGH AS 95 TO 100 DEGREES.
* WHERE...GREATER PORTLAND/VANCOUVER METRO, WESTERN AND CENTRAL
COLUMBIA RIVER GORGE AND THE HOOD RIVER VALLEY, LOWER COLUMBIA
RIVER AND COWLITZ RIVER VALLEYS, CENTRAL WILLAMETTE VALLEY, AND
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. THERE IS AROUND A 15-25% 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
36
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page