693
WWUS76 KPQR 112055
NPWPQR
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PORTLAND OR
155 PM PDT MON AUG 11 2025
ORZ109>125-WAZ205>207-209-210-121200-
/O.CON.KPQR.XH.W.0001.000000T0000Z-250813T0500Z/
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-
BENTON COUNTY LOWLANDS-LINN COUNTY LOWLANDS-LANE COUNTY LOWLANDS-
WEST COLUMBIA RIVER GORGE OF OREGON ABOVE 500 FT-WEST COLUMBIA
RIVER GORGE I-84 CORRIDOR-UPPER HOOD RIVER VALLEY-CENTRAL
COLUMBIA RIVER GORGE I-84 CORRIDOR-CLACKAMAS COUNTY CASCADE
FOOTHILLS-CASCADE FOOTHILLS OF MARION AND LINN COUNTIES-LANE
COUNTY CASCADE FOOTHILLS-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 VANCOUVER, NORTH BONNEVILLE, BORING,
MCMINNVILLE, SILVERTON, ROOSTER ROCK, JUNCTION CITY, PARKDALE,
RHODODENDRON, STEVENSON, HAPPY VALLEY, CHEHALEM MOUNTAIN,
SELLWOOD, CORBETT, LA CENTER, ESTACADA, CRESWELL, SALEM,
SHERWOOD, WILSONVILLE, MULTNOMAH FALLS, EAGLE CREEK, MOLALLA,
CARSON, HOOD RIVER, MILL CITY, BEACON ROCK SP, STAYTON, SALMON
CREEK, SANDY, CAPE HORN, KEIZER, PORTLAND, TIGARD, ODELL, SYLVAN
HILL, UNDERWOOD, WELCHES, SPRINGFIELD, DALLAS, SKYLINE DRIVE,
VIDA, WASHOUGAL, COTTAGE GROVE, SILVER FALLS, HILLSBORO,
EVERGREEN, WOODBURN, FOREST GROVE, BONNEVILLE, ALBANY, LEBANON,
HARRISBURG, CHERRYVILLE, PHILOMATH, SHERIDAN, MCKENZIE BRIDGE,
MONMOUTH, NEWBERG, DETROIT, BRIGHTWOOD, OAKRIDGE, HOCKINSON,
OREGON CITY, LAKE OSWEGO, CAMAS, CASCADE LOCKS, BROWNSVILLE,
BATTLE GROUND, WYETH, TROUTDALE, MONROE, GRESHAM, ROCKCREEK,
EUGENE, BRUSH PRAIRIE, CORVALLIS, FAIRVIEW, AND RIDGEFIELD
155 PM PDT MON AUG 11 2025
..EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 10 PM PDT TUESDAY
* WHAT...DANGEROUSLY HOT CONDITIONS WITH TEMPERATURES OF 97 TO 105
DEGREES. OVERNIGHT TEMPERATURES OF 63 TO 70 DEGREES.
* WHERE...GREATER PORTLAND/VANCOUVER METRO, WESTERN AND CENTRAL
COLUMBIA RIVER GORGE, THE CORBETT AREA AND THE HOOD RIVER VALLEY,
CENTRAL AND SOUTHERN WILLAMETTE VALLEY, AND FOOTHILLS OF THE
NORTHERN AND CENTRAL OREGON CASCADES.
* WHEN...UNTIL 10 PM PDT TUESDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT EVENTS.
* ADDITIONAL DETAILS...OVERNIGHT CONDITIONS WILL BEGIN TO COOL ON
TUESDAY NIGHT INTO WEDNESDAY.
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.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
MONITOR THE LATEST FORECASTS AND WARNINGS FOR UPDATES.
ORZ104-105-108-WAZ202-204-208-121200-
/O.CON.KPQR.HT.Y.0004.000000T0000Z-250813T0500Z/
NORTH OREGON COAST RANGE LOWLANDS-CENTRAL OREGON COAST RANGE
LOWLANDS-LOWER COLUMBIA RIVER-WILLAPA AND WAHKIAKUM LOWLANDS-
COWLITZ COUNTY LOWLANDS-SOUTH WASHINGTON CASCADE FOOTHILLS-
INCLUDING THE CITIES OF CATHLAMET, KNAPPA, GLENWOOD, ALSEA,
MAPLETON, LEBAM, KELSO, LAKE MERWIN, ALMA, GRAND RONDE, TOUTLE,
CLATSKANIE, LONGVIEW, YACOLT, NECANICUM, JEWELL, CASTLE ROCK,
VERNONIA, AMBOY, HOSKINS, GRAND RONDE INDIAN RESERVATION, KALAMA,
RAINIER, ROSBURG, WOODLAND, SCAPPOOSE, ST. HELENS, AND WILLAPA
155 PM PDT MON AUG 11 2025
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT TUESDAY
* WHAT...TEMPERATURES AS HIGH AS 93-98 DEGREES. OVERNIGHT
TEMPERATURES OF 60 TO 65 DEGREES.
* WHERE...NORTH AND CENTRAL COAST RANGE VALLEYS OF OREGON, LOWER
COLUMBIA RIVER AND COWLITZ RIVER VALLEYS, WILLAPA AND WAHKIAKUM
LOWLANDS, AND SOUTH WASHINGTON CASCADE FOOTHILLS.
* WHEN...UNTIL 10 PM PDT TUESDAY.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
* ADDITIONAL DETAILS...HIGHEST OVERNIGHT TEMPERATURES NORTH OF HWY
18 IN OREGON.
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.
MONITOR THE LATEST FORECASTS AND WARNINGS FOR UPDATES.
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT
WWW.WEATHER.GOV/PORTLAND
JH
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