388
WWUS76 KPQR 071621
NPWPQR
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PORTLAND OR
921 AM PDT TUE APR 7 2026
ORZ109-114>118-WAZ206-081600-
/O.EXA.KPQR.FR.Y.0002.260408T0600Z-260408T1600Z/
TUALATIN VALLEY-WEST CENTRAL WILLAMETTE VALLEY-EAST CENTRAL
WILLAMETTE VALLEY-BENTON COUNTY LOWLANDS-LINN COUNTY LOWLANDS-
LANE COUNTY LOWLANDS-INNER VANCOUVER METRO-
INCLUDING THE CITIES OF MOLALLA, SALMON CREEK, VANCOUVER, TIGARD,
ROCKCREEK, WOODBURN, PHILOMATH, MONMOUTH, SILVERTON, BROWNSVILLE,
SPRINGFIELD, KEIZER, MONROE, COTTAGE GROVE, STAYTON, HILLSBORO,
ALBANY, EVERGREEN, CORVALLIS, NEWBERG, SHERIDAN, EUGENE, JUNCTION
CITY, SALEM, LEBANON, HARRISBURG, MCMINNVILLE, FOREST GROVE,
CRESWELL, WILSONVILLE, SHERWOOD, AND DALLAS
921 AM PDT TUE APR 7 2026
...FROST ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 9 AM PDT
WEDNESDAY...
* WHAT...TEMPERATURES AS LOW AS 34 TO 36 DEGREES WILL RESULT IN
FROST FORMATION.
* WHERE...CENTRAL AND SOUTHERN WILLAMETTE VALLEY, TUALATIN VALLEY,
AND INNER VANCOUVER METRO.
* WHEN...FROM 11 PM THIS EVENING TO 9 AM PDT WEDNESDAY.
* IMPACTS...FROST COULD HARM SENSITIVE OUTDOOR VEGETATION. SENSITIVE
OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE STEPS NOW TO PROTECT TENDER OUTDOOR PLANTS FROM THE COLD.
CONSIDER TEMPORARILY MOVING OUTDOOR POTTED PLANTS INDOORS IF THEY
ARE SENSITIVE TO COLD TEMPERATURES.
CONSIDER TEMPORARILY COVERING SENSITIVE PLANTS WITH A LIGHTWEIGHT
COTTON FABRIC (I.E., BEDSHEETS, THIN BLANKETS), AS THIS WILL HELP
RETAIN HEAT AND PROVIDE FROST PROTECTION FOR YOUR PLANTS.
ORZ104-106-108-121-WAZ202>205-208-081600-
/O.CON.KPQR.FR.Y.0002.260408T0600Z-260408T1600Z/
NORTH OREGON COAST RANGE LOWLANDS-NORTH OREGON COAST RANGE-LOWER
COLUMBIA RIVER-UPPER HOOD RIVER VALLEY-WILLAPA AND WAHKIAKUM
LOWLANDS-WILLAPA HILLS-COWLITZ COUNTY LOWLANDS-NORTH CLARK COUNTY
LOWLANDS-SOUTH WASHINGTON CASCADE FOOTHILLS-
INCLUDING THE CITIES OF WOODLAND, TOUTLE, WILLAPA, HOCKINSON,
JEWELL, LA CENTER, WILSON RIVER SUMMIT, ODELL, LONGVIEW, KALAMA,
SCAPPOOSE, LEBAM, CATHLAMET, YACOLT, SUNSET SUMMIT, LAKE MERWIN,
ST. HELENS, KELSO, CASTLE ROCK, BRUSH PRAIRIE, BROOKLYN, GRAND
RONDE INDIAN RESERVATION, NECANICUM, KNAPPA, PARKDALE, GLENWOOD,
RIDGEFIELD, BATTLE GROUND, ROSBURG, VERNONIA, RAINIER,
CLATSKANIE, AND AMBOY
921 AM PDT TUE APR 7 2026
...FROST ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 9 AM
PDT WEDNESDAY...
* WHAT...TEMPERATURES AS LOW AS 33 TO 36 DEGREES WILL RESULT IN
FROST FORMATION.
* WHERE...WILLAPA HILLS AND ADJACENT RIVER VALLEYS OF PACIFIC AND
WAHKIAKUM COUNTIES, LOWER COLUMBIA RIVER AND COWLITZ RIVER
VALLEYS, NORTH OREGON COAST RANGE LOWLANDS, NORTH OREGON COAST
RANGE, UPPER HOOD RIVER VALLEY, NORTH CLARK COUNTY LOWLANDS, AND
SOUTH WASHINGTON CASCADE FOOTHILLS.
* WHEN...FROM 11 PM THIS EVENING TO 9 AM PDT WEDNESDAY.
* IMPACTS...FROST COULD HARM SENSITIVE OUTDOOR VEGETATION. SENSITIVE
OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE STEPS NOW TO PROTECT TENDER OUTDOOR PLANTS FROM THE COLD.
CONSIDER TEMPORARILY MOVING OUTDOOR POTTED PLANTS INDOORS IF THEY
ARE SENSITIVE TO COLD TEMPERATURES.
CONSIDER TEMPORARILY COVERING SENSITIVE PLANTS WITH A LIGHTWEIGHT
COTTON FABRIC (I.E., BEDSHEETS, THIN BLANKETS), AS THIS WILL HELP
RETAIN HEAT AND PROVIDE FROST PROTECTION FOR YOUR PLANTS.
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT
WWW.WEATHER.GOV/PORTLAND
03
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