WWUS76 KPQR 150739
NPWPQR

URGENT - WEATHER MESSAGE
National Weather Service Portland OR
1239 AM PDT Wed Apr 15 2026

ORZ104>107-109-114>118-123-WAZ204-205-208-152100-
/O.NEW.KPQR.FR.Y.0003.260416T0800Z-260416T1600Z/
North Oregon Coast Range Lowlands-Central Oregon Coast Range
Lowlands-North Oregon Coast Range-Central Oregon Coast Range-
Tualatin Valley-West Central Willamette Valley-East Central
Willamette Valley-Benton County Lowlands-Linn County Lowlands-
Lane County Lowlands-Clackamas County Cascade Foothills-Cowlitz
County Lowlands-North Clark County Lowlands-South Washington
Cascade Foothills-
Including the cities of Tigard, McMinnville, Battle Ground, Grand
Ronde Indian Reservation, Valsetz, Horton, Woodland, Hoskins,
Welches, Wilsonville, Rockcreek, Alsea, Dallas, Monmouth,
Hillsboro, Alma, Creswell, Sherwood, Wilson River Summit, Mary's
Peak, Salem, Cottage Grove, Sheridan, Ridgefield, Toutle,
Hockinson, Lebanon, Jewell, Longview, Monroe, Castle Rock,
Kalama, Harrisburg, Amboy, Glenwood, Kelso, Yacolt, Brush
Prairie, Knappa, Woodburn, Molalla, Albany, Philomath, Corvallis,
Grand Ronde, Cherryville, Vernonia, Junction City, Rhododendron,
Silverton, Brownsville, Lake Merwin, Keizer, Stayton, Mapleton,
La Center, Forest Grove, Necanicum, Sunset Summit, Eugene,
Springfield, Newberg, and Brightwood
1239 AM PDT Wed Apr 15 2026

...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM PDT THURSDAY...

* WHAT...Temperatures as low as 33 to 36 degrees will result in
  frost formation.

* WHERE...Central and Southern Willamette Valley, Northern and
  Central Coast Range Valleys and Mountains of Oregon, Tualatin
  Valley, Clackamas County Cascade Foothills, Cowlitz County
  Lowlands, North Clark County Lowlands, and South Washington
  Cascade Foothills.

* WHEN...From 1 AM to 9 AM PDT Thursday.

* 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.

&&

$$

ORZ121-152100-
/O.NEW.KPQR.FZ.A.0002.260416T0800Z-260416T1600Z/
Upper Hood River Valley-
Including the cities of Parkdale and Odell
1239 AM PDT Wed Apr 15 2026

...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY
MORNING...

* WHAT...Sub-freezing temperatures as low as 28 to 32 possible.

* WHERE...Upper Hood River Valley.

* WHEN...From late tonight through Thursday morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To prevent water pipes from freezing; wrap or drain or allow them to
drip slowly.

&&

$$

ORZ124-125-152100-
/O.NEW.KPQR.FZ.A.0002.260416T0800Z-260416T1600Z/
Cascade Foothills of Marion and Linn Counties-Lane County Cascade
Foothills-
Including the cities of Silver Falls, Mill City, Detroit,
Oakridge, McKenzie Bridge, and Vida
1239 AM PDT Wed Apr 15 2026

...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY
MORNING...

* WHAT...Sub-freezing temperatures as low as 28 to 32 possible.

* WHERE...Cascade Foothills of Marion and Linn Counties and Lane
  County Cascade Foothills.

* WHEN...From late tonight through Thursday morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To prevent water pipes from freezing; wrap or drain or allow them to
drip slowly.

&&

$$

For more information from the National Weather Service visit
www.weather.gov/portland

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