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Special Weather Statement
National Weather Service Portland OR
533 AM PDT Sat Oct 31 2026

ORZ109-111-114>118-121-WAZ205-206-311800-
Tualatin Valley-Inner Portland Metro-
West Central Willamette Valley-East Central Willamette Valley-
Benton County Lowlands-Linn County Lowlands-Lane County Lowlands-
Upper Hood River Valley-North Clark County Lowlands-
Inner Vancouver Metro-
Including the cities of Sherwood, Hillsboro, Forest Grove,
Rockcreek, Tigard, Portland, Sellwood, Happy Valley, Lake Oswego,
Oregon City, Eagle Creek, McMinnville, Newberg, Sheridan, Dallas,
Monmouth, Salem, Keizer, Woodburn, Wilsonville, Molalla, Stayton,
Silverton, Corvallis, Philomath, Monroe, Albany, Lebanon,
Brownsville, Harrisburg, Eugene, Springfield, Junction City,
Creswell, Cottage Grove, Odell, Parkdale, Ridgefield,
Battle Ground, Hockinson, Brush Prairie, La Center, Vancouver,
Salmon Creek, and Evergreen
533 AM PDT Sat Oct 31 2026

...AREAS OF FOG AND PATCHY FREEZING FOG IN THE VALLEYS...

Areas of fog, some locally dense, have developed early this
morning the Willamette Valley, Upper Hood River Valley, and
southwest Washington lowlands, resulting in roadway visibility of
one mile or less. Morning commuters should expected to encounter
areas of rapidly changing visibility. Freezing fog is also
possible this morning where temperatures have fallen below
freezing.

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you. If walking or cycling, wear bright or
reflective clothing and carry a light to increase your visibility
to drivers.

$$