Freezing Fog Advisory

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
234 AM PST Wed Dec 3 2025

ORZ507-WAZ027-029-031800-
/O.NEW.KPDT.ZF.Y.0011.251203T1034Z-251203T1800Z/
Foothills of the Northern Blue Mountains of Oregon-Yakima Valley-
Foothills of the Blue Mountains of Washington-
Including the cities of Pendleton, Yakima, Pilot Rock, Naches,
Waitsburg, Athena, Dayton, Toppenish, Walla Walla, and Sunnyside
234 AM PST Wed Dec 3 2025

...FREEZING FOG ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING...

* WHAT...Visibility generally between one-half mile and one mile in
  fog and freezing fog.

* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
  Oregon. In Washington, Yakima Valley and Foothills of the Blue
  Mountains of Washington.

* WHEN...Until 10 AM PST this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

* ADDITIONAL DETAILS...Webcams show reduced visibilities on portions
  of I-84, SR-204 and SR-11 near Pendleton, Athena and Walla Walla
  and SR-24 and I-82 between Sunnyside and Yakima.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use low beam headlights, and leave plenty of
distance ahead of you.

&&

$$

MD

Special Weather Statement

Special Weather Statement
National Weather Service Pendleton OR
123 AM PST Wed Dec 3 2025

ORZ507-WAZ029-031600-
Foothills of the Northern Blue Mountains of Oregon-
Foothills of the Blue Mountains of Washington-
Including the cities of Athena, Pendleton, Pilot Rock, Dayton,
Waitsburg, and Walla Walla
123 AM PST Wed Dec 3 2025

Patchy dense fog and freezing fog is reducing visibilities down to 1
mile or less in parts of the Foothills of the Blue Mountains in
Washington and Oregon. Webcams show reduced visibilities on I-84
in Mission and Cabbage Hill, SR-204, and SR-11 near Dry Creek,
Weston, and Athena. Fog will continue to settle through the early
and mid morning hours today. Remember to practice safer driving,
including to leave extra space in the car in front of you and
using your low beams

$$