Dense Fog Advisory
URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
951 AM PST Wed Dec 3 2025
ORZ507-WAZ029-032100-
/O.EXP.KPDT.ZF.Y.0011.000000T0000Z-251203T1800Z/
/O.NEW.KPDT.FG.Y.0015.251203T1800Z-251203T2300Z/
Foothills of the Northern Blue Mountains of Oregon-Foothills of
the Blue Mountains of Washington-
Including the cities of Dayton, Pilot Rock, Athena, Pendleton,
Walla Walla, and Waitsburg
951 AM PST Wed Dec 3 2025
...DENSE FOG ADVISORY IN EFFECT UNTIL 3 PM PST THIS AFTERNOON...
...FREEZING FOG ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING...
* WHAT...Visibilities from one mile to less than a quarter mile in
dense fog.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Foothills of the Blue Mountains of
Washington.
* WHEN...Until 3 PM PST this afternoon.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
Freezing Fog Advisory
URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
951 AM PST Wed Dec 3 2025
WAZ026-032100-
/O.EXB.KPDT.ZF.Y.0011.000000T0000Z-251203T2100Z/
Kittitas Valley-
Including the cities of Ellensburg and Thorp
951 AM PST Wed Dec 3 2025
...FREEZING FOG ADVISORY IN EFFECT UNTIL 1 PM PST THIS AFTERNOON...
* WHAT...Visibilities between a quarter mile to 2 miles in freezing
fog.
* WHERE...Kittitas Valley.
* WHEN...Until 1 PM PST this afternoon.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
951 AM PST Wed Dec 3 2025
WAZ027-032100-
/O.EXT.KPDT.ZF.Y.0011.000000T0000Z-251203T2100Z/
Yakima Valley-
Including the cities of Yakima, Naches, Sunnyside, and Toppenish
951 AM PST Wed Dec 3 2025
...FREEZING FOG ADVISORY NOW IN EFFECT UNTIL 1 PM PST THIS
AFTERNOON...
* WHAT...Visibilities between a half mile to 2 miles in freezing fog.
* WHERE...Yakima Valley.
* WHEN...Until 1 PM PST this afternoon.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
BL
Special Weather Statement
Special Weather Statement
National Weather Service Pendleton OR
747 AM PST Wed Dec 3 2025
ORZ503-505-506-510-032100-
Southern Blue Mountains of Oregon-John Day Basin-Ochoco-
John Day Highlands-North Central Oregon-
Including the cities of Long Creek, North Powder, Ukiah,
Dayville, John Day, Mitchell, Monument, Spray, Brothers, Paulina,
Prairie City, Seneca, Dufur, Maupin, and Moro
747 AM PST Wed Dec 3 2025
Patchy dense freezing fog has been observed on local traffic and
wildfire cameras, with visibilities estimated to be less than a
mile and temperatures below freezing in some of these areas. Area
highways that are being impacted include US Highways 395, 97,
197, 26, and 20, as well as Oregon Highways 218, 216, 208, 207,
206, 74, and 19. Reduced visibilities and ice accretion on
roadways may impact travel. The freezing fog will lift by this
afternoon.
$$
