If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
DENSE FOG ADVISORY IN EFFECT UNTIL 1 AM PST WEDNESDAY...
* WHAT...Visibility one quarter mile or less at times in dense
fog.
* WHERE...Lower Columbia Basin of Oregon.
* WHEN...For the Dense Fog Advisory, until 1 AM PST Wednesday.
* IMPACTS...Hazardous driving conditions due to low visibility in
dense fog.