On Thursday, the National Weather Service announced a dense fog advisory effective until Friday at 10 a.m. This advisory applies to Central Douglas County, Eastern Curry County, Josephine County, and Jackson County.
The weather service warns,
"Visibility one quarter mile or less in dense fog."They add that
"Low visibility could make driving conditions hazardous."
A dense fog advisory indicates widespread dense fog with visibility frequently dropping to a quarter-mile or less, making travel risky. Extreme caution is advised for anyone on the road.
Summary: The National Weather Service has issued a dense fog advisory in southern Oregon, urging drivers to exercise extreme caution due to visibility dropping below a quarter-mile, which can create dangerous driving conditions.