The National Weather Service in Northern Indiana has extended the dense fog advisory from 9 a.m. until 10 a.m.
The advisory is for most of northern Indiana, including Elkhart, Kosciusko, Fulton, Marshall, Noble, Whitley and numerous other counties.
Widespread dense fog will limit visibilities to less than a fourth of a mile through sunrise. Hazardous driving conditions are expected due to the low visibility.