... Dense fog advisory in effect until 11 am CST this morning...
The National Weather Service in Sioux Falls has issued a dense
fog advisory... which is in effect until 11 am CST this morning.
* Weather conditions... fog will reduce visibility to less than a
quarter mile at times. Visibilities are expected to gradually
improve late this morning.
A dense fog advisory means visibilities will frequently be
reduced to less than one quarter mile. If driving... slow down...
use your headlights... and leave plenty of distance ahead of you.