Dense fog again today in Minn.

WILLMAR -- Widespread fog and areas of dense fog are expected this morning in the Willmar area and most of the rest of southern Minnesota.

The National Weather Service in Chanhassen says visibilities of a quarter mile or less are expected, and drivers are urged to use caution as visibilities could be near zero at times. Slick spots should be expected on untreated roadways and surfaces as well as temperatures are around or below freezing early this morning.

The dense fog advisory is in effect until 10 a.m.