Dense Fog Advisory issued August 21 at 8:57AM CDT until August 21 at 9:00AM CDT by NWS

...DENSE FOG ADVISORY WILL EXPIRE AT 8 AM MDT THIS MORNING... ...DENSE FOG ADVISORY WILL EXPIRE AT 8 AM MDT THIS MORNING... Visibilities have been slowly improving during the past hour at Sidney and Alliance, but remain low between Alliance and Sidney. The fog should continue to lift with visibilities improving to six miles or more by late this morning.

from Current Watches, Warnings and Advisories for the United States Issued by the National Weather Service http://ift.tt/2fYKIxa