Dense Fog Advisory issued August 15 at 4:53AM CDT until August 15 at 9:00AM CDT by NWS

...Areas Of Dense Fog For Morning Commute... .Dense fog has developed across the area this morning, reducing visibilities to 1/4 mile or less at times. Motorists should be prepared for restrictions to visibilities and exercise caution. The fog will lift and dissipate by mid morning. ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING...

from Current Watches, Warnings and Advisories for the United States Issued by the National Weather Service http://ift.tt/2w9ou1J