Cass Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Dense Fog Advisory
Issued: 5:07 PM CST Jan. 16, 2017 – National Weather Service

... Dense fog advisory now in effect until midnight CST tonight...

* timing... widespread dense fog will occur through early evening.
Areas of fog will likely linger through the evening... especially
over the Illinois River valley.

* Visibility... a quarter mile or less at times.

* Impacts... fluctuations in visibilities will cause hazardous
driving conditions.

Precautionary/preparedness actions...

A dense fog advisory means visibilities will frequently be
reduced to less than one half mile. If driving... slow down... use
your headlights... and leave plenty of distance ahead of you.


Smith