Bexar

... Dense fog advisory remains in effect until 10 am CST this
morning...

* visibility... less than one quarter of a mile.

* Impacts... drivers will encounter areas of dense fog... which
will reduce visibilities to a low as one quarter of a mile or
less.

Precautionary/preparedness actions...

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.