* WHAT. Visibility one quarter to one half mile in dense fog. * WHERE. Portions of and south central Indiana and east central, north central and south central Kentucky. * WHEN. Until 10 AM EDT /9 AM CDT/ this morning. * IMPACTS. Hazardous driving conditions due to low visibility.

With temperatures slowly falling and dewpoints remaining elevated, the calm winds and mostly clear skies is allowing some shallow ground fog to develop. Most fog development appears to be confined to areas along and east of a Vincennes to Martinsville to Muncie line. Within this area a few pockets of dense fog or visibilities reduced to under one quarter mile may be encountered. If traveling during the early morning hours, be prepared to encounter patchy fog with sudden visibility reductions. Slow down and allow extra time to reach your destination.

The combination of saturated ground, calm winds, and mostly clear skycover will lead to patchy dense fog this morning. Visibility less than one mile will be possible. Be aware of rapidly changing visibility if commuting during this time.

* WHAT. Visibility one quarter mile or less in dense fog. * WHERE. Portions of east central and southeast Indiana, northeast and northern Kentucky, and central, south central, southwest, and west central Ohio. * WHEN. Until 11 AM EDT this morning. * IMPACTS. Significantly reduced visibility could make driving conditions hazardous.