Drivers are urged to slow down and exercise additional caution, especially at intersections and highway onramps and offramps where accidents are more likely to occur. Use low beam headlights and be prepared for rapid reductions in visibility.

DENSE FOG ADVISORY IN EFFECT UNTIL NOON CST THURSDAY... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In northwest Kansas, Rawlins, Decatur, Norton, Thomas, Sheridan, Graham, Logan, Gove and Wichita counties. In southwest Nebraska, Hitchcock and Red Willow counties. * WHEN...Until noon CST Thursday. * IMPACTS...Hazardous travel conditions. * ADDITIONAL DETAILS...Temperatures ranging from 28 to 32 degrees are expected this evening through sunrise Thursday morning. Any snow melt on sidewalks, parking lots and area roads may refreeze into black ice.