If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
DENSE FOG ADVISORY IN EFFECT FROM 6 PM CST /5 PM MST/ THIS
EVENING TO NOON CST /11 AM MST/ FRIDAY...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of central, north central and northeast South
Dakota.
* WHEN...From 6 PM CST /5 PM MST/ this evening to noon CST /11
AM MST/ Friday.
* IMPACTS...Hazardous driving conditions due to low visibility.
* ADDITIONAL DETAILS...Patchy freezing drizzle overnight may
create slick roadways and walkways.