Special Weather Statement issued April 27 at 5:29AM CDT by NWS Bismarck ND

Areas of fog will reduce the visibility to one half mile or less
in parts of southwest and south central North Dakota this morning.
Motorists should be prepared for rapidly changing visibilities,
and should use extra caution traveling. Use low beam headlights
and be extra cautious at intersections and railroad crossings.

The fog will dissipate by mid to late morning today.