Weather Warning

AREAS AFFECTED : MARSHALL; ROBERTS; DAY; CODINGTON; GRANT; HAMLIN; DEUEL

* WHAT...Visibility one quarter mile or less in dense fog. 
 
* WHERE...Codington, Day, Deuel, Grant, Hamlin, Marshall, and 
Roberts Counties. 
 
* WHEN...Until 10 AM CDT this morning. 
 
* IMPACTS...Low visibility could make driving conditions hazardous.