South Dakota Dense Fog Advisory | Effective 04/14/2026 07:50
Public safety alert, emergency alert, and weather alert<br />
Description:<br />
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Marshall County.
* WHEN...Until noon CDT today.
* IMPACTS...Low visibility could make driving conditions hazardous.
Instruction:<br />
If driving, slow down, use your headlights, and leave plenty of<br />
distance ahead of you.