Dense Fog Advisory Issued for Codington, Deuel, Grant, and Hamlin Counties
A Dense Fog Advisory is in effect for Codington, Deuel, Grant, and Hamlin Counties until 12:00 PM CDT today, September 27, 2026, with visibility at one quarter mile or less, making driving conditions hazardous.
Drivers in Codington, Deuel, Grant, and Hamlin Counties are advised to exercise extreme caution due to a Dense Fog Advisory issued by the National Weather Service (NWS) Aberdeen, SD. The advisory is effective immediately, September 27, 2026, at 7:54 AM CDT, and will remain in effect until 12:00 PM CDT today, September 27, 2026.
Visibility is reported to be one quarter mile or less in dense fog, creating potentially hazardous driving conditions. The NWS stresses that low visibility can significantly increase the risk of accidents.
Residents traveling within the affected areas are instructed to slow down, use their headlights, and maintain a significant distance from other vehicles. These actions are crucial for ensuring safety during periods of reduced visibility.


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