⚠️ Dense Fog Advisory – Harding; Northern Perkins; Ziebach; Haakon; Northern Jackson; Mellette; Tripp; Southern Perkins – Thursday, September 17, 2026

Dense Fog Advisory issued September 17 at 6:48AM MDT until September 17 at 9:00AM MDT by NWS Rapid City SD

Details

* WHAT…Visibility less than one quarter mile in dense fog.

* WHERE…Portions of northwestern, south central, and southwestern
South Dakota.

* WHEN…Until 9 AM MDT /10 AM CDT/ this morning.

* IMPACTS…Low visibility could make driving conditions hazardous.

Instructions

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.