⚠️ Special Weather Statement – Corson; Campbell; McPherson; Walworth; Edmunds; Dewey; Potter; Faulk; Codington; Grant; Hamlin; Deuel; Stanley; Sully; Hughes; Hyde; Hand; Jones; Lyman; Buffalo – Wednesday, August 12, 2026

Event	Special Weather Statement
Severity	Moderate
Urgency	Expected
Certainty	Observed
Area	Corson; Campbell; McPherson; Walworth; Edmunds; Dewey; Potter; Faulk; Codington; Grant; Hamlin; Deuel; Stanley; Sully; Hughes; Hyde; Hand; Jones; Lyman; Buffalo
Effective	8/12/2026, 7:15:00 AM CDT
Expires	8/12/2026, 10:15:00 AM CDT

Special Weather Statement issued August 12 at 7:15AM CDT by NWS Aberdeen SD

Details

Areas of locally dense fog will continue to affect portions of
central and east central South Dakota for the next couple of
hours. If traveling this morning, reduce your speed and use low-
beam headlights when encountering foggy areas.

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