⚠️ Dense Fog Advisory – Roberts; Codington; Grant; Hamlin; Deuel – Monday, June 29, 2026

Dense Fog Advisory issued June 29 at 2:07AM CDT until June 29 at 9:00AM CDT by NWS Aberdeen SD

Details

* WHAT…For the Dense Fog Advisory, visibility one quarter mile or
less in dense fog. For the Heat Advisory, heat index values up to
102 expected.

* WHERE…Codington, Deuel, Grant, Hamlin, and Roberts Counties.

* WHEN…For the Dense Fog Advisory, until 9 AM CDT this morning. For
the Heat Advisory, from noon today to 8 PM CDT this evening.

* IMPACTS…Hot temperatures and high humidity may cause heat
illnesses. Low visibility could make driving conditions hazardous.

Instructions

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

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.