# HEADLINE
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DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
# DETAILS
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WHAT
Visibility of 1/4 mile or less will be possible in dense fog.
WHERE
Charleston, Dorchester, Inland Berkeley, and Tidal Berkeley Counties.
WHEN
Until 10 AM EDT this morning.
IMPACTS
Low visibility could make driving conditions hazardous.
ADDITIONAL DETAILS
Smoke from recent prescribed burns over the Francis Marion National Forest could result in areas of super fog with fog mixing with smoke. Visibilities in these areas could drop to near 0 resulting in dangerous driving conditions. These areas of super fog could impact the Charleston Metro area through the early morning commute.
ISSUED AT
Friday, October 30, 2026 at 3:59 AM EDT
ISSUED BY
National Weather Service Charleston SC
HEADER
URGENT - WEATHER MESSAGE
# PRECAUTIONARY/PREPAREDNESS ACTIONS
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If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
# AREAS AFFECTED
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Charleston, Dorchester, Inland Berkeley, Tidal Berkeley
Including the cities of Moncks Corner, Daniel Island, North Charleston, Charleston, Saint George, Mount Pleasant, Goose Creek, and Summerville