Dense Fog Advisory Issued for Bay County

Hazardous driving conditions expected until early Tuesday evening

Published on Feb. 18, 2026

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The National Weather Service has issued a dense fog advisory for Bay County, Michigan, warning of visibility less than one mile and potentially unsafe road conditions. The advisory is in effect from 10 a.m. to 4 p.m. EST on Tuesday, February 17, 2026.

Why it matters

Dense fog can significantly reduce visibility, making driving treacherous and increasing the risk of accidents. This advisory is important for residents and travelers in the Bay County area to be aware of the hazardous conditions and take appropriate safety precautions.

The details

According to the weather service, the dense fog is being pushed inland from Lake Huron by light easterly winds. Locations along the immediate Lake Huron shoreline may see the fog persist throughout the day. The weather service is advising drivers to slow down, use low-beam headlights, and leave plenty of distance between vehicles to navigate the poor visibility safely.

  • The dense fog advisory was issued at 9:59 a.m. EST on Tuesday, February 17, 2026.
  • The advisory is in effect from 10 a.m. EST to 4 p.m. EST on Tuesday, February 17, 2026.

The players

National Weather Service

The federal agency responsible for weather forecasting and issuing weather-related advisories and warnings.

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What they’re saying

“Visibility less than one mile in dense fog" can be expected, according to the weather service.”

— National Weather Service (mlive.com)

“Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.”

— National Weather Service (mlive.com)

What’s next

The dense fog advisory is expected to expire at 4 p.m. EST on Tuesday, February 17, 2026, as the fog is forecast to dissipate by that time.

The takeaway

Residents and travelers in Bay County should exercise extreme caution when driving during the dense fog advisory, as the poor visibility can significantly increase the risk of accidents. Following the weather service's safety tips, such as reducing speed, using low-beam headlights, and maintaining a safe following distance, is crucial for navigating the hazardous conditions safely.