Dense Fog Advisory Turns Houston Roads Into a Hazard Zone—What Drivers Need to Know

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If you’ve looked outside this morning, you’ve probably already noticed the thick layer of fog covering the city. It’s not just a light mist—this fog is dense enough to make it hard to see beyond a few car lengths in some areas. The National Weather Service issued a Dense Fog Advisory for Houston and surrounding cities, warning that visibility could drop to less than a quarter-mile in low-lying areas, near rivers, and along major highways.

Dense Fog Advisory Turns Houston Roads Into a Hazard Zone—What Drivers Need to Know

Commuters using routes like I-45, Highway 59, or the Gulf Freeway should expect slower traffic and delays. Visibility issues are already making the morning drive more dangerous, especially in areas prone to pooling fog, like bridges and overpasses. What’s making this fog even trickier is a combination of drizzle and slick roads. If you’re heading out, don’t assume the drive will be smooth—conditions can change quickly.

What’s Causing the Fog?

This dense fog is the result of warm, moisture-rich air from the Gulf of Mexico clashing with cooler overnight temperatures. When the warm air cools quickly, it condenses into thick fog that lingers until the sun warms things up enough to burn it off. This is a common setup for Houston, but it doesn’t make it any less dangerous. Many accidents happen when drivers underestimate how limited their visibility really is.

What You Need to Know About Today’s Forecast

  • Current Conditions: Temperatures are around 64°F (18°C) with light drizzle in some spots, which could make roads slippery.
  • Visibility: Some areas have visibility of less than a quarter-mile, particularly in low-lying zones and near water.
  • When Will It Clear Up? The fog is expected to lift by mid-morning, around 9 AM, and the day will transition to partly sunny skies with highs near 77°F (25°C).

How to Stay Safe While Driving in Fog

Dense fog doesn’t just slow you down—it reduces your ability to react quickly to hazards, making it critical to adjust your driving habits. Here are some simple tips:

  • Turn on Low-Beam Headlights: High beams reflect off the fog and make visibility worse. Stick to low beams to help light the road.
  • Slow Down: Don’t assume the road ahead is clear. Give yourself extra time to stop by driving slower than usual.
  • Leave Extra Space: Keep more distance between you and the car in front of you. Rear-end collisions are common in foggy conditions.
  • Stay Focused: Put away distractions like your phone. In dense fog, even a brief moment of inattention can be dangerous.

Will the Fog Return Tomorrow?

Forecasters are already warning that tonight’s conditions could lead to another round of dense fog early Tuesday morning. If you have morning plans tomorrow, check the latest weather updates before heading out to avoid getting caught off guard.

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