Dense fog forms when the air near the ground cools enough to reach its dew point, which is the temperature at which water vapor condenses into tiny liquid water droplets suspended in the air.

Houston drivers on Wednesday morning found themselves wrapped in that mysterious grayness we know as fog, which the National Oceanic and Atmospheric Association defines as water droplets ...

Here is a breakdown of our Weather Impact Alert: WHEN: Friday 7 p.m. - Saturday 10 a.m. IMPACT: Dense fog causing reduced visibility on the water, along the coast, and inland. NEED: Drivers should ...

The fog could become locally dense at times with visibilities 1/4 mile or less. The worst visibilities will occur near low-lying areas and bodies of water such as marshes, swamps, rivers ...