Add Yahoo as a preferred source to see more of our stories on Google. While California's Central Valley was experiencing a persistent form of "radiation fog" in late 2025, the fog wasn't radioactive.

GOOD INFORMATION TO KNOW. WELL, ACCORDING TO THE NATIONAL WEATHER SERVICE, THERE ARE SIX DIFFERENT TYPES OF FOG IN TODAY’S WEATHER. EXTRA METEOROLOGIST LUKE VICKERY EXPLAINS HOW RADIATION FOG FORMS.

Fog occurs naturally in the atmosphere, and several sciences explain its formation. In Florida, fog can form at any time of year if the right atmospheric conditions are present. However, it highly ...

The long weekend and early workweek have thus far brought lots in the way of cool and comfortable conditions. The region has been thriving under an expansive ridge of high pressure, but the tranquil ...

A giant blanket of radiation fog has smothered California’s Central Valley for several days and is expected to linger for days more. But fear not, the fog has nothing to do with nuclear meltdowns or ...

The Ozarks are no strangers to foggy nights and mornings. The fog this morning may have you asking yourself what fog is and how it forms. Let’s take a look. Not all fog is the same. In fact, there are ...

As states across the northern tier of the country deal with ice and snow during the winter season, Florida can see its own unique hazard - dense fog, which can reduce visibility and create dangerous ...

Heavy fog could make driving hazardous in Sacramento and other Central Valley communities for Thursday morning. The National Weather Service issued a dense fog advisory at 2:30 a.m. Visibility was ...

What’s behind all the fog slamming Sacramento and the Central Valley this winter? Known as tule fog, the weather phenomenon has hit the Central Valley with day after day of thick morning fog, ...