More dense fog is forecast Wednesday night, with partly cloudy conditions the rest of the week. According to NASA, this ...

We have issued an Local Alert Weather Day today for dense freezing fog this morning across portions of Central Oregon today.

As dense morning fog blankets Northern and Central California day after day, here’s what you need to know about tule fog.

Dense tule fog has gripped the Central Valley, cutting visibility on I‑5, 80 and 99. Where it's worst, driving safety tips, ...

Tule fog becomes especially dense when moist marine air, calm winds and clear skies come together. “The Central Valley is ...

The persistent pattern of freezing fog has yet to change. There thought was that the high-pressure ridge was breaking down and that would de-couple the trapped fog in the region. That has not occurred ...