(SOUTHERN COLORADO) — Southern Colorado was covered in fog over the weekend, and while it’s not an uncommon phenomenon, you may be wondering how fog forms in the first place? There are several types ...

In recent weeks California's Central Valley has been blanketed with a thick dense fog known as tule (TOO-lee) fog, causing massive vehicle pileups along Interstate-5 along Highway CA-99. It's a type ...

Radiation fog occurs overnight with clear skies and calm winds happen and there is some moist air present. Overnight, the clear skies allow heat from the day to radiate into space, and as the earth’s ...