cooler air higher up the mountain to slide down into the valley. As this happens, the temperatures near the surface of the valley begins to cool to the dew point, creating valley fog Valley fog ...

Most Houstonians expect foggy mornings in winter—but did you know Southeast Texas actually has two fog seasons?

The National Weather Service issued a freezing fog advisory at 7:47 a.m. on Friday valid between 8 a.m. and noon for Grande Ronde Valley.

Good Morning. Today will be starting calm and ending stormy. The day will begin with cloud cover and fog over the Basin. Fog could stretch into the whole Valley, but ...

The fog and low clouds should dissipate by mid-morning, giving way to mostly sunny skies. High temperatures will be in the 40s and low 50s. Some valley locations, including Missoula, may struggle ...