Researchers have created a map of the Northern Hemisphere showing how location and humidity can affect precipitation, illustrating wide variability in how and why different areas receive snow or rain.

Over the next two weeks, extreme levels of humidity are forecast to hit around 40 states, with the first wave of very muggy weather building in central and eastern states through Thursday. Across the ...

PHILADELPHIA (CBS) -- You may have noticed that in our broadcasts here on CBS3, we constantly refer to a thing called the "dewpoint" during the summer months. Many have asked "what about the relative ...