Dew point/relative humidity questions come up fairly often and this is a good one. Water vapor in the atmosphere is pretty important for deep-sky observing and photography. The atmosphere can only ...

MINNEAPOLIS (WCCO) --It's not too hard to find the words to describe the Twin Cities' weather over the past few days. "Sticky," said one person. "Hot and steamy," said another. "Clammy," another said.

GREENVILLE, N.C. (WITN) - My June 7th weather trivia question deals with the time of day when relative humidity is the highest. It isn’t always when it feels the muggiest. Term “relative humidity” is ...