When the temperature plunges unexpectedly, it's a sign of rapid atmospheric changes. Cold fronts often bring harsh weather, ...

Memorial Day weekend weather won’t bring summer heat Another sign is that temperatures are expected to get warmer, Murdock said, a change from a pattern of cold air that has brought frost and ...

As millions of Americans begin another season of winter driving, they may see a sign with a cryptic warning: "Bridge Freezes before Road." (Or perhaps the sign reads "Bridge Ices Before Road" or ...