Extreme cold warnings have returned to the U.S., with dangerously cold temperatures expected in northern states.

Monitor indoor humidity and temperature with the best indoor thermometer. See our top tested models to find out which ones ...

From Feb. 2-4, 1996, 29 years ago, a frigid arctic outbreak gripped the upper Midwest. But this was no ordinary cold wave ...

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Cool, dry and sunny conditions expected across the Philadelphia region through the weekend. NBC10 First Alert meteorologist Marvin Gomez shares when we will see rain again.