Alerts for cold weather are in effect for nearly half of the U.S. population, running from the northern Plains to the Gulf ...

T​he season's most drastic drop in temperatures is now plowing through the central and eastern states with dangerous wind ...

A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.

Night - Mostly clear. Winds from E to ESE. The overnight low will be 21 °F (-6.1 °C). Sunny with a high of 47 °F (8.3 °C). Winds variable at 4 to 6 mph (6.4 to 9.7 kph). Mostly sunny today ...

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