A monster winter storm is slamming the entire tri-state area — along with half the U.S. — dumping up to 18 inches of snow on parts of the region and unleashing absolute havoc across the country. The timing,

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A major winter storm is hitting Oklahoma. Watch the snow in real time and follow updated radar maps to see when it arrives in your area.

Follow live updates as a winter storm is expected to bring heavy snowfall, icy roads and cold temperatures across the United States.

What to Know A foot or more of snow could blanket the NYC area this weekend, as much of the U.S. is bracing for a massive winter storm. Parts of the region, like Poughkeepsie, could see 18+ inches. It appears the storm will arrive Sunday morning and will lead to hours of snowfall.

A severe winter storm is expected to bring a glaze of ice, dangerously cold temperatures, and potentially a foot of snow to Oklahoma starting Friday.

Follow live winter storm updates and breaking weather news as snowstorms are predicted to fall across the U.S. this weekend, affecting states as far south as Texas.

Some parts of the state had already seen more than 10 inches of snow pile up by the early evening on Sunday, with the heaviest snowfall expected to last into the night.