Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

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Dangerously cold wind chills are forecast at various times this week during the late night and early morning hours. Check out these resource pages to learn about wind chill and how you can prepare for the cold temperatures.

Wind Chill Chart
Wind Chill Reference and FAQ
General Winter Safety
Cold Weather Safety
Before the Cold | During the Cold | After the Cold
Local Probabilistic Snowfall Forecasts
Winter Storm Severity Index

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Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

Dangerously Cold Wind Chills This Week