Weather Weather

A man walks through the streets of Boston on Thursday as snow falls from a massive winter storm. Schools and businesses throughout the Boston area were closed during the storm. Spencer Platt/Getty Images hide caption

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Spencer Platt/Getty Images

A fan dressed as Santa gestures in the snow during a game between the Chicago Bears and the Cleveland Browns in Chicago on Sunday. The storm system that brought Christmas Eve snow to Chicago is now passing over the Northeast. David Banks/Getty Images hide caption

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David Banks/Getty Images

Nancy and Christian Schneider live in the Holly Lake Mobile Home park, where they haven't had electricity in their home since Hurricane Irma struck Florida over a week ago. Elissa Nadworny/NPR hide caption

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Elissa Nadworny/NPR

An image of Western Hemisphere lightning storms, captured Feb. 14 over the course of one hour. Brighter colors indicate more lightning energy was recorded (the key is in kilowatt-hours of total optical emissions from lightning.) The most powerful storm system is located over the Gulf Coast of Texas. MATLAB/National Oceanic and Atmospheric Administration hide caption

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MATLAB/National Oceanic and Atmospheric Administration

A woman walks in whiteout conditions in Boston on Thursday. Sunday's forecast promises similarly daunting conditions, as a winter storm bears down on the Northeast. Scott Eisen/Getty Images hide caption

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Scott Eisen/Getty Images

A composite image of Earth taken at 1:07 p.m. ET on Jan. 15 by the GOES-16 satellite. National Oceanic and Atmospheric Administration hide caption

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National Oceanic and Atmospheric Administration