A massive search operation is underway after a passenger aircraft carrying 64 people collided midair with a US Army Black Hawk helicopter near Reagan National Airport outside of Washington, DC, ...

Officials believe there are no survivors after a passenger plane on approach to Reagan National Airport near Washington, DC, ...

Chicago is experiencing unseasonably mild temperatures, with a 10.7-degree Fahrenheit deviation from the five-year historical ...

While temperatures are expected in the low 50s Thursday, National Weather Service officials cautioned a storm system on the horizon could possibly create localized ice jam flooding on rivers.

Stunning satellite imagery reveals the aftermath of a deep freeze in Chicago, showcasing ice formations on Lake Michigan and ...

Dry, gusty conditions in Northeastern Illinois led the National Weather Service to issue a fire weather watch for the entire ...

A wind advisory and a fire weather watch were issued Monday for parts of the Chicago area, the National Weather Service said, ...

Chicago's weather forecast predicts a weekend warm-up with sunny skies and temperatures approaching 37 degrees.

Chicago's weather forecast predicts a warming trend after a cold spell, with some flurries and sunnier days ahead.

An historic January storm dumped more deep snow along the U.S. Gulf Coast on Wednesday after bringing Houston and New Orleans ...

Follow NBC News live updates for the latest coverage of the freezing winter weather affecting large swaths of the U.S., from ...