Dangerous cold triggers flight cancelations at O’Hare, more expected this weekend
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Extreme cold and a major winter storm are disrupting air travel nationwide, with dozens of cancelations already at Chicago airports and more than 1,400 U.S. flights preemptively grounded ahead of snow and ice.

What is an icequake? Term trends amid extreme cold snap in Chicago
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The term "icequake" is trending online as Chicagoland deals with an extreme temperature plunge. FOX Chicago's Kaitlin Cody explains what it is.

Chicago weather: Arctic air brings dangerous wind chills, closes schools

Dangerous cold continues across Chicago through Saturday, with snow arriving this weekend and road conditions likely worsening into early next week.

Why a short trip outside can land you in the ER during Chicago’s deep freeze

Chicago emergency rooms are preparing for a rise in cold-related injuries as extreme temperatures set in, with doctors warning that numbness can mask serious damage and that even short, poorly dressed trips outside can quickly turn dangerous.

What’s causing 'exploding trees' in the Chicago area?

There’s a phenomenon sweeping social media that you may have seen — or even searched for — called “exploding trees."

The lowest wind chill ever recorded

A New Hampshire mountain holds the record for the lowest wind chill ever recorded in the U.S.

What to do if your flight gets canceled due to winter storms

Flight cancellations are likely this weekend as a massive winter storm is expected to cripple much of the U.S. 

Chicago Polar Plunge canceled due to extreme cold, club says

The 2026 Chicago Polar Plunge has been canceled due to the dangerously cold weather expected to hit the Chicago area in the coming days.

Your pre-snow (or ice) storm shopping list

Roughly 150 million Americans are under winter weather watches or warnings for extreme cold as a potentially catastrophic ice storm will stretch from New Mexico to the Carolinas.

Another round of snow before extreme cold hits Chicago area

As many of us turn our focus to Friday’s extreme cold, some people first had to deal with another round of snow Thursday morning.

Icy roads and bitter cold grip the Chicago area
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Good Day Chicago’s Roseanne Tellez talks with residents about snow-covered roads, early-morning plowing, and how people are dealing with the cold.

How to protect your home during Chicago’s extreme cold
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A heating and cooling expert shares practical tips to prevent frozen pipes, furnace failures and poor indoor air quality as an extreme cold warning takes effect.