weather

How cold did it feel Friday? Here's a look!

Social media is blowing up with warnings about exploding trees. Here's what to know about the phenomenon.

How close to historically cold will things get later this week? Here's a look.

Remember wind chill advisories and warnings? They're no longer a thing. Here's what to know about the new kinds of alerts.

People in these areas must prepare for dangerously cold wind chills, which could cause frostbite on exposed skin in as little as 10 minutes.

Here's what one publication says - find out!

Polar vortex? Not quite but it's going to be colder than usual!

Take a wild guess - and you're probably right.

Some believe in the methodology and others do not.

Chief Meteorologist Rusty Mehlberg from FOX 21 shared a look at what December brought us - and what is in store in January!