It was meant to highlight a polar vortex sweeping the Midwest and East Coast this week, forcing 220million Americans to contend with temperatures as low as -50F.

But unfortunately, this weather forecast ended up emphasizing something else altogether.

The WLKY News Louisville graphic bears an uncanny resemblance to a pair of perky pink breasts - featuring two perfectly placed nipples.

This WLKY News Louisville graphic bears an uncanny resemblance to a pair of perky pink breasts - featuring two perfectly placed nipples

The hilarious gaffe was spotted by eagle-eyed viewers monitoring one of the coldest spells in history.

Temperatures could hit -50F in North and South Dakota and parts of Minnesota, making it too cold for people to go outside safely.

A state of emergency has been declared in Wisconsin, Michigan and Illinois as well as in Alabama and Mississippi.

The polar vortex is here and it's wreaking havoc on tens of millions of people across the United States who are bracing for a deep arctic chill that has halted postage services in five states. Pictured above: Icicles form on the walkway at North Avenue Beach of Lake Michigan in Chicago Tuesday

Delivery and other services will be suspended in Minnesota, western Wisconsin, Iowa, Nebraska and western Illinois (pictured is the Chicago River)

The National Weather Service's Chicago office warned Wednesday could be the coldest day in the city of all time.

It said 'dangerously cold wind chills could cause frostbite on exposed skin in as little as 5 minutes' and advised covering any exposed skin and keeping pets indoors.

According to meteorologist, Ryan Maue, Chicago will be colder than the North Pole on Thursday. 'The Arctic Ocean including North Pole will probably be around -20F but that's normal over the snow covered ice,' Maue tweeted.

The James J. Versluis, a 90-foot icebreaker tugboat, breaks ice through Lake Michigan in Chicago on Tuesday

Detroit's outlook was for Wednesday overnight lows around minus 15, with wind chills dropping to minus 40

It's so cold in Chicago, crews had to set fire to commuter rail tracks to keep the trains moving smoothly

Forecasters in Iowa have warned people to 'avoid taking deep breaths, and to minimize talking' if they go outside.

Winter Storm Jayden has already been blamed for at least four weather-related deaths in Midwestern states, and authorities believe it will continue to be life-threatening throughout the week.

A polar vortex describes the mass of low-pressure and cold air in the stratosphere above the Arctic.

Many times during winter in the northern hemisphere, the polar vortex will expand, sending cold air southward with the jet stream.