According to the National Weather Service, the lower the wind chill temperature, the greater you are at risk of developing frostbite. Wind speed can also affect the onset of frostbite.

According to the National Weather Service, the lower the wind chill temperature, the greater you are at risk of developing frostbite. Wind speed can also affect the onset of frostbite.

According to the National Weather Service, the lower the wind chill temperature, the greater you are at risk of developing frostbite. Wind speed can also affect the onset of frostbite.

Here's what you should know about frostbite, its symptoms, stages, and how to treat it, during Kentucky's freezing weather.

According to the National Weather Service, the lower the wind chill temperature, the greater you are at risk of developing frostbite. Wind speed can also affect the onset of frostbite.

The National Weather Service warned the Citizen Times that extremely low wind chill values could lead to frostbite, hypothermia.

Dangerous freezing weather has settled over Central Indiana this week, with wind chills of 10 to 20 degrees below zero Tuesday into Wednesday, according to the National Weather Service. When it ...

The National Weather Service warned that North Dakota could see temperatures as low as -40, carrying the potential for frostbite. KENA BETANCUR/AFP via Getty Images© KENA BETANCUR/AFP via Getty ...

Wind chill chart shows when frostbite is a danger A chart from the Weather Service shows the relationship between temperature, wind and how long before frostbite occurs.

Measured in stages of severity, frostbite is the freezing of skin and the body tissue just beneath it, according to the National Weather Service.

The National Weather Service warned the Citizen Times that extremely low wind chill values could lead to frostbite, hypothermia.