The National Weather Service has issued a wind chill advisory

A large high pressure system containing a bitterly cold air mass over our deep fresh snow pack has produced temperatures well below zero. Combined with five to 15 mph northwest winds... This is producing widespread dangerous wind chills of 15 to 30 below zero until late morning.

•Wind chill values of 15 to 30 below will continue until after 11 a.m.

•The combination of the extreme cold and brisk winds will result in frostbite from exposure to outside elements. Frostbite will occur in 15 minutes to unprotected skin under these conditions.

A wind chill advisory means that very cold air and brisk winds will combine to generate low wind chills...resulting in frost bite and hypothermia if precautions are not taken. If you must venture outdoors...dress in layers covering exposing skin.