This is a message from Northumberland County Emergency Services. The National Weather service has issued a wind chill warning beginning tonight through Tuesday evening. Temperatures will be close to zero with wind chills five to ten degrees below zero. Winds will be sustained at twenty to twenty five miles per hour. This is a dangerous situation and we ask everyone to take precautions against frost bite and hypothermia. Please take precautions for outside pets and check on neighbors and friends, especially those that live alone.