Wind Chill Frigid Winter Wind Chills Frigid temperatures Below-freezing temperatures Snow Arctic air Snowmelt Kansas City Frigid Temperatures Subzero temperatures Wind-chill Game Conditions Bitter cold Sub-zero temperature Orchard Park Hypothermia Bone-chilling Readings Met Office Bitterly Cold Record Arctic air invasion Jan. 7 Buffalo National Weather Service Shelter Low 20s Freezing Sub-zero Adjustment Sub-zero temperatures Windchill NFL Game