Coldest Day in U.S. in 20 Years

Clockwise from Left: Frost is shown on a bus stop in Detroit. The reflecting pool in front of the U.S. Capitol building is frozen over. A man cycles along the Rideau Canal in Ottawa. A fiery backdrop on a display shows a temperature of two degrees along Lone Oak Road in Paducah, Ky. The Chicago skyline is seen beyond the sea smoke rising off Lake Michigan in Chicago, Illinois. With temperatures -5 degrees, the sun rises over the skyline of Pittsburgh and a frozen Allegheny River. (Graphics: Rachel A./Hamodia. Photo credit: AP Photos)
Clockwise from Left: Frost is shown on a bus stop in Detroit. The reflecting pool in front of the U.S. Capitol building is frozen over. A man cycles along the Rideau Canal in Ottawa. A fiery backdrop on a display shows a temperature of two degrees along Lone Oak Road in Paducah, Ky. The Chicago skyline is seen beyond the sea smoke rising off Lake Michigan in Chicago, Illinois. With temperatures -5 degrees, the sun rises over the skyline of Pittsburgh and a frozen Allegheny River. (Graphics: Rachel A./Hamodia. Photo credit: AP Photos)
Ann Arbor, Michigan  Ice covers the street and cross walk sign as firefighters work to put out a fire that engulfed a pizza shop. Firefighters worked for several hours in temperatures that dipped to 15 degrees below zero to extinguish the blaze.
Ann Arbor, Michigan Ice covers the street and cross walk sign as firefighters work to put out a fire that engulfed a pizza shop. Firefighters worked for several hours in temperatures that dipped to 15 degrees below zero to extinguish the blaze.
Panama City Beach, Florida  Ice-covered plants are seen in Panama City Beach, Fla. Sprinklers left on overnight created the icy cover.
Panama City Beach, Florida Ice-covered plants are seen in Panama City Beach, Fla. Sprinklers left on overnight created the icy cover.
Big Springs, Kansas  Cattle stand on the edge of a frozen pond in a pasture.
Big Springs, Kansas Cattle stand on the edge of a frozen pond in a pasture.
Chicago, Illinois  A man walks past a snow-encrusted bicycle with wind chills nearing minus 30 Fahrenheit on Tuesday in downtown Chicago.
Chicago, Illinois A man walks past a snow-encrusted bicycle with wind chills nearing minus 30 Fahrenheit on Tuesday in downtown Chicago.
Minneapolis, Minnesota  A snowman faces east in the yard of a home. Minneapolis public schools were to be closed for a second day on Tuesday "due to extremely cold temperatures," after Gov. Mark Dayton declared a state of emergency on Monday.
Minneapolis, Minnesota A snowman faces east in the yard of a home. Minneapolis public schools were to be closed for a second day on Tuesday “due to extremely cold temperatures,” after Gov. Mark Dayton declared a state of emergency on Monday.
Cleveland, Ohio  Ice fog partially shrouds the lighthouse at the entrance to Cleveland Harbor Tuesday. An official low of -11 degrees in Cleveland broke the old record of -9 set in 1884.
Cleveland, Ohio Ice fog partially shrouds the lighthouse at the entrance to Cleveland Harbor Tuesday. An official low of -11 degrees in Cleveland broke the old record of -9 set in 1884.
Montgomery, Alabama  The Capitol is seen through a frozen fountain at the Alabama Association of Realtors.
Montgomery, Alabama The Capitol is seen through a frozen fountain at the Alabama Association of Realtors.
New York, New York  Ice forms on rocks on the Brooklyn waterfront across from lower Manhattan.
New York, New York Ice forms on rocks on the Brooklyn waterfront across from lower Manhattan.
Fairfax, Virginia  Ducks are seen on a frozen section of a pond. The National Weather Service said the mercury bottomed out at 3 degrees before sunrise at Baltimore-Washington Thurgood Marshal International Airport, with a wind chill of minus 16.
Fairfax, Virginia Ducks are seen on a frozen section of a pond. The National Weather Service said the mercury bottomed out at 3 degrees before sunrise at Baltimore-Washington Thurgood Marshal International Airport, with a wind chill of minus 16.
Toronto, Canada  The Toronto skyline is pictured with a frozen section of Lake Ontario.
Toronto, Canada The Toronto skyline is pictured with a frozen section of Lake Ontario.
Boston, Massachusetts  Two-month-old Jack Hsi takes a nap sheltered in his baby carrier while snow falls.
Boston, Massachusetts Two-month-old Jack Hsi takes a nap sheltered in his baby carrier while snow falls.