Warmer air will build from California to Washington into Tuesday raising temperatures to near-record levels and increasing the risk of wildfires in some areas.
Punxsutawney Phil failed to see his shadow on Feb. 2, 2016, predicting an early start to spring for the United States.
As the Denver Broncos and Carolina Panthers clash for the Super Bowl 50 title in Santa Clara, California, on Sunday, they will do so in one of the most energy-efficient stadiums in the world.
A major winter storm brought blizzard conditions to part of the Plains and Midwest this week while severe storms brought damaging tornadoes to the South.
There have been 11 avalanche deaths across the United States this month, the largest number of fatalities in January since 1998.
A storm that brought heavy rain and gusty thunderstorms to Southern California will push heavy snow across the Colorado Rockies and bring potentially damaging winds across New Mexico and western Texas.
Thousands of people will descend on Santa Clara, California, in the days leading up to the big game on Sunday, Feb. 7.
Snow and slippery travel over the central United States will evolve into dangerous blizzard conditions early this week, including on Groundhog Day.
Southern California is facing flooding rain, isolated severe thunderstorms and low-elevation snow to end the weekend, which is common in a strong El Nino weather pattern.
Millions of Americans found themselves digging out several feet of snow this week following the Blizzard of 2016, which ranked as the fourth worst winter storm to slam the Northeast.
Raleigh, NC (1899)
(11th-13th) 17.7" of snow.
Richmond, VA (1899)
(11th-13th) 16.3" of snow, fourth biggest snowfall on record.
Richmond, VA (1932)
83 degrees, tied February record.