Hot and humid air was swept away from Washington, D.C., on Sunday and will remain away for the start of the new week, following locally drenching showers and thunderstorms.
After spending much of the first week of September with weather more typical of July, temperatures will return to close to average September levels by early this week in the wake of a strong cool front.
Highs will be near 80 F with lows in the middle 60s. Temperatures will dip into the 50s in some of the northern and western suburbs.
The cool push will not mark the end of warm, humid conditions just yet as temperatures are forecast to rebound later on this week.
The coldest air of the winter is gripping much of the eastern United States and will feature single-digit and sub-zero temperatures in the Northeast this Valentine's Day weekend.
The dangerous cold gripping the eastern United States will set the stage for disruptive snow and ice to unfold from Tennessee and Georgia to Maine Presidents Day into Tuesday.
A multi-vehicle accident involving more than 50 vehicles occurred amid snow showers and brutal cold and led to the shutdown of Interstate 78 in Lebanon County, Pennsylvania, Saturday morning.
Voters heading out to the polls on Saturday, Feb. 20, can expect mild weather and dry conditions for the next step in the 2016 Presidential Election.
Heavy rain will raise the risk of flooding across more than a dozen states in the Southeast on Presidents Day to the East Coast on Tuesday.
Winter's frigid air can bring with it possible plumbing problems, including frozen pipes.