Much colder air and even snowflakes are heading for Harrisburg Tuesday.
Arctic air is set to blast in on Tuesday and hold highs to the lower 40s.
Brisk winds ushering in the cold will create even colder AccuWeather.com RealFeel® temperatures.
The wind and the cold will have many people reaching for winter coasts and turning up their heat.
Tuesday night, temperatures will return to the 20s. On Wednesday, temperatures will fail to climb out of the lower 40s.
While escaping its first snowstorm of the season, Harrisburg could still see wet snowflakes mix in with rain Monday night through Tuesday morning as the arctic air arrives.
The impending cold and snowflakes will serve as a reminder that the official start to winter is just around the corner.
As fast as the arctic air invades the United States, temperatures will quickly rebound later in the week.
One person is dead, and another remains critically injured after a lightning strike in Southern California.
View live updates of hail, damaging winds and tornadoes breaking out across the Ohio Valley and mid-Atlantic.
Cooler-than-normal temperatures are in store for Chicago this week.
While the new week will start off with the chance for an afternoon thunderstorm, pleasant conditions and slightly cooler temperatures will stay through midweek.
More summer-like conditions will return to the PA capital this weekend for a brief time before a front pushes through the region Sunday.
After a hot weekend, Dallas welcomes below normal temperatures this week.
5-12" of rain north of Denver led to serious flash flooding (28th-29th). 108 mobile homes were destroyed and 481 others were damaged in Ft. Collins. 5 people were killed and 40 others injured.
Sharon, PA (1999)
70 mph wind gus in a thunderstorm.
Small but intense storm, said to be the worst in about 50 years, hit southern Mississippi (where Camille hit in 1969). U.S. Coast Guard cutter lost with 39 aboard.