Waves of frigid air and episodes of snow will affect the Harrisburg area through the end of the month.
Highs Friday will be within a couple degrees of 20 F.
It may not be until Saturday before temperatures briefly approach the freezing mark, only to plummet again.
Additional Alberta Clipper storms will swing through the region into next week.
A large Alberta Clipper storm passing by to the north this weekend can bring a period or two of snow on Saturday, followed by a return of cold air Saturday night.
Another Alberta Clipper may visit the area during Sunday night into Monday with a chance of snow.
The air following the Monday clipper could rival the coldest of the season so far.
Tune in to AccuWeather Live Mornings every weekday at 7 a.m. EST. We will be talking about the persistent bitterly cold air and any more chances of snow.
Tropical moisture from the approaching Odile will deliver another round of heavy rain and flooding downpours to the interior Southwest by the middle of this week.
The remnants of Odile have the potential to bring heavy rain and flooding to parts of the Plains and Midwest late this week after hitting the Southwest.
Edouard has become the fourth hurricane of the 2014 Atlantic season and additional strengthening is possible.
On Sunday night, a fiery ball of light ignited across the darkened skies of the northeastern United States, illuminating the heavens in a momentary flash of eerie daylight.
Typhoon Kalmaegi is taking aim on southern China and northern Vietnam with life-threatening flooding and damaging winds
Residents and tourists capture footage of the crashing waves and flooding along the coast as Odile whips Baja California Sur.
Concord, NH (1964)
27 degrees, concluded shortest growing season (100 days).
Gulf of Mexico (1988)
Hurricane Gilbert has travelled 2,050 miles since becoming a hurricane on Sept. 11. The storm was centered 130 miles south of Brownsville, TX, just 40 miles off the Mexican coast. Central pressure was 948 MB (27.99 inches), sustained winds of 120 mph and was tracking to the west at 12 mph. The storm came ashore at Tamaulipas, Mexico, during the evening.
At 6:00 p.m. EDT, Hurricane Hugo was located approximately 400 miles east-southeast of San Juan, P.R. With maximum sustained winds of 140 mph, Hugo was moving west-northwest at 12 mph.