Frigid weather will dominate the Pittsburgh area through Friday.
Temperatures Friday morning challenged the record low temperature of minus 1 F set in 1934.
Temperatures are projected to average 20 to 30 degrees below the normal high of 43 F for late February.
The city and much of the Northeast are forecast to be in for wintry precipitation beginning this weekend.
The heaviest snow, ice and rain are likely Sunday into Monday.
Until then, episodes of snow will generally be light and more of a nuisance.
Another push of cold air will follow.
The details on the storm, timing and which forms of precipitation are likely to dominate will follow in the days ahead.
Tune in to AccuWeather Live Midday every weekday at noon EST. We will be talking about the return of cold air in the Midwest and East, as well as more storms and the potential for rain in California.
Winter will continue to get a grip on the weather in the northeastern United States during November as waves of colder air roll in with occasional storms.
A series of storms will continue to roll in from the Pacific Ocean and bring rounds of soaking rain and high-country snow to California into early next week.
Decades-old records may fall across the southern United States as heat dominates the region into next week.
Jerry Isaak, a professor at SUNY Plattsburgh, recently found that social media affects adventurers' decision-making out on backcountry terrain, leading to deadly consequences.
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While wintry weather blasted the northeastern U.S., strong earthquakes struck areas ravaged by a deadly tremor in August.
East Coast (1693)
Great hurricane causes much loss of life from the Carolinas northward.
The Rockies (1971)
Severe early season blizzard over Plateau and Rockies: 27 inches at Lander, WY. Record cold: minus 15 degrees F at Big Piney, WY. Railroads and interstate highways blocked.
Georgia Mountains (1973)
5 inches of snow.