A look at some of biggest snowstorms
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Chicago area, Extreme cold
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A cold front will bring freezing temperatures in Flagler County and much cooler weather in Volusia, according to the National Weather Service.
A spate of frigid temperatures across much of the country will present a test for schools' aging heating systems.
On Sunday, a cold front will push through the area, which will bring the risk for rain and a few thunderstorms. A few storms may be on the stronger side during the late afternoon or evening. Be sure to check back with updates regarding the storm risk this weekend.
The frigid winter weather in 1977 and 2010 also occurred when the Arctic Oscillation was in the negative phase.