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'Polar vortex' hits McHenry County

Published: Monday, Jan. 6, 2014 12:33 p.m. CDT • Updated: Tuesday, Jan. 7, 2014 11:33 a.m. CDT

Steam rises from the Fox River in Buffalo Park in Algonquin Friday. A wind chill advisory is in effect through 10 a.m. Friday with temperatures between 8 to 18 degrees below zero expected and wind chill values between 15 and 25 degrees below zero. Temps are expected to creep back into the 20s Saturday before subzero weather hits the area again Sunday and Monday. H. Rick Bamman -hbamman@shawmedia.com