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WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING... * WHAT...Heavy snow and blowing snow possible. Total snow accumulations greater than 6 inches possible. Winds could gust as high as 50 mph. * WHERE...Portions of north central and northeast Illinois. * WHEN...From late tonight through Saturday morning. * IMPACTS...Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. The hazardous conditions will likely impact both Friday commutes. Gusty winds could bring down tree branches and power lines. Rapidly falling temperatures Friday night may lead to a flash freeze on untreated surfaces. * ADDITIONAL DETAILS...The strongest winds with the potential for periods of blizzard conditions are expected Friday evening into early Saturday.