A Winter Storm Warning is in effect from 4pm this afternoon until 7am Wednesday. Heavy snowfall will arrive between 4 PM and 5 PM EST and will continue through 10 PM EST this evening. During that period, snowfall rates of 1 to 2 inches per hour will occur at times, making travel especially difficult. Northerly winds will become gusty up to 35 mph tonight, creating blowing snow and sharply reduced visibility. A Gale warning is also in effect from Marquette to Munising to Grand Marais to Whitefish Point MI.