The weather watches issued Thursday for northeast Missouri and western Illinois have been upgraded to warnings and advisories for New Year's Day.

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The National Weather Service has issued a Winter Storm Warning for most of the area, with a Winter Weather Advisory posted for those south of Hannibal.

The warnings and advisories take effect at 6 a.m. and run through midnight Saturday.

Specifically, the Winter Storm Warnings have been posted for:

Clark County, MO & Hancock County, IL - Heavy snow is expected, with total snow accumulations of 4 to 8 inches.

Adams & Brown counties, IL and Knox, Lewis, Shelby & Marion counties, MO. - Heavy mixed precipitation is expected, with total snow accumulations of 4 to 6 inches, sleet accumulations from one to two-tenths of an inch and a light glaze of ice.

The less severe Winter Weather Advisory goes into effect at 6 a.m. Saturday for Pike County, IL and Monroe, Ralls, Pike and Audrain counties MO - Mixed precipitation is expected, with up to two inches of snow, one to two tenth of an inch of sleet and around a tenth of an inch of ice.

Depending on where you are, travel could be difficult. Along with the wintry precipitation, temperatures will be dropping to single digits and winds will pick up Saturday, with lows in the single digits and sub-zero wind chills.

You can track road conditions in Missouri by going to the MODOT Traveler's Information Map, and in Illinois by going to Gettingaroundillinois.com.

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