Sen. Mark KirkMark KirkJuan Williams: McConnell won big by blocking Obama Battle for the Senate: Top of ticket dominates The untold stories of the 2016 battle for the Senate MORE (R) will return to the Senate on Jan. 3, according to an aide for the Illinois lawmaker.

Kirk has been absent from Capitol Hill since he suffered a stroke in January 2012. The stroke limited Kirk's motor function on the left side of his body. 

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Kirk’s office has provided occasional updates on his recovery, most recently releasing a video of the junior senator climbing Chicago’s Willis Tower in early November.

Kirk has, for the most part, remained out of the public eye, but he has visited with a number of his colleagues during his time in Illinois.

Last month, Kirk said that he planned to return to Washington some time in January.

The Chicago Tribune reported that Kirk’s return to the Senate would be marked by a "significant event." The lawmaker plans to walk up the Capitol steps.

Kirk was elected to the Senate in 2010, taking the seat once held by President Obama.