U.S. Rep. Lauren Underwood appears on “Chicago Tonight” on March 19, 2020.

“This was a tough race under some very difficult circumstances, and I want to say thank you to my supporters, the voters, and our elections officials for their diligent work,” U.S. Rep. Lauren Underwood said Thursday.

Jim Oberweis (WTTW News)

Oberweis Claims Victory; Underwood Confident She’ll Win

Republican Jim Oberweis believes there aren’t enough ballots outstanding that would allow incumbent Democrat Lauren Underwood to overtake his slim lead in Illinois' 14th Congressional district.

(MotionStudios / Pixabay)

Two years after challengers ousted long-serving suburban Chicago Republican congressmen, helping Democrats to seize control of the U.S. House of Representatives, Democrats are looking to cement those gains.

Republican state Sen. Jim Oberweis discusses his effort to unseat incumbent Rep. Lauren Underwood, a Democrat, in Illinois’ 14th Congressional District.

U.S. Rep. Lauren Underwood appears on “Chicago Tonight” on March 19, 2020.

U.S. Rep. Lauren Underwood is competing in one of Illinois’ most watched congressional races this fall. She joins “Chicago Tonight” in discussion.

State Sen. Jim Oberweis appears on “Chicago Tonight” on March 18, 2020. (WTTW News)

Jim Oberweis is a veteran of many campaigns: he’s run for Senate, governor and state office. He’s currently the state senator from North Aurora, and he will take on Democratic U.S. Rep. Lauren Underwood in November.

 Democratic candidates for Illinois’ 3rd Congressional District, from left: Marie Newman, Rush Darwish, incumbent Dan Lipinski and Charles Hughes appear on a “Chicago Tonight” candidate forum. (WTTW News)

Challenger Marie Newman has defeated long-serving U.S. Rep. Dan Lipinski, and the Republican challengers for first-term Democrats Lauren Underwood and Sean Casten are set. Where else things stand across congressional districts.

U.S. Senate Candidate Forum

We share your reactions to last night's U.S. Senate Forum in tonight's Viewer Feedback.

U.S. Senate candidates for Illinois  -- Sen. Dick Durbin and Jim Oberweis -- gave a brief news conference following the forum.

U.S. Senate Candidate Forum

Incumbent Democratic U.S. Sen. Dick Durbin and Republican challenger Jim Oberweis go head-to-head in Chicago Tonight’s Senate Forum.

Chicago Tonight invited Jim Oberweis, the Republican candidate for U.S. Senate, to appear on tonight’s show, but he declined our invitation.

As the latest polls show the race between Sen.  Dick Durbin and his challenger Jim Oberweis tightening, the long-serving Illinois senator joins us to discuss the Senate race, congressional dysfunction, and other hot-button issues.

Downers Grove businessman Doug Truax and entrepreneur Jim Oberweis are competing in the Republican Primary for the opportunity to take on incumbent U.S. Sen. Dick Durbin. Truax joins us. Oberweis has declined our invitation to participate. Read an article, and view bios and career timelines of the candidates.

Welcome to Chicago Tonight’s online coverage of the 2014 race for the U.S. Senate. You can read profiles of the candidates, view timelines of their careers, and catch all of their appearances on Chicago Tonight.

Wednesday, Oct. 22: U.S. Senate Candidate Forum

Jim Oberweis is throwing his hat in the ring to become Illinois' next U.S. Senator in 2014.