Senators will take an initial procedural vote on "fast track" trade legislation on Tuesday. 

The Senate is expected to take a procedural vote at 2:30 p.m. on a motion to proceed to a House bill related to tax exemptions, which the Senate will use as the legislative vehicle for the trade promotion authority legislation. 

The trade legislation, which would block Congress from amending a trade pact the administration is negotiating with 11 Pacific Rim countries, has divided Democrats, pitting Senate liberals against the administration. 

Senate Minority Leader Harry ReidHarry Mason ReidReid warns Democrats not to underestimate Trump Harry Reid predicts Trump, unlike Clinton, won't become more popular because of impeachment Al Franken to host SiriusXM radio show MORE (D-Nev.) has vowed to block movement on the trade bill until an agreement is reached on a way forward on highway and surveillance bills, both of which face end-of-the-month deadlines. 

The Senate is expected to convene at 10 a.m. for leader remarks and morning business. They'll recess from 12:30 p.m. to 2:15 p.m. for weekly party lunches, before coming back in session for the 2:30 p.m. vote. 

Meanwhile, the House is expected to convene at noon for morning hour, and 2 p.m. for legislative session. 

House lawmakers are expected to debate legislation that would require the Environmental Protection Agency (EPA) and Army to withdraw and re-propose draft regulations to clarify the jurisdiction of the Clean Water Act. 

Votes in the House are expected around 6:30 p.m.