The Supreme Court will decide on several cases in 2026 that revolve around President Donald Trump in the near term but will have far-reaching consequences for future presidents. 

Here are the biggest high court decisions to watch for in 2026.

First out of the gate, a case that will affect state laws across the country regarding women’s sports. 

The first major case to be argued in 2026 comes Jan. 13, when justices will hear arguments in combined Idaho and West Virginia cases. The cases of Little v. Hecox and West Virginia v. B.P.J. will affect 25 states with laws preventing biological males from competing in women’s sports.

“These are the cases in which states have banned biological males from competing in women’s sports and that’s a very, very important decision,” Han von Spakovsky, a former senior legal fellow at The Heritage Foundation, told The Daily Signal. “It’s going to affect women and girls in K-12 sports in many different states.” 

The arguments could also have federal implications since Trump signed an executive order in February to withhold federal funds from states that allow biological males to play in women’s sports.

In 2020, Idaho lawmakers enacted the Fairness in Women’s Sports Act, banning men and boys from competing in women’s and girls’ sports across all ages and levels of competition. 

Lindsay Hecox, a self-identified transgender athlete who wanted to be on the women’s track and........

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