The UFC has vowed to carry out the fight, regardless of all but the most severe weather

The White House is set to host a rare outdoor UFC fight card on Sunday, but swampy heat has the NWS warning of “hazardous” conditions.

“I can’t rule out a shower or a storm, but I don’t think it's going to be an issue,” said Topper Shutt, chief meteorologist for WUSA 9.

The UFC Freedom 250 event is set to take place on Sunday, which is both Flag Day and President Donald Trump's 80th birthday.

How to watch UFC Freedom 250 and what to watch for during the card on the White House South Lawn

The UFC are set to host a monumental event on the grounds of the White House this weekend, but there has been some concern about the weather

The event is set to begin at 8 pm on June 14

White House grounds have hosted concerts and Easter egg rolls, but never a live sporting event, let alone an MMA cage-fighting spectacle.

Paris has the Eiffel Tower. Washington has "the claw" — a nearly 30m-tall UFC structure Trump has joked may never come down.

The UFC fighters won’t be the only bloodthirsty ones at the event.

UFC boss Dana White looks to make history on Sunday by bringing mixed martial arts to the South Lawn

Stage is set for Trump’s birthday bash as the president’s DC-wide makeover includes massive MMA event on the south lawn

The bloody tournament and other activities on the National Mall are expected to draw tens of thousands of people.

A Monster Energy-sponsored MMA show on the White House’s South Lawn was never going to be the height of dignity. But UFC Freedom 250 is failing to clear even the lowest bar.

UFC Freedom 250, one of the most unique sports events in modern history, is set to take place Sunday, coinciding with Trump’s 80th birthday.

Storms will build with the afternoon heat in the DC area on Sunday and could overlap with the UFC fights.

The UFC has vowed to carry out the fight, regardless of all but the most severe weather

UFC is no stranger to hyperbole and strange occurrences. Friday’s press conference to tout its Freedom 250 event featured plenty of both.

Dana White has acknowledged the weather challenges around UFC Freedom 250, but has insisted that changing plans is highly unlikely.