US equity futures were lower pre-bell Monday as tensions remain high in the Middle East after the UAE and Saudi Arabia reported fresh drone incidents on Sunday, raising traders' concerns around a return to hostilities in the region.

Dow Jones Industrial Average futures were 0.7% lower, S&P 500 futures were down 0.4%, and Nasdaq futures were 0.4% lower.

The UAE defense ministry said that a drone attack from the "western border" had caused a fire at a nuclear plant, while Saudi Arabia reported intercepting three drones that entered from the airspace of Iraq.

President Donald Trump in a post on Truth Social urged Iran to "get moving" with regard to ending the conflict. "For Iran, the Clock is Ticking, and they better get moving, FAST, or there won't be anything left of them," he said.

Among the companies reporting financial results this week are Home Depot (HD), Nvidia (NVDA), Analog Devices (ADI), and Walmart (WMT).

Oil prices were lower, with front-month global benchmark North Sea Brent crude down 0.2% at $109.12 per barrel and US West Texas Intermediate crude 0.3% lower at $100.77 per barrel.

The May US housing market index, slated for 10 am ET, is seen coming in at 34, unchanged from the prior month, according to estimates compiled by Bloomberg.

Cheryl Venable, interim president of the Federal Reserve Bank of Atlanta, is slated to speak on Monday.