Explosions were heard across the Qatari capital following Tehran’s threat to retaliate for the American air strikes on its nuclear sites.
The Iranian military said the attack was “devastating and powerful”.
US officials said no US personnel were killed or injured in the attack on the air base, the largest US military installation in the Middle East.
Iran, which had been warned by Washington not to retaliate or face massive US military action, had informed the US via two diplomatic channels hours ahead of the attack, as well as Qatari authorities, a senior regional source told Reuters.
Qatar’s defence minister told Al Jazeera its air defences had intercepted missiles directed at the Al Udeid air base.
Iran had issued threats to retaliate against the United States after US bombers dropped 30,000-pound bunker-busters on Iranian underground nuclear facilities at the weekend, joining Israel’s air war against Tehran.
The US al-Asad air base in Iraq had activated its air defence system out of concern of a potential attack, military sources told Reuters.
Iran’s state media IRNA reported that Tehran had launched missiles at US military bases in Qatar and Iraq, but a US military official told Reuters there was no Iranian attack detected at any US military base other than in Qatar.
Kuwait and Bahrain have shut down its airspace starting Monday after Iran’s strikes. (Reuters)