Monday's storm left tens of thousands of houses and business without power, and caused extensive delays at Phoenix Sky Harbor Airport as flights were grounded Monday afternoon.

Monsoon storms are developing across Arizona. A dust storm warning was put into effect south of the Valley in Pinal County.

Maintenance on an air conditioning unit inside Terminal 4 at Phoenix Sky Harbor International Airport on Wednesday morning resulted in long wait times at security checkpoints for travelers.

An air conditioning unit in Terminal 4 of the Phoenix Sky Harbor Airport was deactivated for routine maintenance and stayed off longer than expected.

The Sky Harbor Terminal 3 expansion project is necessary to help the airport serve a rising number of travelers, according to Phoenix Sky Harbor Aviation Director Chad Makovsky.

From Barrio Cafe to Tacos Chiwas to Ajo Al's to Blanco Tacos, here's every Mexican restaurant at Phoenix Sky Harbor Airport and where to find it.

An air conditioning unit in Terminal 4 of the Phoenix Sky Harbor Airport was deactivated for routine maintenance and stayed off longer than expected.