Parts of Arizona have been engulfed by monsoon weather this week, sending an apocalyptic-looking wall of dust across Phoenix.

The dust storm, called a haboob, limited visibility to near zero on Phoenix highways during the Monday commute, KSAZ reported.

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The National Weather Service warned drivers it was “life-threatening” to travel, as dusts reached 50 to 70 mile an hour winds and temperatures topping 100 degrees Fahrenheit.

On Tuesday, a Union Pacific train derailed on the east side of Interstate 10, just north of Marana, Arizona.

Authorities say the derailment was caused by heavy rain from a monsoon storm in southern Arizona. Northwest Fire District officials said about 20 cars went off the rails, the Arizona Republic reports.

A Union Pacific train derailed on the east side of Interstate-10 just north of Twin Peaks Road in Marana, Ariz., Tuesday, July 10, 2018. Northwest Fire District officials say about 20 cars went off the rails as a strong storm was going through the Marana area near Interstate 10.

Credit: Kelly Presnell

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Credit: Kelly Presnell

No injuries have been reported.