Strong winds were kicking up dust that made it nearly impossible for drivers to see. For several hours, officials closed the 15 in both directions between the state line and Yates Well Road in Nipton. Drivers were tweeting about being stuck in bumper-to-bumper traffic for hours.
Dust storm forces closure of I-15 near Nevada
The winds were also causing problems for people flying out of Las Vegas. ABC affiliate KTNV reported that more than 600 flights were delayed from Harry Reid International Airport because of the high winds.
The road reopened later Sunday afternoon as the winds subsided, but drivers were advised to continue to proceed with caution.