DEATH VALLEY NATIONAL PARK, CALIFORNIA - JULY 11: An unofficial thermometer reads 132 degrees Fahrenheit/55 degrees Celsius at Furnace Creek Visitor Center on July 11, 2021 in Death Valley National Park, California. An excessive heat warning was issued for much of the Southwest United States through Monday. Climate models almost unanimously predict that heat waves will become more intense and frequent as the planet continues to warm. (Photo by David Becker/Getty Images)

DEATH VALLEY NATIONAL PARK, Calif. (AP) — Roads in and out of Death Valley National Park were closed after lanes mud and debris inundated lanes during weekend flash floods in eastern California, western Nevada and northern Arizona. Storm cells dumped localized heavy rain across the region, prompting closures of highways and campgrounds. No injuries were reported. The weather service says more than one inch of rain fell in just 15 minutes near Kingman, Arizona. South of Death Valley, motorists were urged to avoid California’s Mojave National Preserve after flash floods buckled pavement on several roads.