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Joshua Tree National Park

Flood Advisory issued September 6 at 4:18PM PDT until September 6 at 7:15PM PDT by NWS Las Vegas NV

4:18 PM — 7:15 PM

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Southeastern San Bernardino County in southern California... * WHEN...Until 715 PM PDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry arroyos. * ADDITIONAL DETAILS... - At 418 PM PDT, Doppler radar indicated moderate rain, with minor flooding already occurring in the advisory area. Between 0.25 and 0.75 inches of rain have fallen. - Additional rainfall amounts up to 0.25 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Twentynine Palms, Yucca Valley, Twentynine Palms Base, Twentynine Palms Airport, Amboy, Joshua Tree Lake Campground, Joshua Tree and Morongo Valley. - http://www.weather.gov/safety/flood

Overview

Joshua Tree National Park is open 24/7 year-round where two distinct desert ecosystems meet—the Mojave and Colorado deserts. The park is currently operating with full services following earlier 2025 challenges. In early 2025, there was a Eureka Fire in the Covington Flats area (May 30-June 5) that caused temporary closures. The west entrance underwent significant construction throughout 2025, with temporary closures in April (4 days) and August 25-29 for new entrance station paving work—this project has now been completed. There was also a government lapse in appropriations (shutdown) in October 2025, but the park remained open with limited services and law enforcement/maintenance staff on duty. Currently, all three visitor centers (Joshua Tree, Oasis, and Cottonwood) are operating with standard hours: Joshua Tree and Oasis 8am-5pm daily, Cottonwood 9am-3pm. Entry fee is $30 per vehicle (valid 7 days), or use your America the Beautiful pass. Winter (including December) is peak season—expect crowds between Thanksgiving and New Year's. Pack layers for cold, windy conditions; temperatures can drop significantly at night despite sunny days. The park is an International Dark Sky Park, making it exceptional for stargazing. All roads are currently open with no active closures. Water is extremely limited in the park—bring plenty and plan accordingly.

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