
A mostly dry Friday gives Joshua Tree-bound RV travelers a different outlook from the end of the weekend. The National Weather Service forecasts a 70% chance of showers Saturday night and Sunday at the town of Joshua Tree. Inside the national park, an existing rain-related closure of Geology Tour Road remains in effect, so a favorable arrival-day forecast should not be read as an all-clear for every route.
Areas Affected
The gateway forecast, updated at 12:11 a.m. PDT October 30, applies to a point at 3,196 feet in Joshua Tree, not every elevation across the park. It calls for clearing Friday with a high near 69°F, followed by a mostly clear night near 51°F. Clouds increase Saturday, when the high is expected to reach about 65°F.
The more significant change comes Saturday night, with showers likely mainly after 11 p.m. and a low near 54°F. Showers remain likely Sunday, especially before 11 a.m., with a high near 62°F. The chance drops to 20% Sunday evening before a sunnier Monday. These are forecast probabilities and timing estimates, not reports that rain has already begun or that a flash-flood warning is in effect.
NPS’s active October 12 notice says flooding closed Geology Tour Road and urges caution on other park roads. Another current notice identifies a partial closure of the West Side Loop trail in the Black Rock area for repairs, with reopening estimated in November. Hikers and equestrians are directed to connector trails along Black Rock Canyon; the estimated month is not a confirmed reopening date.
What RV Travelers Need to Know
Secure the campsite before entering an area with limited cell coverage. Black Rock and Cottonwood offer water and dump stations, while Jumbo Rocks, Ryan and Indian Cove do not supply water at their campgrounds. Reservations are available through Recreation.gov, including same-day bookings when space remains. An operating campground is not the same as an available campsite, especially during the park’s busy fall weekends.
Match the reservation to the entire vehicle combination. Hidden Valley and White Tank have a 25-foot combined length limit; reservation campgrounds list limits by individual site. The park counts a tow vehicle and trailer, or a motorhome and towed vehicle, as two vehicles. These limits can rule out an otherwise tempting backup site when weather changes a travel plan.
Use the park’s official closure map before choosing a drive or trail, and recheck the NWS forecast near departure. A forecast for the gateway town does not establish conditions on a higher campsite or an unpaved road. Overnight stays must remain at a lawful campsite: sleeping at trailheads, roadside pullouts or parking lots is not an authorized substitute if a reservation falls through.
Sources: NWS Joshua Tree forecast · NPS alerts and conditions · Campgrounds and RV limits · Official closure map · Campsite reservations
Photo: NPS / Hannah Schwalbe, September 29, 2016. Original photo and rights information. Public domain.
