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Partly flooded white sand dunes with yuccas in the foreground, dark mountains and heavy rain beneath storm clouds

Park news · White Sands

White Sands: A Flash Flood Warning Hit the Park and Its Surroundings

The National Weather Service issued an official flash flood warning for the White Sands area on September 29.

By David Sanchez,

If you were tracking the weather around White Sands in late September, here's one episode worth keeping in mind for the rest of your trip. On September 29, 2026, the National Weather Service issued a flash flood warning covering the park area. The warning ran from 4:22 PM until 7:15 PM local time on September 29 before it was lifted. We're mentioning it because this kind of event happens here again and again, and it's worth knowing how to react before you get back on the road.

According to the National Weather Service, the affected area covered two New Mexico counties, Dona Ana and Otero. That's exactly the stretch you drive through to reach the gypsum dunes, which makes the news real for a traveler on the way in. The White Sands desert looks dry, but its flat ground holds water poorly, and a heavy downpour can turn a low road or track into an impassable sheet in minutes.

The advice from weather officials comes down to one simple idea, and we'll pass it along in our own words. A road covered in water is a road you don't cross, not even in a car. The depth and force of the current are very hard to judge from inside a vehicle, and that's exactly where these floods claim the most lives. Turn around instead of trying to get through, wait it out, and pick another route.

To plan your visit with peace of mind, get in the habit of checking local alerts the day of, especially between July and October, the monsoon storm season in this region. Skip any flooded road and wait it out on dry ground until the water drops. You'll find our advice on access, seasons, and safety in the White Sands park guide, which we keep up to date so your visit goes smoothly. A warning like the one on September 29 stays a one-off, but it's a useful reminder that here, the weather sets the schedule.