A mild Saturday at Badlands National Park is expected to give way to a much rougher start to November. The National Weather Service forecast issued at 5:41 a.m. MDT October 31 calls for rain and northwest gusts up to 60 mph near Interior on Monday and Monday night. For RV travelers, the useful planning window is before that change—not an assumption that the weekend’s temperatures will continue.
Areas Affected
The forecast point is 2 miles east-northeast of Interior, near the park’s Cedar Pass area. Saturday’s high is forecast near 70°F, with southeast gusts up to 24 mph, followed by a low around 45°F. Sunday is expected to reach 68°F, with gusts up to 28 mph; rain chances rise to 70% Sunday night, mainly after midnight.
Monday brings a forecast high near 57°F and a 90% rain chance. Northwest winds are expected to strengthen to 28–38 mph, with gusts up to 60 mph; similarly strong gusts remain in the Monday-night forecast. These are forecast conditions, not a report that such winds have already occurred or that any road has been closed.
A separate park notice adds another reason to check conditions before entering the North Unit. NPS announced October 29 that the approximately 5,000-acre Big Buffalo Prescribed Burn could begin as early as October 30 if weather and site conditions allow. The planned area is bounded by Big Foot Road, Old Northeast Road, State Highway 240 and badlands formations. The announcement does not establish that burning has begun.
What RV Travelers Need to Know
Travelers using Interstate 90 and Highway 240 should review the updated point forecast and South Dakota road information before committing to a Monday drive. A forecast of strong wind is especially relevant to tall motorhomes and trailers. Build flexibility into departure plans rather than treating a scheduled checkout as evidence that conditions will be suitable for towing.
Cedar Pass is in its reduced-season configuration. On October 31, Recreation.gov’s calendar showed regular campsites closed but Group Loop sites 1–4 marked first-come, first-served. That listing is not a guarantee of an empty space or full summer services. Confirm winter access, vehicle fit and available facilities with the campground before arriving; do not treat a group-loop listing as an ordinary reservable RV site.
Sage Creek is a primitive alternative only for vehicles that meet its restrictions. Its access is via unpaved Sage Creek Rim Road, which NPS warns can close temporarily after storms. There is no water at the campground and generators are prohibited. NPS pages give differing 18- and 19-foot vehicle limits, so travelers near either threshold should obtain confirmation from the park rather than assume access.
If the prescribed burn proceeds, smoke may be visible during and after operations. NPS directs visitors to AirNow for current air-quality information; the burn notice is not an air-quality reading. Check the park’s current alerts, the forecast and road conditions again before departure, especially if the trip extends into Monday’s wind and rain.
Sources checked October 31, 2026: National Weather Service forecast; NPS prescribed-burn announcement; NPS campground guidance; 2026 park compendium; Cedar Pass reservations and season; Park alerts; South Dakota 511; AirNow.
Photo: NPS / Mackenzie Reed, Badlands National Park, October 3, 2017. Public domain, full granting rights. NPS use policy. No claim to original U.S. Government works. Official web-sized version; displayed proportionally.