Thunderstorm wind is the standout hazard at Little Bighorn Battlefield, with 10 recorded events driving the park's weather risk profile. These storms roll across the open Montana plains with little warning, and the monument's exposed ridgelines and treeless terrain give visitors almost no natural shelter when they strike.
When a storm builds on the horizon, get back to your vehicle immediately — the open battlefield offers nowhere to wait it out safely. Pack a NOAA weather radio or download the Weather Underground app before you leave cell range, since signal is unreliable in Big Horn County. Secure any tent stakes and lightweight camp chairs before stepping out to tour the grounds, as sudden gusts can turn loose gear into a hazard fast.
Top recorded hazards in Big Horn County
County dataFrom NOAA Storm Events (2024). Counts of recorded incidents — not all occurred at this park.
- Thunderstorm Wind 10
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About Little Bighorn Battlefield National Monument
This land is a place to honor and reflect on the sacrifices made here on June 25 and 26, 1876, when Lakota, Cheyenne, and Arapaho warriors fought against a deliberate attack by the U.S. Army's 7th Cavalry, led by Lt. Col. George Custer, who sought to enforce policies that threatened their traditional way of life. How are the results of the battle felt in the West and Indigenous communities today?
Weather
Little Bighorn Battlefield National Monument average weather: Spring: 50-60 (F) degree days/ 30+/- (F) degree nights Summer: 70-100 (F) degree days/ 45-60+ (F) degree nights Fall: 40-50 (F) degree days/ 25+/- (F) degree nights Winter: 20-30 (F) degree days/ 0+/- (F) degree nights