2025年10月12日-13日,蒙大拿州赫勒纳发生了一场重大的季节初雪暴,创下24小时的记录,并造成广泛的破坏. A major early-season snowstorm hit Helena, Montana, on October 12–13, 2025, setting a 24-hour record and causing widespread disruptions.

2025年10月12日-13日,蒙大拿州赫勒纳发生了强烈的季初暴风雪,在赫勒纳地区机场创下24小时的记录,降雪量为2.6英寸. A powerful early-season snowstorm hit Helena, Montana, on October 12–13, 2025, setting a 24-hour record with 2.6 inches of snow at the Helena Regional Airport. 在中部地区,积雪总共达10英寸,造成大面积的树木破坏、下行的电线和道路关闭。 Snow totals reached up to 10 inches in central areas, causing widespread tree damage, downed power lines, and road closures. 北西部能源公司报告说, 造成数千次停电, 大部分在几个小时内恢复. NorthWestern Energy reported outages affecting thousands, mostly restored within hours. 被雪覆盖的道路和冰冷条件持续存在,促使国家气象局发出警告。 Snow-covered roads and icy conditions persisted, prompting warnings from the National Weather Service.