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Snow Blankets Montana, Closing Beartooth Pass and Dumping 16 Inches Near Idaho Border

Forecasters said some mountain areas could get 12 inches of snow and winds above 50 mph, creating hazardous travel and possible road closures.

  • On Sunday, June 28, 2026, a rare late-June winter storm brought heavy snow and cold temperatures to the northern Rocky Mountains, prompting National Weather Service winter storm warnings across Idaho, Montana, and Wyoming.
  • A deep upper-level trough drove an unseasonably cold air mass into the region, causing temperatures to plunge 15 to 20 degrees below normal and replacing summer sunshine with midwinter-like conditions.
  • Higher elevations in Montana and Idaho received between four and 16 inches of wet snow, while exposed mountain areas faced wind gusts of 45 to 50 mph, creating hazardous travel conditions.
  • The agency advised travelers to delay backcountry trips due to hypothermia risks and blocked roadways, complicating access to national parks ahead of the Independence Day holiday.
  • Wildlife photographer Julie Argyle observed fresh snow blanketing Yellowstone National Park, while data confirms the rarity: Idaho has recorded only two such June storm warnings since 2020.
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Fox Weather broke the news on Sunday, June 28, 2026.
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