Winter Storm Warning: Heavy Snow and High Winds Hit Idaho and Montana

2026-06-28
Winter Storm Warning: Heavy Snow and High Winds Hit Idaho and Montana

Winter storm warnings are in effect for Idaho and Montana mountain regions, with up to 16 inches of snow and 30 mph gusts expected soon.

Severe Weather Alerts Issued

The National Weather Service has issued winter storm warnings for several high-elevation areas across Idaho and Montana. The alerts cover the Lemhi, Bitterroot, Anaconda Pintler, and Big Hole high country, where significant accumulation is anticipated.

Meteorologists predict snow totals could reach up to 16 inches in specific mountainous corridors. Accompanying the heavy snowfall, wind gusts are expected to reach speeds of 30 mph, which may reduce visibility and complicate travel conditions in high-altitude zones.

Travel Impacts on Interstate 90

Commuters and freight drivers should prepare for hazardous conditions on major transit routes. Officials have specifically identified Interstate 90 as a high-risk area during this weather event.

At Homestake Pass, the combination of heavy precipitation and temperature fluctuations may result in slushy road surfaces. Motorists traveling through this pass are advised to monitor real-time weather updates and road condition reports to ensure safe passage.

Regional Summary of Warnings

  • Affected Regions: Lemhi, Bitterroot, Anaconda Pintler, and Big Hole high country.
  • Expected Snowfall: Up to 16 inches in mountainous areas.
  • Wind Speeds: Gusts up to 30 mph.
  • Primary Road Concern: Slush and slippery conditions on I-90 at Homestake Pass.

Local authorities continue to monitor the storm's progression. Drivers in the impacted regions are encouraged to exercise extreme caution and carry emergency supplies if traveling through remote mountain passes.

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