Winter Weather Advisory Issued for Idaho Mountains

Heavy snow and strong winds expected through Saturday afternoon

Apr. 15, 2026 at 8:09am

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A sweeping, atmospheric landscape painting in muted tones of grey, white, and blue, depicting a snow-covered mountain range partially obscured by heavy fog and blowing wind, conveying the overwhelming scale and power of a late-season winter storm in the Idaho wilderness.A late-season winter storm brings heavy snow and strong winds to the mountains of central Idaho, underscoring the unpredictable nature of the region's weather.Pocatello Today

The National Weather Service has issued a Winter Weather Advisory for several areas in central Idaho, including the Frank Church Wilderness, Sawtooth/Stanley Basin, and Sun Valley region. The advisory is in effect from early Friday morning through Saturday afternoon, with forecasts calling for heavy snow accumulations and gusty winds.

Why it matters

This winter storm could create hazardous driving conditions and make outdoor activities dangerous in the affected mountain regions. Local authorities are urging residents and visitors to monitor the weather and be prepared for potential road closures, power outages, and disruptions to travel and recreation.

The details

The National Weather Service predicts 6 to 12 inches of snow accumulation, with the highest totals in the central mountains. Winds are expected to gust up to 45 mph, leading to blowing and drifting snow. Temperatures will remain below freezing throughout the event.

  • The Winter Weather Advisory is in effect from 2:09 AM MDT on Friday, April 15 until 12:00 PM MDT on Saturday, April 16.

The players

National Weather Service Pocatello

The regional office of the National Weather Service that issued the Winter Weather Advisory for central Idaho.

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What’s next

The National Weather Service will continue to monitor the storm and provide updates on conditions and any changes to the advisory. Local authorities may issue additional warnings or advisories as the weather event unfolds.

The takeaway

This late-season winter storm is a reminder that mountain weather can be unpredictable, even in the spring. Residents and visitors to the affected areas should take the necessary precautions to stay safe during the hazardous conditions.