Powerful Storm System to Hit Pacific Northwest Mid-Week

Heavy snow, rain, and gusty winds expected across the region

Apr. 13, 2026 at 12:51pm by

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A majestic, atmospheric landscape painting depicting the snow-capped Cascade mountains partially obscured by heavy fog and dramatic lighting, conveying the overwhelming scale and power of the Pacific Northwest's natural environment.The Pacific Northwest's rugged Cascade mountain range braces for a powerful storm system that will bring heavy snow, rain, and gusty winds to the region.Portland Today

A strong weather system is set to impact the Pacific Northwest, bringing widespread rain, heavy snow in the Cascades, and the potential for isolated thunderstorms starting on Tuesday and continuing through Wednesday. The National Weather Service has issued a Winter Storm Watch for the southern Washington Cascades and northern/central Oregon Cascades, with up to 18 inches of new snow expected at higher elevations along with wind gusts up to 45 mph.

Why it matters

This storm system has the potential to disrupt travel, cause power outages, and impact outdoor activities across the region. The heavy snow in the Cascades could make mountain passes treacherous, while the rain and thunderstorms in the valleys and along the coast could lead to flooding concerns.

The details

The storm system will arrive on Tuesday and strengthen through Wednesday, bringing a robust frontal system with widespread precipitation. Rain is expected across the coast and valleys, while heavy snow will fall in the Cascades. The National Weather Service has issued a Winter Storm Watch for the southern Washington Cascades and northern/central Oregon Cascades, with up to 18 inches of new snow possible at higher elevations along with wind gusts up to 45 mph.

  • The storm system will arrive on Tuesday and strengthen through Wednesday.
  • The National Weather Service has issued a Winter Storm Watch from late Tuesday into early Thursday.

The players

National Weather Service Portland

The local office of the National Weather Service that issued the Winter Storm Watch for the Cascade mountain ranges.

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What’s next

Residents and travelers in the Pacific Northwest should monitor the weather forecasts closely and be prepared for potential disruptions to travel and outdoor activities starting on Tuesday.

The takeaway

This powerful storm system has the potential to bring significant snowfall to the Cascade mountains, heavy rain to the valleys and coast, and even isolated thunderstorms, underscoring the need for residents to stay vigilant and prepared for rapidly changing weather conditions in the coming days.