PORTLAND, Ore. (KATU) — A Winter Storm Warning is now in effect for parts of Oregon and Washington, bringing moderate to heavy snowfall to the Cascades and Blue Mountains. The National Weather Service (NWS) has warned that the storm could create hazardous travel conditions and low visibility, making it difficult for residents and commuters to get around.

Snowfall Expected to Reach Up to 18 Inches

The NWS issued a Winter Storm Warning for elevations above 3,000 feet until Saturday at 4 p.m. Forecasters predict snow accumulation between 8 and 18 inches, with wind gusts reaching up to 45 mph along exposed ridgetops. Conditions are expected to be particularly dangerous in the Eastern Washington Cascades Crest, where heavy snow and strong winds could create whiteout conditions.

Coast Range to See Snow Showers Over the Weekend

While the Coast Range is also set to experience snow showers from Friday night through Sunday, accumulations will be significantly lower compared to the Cascades. Forecast models suggest a snowfall range of 1 to 3 inches in these areas.

Snow Levels Dropping Throughout the Weekend

According to KATU meteorologists, snow levels are expected to drop progressively throughout the weekend, potentially affecting lower elevations as well. Here’s the expected timeline for snow levels:

• Friday: 3,000 feet by the end of the day
• Saturday: 1,000 feet by evening
• Sunday: 500 feet, with snow possible on most local hills and parts of the Columbia River Gorge
• Monday: 500 feet, with wet snow possible in the morning for most of the Gorge

Portland Metro Area: Rain, Mixed Showers, and Chilly Conditions

The Portland metro area will not see widespread snowfall below 500 feet, but residents should expect chilly temperatures, rain, and occasional mixed showers. The West Hills and other higher elevations could see measurable snowfall, possibly leading to school closures or delays.

Could Sea-Level Snow Arrive Next Week?

Looking ahead to next week, colder air could bring wet snow down to sea level during morning hours. However, meteorologists say accumulation in Portland’s lowlands remains uncertain. Higher elevations above 500 feet are more likely to receive measurable snowfall.

Travel Warnings: Hazardous Road Conditions Expected

Officials are urging residents to delay travel if possible, as the combination of heavy snowfall and strong winds will reduce visibility and create dangerous driving conditions. Wind gusts may also bring down tree branches, increasing the risk of road blockages.

Essential Winter Storm Safety Tips

The National Weather Service advises travelers to be well-prepared if they must venture out. A winter storm survival kit is highly recommended and should include:

• Tire chains
• Booster cables
• Flashlight
• Shovel
• Blankets and extra clothing
• Water and food
• First aid kit

With freezing temperatures, icy roads, and heavy snowfall expected, taking precautions can help prevent accidents and keep residents safe.

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