Winter's Balancing Act: Snow Dusts Portland's Heights While Rain Slicks the Valley

Morning: A Chilly Mix and High-Elevation Snow

Portland residents are waking up to a complex weather pattern this Thursday morning, February 19, 2026. The National Weather Service has issued a Winter Weather Advisory that remains in effect until 12:00 PM today, specifically targeting the West Hills, the Chehalem Mountains, and areas with elevations above 500 feet. While the city center is primarily seeing light rain and damp pavement, those at higher elevations are experiencing accumulating snow. The latest updates indicate that southerly winds are keeping temperatures just above freezing in the lower Willamette Valley, preventing significant snowfall downtown. However, a dusting to one inch of wet snow remains possible in localized areas where heavier showers materialize through the late morning hours.

Afternoon: Persistent Clouds and Damp Conditions

As we transition into the afternoon, the Winter Weather Advisory is expected to expire, but the damp, gray conditions will persist. The high temperature today is forecasted to reach 44°F, providing a slight reprieve from the freezing morning start. Cloud cover will remain thick across the Portland metro area, with a 15% to 20% chance of light rain showers continuing throughout the day. While the threat of significant snow accumulation below the 500-foot line has diminished, commuters should remain cautious of slick spots on the roads, particularly on ramps and overpasses that may have retained morning frost. Humidity levels will hover around 76%, adding a biting chill to the air despite the lack of heavy wind.

Evening: Temperatures Dipping Toward the Freezing Mark

By the evening hours, the thermometer will begin its descent back toward a low of 33°F. The sky will stay mostly cloudy, and the atmosphere remains volatile enough that a stray snow shower cannot be ruled out after midnight. Meteorologists note a 20% chance of snow flurries overnight, though no major accumulation is expected for Friday morning's commute. The southerly winds that dominated the early part of the day are expected to calm, leaving a quiet but cold night across the Rose City.

Summary and Safety Notices

For those planning their day, here are the essential statistics for Thursday, February 19:

• Temperature Range: High of 44°F, Low of 33°F.
• Alerts: Winter Weather Advisory for elevations above 500 feet until noon.
• Precipitation: Light rain (15-20% chance) during the day; possible light snow (20% chance) after midnight.
• Wind: Light southerly winds transitioning to calm in the evening.

Drivers traveling through the West Hills or heading toward the Coast Range should be prepared for winter driving conditions. Even as the advisory expires, melting snow and lingering moisture can create hazardous 'black ice' as temperatures drop again this evening. Stay warm and keep your umbrellas handy for the persistent valley drizzle.