Portland and Vancouver are bracing for a change in weather as an active and unpredictable pattern sets in this week, according to the National Weather Service in Portland, Ore.
The National Weather Service predicts rain, snow, and even isolated thunderstorms, especially in higher elevations like the Cascades. As of this morning, light rain is moving southward, with Portland expected to dry up by late morning. However, a new weather system is expected to bring more precipitation by Tuesday night, followed by a cold front Wednesday. This will likely bring snow down to 1,000-1,500 feet, affecting the Cascades and Coast Range. Travelers should be prepared for slippery roads and winter-like conditions by Thursday night (NWS Portland, 2025).
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