BOISE, Idaho — WHAT/WHEN: A plume of Pacific moisture will arrive in eastern Oregon and parts of southern Idaho late Thursday , with widespread precipitation expected across the lower elevations by early Friday. Precipitation will start off as showers and will develop into light but steady rainfall Friday night into Saturday morning , tapering to showers by Saturday night.

Snow will likely start falling in the Blue Mountains of Oregon and the West Central Mountains of Idaho by Thursday afternoon, with a couple inches of accumulation possible before the wet weather arrives in SW and central Idaho overnight Thursday into Friday morning.

IMPACTS :

Snow-covered and slick roads above ~5,000’, especially on higher passes.

Reduced visibility during heavier snow bands.

Light but ste

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