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Winter Weather Advisory — Gallatin and Madison County Mountains and Centennial Mountains Severity: Moderate. Certainty: Likely. * WHAT...Heavy wet snow possible. Total snow accumulations between 4 and 8 inches, with isolated amounts up to 12 inches above 8000 feet. Snow accumulation in the West Yellowstone area and valleys near the Idaho border of up to 2 inches. Winds could gust as high as 45 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 6 PM Saturday to 6 AM MDT Monday. * IMPACTS...Travel could be difficult. Gusty winds combined with the wet and heavy nature of the snow could bring down tree branches. Isolated power outages are possible. * ADDITIONAL DETAILS...Snowfall amounts will vary drastically from grassy surfaces to roadways, most notably at lower elevations, with accumulations on non-grassy surfaces being confined mainly to between the evening through late morning hours.
The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.