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Winter Storm in Siskiyou Mountains & Southern Oregon Cascades, Oregon
Winter Storm March 15, 2025 – March 18, 2025 · Siskiyou Mountains & Southern Oregon Cascades, Oregon
What the National Weather Service wrote
The National Gridded Snowfall Analysis indicated storm totals of 6 to 20 inches at elevations above 4500 feet. Precipitation amounts measured included: 3.10 inches at Fourmile Lake, 2.03 inches at Howard Prairie Dam, and 3.30 inches at Sevenmile Marsh.
The wider storm
A frontal system moved into southern Oregon and northern California on 3/15 then became nearly stationary, oriented from northeast to southwest across the area, from 3/16 into 3/17. Additional snow showers behind the main system lingered into 3/18. The heaviest snow occurred during 3/16.
Source: NOAA Storm Events Database, event 1283605. Narratives are written by the National Weather Service forecast office that issued the report.
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