Medford, OR – Holiday travelers across northern California and southern Oregon could face hazardous road conditions as a second winter storm system brings colder air and accumulating mountain snow through Thursday and Friday.
According to the National Weather Service in Medford, a low-pressure system moving into the region will lower snow levels significantly, increasing the risk of snow-covered highways and mountain passes during one of the busiest travel periods of the year.
Forecasters say initial snow levels around 4,500 to 5,000 feet on Thursday are expected to drop to 3,500 to 4,000 feet by Friday, allowing snow to impact additional routes. Periods of light to moderate snowfall are forecast in the Cascades and western Siskiyou County, with the greatest impacts expected overnight and during early morning travel hours.
Drivers should be especially cautious on Interstate 5 between Weed and Dunsmuir, as well as Sawyers Bar Road west of Etna and Highway 89, where snow accumulation and slick pavement are possible. Gusty winds at higher elevations could further reduce visibility and create blowing snow conditions.
The National Weather Service urges motorists to check the latest road conditions and forecasts before traveling and to carry winter driving supplies if heading into mountainous areas. Conditions may change rapidly as the storm system moves through.
With holiday traffic already elevated, even brief snow bursts could lead to slowdowns, chain requirements, or temporary travel disruptions across northern California, Siskiyou County, the Cascade passes, and southern Oregon mountain routes.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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