How much snow is expected to fall in the affected areas?

Forecasters predict that the mountain regions could see up to 2 feet of snow accumulation above 5,000 feet, with the potential for 4 to 8 inches at lower elevations.

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California Mountains Bracing for Potentially Historic Winter Storm

Q: What areas of California are expected to be affected by the upcoming winter storm?

The NWS has issued winter storm watches for the western slopes of the Northern Sierra Nevada mountains, western Plumas County, Lassen Park, the eastern Sierra slopes, and Yosemite National Park, among other mountain regions in California.

Q: What other hazardous conditions are expected during the storm?

In addition to heavy snowfall, the NWS has warned of gusty winds reaching up to 50 mph, which could further reduce visibility and increase the risks to travelers. Hazardous conditions could affect mountain highways, bridges, and overpasses, potentially making travel "very difficult to impossible."

11 Nov

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Summary

NWS issues winter storm watches for California mountain regions
Up to 2 feet of snow expected above 5,000 feet, with hazardous travel conditions
Gusty winds up to 50 mph could further reduce visibility and increase risks

California Mountains Bracing for Potentially Historic Winter Storm

On November 11, 2025, the National Weather Service (NWS) has issued a series of winter storm watches for California's mountain regions, as a potent storm system is expected to impact the state from late Wednesday, November 15, through Friday, November 17.

According to NWS meteorologist Stephen McCoy, the watches cover the western slopes of the Northern Sierra Nevada mountains, western Plumas County, Lassen Park, the eastern Sierra slopes, and Yosemite National Park, among other areas. Forecasters warn that these regions could see heavy snowfall, with accumulations of up to 2 feet above mountain passes.

The NWS has also cautioned that gusty winds, reaching up to 50 mph, could further reduce visibility and increase the risks to travelers. Hazardous conditions could affect mountain highways, bridges, and overpasses, potentially making travel "very difficult to impossible" during the storm.