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Drivers brace for possible dicey Sierra travel as storm nears

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  Published in Travel and Leisure on Tuesday, October 14th 2025 at 2:28 GMT by kcra.com
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A sudden, intense winter storm has rattled the Sierra Nevada region, prompting the California Department of Transportation (Caltrans), emergency services, and local residents to brace for potentially hazardous driving conditions. Over the past 48 hours, temperatures have plunged below freezing, wind gusts have exceeded 50 miles per hour, and accumulating snowfall has reached 15–20 inches in some mountain communities. The latest bulletin from the National Weather Service indicates that the storm front will linger until the weekend, with secondary squalls expected in the early morning hours.

Road Closures and Traffic Restrictions

Caltrans has already closed several key mountain passes to non-essential traffic. The most affected routes include:

• CA-4 (Sierra Nevada Highway) between Mount Shasta and the Owyhee River Crossing.
• US-395 from the Lake Tahoe area up to the Truckee pass.
• SR-41 over the Tahoe Basin and the Donner Pass segment.

These closures were announced on a press release dated Thursday evening, and the department has urged drivers to stay off these roads until the storm subsides. An advisory issued by the California Highway Patrol (CHP) advises that all traffic be diverted to alternate routes, and that vehicles equipped with snow tires or chains should still seek safer options if possible. Caltrans has also posted a map on its website detailing detours and current traffic conditions, which can be accessed at https://www.dot.ca.gov/travel.

Safety Measures and Preparation Tips

The article highlighted several safety recommendations for those who must travel:

1. Check Vehicle Readiness: Ensure that tires are rated for winter conditions, that brakes and lights function properly, and that the vehicle’s battery is fully charged. Carry a spare tire, a first-aid kit, and an emergency shovel.
2. Load Up on Essentials: Stock up on food, water, blankets, and a battery-powered radio in case of power outages. The California Governor’s Office of Emergency Services recommends bringing at least a 72‑hour supply of non-perishable items.
3. Use Snow Chains: If the vehicle is not equipped with all‑season tires, attach snow chains to all four wheels as per Caltrans instructions. A video tutorial is available on the Caltrans YouTube channel explaining how to properly install chains.
4. Plan for Delays: The CHP warns that travel time could double due to the reduced speed limit of 25 miles per hour in many mountain zones. Drivers should plan accordingly and allow for extra time.
5. Stay Informed: Monitor local radio stations and the Weather Channel’s local weather updates. The Sierra Nevada Avalanche Center, found at https://www.snvac.com/, issues avalanche forecasts and safe travel guidelines.

Impact on Local Communities

The storm’s effects are being felt not only on the roads but also across local communities. Several ski resorts in the Sierra have temporarily closed their slopes to protect patrons and staff. The Lake Tahoe Visitor Center has issued a statement urging tourists to avoid off‑highway travel until the storm passes, citing the risk of avalanches on remote trails. The Sacramento area, located just a few hours south, has experienced increased traffic on interstate routes as commuters attempt to reach work early.

Emergency Response and Coordination

In addition to Caltrans, the California Emergency Management Agency (CalEMA) has activated a regional emergency operations center. CalEMA’s spokesperson, Maria Gonzales, emphasized that all emergency services are operating at full capacity. “We are coordinating with local fire departments, law enforcement, and the National Guard to respond to any incidents, including stranded motorists or accidents caused by ice,” Gonzales told reporters. She also announced that the California National Guard has dispatched additional units to the Tahoe region to assist with search and rescue operations, should the need arise.

What Residents Are Doing

Residents in the Sierra region have taken to social media to share their experiences. A Facebook post from a local farmer in the Owens Valley, who posted a photo of a 30‑inch snowfall, highlighted how the storm has already stalled his cattle operations. In the nearby town of Mammoth Lakes, a group of volunteers organized a “Snow Safety” workshop, providing information on vehicle safety and personal preparedness. The workshop’s agenda, posted by the Mammoth Lakes Chamber of Commerce, included a guest speaker from the Sierra Nevada Avalanche Center who demonstrated proper snow tire installation.

Looking Ahead

Meteorologists project that the storm will ease by Monday afternoon, but they caution that secondary weather systems could bring additional precipitation. A forecast from the National Weather Service indicates that temperatures will remain below freezing, and snowfall may continue to accumulate in the high Sierra until Friday. The article concludes by urging residents to remain vigilant, keep their vehicles in good condition, and heed all official advisories.

As the storm settles, authorities will continue to monitor road conditions and update closures in real time. Travelers are advised to check the Caltrans website, listen to local radio broadcasts, and consult the California Department of Transportation’s mobile app for the latest updates. The combined efforts of state agencies, local officials, and community volunteers are expected to mitigate the storm’s impact and ensure that residents can safely navigate the treacherous Sierra Nevada roads.