A driver secures tires chains in the mountains near Wrightwood in February 2024.
Big Big, Wrightwood and other scenic Southern California mountain communities reached peak winter this week following a days-long storm that delivered a fresh blanket of snow.
The winter blast started Sunday and continued into mid-week. Dry and sunny conditions are in the forecast this weekend.
Here's what drivers should know.
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Southern California winter weather driving checklist
The California Highway Patrol offers the following advice when the weather turns wet and snowy. Whether it's rain, snow, ice or fog, there are a few things to remember on the road.
Check with Caltrans for mountain road closures as crews continue to clear snow and ice in some areas. Highway 18 reopened late Thursday from Snow Valley to Big Bear Dam.
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Rain
- The first 10 minutes after the rain begins can be the most dangerous because the rain mixes with oil from motor vehicles and oil from new asphalt resulting in a slippery roadway.
- If you start to hydroplane, ease off the accelerator and steer straight until you gain control.
- Drive with headlights on.
- Apply brakes more slowly.
- Leave extra distance between your vehicle and the one ahead of you.
Fog
- Drive with lights on low beam.
- Watch for CHP pace vehicles to guide you through fog.
- Avoid crossing traffic lanes.
- Do not stop on highways except in emergencies.
- Move away from stalled or disabled vehicle.
Snow
- Carry chains in snow conditions, even if vehicle has four-wheel drive.
- Observe speed limit in chain control areas.
- Check owner's manual for operating tips on your vehicle's braking system.
- Watch for paddle-shaped markers. They show the edge of the road.
- Studded pneumatic tires may only be used between Nov. 1 and April 31 unless studs are retracted.
- Stay with your vehicle if it breaks down.
Winter Weather Checklist
- Tires with plenty of tread
- Windshield wipers in good condition
- Washer full of fluid.
- Gas tank full
- Defroster working
- Muffler and exhaust in good condition
- Antifreeze in radiator
What to Carry
- Tire chains and tighteners
- Flashlight and batteries
- Flares
- Small shovel
- Windshield scraper
- Warm, waterproof clothing
- Blankets, snacks, and drinking water
