Video: Fog thickening to clouds, rain moves in tonight

What's happening?

The National Weather Service has issued a dense fog advisory for the San Joaquin Valley until 10 a.m. Visibility could be reduced to less than a quarter mile at times. Drivers are urged to use caution and slow down.

A storm system is expected to move into the area tonight, bringing with it rain and possible thunderstorms. The rain is expected to begin around 10 p.m. and continue through the night.

What to expect

The rain is expected to be light to moderate, with some areas seeing up to an inch of rain. The thunderstorms could produce gusty winds and hail.

The rain is expected to taper off by утром. However, the fog is expected to remain until at least 10 a.m. Drivers are urged to use caution and slow down.

How to prepare

There are a few things you can do to prepare for the rain and fog:

• Slow down and increase your following distance when driving in fog.
• Be aware of your surroundings and watch for pedestrians and other vehicles.
• Have your headlights on low beam.
• If you must drive in heavy fog, pull over to a safe location and wait for the fog to lift.

For more information on how to prepare for a storm, visit the National Weather Service website.