January 7, 2018 - A Winter Storm Warning is in effect for the higher elevation of the Sierra Nevada from Monday night through Wednesday above 7000 feet as a frontal system moves through the area.
12 to 24 inches of snow with isolated areas getting up to 3 feet of snow is expected, which will make driving conditions very difficult if not impossible.
Prepare for possible road closures.
The mountain communities over the grapevine may also get several inches of snow.
The foothills and mountains below the snow level will see 2 to 3 inches of rain.
The north San Joaquin could see up to an inch of rain, less amounts over the south valley, Kern County mountains and desert.
Also, Flash flooding is possible, especially near the burn scars of the recent fires.
Winter Storm Warning
URGENT - WINTER WEATHER MESSAGE National Weather Service Hanford CA 957 AM PST Sun Jan 7 2018 Sierra Nevada from Yosemite to Kings Canyon- Tulare County Mountains- Including the cities of Camp Nelson, Giant Forest, Lodgepole, and Johnsondale 957 AM PST Sun Jan 7 2018 ...WINTER STORM WARNING IN EFFECT FROM 10 PM MONDAY TO 10 PM PST TUESDAY... WHAT...Heavy snow and blowing and drifting snow. Plan on hazardous winter driving conditions, travel delays and possible road closures with local whiteout conditions. Total snow accumulations of up to 2 feet are likely above 7,000 feet with the potential for as much as 3 feet of new snow along the Sierra crest by Tuesday evening. * WHERE...Sierra Nevada from Yosemite National Park to the Kern County line. Snow levels starting out above 8000 feet and lowering to 4500 feet to 5500 feet Tuesday afternoon. * WHEN...From 10 pm PST Monday to 10 pm PST Tuesday. * ADDITIONAL DETAILS...Significant reductions in visibility are possible. Most roads will have chain requirements. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions are expected. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Source: NWS