Los Angeles County Mountains excluding the Santa Monica Range Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Winter Weather Advisory
Issued: 5:41 AM PST Feb. 18, 2018 – National Weather Service

... Winter Weather Advisory remains in effect from 6 PM this
evening to 3 am PST Tuesday...

* what... snow... 2 to 4 inches expected. Snow levels will be
between 5000 and 5500 feet this evening, then lower rapidly to
between 1500 and 2500 feet by early Monday morning and continue
at those levels into Monday night. Areas of northwest to north
winds 25 to 35 mph with gusts to 50 mph are expected, with
isolated higher gusts. Wind chill readings will be between 10
degrees and -10 degrees in higher elevations late tonight and

* Where... Ventura County mountains and Los Angeles County
mountains excluding the Santa Monica range counties.

* When... from 6 PM this evening to 3 am PST Tuesday.

* Additional details... be prepared for reduced visibilities at
times. The strongest winds will be through the I-5 corridor. The
highest snowfall amounts will occur on the north facing slopes.
There is the potential for 1 to 2 inches of snow on Interstate 5
near the Grapevine. Delays or closures on Interstate 5 are
possible Monday into Monday night due to accumulating snow, icy
Road conditions, and strong winds. Other low elevation roadways
will be at risk for snow showers and icy Road conditions as
well. These include highways 2, 14, 33, and 39.

Precautionary/preparedness actions...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.
The latest Road conditions from caltrans is available by calling
1 800 4 2 7 7 6 2 3.