A winter storm warning will go into effect in the Los Angeles and Ventura
county portions of the San Gabriel Mountains at midnight and remain
in effect until 3 a.m. Saturday.
The cold Pacific storm should start dousing the Southland Friday in time for the morning commute.
Because of the forecast, the Los Angeles County Department of to Angeles Forest Highway from Aliso Canyon Road to Upper Big Tujunga Canyon Road; and Upper Big Tujunga Canyon Road from Angeles Forest Highway to Angeles Crest Highway, also known as SR-2. Access will be maintained for emergency vehicles only, officials said.
"The early-morning commute on Friday will likely be wet across the entire region,'' the NWS warned in an advisory. "Commuters should plan extra time to reach their destinations.''
San Marino Forecast
Thursday Night: Rain, mainly after 11 p.m. Low around 48. South southwest wind between 5 and 10 mph. Chance of precipitation is 90%.
Friday: Showers, with thunderstorms also possible after 11 a.m. High near 55. Breezy, with a south southeast wind 5 to 10 mph becoming south between 15 and 20 mph. Winds could gust as high as 25 mph. Chance of precipitation is 100%.
Friday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 44. West wind between 5 and 10 mph. Chance of precipitation is 30%.
Saturday: Sunny, with a high near 61. West wind between 5 and 10 mph.
Saturday Night: Mostly clear, with a low around 47.
Sunday: Sunny, with a high near 68.
Sunday Night: Mostly clear, with a low around 50.
There is a slight chance of thunderstorms Friday. Any that develop could unleash downpours packing small hail, NWS forecasters said.
The storm is expected to generate between a half-inch and an inch of rain in coastal and valley areas, and between one and two inches in the foothills and mountains, the NWS reported.
The snow level will be between 4,500 and 5,000 feet Thursday night, dropping to between 3,500 and 4,500 feet by late Friday, according to an NWS advisory. Between eight and 14 inches of snow is expected, especially above 5,500 feet, it said.
How will the weather affect your plans?