Light rain was falling across large parts of Southern California Sunday afternoon, including in Hollywood, where the Academy Awards are about to get underway.
The National Weather Service said the rains are expected to continue in Hollywood through the evening.
"The Oscars are going to get rain on them," said weather specialist Stuart Seto. "I don't know if those outfits come with matching umbrellas or not."
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In the San Gabriel Mountains, Seto said the low-pressure storm from the north is expected to blanket the peaks in 4 to 7 seven inches of snow and bring 40-mph gusts of wind.
"If anyone's going up to see the snow, have your tire chains, water and extra food," Seto said. "It's going to be icy."
By 3 p.m. Sunday, Seto said, there's a 73% chance of rain near the Oscars ceremony at the Dolby Theatre in Hollywood. Temperatures will hover in the low 60s and wind will gust in from the southeast.
The 87th Academy Awards, which will be broadcast live at 5:30 p.m. PST from the theater, will snare transit in much of Hollywood Sunday.
All the streets around the theater, including a stretch of Hollywood Boulevard between Cahuenga Boulevard and La Brea Avenue, will be closed Sunday. Several bus routes in the area also had to adjust for the ceremony, with Sunset Boulevard serving as an alternative for closed-off sections of Hollywood.
The MTA's Red Line subway will skip its Hollywood and Highland stop until Monday morning. MTA officials urged celebrity-spotters to use the Hollywood and Vine stop as an alternative and then walk west down Hollywood Boulevard.