When Will It Rain in the Bay Area?

There is more cold, wet and windy weather in store for much of the Bay Area this weekend, according to the National Weather Service.

Conditions were dangerous on Bay Area roads Saturday with wind, rain, and some flooding. Officials are still urging continued caution for drivers throughout the weekend. While heavy snow caused dangerous conditions in the Sierra. Rob Mayeda, Marianne Favro and Alyssa Goard report.

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When will it rain in the Bay Area?

Saturday night will see showers with lows in the upper 40s. Southwest winds will be 20 to 30 mph before switching to west winds of 15 to 20 mph after midnight.

Now and Next: Some rain coming in with breezy conditions, but things ramp up considerably late Friday night into Saturday with a regionwide wind advisory and heavy rain at times w/ ⛈️chances and lowering snow levels as well. Details ahead on @nbcbayarea tonight #CAwx 12/8/2022 pic.twitter.com/sIiDixZDSc
— Rob Mayeda (@RobMayeda) December 8, 2022

What are the expected rainfall totals?

Through Friday, rainfall is expected between 0.5 and 0.75 inches in the North Bay, 0.2 to 0.5 inches in San Francisco and the rest of the Bay Area, and 0.1 to 0.25 in the Monterey Bay region. Totals could reach 1 to 1.25 inches in the coastal mountains and 0.5 to 0.75 inches in the Santa Cruz Mountains.

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Rain will be heavy on Saturday. The North Bay should see an additional 2-2.5 inches of rain, San Francisco and the rest of the Bay Area 1-2 inches, and 1-1.5 inches in the Monterey Bay area. The coastal mountains could see up to 4 inches of rain Saturday and the Santa Cruz Mountains might see 2-5 inches.

Rain totals approaching 10pm. #CAwx 12/10/2022 pic.twitter.com/wimdVxjPI2
— Rob Mayeda (@RobMayeda) December 11, 2022

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While Sunday is not expected to be as windy or rainy, we’ll see a mix of sun breaks at times along with roaming downpours and those thunder chances until late afternoon and early evening. Rob Mayeda has more.

Power Outages

PG&E is reporting that about 1,121 customers were without power Saturday. According to PG&E's website, the outages may have been caused by the weather in the area.

Here's the following numbers:

North Bay- 310
East Bay- 47
South Bay- 458
San Francisco- 88
Peninsula-218

PG&E officials said that they are hoping to restore power to customers by Sunday.

Possible Thunderstorms and Hail

Sunday will see showers and a slight chance of thunderstorms. There will be a slight chance of hail. Highs will be in the lower to mid 50s. Southwest winds will be 10 to 20 mph.

More downpours moving onshore nearing 11pm. While we don't have wind advisories up tonight into tomorrow morning, it might be the sound of thunder you hear overnight. Thunder chances will continue into Sunday afternoon. #CAwx pic.twitter.com/kt0SPDIFXq
— Rob Mayeda (@RobMayeda) December 11, 2022

11pm radar update: downpours on the move with briefly gusty wind. Thunder chances will continue overnight through the day on Sunday #CAwx 12/10/2022 pic.twitter.com/VmDai6KZh6
— Rob Mayeda (@RobMayeda) December 11, 2022

Interior valleys in this area will hit dangerously cold overnight temperatures in the low 30s, with low 30s to 40s near the coast, culminating in the coldest temps expected on Tuesday and Wednesday morning.

San Francisco and other parts of the Bay Area are in for much the same, with temperatures dipping down into the low 40s. Wind gusts could reach 60 mph in higher elevations, according to the weather service.

There’s an intense round of rain, snow and wind moving in to the Sierra for this weekend. Raj Mathai speaks with ski resorts consultant Kevin Cooper on the incoming storm.