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Northern California forecast: Isolated severe storms possible Saturday, heavy Sierra snow

Much of Friday will offer Northern California a break from wet weather, but more rain and snow are expected through the weekend.The KCRA 3 weather team issued an Alert Day for Saturday because conditions could risk public safety. Sunday is an Impact Day as the weather could affect travel and outdoor activities. Meteorologist Tamara Berg said rain is likely to return after sunset hours Friday. South winds could also bring gusts to the region.Alert Day Saturday Showers will be around on the hit-and-miss variety during the day. Some of these showers may be intense. Isolated severe storms are possible as the atmospheric ingredients are there. Some storms will be capable of producing heavy downpours, lightning and small hail. Parts of the Central Valley and lower Foothills are under a marginal storm risk via the Storm Prediction Center outlook for Saturday. It’s likely any storms that pop up may turn severe. Isolated areas with a funnel cloud or brief tornado can’t be ruled out. Canceled EventsThe Midtown Farmers Market, a Saturday mainstay in Sacramento, announced it would cancel the market this Saturday due to the anticipated weather forecast. Organizers said the anticipated wind conditions “meet and exceed our established safety threshold.” The market noted that the decision was made in the interest of the vendor, staff and public’s safety.The Jan. 3 event was set to launch a new “circular retail” expansion, aiming to uplift sustainability efforts and upcycling practices. RainBerg said rain is expected to be on and off for both Saturday and Sunday. Below are the estimated rainfall totals from Friday evening through Monday.Valley: 1-3 inchesFoothills: 3-5 inchesSierra: 4-6 inchesIsolated thunderstorms are possible throughout this period, and Saturday is likely to see stronger storms.SnowBerg said snow is expected at the Sierra passes level of 7,000 feet by early Saturday. When enough snow falls, road officials are likely to issue chain controls, which means cars without four-wheel drive and snow tires equipped will need chains installed on their tires.The speed limit on Sierra highways is also reduced during chain controls, with Interstate 80 set at 30 mph and Highway 50 at 25 mph.Elevations above 6,000 feet could see two to four feet of snow from Friday evening through Monday. The Carson and Sonora passes may see up to five feet of snow.The National Weather Service issued a Winter Storm Warning from 10 p.m. Friday through 4 p.m. Monday ahead of anticipated near-whiteout conditions and major travel delays. NWS is also discouraging mountain travel during that time.Wind Berg said wind gusts across the Sacramento Valley could range on Saturday from 30-40 mph.See rain totals from previous days in the graphic below.REAL-TIME TRAFFIC MAPClick here to see our interactive traffic map.TRACK INTERACTIVE, DOPPLER RADARClick here to see our interactive radar.DOWNLOAD OUR APP FOR THE LATESTHere is where you can download our app.Follow our KCRA weather team on social mediaMeteorologist Tamara Berg on Facebook and X.Meteorologist Dirk Verdoorn on FacebookMeteorologist/Climate Reporter Heather Waldman on Facebook and X.Meteorologist Kelly Curran on X.Meteorologist Ophelia Young on Facebook and X.Watch our forecasts on TV or onlineHere’s where to find our latest video forecast. You can also watch a livestream of our latest newscast here. The banner on our website turns red when we’re live.We’re also streaming on the Very Local app for Roku, Apple TV or Amazon Fire TV.See more coverage of top California stories here | Download our app | Subscribe to our morning newsletter | Find us on YouTube here and subscribe to our channel

Much of Friday will offer Northern California a break from wet weather, but more rain and snow are expected through the weekend.

The KCRA 3 weather team issued an Alert Day for Saturday because conditions could risk public safety. Sunday is an Impact Day as the weather could affect travel and outdoor activities.

Meteorologist Tamara Berg said rain is likely to return after sunset hours Friday. South winds could also bring gusts to the region.

Alert Day Saturday

Showers will be around on the hit-and-miss variety during the day. Some of these showers may be intense. Isolated severe storms are possible as the atmospheric ingredients are there.

Some storms will be capable of producing heavy downpours, lightning and small hail. Parts of the Central Valley and lower Foothills are under a marginal storm risk via the Storm Prediction Center outlook for Saturday.

It’s likely any storms that pop up may turn severe. Isolated areas with a funnel cloud or brief tornado can’t be ruled out.

Canceled Events

The Midtown Farmers Market, a Saturday mainstay in Sacramento, announced it would cancel the market this Saturday due to the anticipated weather forecast.

Organizers said the anticipated wind conditions “meet and exceed our established safety threshold.” The market noted that the decision was made in the interest of the vendor, staff and public’s safety.

The Jan. 3 event was set to launch a new “circular retail” expansion, aiming to uplift sustainability efforts and upcycling practices.

Rain

Berg said rain is expected to be on and off for both Saturday and Sunday. Below are the estimated rainfall totals from Friday evening through Monday.

  • Valley: 1-3 inches
  • Foothills: 3-5 inches
  • Sierra: 4-6 inches

Northern California forecast rain totals as of Jan. 2, 2026

Isolated thunderstorms are possible throughout this period, and Saturday is likely to see stronger storms.

Snow

details for northern california storm impacts on january 4th

Berg said snow is expected at the Sierra passes level of 7,000 feet by early Saturday.

When enough snow falls, road officials are likely to issue chain controls, which means cars without four-wheel drive and snow tires equipped will need chains installed on their tires.

The speed limit on Sierra highways is also reduced during chain controls, with Interstate 80 set at 30 mph and Highway 50 at 25 mph.

Elevations above 6,000 feet could see two to four feet of snow from Friday evening through Monday. The Carson and Sonora passes may see up to five feet of snow.

Northern California forecast snow totals as of Jan. 2, 2026

The National Weather Service issued a Winter Storm Warning from 10 p.m. Friday through 4 p.m. Monday ahead of anticipated near-whiteout conditions and major travel delays. NWS is also discouraging mountain travel during that time.

Wind

Berg said wind gusts across the Sacramento Valley could range on Saturday from 30-40 mph.

See rain totals from previous days in the graphic below.


REAL-TIME TRAFFIC MAP
Click here to see our interactive traffic map.
TRACK INTERACTIVE, DOPPLER RADAR
Click here to see our interactive radar.
DOWNLOAD OUR APP FOR THE LATEST
Here is where you can download our app.
Follow our KCRA weather team on social media

  • Meteorologist Tamara Berg on Facebook and X.
  • Meteorologist Dirk Verdoorn on Facebook
  • Meteorologist/Climate Reporter Heather Waldman on Facebook and X.
  • Meteorologist Kelly Curran on X.
  • Meteorologist Ophelia Young on Facebook and X.

Watch our forecasts on TV or online
Here’s where to find our latest video forecast. You can also watch a livestream of our latest newscast here. The banner on our website turns red when we’re live.

We’re also streaming on the Very Local app for Roku, Apple TV or Amazon Fire TV.

See more coverage of top California stories here | Download our app | Subscribe to our morning newsletter | Find us on YouTube here and subscribe to our channel

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