(KRON) — The last of nine atmospheric rivers washed over the Bay Area Monday, potentially producing brief showers and even small hail in some places. The National Weather Service has issued a Flood Watch for the Bay Area region until Monday afternoon.

KRON4 Meteorologist John Shrable said the rain is supposed to clear up by the end of the morning Monday but heavy overnight rain still poses a flood risk until the end of the day.

With flood potential high, several road closures and travel advisories remain in effect. Stay up to date with the latest on the storm with KRON4.

Monday, January 16

2:53 a.m. — Northbound and southbound lanes of CA-82 in Palo Alto reopened

All lanes are open again on CA-82 at University Avenue in Palo Alto, according to a tweet from 511SFBay. Drivers are advised to expect residual delays.

2:50 p.m. — Scattered showers continue throughout Bay Area

Scattered showers continued Monday through the Bay Area and Central Coast, according to a tweet from the National Weather Service. Showers are expected to produce brief, heavy rain and possibly small hail.

11:15 a.m. — Park service urges caution after WWII structure slides onto beach in SF

Coastal agencies are urging visitors to coastal bluffs and hillsides to exercise caution on Monday after a WWII military structure slid into the beach at Fort Funston in San Francisco. “Visitors are encouraged to follow postal trailhead signs and be attentive to surroundings,” read a tweet from the Golden Gate National Recreational Area.

Photo: Golden Gate National Recreational Area

11 a.m. — Several streets in Stockton closed due to flooding

Police in Stockton announced Monday morning that several city streets, including Eight Mile Road, are closed due to flooding. Eight Mile Road is closed in both directions at Trinity Parkway west to Mokelumne Circle, according to a traffic alert posted by the Stockton Police Department. City officials said that 10 other streets have also been closed due to flooding and tree falls.

A list of closed streets can be found here.

7 a.m. — Wind advisory extended through 9 a.m.

A wind advisory was extended through 9 a.m. Monday morning by the National Weather Service. Winds are forecast to be between 15-25 mph, with gusts of up to 45 mph.

The advisory covers the entire Bay Area and Central Coast. The Weather Service said fallen trees could be a threat due to the saturated ground. Driving conditions will be hazardous and the wind could cause power outages, according to the advisory.

6:46 a.m. — Several road closures in effect due to flooding

All northbound and southbound lanes of CA-82 at University Avenue in Palo Alto have been closed due to flooding.

CA-13 was closed in Oakland Sunday night into Monday morning due to fallen trees and mudslides, according to BCN.

The road was closed at about 10 p.m. after a tree blocked the southbound lanes near Broadway Terrace, Adib Zeid, a public information officer with California Highway Patrol, told BCN. Additional small mudslides and trees fell onto the highway at about 4 a.m.

Traffic is being diverted onto Broadway Terrace. As of 8 a.m. there was no estimate for when the highway will reopen, according to Zeid.

Marsh Creek Road is closed between the Round Valley Regional Preserve and Clayton Road in Contra Costa County due to flooding, rock and mudslides. Only local traffic is allowed through the area at this time.

Marsh Creek road in Conta Costa County is closed due to flooding and landslides. (Contra Costa County Public Works)

Deer Valley Road is closed between Balfour Road and March Creek Road in Contra Costa County due to flooding. Only local traffic is being allowed in the area, Bay City News.

Contra Costa County Public Works asked the public to avoid the area in a Tweet at 6:06 a.m.

The area of Harbor Boulevard and Old County Road in Belmont was also closed Monday morning due to flooding, according to BCN.

Belmont Police said in a 3:12 a.m. Tweet that drivers should use alternate routes.

The closure includes the area under the Caltrain overpass on Harbor Boulevard.

Flooding caused Sycamore Road at Sycamore Creek Way in Pleasanton to close Monday morning, according to BCN.

Pleasanton Police said in an advisory at 3:55 a.m. that traffic will be delayed in the area and asked drivers to take alternate routes.

6:15 a.m. — Bay Area Rapid Transit running slow

BART is operating about 20 minutes slower than usual due to wet weather. Make sure to account for this delay during your morning commute.

5:41 a.m. — Highway 37 near Novato closed due to flood risk

Highway 37, which connects Vallejo and CA-101, remained shutdown Monday morning as flooding continues to be a problem.

Caltrans first shut it down on Saturday.

Crews are pumping water off of the freeway in both directions. In the meantime, if you’re going westbound to 101, you have to exit at Atherton. And if you’re on 101, you are not allowed to exit the ramp to eastbound 37.

This is area historically has had major flooding problems because a stretch of the freeway near CA-101 is lower than the water level so heavy rain often pools on it.

5:24 a.m. — Partial closure on Junipero Serra Boulevard in South San Francisco

The South San Francisco Colma police departments have warned of a partial closure on southbound Junipero Serra Boulevard between Serramonte Boulevard and Hickey Boulevard due to a downed tree. It is unknown when the road will be reopened.

Avoid the area if possible.

Sunday, January 15

3:00 p.m. — Caltrans provides update on flooding of State Route 37

As crews work to pump water from the roadway on SR-37, both sets of lanes are currently water free, according to Caltrans. However, with more rain on the way this evening, Novato Creek is expected to swell and overflow the roadway once again.

KRON4’s Amanda Hari was live in Novato reporting on the highway’s flooding.

2:30 p.m. — National Weather Service shares rainfall totals over past 72 hours

The NWS shared an infographic featuring rainfall totals across Northern California over the past three days. Just south of Big Sur saw the most rain at 7.8 inches, and not far behind was the Boulder Creek area, which saw 7.05 inches of rain since Thursday.

2:15 p.m. — Carmel Valley evacuation orders downgraded to warnings

All residents in low-lying areas of the Carmel Valley and Carmel-by-the-Sea are now under evacuation warnings after facing evacuation orders on Saturday, according to the Monterey County Sheriff’s Office.

11:00 a.m. — National Weather Service shares reservoir levels

The NWS shared an infographic from the Department of Water Resources that shows how full California’s reservoirs are after weeks of storms have drenched our area.

10:25 a.m. — Power outage in Half Moon Bay

Comcast reported that a downed tree had disturbed power lines in Half Moon Bay, and is now impacting power and internet services nearby. Comcast states that after power is restored, crews will work to restore services as safely as possible. According to the outage map on PG&E‘s website, there are approximately 280 customers without power.

8:17 a.m. — CA-92 closure due to emergency roadwork

Westbound CA-92 is closed between Skyline Boulevard and Pilarcitos Creek Road in San Mateo County. Eastbound is open and one-way traffic is in effect.

8:14 a.m. — Golden Gate Bridge sidewalk closed

The west sidewalk on the Golden Gate Bridge is closed due to debris blocking access. Cyclists are advised to use the east sidewalk.

7:14 a.m. — SR-37 closed in Marin County

SR-37 is closed in both directions near Atherton Avenue in Novato due to flooding and high tides, according to CHP Marin.

Saturday, January 14

4:45 p.m. — NWS extends Special Marine Warning to East Bay shores

Weather forecasted for the coastal areas is now traveling east, and the Special Marine Warning has been extended to include the San Pablo Bay, Suisun Bay, the West Delta as well as the San Francisco Bay until 6:15 p.m. Winds exceeding 35 mph and hail are possible, but no waterspouts are expected at this time, according to NWS.

(Photo courtesy of NWS)

4:27 p.m. — Mudslide closes road in Belmont

A road near 2847 San Juan Boulevard closed due to a mudslide, according to City of Belmont Public Works Department.

4:05 p.m. — NWS issues Special Marine Advisory for North Bay coastlines

A Special Marine Warning is in effect for coastal areas north of Bolinas. Winds are expected to exceed 35 mph, and “pea-sized hail” is also possible, according to NWS. At this time, no waterspouts are expected, but NWS anticipates steep waves until the early evening.

(Photo courtesy of NWS)

3:20 p.m. — Flooding causes street closures in Pittsburg

Harbor Street is closed from Yosemite Drive to Stoneman Avenue due to flooding, the Pittsburg Police Department said Saturday afternoon. Pictures posted by police (below) show flooding in front of multiple one-story homes.

Police did not provide a timetable for when the streets will reopen.

1:40 p.m. — Evacuations ordered along Carmel River

Evacuation orders have been issued for low-lying areas of the Carmel River until further notice, according to the Monterey County Sheriff’s Office.

10:50 a.m. — Palo Alto sees street closures due to flooding

Standing water and flooded drains are impacting Palo Alto roads this weekend. The City of Palo Alto has announced the following road closures:

  • West Bayshore Road between Loma Verde Avenue and Fabian Way
  • East Bayshore Road between Elwell Court and San Antonio Road

10:30 a.m. — Road closure in Pescadero due to mudslide

A mudslide closed a portion of Cloverdale Road in Pescadero. CalFire CZU says the closure is close to Butano State Park Road. Drivers are asked to avoid the area, and crews do not know when the road will be reopened.

(Photo courtesy of CalFire CZU)

10:10 a.m. — The National Weather Service issues Beach Hazards warning

The NWS is asking residents along the central California coastline to be aware of beach hazards through Monday. Dangerous swim and surf conditions are expected, along with storm debris on the beaches and in the water.

(Photo courtesy of NWS)

10:01 a.m. — Flooding in Santa Cruz County

Images provided by CHP Santa Cruz shows major flooding, downed trees and downed power lines along several roadways Saturday morning.

9:57 a.m. — Mudslide closes SR-84

SR-84 is closed in both directions on Niles Canyon Road from Old Canyon Road to Silver Springs Road, according to Caltrans. There is no estimated time of repair.

9:43 a.m. — Downed power lines forces road closure in Marin County

Highway 1 is closed in Point Reyes between Mesa and Cypress Roads due to downed power lines, according to County of Marin.

Image: County of Marin

9:23 a.m. — Flood Warning issued for Sonoma County

The National Weather Service has upgraded Sonoma County’s Flood Watch to a Flood Warning until 2:30 p.m. on Saturday. Once the warning expires, the previous Flood Watch goes back into effect.

8:55 a.m. — Tree crashes down onto car in SF’s Bernal Heights

Harrison Street and Precita Avenue in Bernal Heights is closed after a tree fell down onto a parked vehicle and blocked the roadway, according to San Francisco Fire Department.

Video: Citizen app

8:52 a.m. — Downed tree blocks roadway in SF’s Mission District

708 Guerrero Street between 19th and Cumberland Streets is closed due to a downed tree. Crews are on scene, according to San Francisco Fire Department.

8:25 a.m. — Flooding prompts road closure in Pacifica

Beach Boulevard was closed due to hazardous surf conditions and flooding in the area, according to Pacifica police.

8:20 a.m. — Highway 29 closure in Napa County

The northbound side of Hwy-29 is closed at Napa Junction due to flooding in the area. Drivers are asked to use alternate routes.

8:02 a.m. — Road closed in Mill Valley due to downed tree

Marion Avenue is closed at Monte Vista due to a downed tree. PG&E is on the scene and drivers are asked to use alternate routes.

8:00 a.m. — Emergency evacuations in Santa Cruz County

An emergency evacuation has been issued for residents of Felton Grove. Those who live in the neighborhood are urged to leave as soon as possible.

7:40 a.m. — Downed tree prompts road closure in San Bruno

San Bruno Avenue is closed at Treager due to a downed tree. All four lanes are blocked and there is no estimated time of repair, according to the City of San Bruno.

Photo provided by City of San Bruno

Friday, January 13

6:12 p.m. — Santa Clara County issues evacuation warning

The warning applies to residents in the watershed areas of the Uvas Reservoir, Pacheco Pass River Basin and Highway 101, and Bolsa Road. Santa Clara County listed the areas where the evacuation warnings are issued.

Pacheco Pass River Basin for those living in the areas of:

  • El Toro Rd South of HWY 152 to Bloomfield Ave
  • Lovers Lane between Shore Rd and HWY 152

Watershed Areas of the Uvas Reservoir include those living:

  • South of Uvas Reservoir including Thousand Trails RV Park and Uvas Pines RV Park
  • South of Sycamore Drive and Watsonville Rd
  • Homes south of Lions Peak
  • South of Day Road and Geri Lane
  • Watsonville and HWY 152

HWY 101 and Bolsa Rd.:

  • South of Hwy 152, East of Hwy 101.
  • South of Pacheco Pass (Hwy 152) and East of Hwy 101.
  • South of Luchessa Ave. and East of Thomas Rd.
  • East of Santa Teresa Blvd. to Castro Valley Rd.
  • North of Castro Valley Rd. to Luchessa Ave.
  • North of Hwy 25 between Hwy 101 & Bloomfield Rd.  
  • West of Bloomfield Ave. between Hwy 25 & Pacheco Pass (Hwy 152)
  • East of Hwy 101 to Pacheco Pass (Hwy 152)

5:03 p.m. — Bay Area travelers head to Lake Tahoe for three-day weekend

The weather affected travel as many Bay Area residents made their way to Lake Tahoe for this holiday weekend. KRON4’s Dan Kerman was live in San Francisco.

3:00 p.m. — Mudslide displaces 19 in Marin County

A mudslide into the back of three duplexes on Olema Road in Fairfax has displaced 19 residents, according to a tweet from Marin County. In addition to the 19 people, seven dogs, four cats and a guinea pig were also displaced. Photos from the scene show thick mud on stairs leading up to one of the units and flowing down the drive.

2:22 p.m. — Coastal flood advisory issued for SF Bay Area/Monterey

A coastal flood advisory has been issued for the SF Bay Area down to Big Sur due to a combination of high tides, onshore winds, heavy runoff and continued rainfall, according to a tweet from the NWS. Coastal flooding is likely in locations prone to tidal flooding, the tweet states. Impacts could include:

  • Flooding of lots, parks and roads
  • Breaking waves that can sweep people off jetties and docks
  • Life-threatening swimming conditions
  • Significant beach erosion

1:22 p.m. — Sandbags available at the following East Bay Locations

Castro Valley Fire Stations:

  • 20336 San Miguel Avenue, Castro Valley
  • 19780 Cull Canyon Road, Castro Valley

Alameda County Public Works Agency Maintenance and Operations Corporation Yard:

  • 4825 Gleason Drive, Dublin
  • 951 Turner Court, Hayward

Dublin Corporation Yard

  • 5709 Scarlett Court, Dublin

A Flood Watch for the entire Bay Area goes into effect on Saturday.

12:25 p.m. — Flood Watch issued for entire Bay Area

The National Weather Service has issued a Flood Watch for the entire Bay Area, the weather service announced in a news release Friday. The Flood Watch goes into effect Saturday Jan. 14 at 4 a.m. and remains in effect until Monday Jan. 16 at 4 p.m. Additional flooding is possible this weekend as a series of storm systems move through the region. Soils remain saturated with urban and small stream flooding impacts expected, the NWS said.

9:30 a.m. — NWS warns of flooding, possible thunderstorms

The National Weather Service is warning of flooding, possible thunderstorms, and hazardous beach and marine conditions as rain returns to the Bay Area Friday and into the weekend. “We may even see a thunderstorm or two,” said the NWS in a tweet. “Watch out for flooding and possibly falling trees given the wet soil and wind.”

7:45 a.m. — BART running late due to weather

The Bay Area Rapid Transit system is running 20 minutes behind Friday morning due to weather.

5:40 a.m. — California Highway Patrol’s full list of road closures

As of Thursday night, below is a full list of road closures due to the winter storm, according to CHP:


Alameda County– Lane reduction is in place on Northbound I-880 near Broadway and Jackson Street. Right shoulder lane #4.


Napa County- Westbound State Route 128 near Lower Chiles Valley Road., one-way traffic control in place.

Sonoma County- State Route 1 near Coleman Gulch Road., one-way traffic control in place.

Sonoma County- State Route 1 near Bodega Bay and East Shore Road, one-way traffic control in place, due to lane closure until 6:00 p.m., Emergency Work.

Sonoma County: Northbound lane reduction State Route 1 near Russian Gulch, one-way traffic control in place.


San Mateo County: State Route 92 from Upper State Route 35 to Pilarcitos Creek Road., full highway closure.

San Mateo County: Lane reduction in place on southbound U.S. 101 near Broadway Street.

San Mateo County: Northbound State Route 1 near Pescadero Rd., one-way traffic control in place.

Santa Clara County: Lane reduction in place on northbound State Route 17 near Hamilton Avenue Overcrossing.

Santa Clara County: Eastbound State Route 130 near Quimby Road., all eastbound lanes closed.

Santa Clara County: Lane reduction is in place on northbound Interstate 280 near Magdalena Avenue.

Santa Clara County: SB I-680 on-ramp closure near State Route 130 and I-680 Interchange.

5:30 a.m. — Wind advisory in effect


The National Weather Service has issued a wind advisory for the Bay Area that will last through 10 a.m. Friday.

Expect gusty winds with the potential to exceed 45 miles per hour, especially around coastal areas and at higher elevations. Falling trees are also a concern.

Bay City News contributed to this report.