9/9/2026

10-Day General Northern California Precipitation Forecast:

The weather forecast for the next ten days

From CDEC: Precipitation to date for water year 2025-2026 - as of 9/9/2026:

Northern Sierra Precipitation: 8-Station Index: " = % of average for this date

San Joaquin Precipitation: 5-Station Index: " = % of average for this date

Tulare Basin Precipitation: 6-Station Index: " = % of average for this date

From CDEC: Average Statewide Snow Water Content Equivalents as of 9/9/2026:

North: 0" = 0% of normal for this date

Central: 0" = 0% of normal for this date

South: 0" = 0% of normal for this date

Statewide: 0" = 0% of normal for this date

River Flows (Current and estimated future flow rates from NOAA's California Nevada River Forecast Center and CDEC)

Sacramento River (I Street Bridge/ Freeport Bridge)

The 9/9/2026 daily average flow was cfs and the average flow is expected to remain relatively unchanged at cfs through 9/14/2026.

Feather River (at Boyd's Landing)

As of 9/9/2026, the Feather River flow is cfs and is expected to remain relatively unchanged at cfs by 9/14/2026.

San Joaquin River (near Vernalis)

As of 9/9/2026, the San Joaquin River flow is cfs and is expected to remain relatively unchanged at cfs by 9/14/2026.

Latest Delta Cross Channel Gate Operation (From the USBR website)

Delta Cross Channel Gates Posting 06-15-2026 Delta Cross Channel gates will be closed on Monday, June 15, 2026, at approximately 12:00 hrs.

Comment: Facility maintenance and gate testing, please use caution

Note 1: Gates may be operated/closed on short notice for fishery protection in the November to January timeframe.

Note 2: Gate operations may take approx 30 minutes to complete, so boats may not be permitted to pass through the gates until approx 30 minutes after the scheduled opening time. Boat passage may be cut off approximately 30 minutes prior to the scheduled closing time.

EC and Bromide:

Banks: EC = 231.8663 uS/cm, Br = 0.0723 mg/L. 10 days ago: EC = 214.9371 uS/cm, Br = 0.0675 mg/L.

Jones: EC = 215 uS/cm, Br = 3.7333 mg/L. 10 days ago: EC = 211 uS/cm, Br = 0.2725 mg/L.

Clifton Court Forebay: EC = 210.5 uS/cm, Br = N/A mg/L. 10 days ago: EC = 200.2 uS/cm, Br = N/A mg/L.

Vernalis: EC = 486 uS/cm, Br = 0.1905 mg/L. 10 days ago: EC = 495 uS/cm, Br = N/A mg/L.

Gianelli: EC = N/A uS/cm, Br = 0.0838 mg/L. 10 days ago: EC = N/A uS/cm, Br = 0.0898 mg/L.

Organic Carbon, TOC and DOC:

Banks: TOC = 2.35 mg/L, DOC = 2.18 mg/L. 10 days ago: TOC = 2.37 mg/L, DOC = 2.37 mg/L.

Jones: TOC = 2.3 mg/L, DOC = 2.16 mg/L. 10 days ago: TOC = 2.46 mg/L, DOC = 2.36 mg/L.

Vernalis: TOC = 2.42 mg/L, DOC = 2.37 mg/L. 10 days ago: TOC = 2.52 mg/L, DOC = 2.42 mg/L.

Gianelli: TOC = 2.48 mg/L, DOC = 2.31 mg/L. 10 days ago: TOC = 2.41 mg/L, DOC = 2.29 mg/L.

Daily Average Pumping: 8/30 through 9/8

Banks Pumping Plant ... ranged between 6,215 cfs and 7,250 cfs over the time period. The 9/8 average was 7,114 cfs.

Jones Pumping Plant ... ranged between 4,176 cfs and 4,260 cfs over the time period. The 9/8 average was 4,247 cfs.

Gianelli Pumping Plant ... discharge generation (San Luis Reservoir water moving out of the reservoir into O'Neill Forebay) ranged between zero cfs and zero cfs over the time period. The 9/8 average was zero cfs.
Discharge pumping (O'Neill Forebay water moving into San Luis Reservoir) ranged between 3,067 cfs and 6,274 cfs over the time period. The 9/8 average was 3,773 cfs.

O'Neill Pumping Plant (Federal CVP) ... discharge generation (O'Neill Forebay water moving into the DMC) varied between zero cfs and zero cfs over the time period. The 9/8 average was zero cfs.
Discharge pumping (DMC water moving into O'Neill Forebay) ranged between 1,572 cfs and 2,100 cfs over the time period. The 9/8 average was 1,664 cfs.

Dos Amigos Pumping Plant ... ranged between 3,860 cfs and 5,242 cfs over the time period. The 9/8 average was 5,017 cfs.

South Bay Pumping Plant ... ranged between 104 cfs and 187 cfs over the time period. The 9/8 average was 119 cfs.

Barker Slough Pumping Plant ... ranged between 48 cfs and 82 cfs over the time period. The 9/8 average was 58 cfs.

Status of the Temporary Barriers as of 9/9/2026

Middle River Barrier

Mobilization started on April 29 at 3:00pm. In-water work started on May 1 at 9:00am. Turbidity curtains were installed and flap gates were tied open on May 1 at 9:00am. The weir was closed on May 9 at 1:00pm and all 6 flap gates remain tied open. All in-water work was completed on May 10 at 11:30am. All 6 flap gates were released to tidal operation on June 10.

Old River near Tracy Barrier

Mobilization started on May 1. In-water work started on May 3. The weir was fully closed on May 31 at 12:00pm and all 9 flap gates remain tied open. Construction was completed by June 5. All 9 flap gates were released to tidal operation on June 10. Boat portage is available daily from 8am to 6pm Monday to Friday and from 7am to 7pm on weekends.