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NOAA / NWS News and Local CNRFC Information

Flood Inundation Mapping - The National Weather Service Flood Inundation Mapping (FIM) services are now available for much of CA as well as portions of western NV and southern OR.  See the FIM Fact Sheet for more information.

Flood Threshold Changes for Mokelumne River at Benson's Ferry - On August 14, the moderate and major flood stages for the Mokelumne River at Benson's Ferry changeed to 19.0 ft and 20.0 ft respectively.  More information can be found here.

CNRFC Daily Briefing - View a graphical summary of current & forecast weather & hydrologic conditions. Updated by 10 AM PT.

At Least One River Flood Forecast Point Is Currently Forecast to Exceed Minor Flood Stage

 
Recently-Issued CNRFC Text Products:  
 

 Home Page Version:   Interactive Map  |  Legacy

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Official River Guidance Point Locations Unofficial River Guidance Point LocationsObserved River Conditions Point LocationsEnsemble Forecast Point Locations
                                                                                                      River Guidance Forecast Status
(Approximately 5 Days)


  No Forecast or Other Point 
  Normal Conditions 
  Action/Monitor Stage 
  Minor Flood Stage 
  Moderate Flood Stage 
  Major Flood Stage 



Gage Information

Place cursor over gage
on map for readout.


        River / Creek

        Gage / Station

        Latest Stage (Raw Data)

        Latest Flow (Raw Data)

        Max Forecast Stage

        Max Forecast Flow

        Forecast Issue Time

81
Gauges Forecast
Normal Conditions
(79.41% of Gages)
20
Gauges Forecast
Action/Monitor
(19.61% of Gages)
1
Gauge Forecast
Minor Flood
(0.98% of Gages)
0
Gauges Forecast
Moderate Flood
(0.00% of Gages)
0
Gauges Forecast
Major Flood
(0.00% of Gages)
Last Map Update:   Thursday January 1st 2026 at 12:28 PM PST  (1 Minute Old)
(Data is updated every 5 minutes)
 

River Guidance Points Forecast Above Specified Stage Definitions  (Select NWS ID for Specified Graphical RVF)
NWS ID River / CreekGage / StationAction/
Monitor
Minor
Flood
Moderate
Flood
Major
Flood
Latest Observed
Stage / Flow
Latest Observed
Date / Time
Max Forecast
Stage / Flow
ARCC1 MAD ARCATA 15.022.024.028.010.82 / 4,04201/01 11:45 AM PST15.46 / 13,291
FRNC1 EEL FERNBRIDGE 14.020.022.025.04.03 / NA01/01 11:15 AM PST17.34 / NA
YDRC1 SANTA MARGARITA YSIDORA 10.8512.513.7816.297.28 / 4201/01 12:15 PM PST10.89 / 3,534
FSNC1 SAN DIEGO FASHION VALLEY 7.510.013.516.512.08 / 3,64701/01 12:15 PM PST13.35 / 6,612
TEHC1 SACRAMENTO TEHAMA BRIDGE 206.5209.5216.7217.7199.97 / 14,59201/01 12:00 PM PST209.15 / 66,798
VWBC1 SACRAMENTO VINA WOODSON BRIDGE 180.0183.0189.4189.9169.41 / 15,81501/01 11:45 AM PST180.31 / 76,326
HAMC1 SACRAMENTO HAMILTON CITY 142.0147.0149.2150.2131.37 / 15,54401/01 11:45 AM PST142.53 / 71,725
ORFC1 SACRAMENTO ORD FERRY 110.0114.0121.7124.8100.71 / 18,92301/01 11:45 AM PST112.94 / 80,451
CLSC1 SACRAMENTO MOULTON WEIR 76.283.887.688.674.42 / 001/01 11:45 AM PST77.07 / 1,169
CLAC1 SACRAMENTO COLUSA WEIR 60.970.172.973.959.88 / 001/01 11:00 AM PST66.67 / 27,331
CLUC1 SACRAMENTO COLUSA BRIDGE 63.070.072.073.054.73 / 21,98201/01 11:45 AM PST66.61 / 45,980
TISC1 SACRAMENTO TISDALE WEIR 44.151.654.655.644.53 / 23401/01 12:15 PM PST47.53 / 17,012
FMWC1 SACRAMENTO FREMONT WEIR 32.039.543.044.029.96 / 47,55701/01 12:15 PM PST34.40 / 111,516
RVBC1 SACRAMENTO RIO VISTA 7.411.920.421.47.75 / NA01/01 11:45 AM PST8.30 / NA
MRYC1 YUBA MARYSVILLE 74.087.090.091.062.80 / 2,14601/01 11:30 AM PST75.34 / 32,127
MFTC1 MIDDLE FORK FEATHER PORTOLA 4851.04852.54853.54855.54,847.91 / 51301/01 11:30 AM PST4,852.25 / 4,371
NCOC1 FEATHER NICOLAUS 39.047.048.053.428.55 / NA01/01 12:15 PM PST39.63 / NA
LSBC1 YOLO BYPASS LISBON 13.019.026.031.113.74 / NA01/01 12:15 PM PST15.67 / NA
MHBC1 COSUMNES MICHIGAN BAR 7.012.016.018.05.05 / 97701/01 11:30 AM PST7.60 / 4,901
MCNC1 COSUMNES MCCONNELL 38.544.553.453.528.86 / NA01/01 12:15 PM PST39.28 / NA
SUSC1 SUSAN SUSANVILLE 10.512.013.014.05.27 / 20101/01 12:00 PM PST11.13 / 1,841

** NOTE **  Stage is presented in "Feet" while Flow (Storage at CLKC1) is presented in "cfs" ("Acre-Feet").

River Guidance Forecast Group Issuance and Next Update Times  (Select Forecast Group for Specified Text RVF)
FG IDForecast Bulletin GroupIssuance TimeNext Update Time
SENorth Coast[ Alternate Link ]CSVJan 01 2026 at 8:57 AM PSTJan 02 2026 at 9:00 AM PST
RNRussian Napa[ Alternate Link ]CSVJan 01 2026 at 9:03 AM PSTJan 02 2026 at 9:00 AM PST
USAUpper Sacramento[ Alternate Link ]CSVJan 01 2026 at 8:22 AM PSTJan 01 2026 at 3:00 PM PST
LSCLower Sacramento[ Alternate Link ]CSVJan 01 2026 at 8:29 AM PSTJan 01 2026 at 3:00 PM PST
SJSan Joaquin[ Alternate Link ]CSVJan 01 2026 at 8:47 AM PSTJan 01 2026 at 3:00 PM PST
CCCentral Coast[ Alternate Link ]CSVJan 01 2026 at 9:10 AM PSTJan 02 2026 at 9:00 AM PST
SCASouthern California[ Alternate Link ]CSVJan 01 2026 at 11:08 AM PSTJan 01 2026 at 3:00 PM PST
ESEastern Sierra[ Alternate Link ]CSVJan 01 2026 at 9:32 AM PSTJan 02 2026 at 9:00 AM PST
HBTHumboldt[ Alternate Link ]CSVJan 01 2026 at 9:17 AM PSTJan 02 2026 at 9:00 AM PST
SAC Sacramento Delta (Tides) [ Alternate Link ] Jan 01 2026 at 5:58 AM PSTJan 02 2026 at 9:00 AM PST
 
** NOTE 1 **  The Klamath and North Coast Forecast Group river guidance points are included in the North Coast Bulletin Group.
** NOTE 2 **  The Feather Yuba, American, and Cache Putah Forecast Group river guidance points are included in the Lower Sacramento River Bulletin Group.
** NOTE 3 **  The Delta Region, Upper and Lower San Joaquin, and Tulare Forecast Group river guidance points are combined in the San Joaquin River Bulletin Group.
** NOTE 4 **  The Salinas Pajaro and South Bay Forecast Group river guidance points are included in the Central Coast Bulletin Group.
** NOTE 5 **  The Southern California and San Diego/Inland Forecast Group river guidance points are included in the Southern California Bulletin Group.

CNRFC Daily Briefing
Observed Precipitation Graphical Discussion Forecast Precipitation
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