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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.

All River Flood Forecast Points Are Currently Forecast to Remain Below Critical Stages

 
Recently-Issued CNRFC Text Products:  
 

 Home Page Version:   Interactive Map  |  Legacy

Map Type: Select Button Zoom ButtonCurrent Zoom Factor:Zoom FactorHelp:Learn More 
Unofficial River Guidance Point Locations Official 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

Last Map Update:   Wednesday September 17th 2025 at 6:40 AM PDT  (2 Minutes 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

*** NO River Guidance (Flood Forecast) Points Currently Forecast At Or Above Critical Stage Definitions ***

** 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 ]CSVSep 16 2025 at 6:56 AM PDTSep 17 2025 at 9:00 AM PDT
RNRussian Napa[ Alternate Link ]CSVSep 16 2025 at 7:02 AM PDTSep 17 2025 at 9:00 AM PDT
USAUpper Sacramento[ Alternate Link ]CSVSep 16 2025 at 6:54 AM PDTSep 17 2025 at 9:00 AM PDT
LSCLower Sacramento[ Alternate Link ]CSVSep 16 2025 at 7:02 AM PDTSep 17 2025 at 9:00 AM PDT
SJSan Joaquin[ Alternate Link ]CSVSep 16 2025 at 7:06 AM PDTSep 17 2025 at 9:00 AM PDT
CCCentral Coast[ Alternate Link ]CSVSep 16 2025 at 7:02 AM PDTSep 17 2025 at 9:00 AM PDT
SCASouthern California[ Alternate Link ]CSVSep 16 2025 at 7:38 AM PDTSep 17 2025 at 9:00 AM PDT
ESEastern Sierra[ Alternate Link ]CSVSep 16 2025 at 7:16 AM PDTSep 17 2025 at 9:00 AM PDT
HBTHumboldt[ Alternate Link ]CSVSep 16 2025 at 7:15 AM PDTSep 17 2025 at 9:00 AM PDT
SAC Sacramento Delta (Tides) [ Alternate Link ] Sep 17 2025 at 6:09 AM PDTSep 18 2025 at 9:00 AM PDT
 
** 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
** Note ** Click on Indvidual Images to Expand.