National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

Deterministic 5-Day Forecasts 

Data updated:

Ensemble Forecasts
Data updated:


Peak Exceedance Probabilities*
Data updated:
10%25%50%75%90%
5-Day Peak
10-Day Peak
*Exceedance probabilities are only available for selected forecast points.

Observed Data
Data updated:

Latest Hour 1 Hr Ago 2 Hrs Ago 3 Hrs Ago
Forecast Points
Other Points
Reservoirs

Deterministic Forecast + Observed Data
Fcst data updated:
Obs data updated:
Forecast Points 
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Significant River Flood Outlook
Data updated:
Valid:

      National Significant River Flood Outlook
Data updated (unless otherwise noted):


 

 








Monthly Archive
Month/Year:     

Reservoir Storage
(Data to 1925 for all reservoirs/1951 for "major")
% Normal % Capacity
National Gridded Data



Select date:     To:

Point Data
Data updated:
SWE
SWE Change



Data updated:
Snow Depth
Snow Depth Change

Daily Archive (Data back to Apr 2014)
M/D/Y:     
  Basin Elevation Zones % Avg % Apr 1
Avg
Value
Simulated
Basin
Avg
Middle/Upper
Lower/Only
All Zones

Monthly Archive (Data back to Jan 1998)
Month/Year:     
  % Avg Value
Point*
* Jan-Jun only prior to 2019.
Radar Data
 
 


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Short-Range Point Data

Raw data updated:
QC data updated:   
Most Recent Hours (Raw):












6-Hour Totals (QC'd = Quality-Controlled)
Ending 18Z (11 AM PDT) Ending 00Z (5 PM PDT) Ending 06Z (11 PM PDT) Ending 12Z (5 AM PDT)
 
 
 
 
24-Hour Totals (QC'd = Quality-Controlled)



Short-Range Gridded Data
Images created:






     

Monthly/Water Year Archive (starts Oct 1996)
Month/Year:     
Note: The water year starts on October 1 of the previous reference year and ends on September 30 of the reference year. For example, the 2020 Water Year began on October 1, 2019 and ended on September 30, 2020.
    % Avg Value Departure Avg
Point Month
   
WY
   
Grid Month
WY
Basin
Avg
Month
     
WY
     
Forecast
Group
WY
     


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CNRFC Forecast Data
Forecast issued:
 
 

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WPC Forecast Data
Day 1 issued:
Day 2 issued:
Day 3 issued:
Days 1-3 issued:
Days 1-7 issued:
WPC 6-Hourly QPF
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WPC 24-Hourly QPF
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WPC 72-Hourly QPF

WPC 7-Day QPF
Point Data
Data updated:
QC data updated:
Instantaneous Temperatures
Temp Change:
Max/Min Temperatures
24-Hour Max
Ending 12Z
(5 AM PDT)
24-Hour Min
Ending 12Z
(5 AM PDT)
Daytime
Max *
Overnight
Min **
* Updated: 10 PM   **Updated: 10 AM  

Gridded Data
Images created:
 
 

Select obs time:  











Basin Temperature Plots
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Forecast Temperature Grids
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Observed Freezing Levels
Images created:
  

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Forecast Freezing Levels
Forecast issued:
  

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Flash Flood Guidance Grids
Images created:



Note: Recent burn areas are typically more vulnerable to flash flooding and debris flows. Check with your local NWS Forecast Office for fire specific guidance.

Post-Wildfire Debris-Flow Basin Probability
Debris Flow Probability (peak 15-min rainfall intensity of 24 mm/hr)

More info: USGS post-wildfire debris-flow hazards
Data updated:






U.S. Drought Monitor

Select issuance date range:

From:     To:

Climate Prediction Center Outlooks
Drought Outlooks
Extended Range Outlooks
Precipitation
Temperatures
Long Lead Outlook
Precipitation
Temperatures
24-Hour QPF Verification Grids
Images created:
Date: (ending 4am PST / 5am PDT) Select forecast to verify:
Day 1 forecast created Thu Mar 28, 2024


    QPE    
QPF
Last updated:

File Downloads


Current and Archived Point Data
Data Type and Duration:

 Month/Year:    

 
Current and Archived Area Data
Data Type and Duration:

 Month/Year:   


Download QPF Verification Data

Date: (ending 4am PST / 5am PDT)


Download U.S. Drought Monitor Data

Issuance date:

 Temp. Change Filter:  to °F

Daily Water Resources Update

    Web content below courtesy of:  
 Other Resources 
Step one Select data type below:
Step two Select product below:


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Topography

Topography/USGS

ESRI Topography

Shaded Relief

Imagery

Nat'l Geographic

Topo/Rivers

Topo/Hydro

Light Gray

Note 1 About Product:

This product is updated daily with current water year forecasts plotted.

Note 2 About Product:

Most recent Official or Raw ESP Water Supply Forecast during the current water year is plotted.

 

Alternate Text Products:

Official Water Supply Text Forecast   |   ESP Water Supply Seasonal Forecast   |   ESP Water Year Forecast   |   Observed and Forecast Peaks
Current and Archived Point Data
Data Type and Duration:      Month/Year:   

Current and Archived Area Data
Data Type and Duration:      Month/Year:   


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