Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left Home News Organization
Bookmark and Share Navigation Bar End Cap

  

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar

AHPS Documentation
    User Guide
    User Brochure

What is AHPS?
    Facts
    Our Partners

Feedback/Questions
    Provide Feedback
    Ask Questions

When flooded turn around don't drown
FloodSmart
USA.gov Official Web Portal
 

Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via https://www.weather.gov/owp/operations, as described in the StoryMap here.



Hydrograph River at a Glance Download
Middle Fork Feather River near Portola Stage (ft)Flow (cfs)Observed: 4845.61 ft at 9:45PM Sep 18, 2023Observed: 4845.61 ft at 10:00PM Sep 18, 2023Observed: 4845.61 ft at 10:15PM Sep 18, 2023Observed: 4845.61 ft at 10:30PM Sep 18, 2023Observed: 4845.61 ft at 10:45PM Sep 18, 2023Observed: 4845.61 ft at 11:00PM Sep 18, 2023Observed: 4845.61 ft at 11:15PM Sep 18, 2023Observed: 4845.61 ft at 11:30PM Sep 18, 2023Observed: 4845.61 ft at 11:45PM Sep 18, 2023Observed: 4845.62 ft at 12:00AM Sep 19, 2023Observed: 4845.62 ft at 12:15AM Sep 19, 2023Observed: 4845.62 ft at 12:30AM Sep 19, 2023Observed: 4845.62 ft at 12:45AM Sep 19, 2023Observed: 4845.62 ft at 1:00AM Sep 19, 2023Observed: 4845.62 ft at 1:15AM Sep 19, 2023Observed: 4845.62 ft at 1:30AM Sep 19, 2023Observed: 4845.62 ft at 1:45AM Sep 19, 2023Observed: 4845.62 ft at 2:00AM Sep 19, 2023Observed: 4845.62 ft at 2:15AM Sep 19, 2023Observed: 4845.62 ft at 2:30AM Sep 19, 2023Observed: 4845.62 ft at 2:45AM Sep 19, 2023Observed: 4845.62 ft at 3:00AM Sep 19, 2023Observed: 4845.62 ft at 3:15AM Sep 19, 2023Observed: 4845.62 ft at 3:30AM Sep 19, 2023Observed: 4845.62 ft at 3:45AM Sep 19, 2023Observed: 4845.62 ft at 4:00AM Sep 19, 2023Observed: 4845.62 ft at 4:15AM Sep 19, 2023Observed: 4845.62 ft at 4:30AM Sep 19, 2023Observed: 4845.62 ft at 4:45AM Sep 19, 2023Observed: 4845.62 ft at 5:00AM Sep 19, 2023Observed: 4845.62 ft at 5:15AM Sep 19, 2023Observed: 4845.62 ft at 5:30AM Sep 19, 2023Observed: 4845.61 ft at 5:45AM Sep 19, 2023Observed: 4845.61 ft at 6:00AM Sep 19, 2023Observed: 4845.61 ft at 6:15AM Sep 19, 2023Observed: 4845.61 ft at 6:30AM Sep 19, 2023Observed: 4845.61 ft at 6:45AM Sep 19, 2023Observed: 4845.61 ft at 7:00AM Sep 19, 2023Observed: 4845.61 ft at 7:15AM Sep 19, 2023Observed: 4845.61 ft at 7:30AM Sep 19, 2023Observed: 4845.61 ft at 7:45AM Sep 19, 2023Observed: 4845.61 ft at 8:00AM Sep 19, 2023Observed: 4845.61 ft at 8:15AM Sep 19, 2023Observed: 4845.61 ft at 8:30AM Sep 19, 2023Observed: 4845.61 ft at 8:45AM Sep 19, 2023Observed: 4845.61 ft at 9:00AM Sep 19, 2023Observed: 4845.61 ft at 9:15AM Sep 19, 2023Observed: 4845.61 ft at 9:30AM Sep 19, 2023Observed: 4845.61 ft at 9:45AM Sep 19, 2023Observed: 4845.61 ft at 10:00AM Sep 19, 2023Observed: 4845.61 ft at 10:15AM Sep 19, 2023Observed: 4845.61 ft at 10:30AM Sep 19, 2023Observed: 4845.61 ft at 10:45AM Sep 19, 2023Observed: 4845.61 ft at 11:00AM Sep 19, 2023Observed: 4845.6 ft at 11:15AM Sep 19, 2023Observed: 4845.6 ft at 11:30AM Sep 19, 2023Observed: 4845.6 ft at 11:45AM Sep 19, 2023Observed: 4845.6 ft at 12:00PM Sep 19, 2023Observed: 4845.6 ft at 12:15PM Sep 19, 2023Observed: 4845.59 ft at 12:30PM Sep 19, 2023Observed: 4845.59 ft at 12:45PM Sep 19, 2023Observed: 4845.59 ft at 1:00PM Sep 19, 2023Observed: 4845.59 ft at 1:15PM Sep 19, 2023Observed: 4845.59 ft at 1:30PM Sep 19, 2023Observed: 4845.58 ft at 1:45PM Sep 19, 2023Observed: 4845.58 ft at 2:00PM Sep 19, 2023Observed: 4845.58 ft at 2:15PM Sep 19, 2023Observed: 4845.58 ft at 2:30PM Sep 19, 2023Observed: 4845.58 ft at 2:45PM Sep 19, 2023Observed: 4845.57 ft at 3:00PM Sep 19, 2023Observed: 4845.57 ft at 3:15PM Sep 19, 2023Observed: 4845.57 ft at 3:30PM Sep 19, 2023Observed: 4845.57 ft at 3:45PM Sep 19, 2023Observed: 4845.57 ft at 4:00PM Sep 19, 2023Observed: 4845.57 ft at 4:15PM Sep 19, 2023Observed: 4845.57 ft at 4:30PM Sep 19, 2023Observed: 4845.57 ft at 4:45PM Sep 19, 2023Observed: 4845.57 ft at 5:00PM Sep 19, 2023Observed: 4845.57 ft at 5:15PM Sep 19, 2023Observed: 4845.57 ft at 5:30PM Sep 19, 2023Observed: 4845.57 ft at 5:45PM Sep 19, 2023Observed: 4845.58 ft at 6:00PM Sep 19, 2023Observed: 4845.58 ft at 6:15PM Sep 19, 2023Observed: 4845.58 ft at 6:30PM Sep 19, 2023Observed: 4845.58 ft at 7:45PM Sep 19, 2023Observed: 4845.58 ft at 8:00PM Sep 19, 2023Observed: 4845.58 ft at 8:15PM Sep 19, 2023Observed: 4845.58 ft at 8:30PM Sep 19, 2023Observed: 4845.58 ft at 8:45PM Sep 19, 2023Observed: 4845.58 ft at 9:00PM Sep 19, 2023Observed: 4845.59 ft at 9:15PM Sep 19, 2023Observed: 4845.59 ft at 9:30PM Sep 19, 2023Observed: 4845.59 ft at 9:45PM Sep 19, 2023Observed: 4845.59 ft at 10:00PM Sep 19, 2023Observed: 4845.59 ft at 10:15PM Sep 19, 2023Observed: 4845.59 ft at 10:30PM Sep 19, 2023Observed: 4845.59 ft at 10:45PM Sep 19, 2023Observed: 4845.59 ft at 11:00PM Sep 19, 2023Observed: 4845.59 ft at 11:15PM Sep 19, 2023Observed: 4845.59 ft at 11:30PM Sep 19, 2023Observed: 4845.59 ft at 11:45PM Sep 19, 2023Observed: 4845.59 ft at 12:00AM Sep 20, 2023Observed: 4845.59 ft at 12:15AM Sep 20, 2023Observed: 4845.59 ft at 12:30AM Sep 20, 2023Observed: 4845.59 ft at 12:45AM Sep 20, 2023Observed: 4845.59 ft at 1:00AM Sep 20, 2023Observed: 4845.59 ft at 1:15AM Sep 20, 2023Observed: 4845.6 ft at 1:30AM Sep 20, 2023Observed: 4845.6 ft at 1:45AM Sep 20, 2023Observed: 4845.6 ft at 2:00AM Sep 20, 2023Observed: 4845.6 ft at 2:15AM Sep 20, 2023Observed: 4845.6 ft at 2:30AM Sep 20, 2023Observed: 4845.6 ft at 2:45AM Sep 20, 2023Observed: 4845.6 ft at 3:00AM Sep 20, 2023Observed: 4845.6 ft at 3:15AM Sep 20, 2023Observed: 4845.6 ft at 3:30AM Sep 20, 2023Observed: 4845.6 ft at 3:45AM Sep 20, 2023Observed: 4845.6 ft at 4:00AM Sep 20, 2023Observed: 4845.6 ft at 4:15AM Sep 20, 2023Observed: 4845.6 ft at 4:30AM Sep 20, 2023Observed: 4845.6 ft at 4:45AM Sep 20, 2023Observed: 4845.6 ft at 5:00AM Sep 20, 2023Observed: 4845.6 ft at 5:15AM Sep 20, 2023Observed: 4845.6 ft at 5:30AM Sep 20, 2023Observed: 4845.6 ft at 5:45AM Sep 20, 2023Observed: 4845.6 ft at 6:00AM Sep 20, 2023Observed: 4845.6 ft at 6:15AM Sep 20, 2023Observed: 4845.6 ft at 6:30AM Sep 20, 2023Observed: 4845.61 ft at 7:45AM Sep 20, 2023Observed: 4845.61 ft at 8:00AM Sep 20, 2023Observed: 4845.61 ft at 8:15AM Sep 20, 2023Observed: 4845.61 ft at 8:30AM Sep 20, 2023Observed: 4845.61 ft at 8:45AM Sep 20, 2023Observed: 4845.61 ft at 9:00AM Sep 20, 2023Observed: 4845.61 ft at 9:15AM Sep 20, 2023Observed: 4845.61 ft at 9:30AM Sep 20, 2023Observed: 4845.61 ft at 9:45AM Sep 20, 2023Observed: 4845.61 ft at 10:00AM Sep 20, 2023Observed: 4845.61 ft at 10:15AM Sep 20, 2023Observed: 4845.61 ft at 10:30AM Sep 20, 2023Observed: 4845.61 ft at 10:45AM Sep 20, 2023Observed: 4845.61 ft at 11:00AM Sep 20, 2023Observed: 4845.6 ft at 11:15AM Sep 20, 2023Observed: 4845.6 ft at 11:30AM Sep 20, 2023Observed: 4845.6 ft at 11:45AM Sep 20, 2023Observed: 4845.6 ft at 12:00PM Sep 20, 2023Observed: 4845.6 ft at 12:15PM Sep 20, 2023Observed: 4845.6 ft at 12:30PM Sep 20, 2023Observed: 4845.59 ft at 12:45PM Sep 20, 2023Observed: 4845.59 ft at 1:00PM Sep 20, 2023Observed: 4845.59 ft at 1:15PM Sep 20, 2023Observed: 4845.59 ft at 1:30PM Sep 20, 2023Observed: 4845.59 ft at 1:45PM Sep 20, 2023Observed: 4845.58 ft at 2:00PM Sep 20, 2023Observed: 4845.58 ft at 2:15PM Sep 20, 2023Observed: 4845.58 ft at 2:30PM Sep 20, 2023Observed: 4845.58 ft at 2:45PM Sep 20, 2023Observed: 4845.58 ft at 3:00PM Sep 20, 2023Observed: 4845.58 ft at 3:15PM Sep 20, 2023Observed: 4845.57 ft at 3:30PM Sep 20, 2023Observed: 4845.57 ft at 3:45PM Sep 20, 2023Observed: 4845.57 ft at 4:00PM Sep 20, 2023Observed: 4845.57 ft at 4:15PM Sep 20, 2023Observed: 4845.57 ft at 4:30PM Sep 20, 2023Observed: 4845.57 ft at 4:45PM Sep 20, 2023Observed: 4845.57 ft at 5:00PM Sep 20, 2023Observed: 4845.57 ft at 5:15PM Sep 20, 2023Observed: 4845.58 ft at 5:30PM Sep 20, 2023Observed: 4845.58 ft at 5:45PM Sep 20, 2023Observed: 4845.58 ft at 6:00PM Sep 20, 2023Observed: 4845.58 ft at 6:15PM Sep 20, 2023Observed: 4845.58 ft at 6:30PM Sep 20, 2023Observed: 4845.58 ft at 6:45PM Sep 20, 2023Observed: 4845.58 ft at 7:00PM Sep 20, 2023Observed: 4845.58 ft at 7:15PM Sep 20, 2023Observed: 4845.58 ft at 7:30PM Sep 20, 2023Observed: 4845.58 ft at 7:45PM Sep 20, 2023Observed: 4845.59 ft at 8:00PM Sep 20, 2023Observed: 4845.59 ft at 8:15PM Sep 20, 2023Observed: 4845.59 ft at 8:30PM Sep 20, 2023Observed: 4845.59 ft at 8:45PM Sep 20, 2023Observed: 4845.59 ft at 9:00PM Sep 20, 2023Observed: 4845.59 ft at 9:15PM Sep 20, 2023Observed: 4845.59 ft at 9:30PM Sep 20, 2023Observed: 4845.59 ft at 9:45PM Sep 20, 2023Observed: 4845.59 ft at 10:00PM Sep 20, 2023Observed: 4845.59 ft at 10:15PM Sep 20, 2023Observed: 4845.59 ft at 10:30PM Sep 20, 2023Observed: 4845.6 ft at 10:45PM Sep 20, 2023Observed: 4845.6 ft at 11:00PM Sep 20, 2023Observed: 4845.6 ft at 11:15PM Sep 20, 2023Observed: 4845.6 ft at 11:30PM Sep 20, 2023Observed: 4845.6 ft at 11:45PM Sep 20, 2023Observed: 4845.6 ft at 12:00AM Sep 21, 2023Observed: 4845.6 ft at 12:15AM Sep 21, 2023Observed: 4845.6 ft at 12:30AM Sep 21, 2023Observed: 4845.6 ft at 12:45AM Sep 21, 2023Observed: 4845.6 ft at 1:00AM Sep 21, 2023Observed: 4845.6 ft at 1:15AM Sep 21, 2023Observed: 4845.6 ft at 1:30AM Sep 21, 2023Observed: 4845.6 ft at 1:45AM Sep 21, 2023Observed: 4845.6 ft at 2:00AM Sep 21, 2023Observed: 4845.61 ft at 2:15AM Sep 21, 2023Observed: 4845.61 ft at 2:30AM Sep 21, 2023Observed: 4845.61 ft at 2:45AM Sep 21, 2023Observed: 4845.61 ft at 3:00AM Sep 21, 2023Observed: 4845.61 ft at 3:15AM Sep 21, 2023Observed: 4845.61 ft at 3:30AM Sep 21, 2023Observed: 4845.61 ft at 3:45AM Sep 21, 2023Observed: 4845.61 ft at 4:00AM Sep 21, 2023Observed: 4845.61 ft at 4:15AM Sep 21, 2023Observed: 4845.61 ft at 4:30AM Sep 21, 2023Observed: 4845.61 ft at 4:45AM Sep 21, 2023Observed: 4845.61 ft at 5:00AM Sep 21, 2023Observed: 4845.61 ft at 5:15AM Sep 21, 2023Observed: 4845.61 ft at 5:30AM Sep 21, 2023Observed: 4845.61 ft at 5:45AM Sep 21, 2023Observed: 4845.61 ft at 6:00AM Sep 21, 2023Observed: 4845.61 ft at 6:15AM Sep 21, 2023Observed: 4845.61 ft at 6:30AM Sep 21, 2023Observed: 4845.61 ft at 6:45AM Sep 21, 2023Observed: 4845.61 ft at 7:00AM Sep 21, 2023Observed: 4845.61 ft at 7:15AM Sep 21, 2023Observed: 4845.61 ft at 7:30AM Sep 21, 2023Observed: 4845.61 ft at 7:45AM Sep 21, 2023Observed: 4845.61 ft at 8:00AM Sep 21, 2023Observed: 4845.61 ft at 8:15AM Sep 21, 2023Observed: 4845.61 ft at 8:30AM Sep 21, 2023Observed: 4845.61 ft at 8:45AM Sep 21, 2023Observed: 4845.61 ft at 9:00AM Sep 21, 2023Observed: 4845.61 ft at 9:15AM Sep 21, 2023Observed: 4845.61 ft at 9:30AM Sep 21, 2023Observed: 4845.61 ft at 9:45AM Sep 21, 2023Observed: 4845.61 ft at 10:00AM Sep 21, 2023Observed: 4845.61 ft at 10:15AM Sep 21, 2023Observed: 4845.61 ft at 10:30AM Sep 21, 2023Observed: 4845.61 ft at 10:45AM Sep 21, 2023Observed: 4845.61 ft at 11:00AM Sep 21, 2023Observed: 4845.61 ft at 11:15AM Sep 21, 2023Observed: 4845.61 ft at 11:30AM Sep 21, 2023Observed: 4845.61 ft at 11:45AM Sep 21, 2023Observed: 4845.6 ft at 12:00PM Sep 21, 2023Observed: 4845.6 ft at 12:15PM Sep 21, 2023Observed: 4845.6 ft at 12:30PM Sep 21, 2023Observed: 4845.6 ft at 12:45PM Sep 21, 2023Observed: 4845.6 ft at 1:00PM Sep 21, 2023Observed: 4845.6 ft at 1:15PM Sep 21, 2023Observed: 4845.6 ft at 1:30PM Sep 21, 2023Observed: 4845.59 ft at 1:45PM Sep 21, 2023Observed: 4845.59 ft at 2:00PM Sep 21, 2023Observed: 4845.59 ft at 2:15PM Sep 21, 2023Observed: 4845.59 ft at 2:30PM Sep 21, 2023Observed: 4845.59 ft at 2:45PM Sep 21, 2023Observed: 4845.59 ft at 3:00PM Sep 21, 2023Observed: 4845.59 ft at 3:15PM Sep 21, 2023Observed: 4845.59 ft at 3:30PM Sep 21, 2023Observed: 4845.59 ft at 3:45PM Sep 21, 2023Observed: 4845.59 ft at 4:00PM Sep 21, 2023Observed: 4845.59 ft at 4:15PM Sep 21, 2023Observed: 4845.59 ft at 4:30PM Sep 21, 2023Observed: 4845.59 ft at 4:45PM Sep 21, 2023Observed: 4845.59 ft at 5:00PM Sep 21, 2023Observed: 4845.59 ft at 5:15PM Sep 21, 2023Observed: 4845.59 ft at 5:30PM Sep 21, 2023Observed: 4845.59 ft at 5:45PM Sep 21, 2023Observed: 4845.59 ft at 6:00PM Sep 21, 2023Observed: 4845.59 ft at 6:15PM Sep 21, 2023Observed: 4845.59 ft at 6:30PM Sep 21, 2023Observed: 4845.59 ft at 6:45PM Sep 21, 2023Observed: 4845.59 ft at 7:00PM Sep 21, 2023Observed: 4845.6 ft at 7:15PM Sep 21, 2023Observed: 4845.6 ft at 7:30PM Sep 21, 2023Observed: 4845.6 ft at 7:45PM Sep 21, 2023Observed: 4845.6 ft at 8:00PM Sep 21, 2023Observed: 4845.6 ft at 8:15PM Sep 21, 2023Observed: 4845.6 ft at 8:30PM Sep 21, 2023Observed: 4845.6 ft at 8:45PM Sep 21, 2023Observed: 4845.6 ft at 9:00PM Sep 21, 2023Observed: 4845.6 ft at 9:15PM Sep 21, 2023Observed: 4845.6 ft at 9:30PM Sep 21, 2023Observed: 4845.6 ft at 9:45PM Sep 21, 2023Observed: 4845.6 ft at 10:00PM Sep 21, 2023Observed: 4845.6 ft at 10:15PM Sep 21, 2023Observed: 4845.6 ft at 10:30PM Sep 21, 2023Observed: 4845.6 ft at 10:45PM Sep 21, 2023Observed: 4845.6 ft at 11:00PM Sep 21, 2023Observed: 4845.6 ft at 11:15PM Sep 21, 2023Observed: 4845.61 ft at 11:30PM Sep 21, 2023Observed: 4845.61 ft at 11:45PM Sep 21, 2023Observed: 4845.61 ft at 12:00AM Sep 22, 2023Observed: 4845.61 ft at 12:15AM Sep 22, 2023Observed: 4845.61 ft at 12:30AM Sep 22, 2023Observed: 4845.61 ft at 12:45AM Sep 22, 2023Observed: 4845.61 ft at 1:00AM Sep 22, 2023Observed: 4845.61 ft at 1:15AM Sep 22, 2023Observed: 4845.61 ft at 1:30AM Sep 22, 2023Observed: 4845.61 ft at 1:45AM Sep 22, 2023Observed: 4845.61 ft at 2:00AM Sep 22, 2023Observed: 4845.61 ft at 2:15AM Sep 22, 2023Observed: 4845.61 ft at 2:30AM Sep 22, 2023Observed: 4845.61 ft at 2:45AM Sep 22, 2023Observed: 4845.61 ft at 3:00AM Sep 22, 2023Observed: 4845.61 ft at 3:15AM Sep 22, 2023Observed: 4845.62 ft at 3:30AM Sep 22, 2023Observed: 4845.62 ft at 3:45AM Sep 22, 2023Observed: 4845.62 ft at 4:00AM Sep 22, 2023Observed: 4845.62 ft at 4:15AM Sep 22, 2023Observed: 4845.62 ft at 4:30AM Sep 22, 2023Observed: 4845.62 ft at 4:45AM Sep 22, 2023Observed: 4845.62 ft at 5:00AM Sep 22, 2023Observed: 4845.62 ft at 5:15AM Sep 22, 2023Observed: 4845.62 ft at 5:30AM Sep 22, 2023Observed: 4845.62 ft at 5:45AM Sep 22, 2023Observed: 4845.62 ft at 6:00AM Sep 22, 2023Observed: 4845.62 ft at 6:15AM Sep 22, 2023Observed: 4845.62 ft at 6:30AM Sep 22, 2023Observed: 4845.62 ft at 6:45AM Sep 22, 2023Observed: 4845.62 ft at 7:00AM Sep 22, 2023Observed: 4845.62 ft at 7:15AM Sep 22, 2023Observed: 4845.62 ft at 7:30AM Sep 22, 2023Observed: 4845.62 ft at 7:45AM Sep 22, 2023Observed: 4845.62 ft at 8:00AM Sep 22, 2023Observed: 4845.62 ft at 8:15AM Sep 22, 2023Observed: 4845.62 ft at 8:30AM Sep 22, 2023Observed: 4845.62 ft at 8:45AM Sep 22, 2023Observed: 4845.62 ft at 9:00AM Sep 22, 2023Observed: 4845.62 ft at 9:15AM Sep 22, 2023Observed: 4845.62 ft at 9:30AM Sep 22, 2023Highest Observation: 4845.63 ft at 9:45AM Sep 22, 2023Highest Observation: 4845.63 ft at 10:00AM Sep 22, 2023Highest Observation: 4845.63 ft at 10:15AM Sep 22, 2023Highest Observation: 4845.63 ft at 10:30AM Sep 22, 2023Observed: 4845.62 ft at 10:45AM Sep 22, 2023Observed: 4845.62 ft at 11:00AM Sep 22, 2023Observed: 4845.62 ft at 11:15AM Sep 22, 2023Observed: 4845.62 ft at 11:30AM Sep 22, 2023Observed: 4845.62 ft at 11:45AM Sep 22, 2023Observed: 4845.62 ft at 12:00PM Sep 22, 2023Observed: 4845.62 ft at 12:15PM Sep 22, 2023Observed: 4845.62 ft at 12:30PM Sep 22, 2023Observed: 4845.62 ft at 12:45PM Sep 22, 2023Observed: 4845.62 ft at 1:00PM Sep 22, 2023Observed: 4845.62 ft at 1:15PM Sep 22, 2023Observed: 4845.61 ft at 1:30PM Sep 22, 2023Observed: 4845.61 ft at 1:45PM Sep 22, 2023Observed: 4845.61 ft at 2:00PM Sep 22, 2023Observed: 4845.61 ft at 2:15PM Sep 22, 2023Observed: 4845.61 ft at 2:30PM Sep 22, 2023Observed: 4845.61 ft at 2:45PM Sep 22, 2023Observed: 4845.61 ft at 3:00PM Sep 22, 2023Observed: 4845.61 ft at 3:15PM Sep 22, 2023Observed: 4845.61 ft at 3:30PM Sep 22, 2023Observed: 4845.61 ft at 3:45PM Sep 22, 2023Observed: 4845.61 ft at 4:00PM Sep 22, 2023Observed: 4845.61 ft at 4:15PM Sep 22, 2023Observed: 4845.61 ft at 4:30PM Sep 22, 2023Observed: 4845.61 ft at 4:45PM Sep 22, 2023Observed: 4845.61 ft at 5:00PM Sep 22, 2023Observed: 4845.61 ft at 5:15PM Sep 22, 2023Observed: 4845.61 ft at 5:30PM Sep 22, 2023Observed: 4845.61 ft at 5:45PM Sep 22, 2023Observed: 4845.61 ft at 6:00PM Sep 22, 2023Observed: 4845.61 ft at 6:15PM Sep 22, 2023Observed: 4845.61 ft at 6:30PM Sep 22, 2023Observed: 4845.61 ft at 6:45PM Sep 22, 2023Observed: 4845.61 ft at 7:00PM Sep 22, 2023Observed: 4845.61 ft at 7:15PM Sep 22, 2023Observed: 4845.61 ft at 7:30PM Sep 22, 2023Observed: 4845.61 ft at 7:45PM Sep 22, 2023Observed: 4845.61 ft at 8:00PM Sep 22, 2023Observed: 4845.61 ft at 8:15PM Sep 22, 2023Observed: 4845.61 ft at 8:30PM Sep 22, 2023Observed: 4845.62 ft at 8:45PM Sep 22, 2023Observed: 4845.62 ft at 9:00PM Sep 22, 2023Observed: 4845.62 ft at 9:15PM Sep 22, 2023Observed: 4845.62 ft at 9:30PM Sep 22, 2023Observed: 4845.62 ft at 9:45PM Sep 22, 2023Observed: 4845.62 ft at 10:00PM Sep 22, 2023Observed: 4845.62 ft at 10:15PM Sep 22, 2023Observed: 4845.62 ft at 10:30PM Sep 22, 2023Observed: 4845.62 ft at 10:45PM Sep 22, 2023Observed: 4845.62 ft at 11:00PM Sep 22, 2023Observed: 4845.62 ft at 11:15PM Sep 22, 2023Observed: 4845.62 ft at 11:30PM Sep 22, 2023Observed: 4845.62 ft at 11:45PM Sep 22, 2023Observed: 4845.62 ft at 12:00AM Sep 23, 2023Highest Observation: 4845.63 ft at 12:15AM Sep 23, 2023Highest Observation: 4845.63 ft at 12:30AM Sep 23, 2023Highest Observation: 4845.63 ft at 12:45AM Sep 23, 2023Highest Observation: 4845.63 ft at 1:00AM Sep 23, 2023Highest Observation: 4845.63 ft at 1:15AM Sep 23, 2023Highest Observation: 4845.63 ft at 1:30AM Sep 23, 2023Highest Observation: 4845.63 ft at 1:45AM Sep 23, 2023Highest Observation: 4845.63 ft at 2:00AM Sep 23, 2023Highest Observation: 4845.63 ft at 2:15AM Sep 23, 2023Highest Observation: 4845.63 ft at 2:30AM Sep 23, 2023Highest Observation: 4845.63 ft at 2:45AM Sep 23, 2023Highest Observation: 4845.63 ft at 3:00AM Sep 23, 2023Highest Observation: 4845.63 ft at 3:15AM Sep 23, 2023Highest Observation: 4845.63 ft at 3:30AM Sep 23, 2023Highest Observation: 4845.63 ft at 3:45AM Sep 23, 2023Highest Observation: 4845.63 ft at 4:00AM Sep 23, 2023Highest Observation: 4845.63 ft at 4:15AM Sep 23, 2023Highest Observation: 4845.63 ft at 4:30AM Sep 23, 2023Highest Observation: 4845.63 ft at 4:45AM Sep 23, 2023Highest Observation: 4845.63 ft at 5:00AM Sep 23, 2023Highest Observation: 4845.63 ft at 5:15AM Sep 23, 2023Highest Observation: 4845.63 ft at 5:30AM Sep 23, 2023Highest Observation: 4845.63 ft at 5:45AM Sep 23, 2023Highest Observation: 4845.63 ft at 6:00AM Sep 23, 2023Highest Observation: 4845.63 ft at 6:15AM Sep 23, 2023Highest Observation: 4845.63 ft at 6:30AM Sep 23, 2023Highest Observation: 4845.63 ft at 6:45AM Sep 23, 2023Highest Observation: 4845.63 ft at 7:00AM Sep 23, 2023Highest Observation: 4845.63 ft at 7:15AM Sep 23, 2023Highest Observation: 4845.63 ft at 7:30AM Sep 23, 2023Highest Observation: 4845.63 ft at 7:45AM Sep 23, 2023Highest Observation: 4845.63 ft at 8:00AM Sep 23, 2023Highest Observation: 4845.63 ft at 8:15AM Sep 23, 2023Highest Observation: 4845.63 ft at 8:30AM Sep 23, 2023Highest Observation: 4845.63 ft at 8:45AM Sep 23, 2023Highest Observation: 4845.63 ft at 9:00AM Sep 23, 2023Highest Observation: 4845.63 ft at 9:15AM Sep 23, 2023Highest Observation: 4845.63 ft at 9:30AM Sep 23, 2023Highest Observation: 4845.63 ft at 9:45AM Sep 23, 2023Highest Observation: 4845.63 ft at 10:00AM Sep 23, 2023Highest Observation: 4845.63 ft at 10:15AM Sep 23, 2023Highest Observation: 4845.63 ft at 10:30AM Sep 23, 2023Highest Observation: 4845.63 ft at 10:45AM Sep 23, 2023Highest Observation: 4845.63 ft at 11:00AM Sep 23, 2023Highest Observation: 4845.63 ft at 11:15AM Sep 23, 2023Highest Observation: 4845.63 ft at 11:30AM Sep 23, 2023Highest Observation: 4845.63 ft at 11:45AM Sep 23, 2023Highest Observation: 4845.63 ft at 12:00PM Sep 23, 2023Observed: 4845.62 ft at 12:15PM Sep 23, 2023Observed: 4845.62 ft at 12:30PM Sep 23, 2023Observed: 4845.62 ft at 12:45PM Sep 23, 2023Observed: 4845.62 ft at 1:00PM Sep 23, 2023Observed: 4845.62 ft at 1:15PM Sep 23, 2023Observed: 4845.61 ft at 1:30PM Sep 23, 2023Observed: 4845.61 ft at 1:45PM Sep 23, 2023Observed: 4845.61 ft at 2:00PM Sep 23, 2023Observed: 4845.61 ft at 2:15PM Sep 23, 2023Observed: 4845.61 ft at 2:30PM Sep 23, 2023Observed: 4845.6 ft at 2:45PM Sep 23, 2023Observed: 4845.6 ft at 3:00PM Sep 23, 2023Observed: 4845.6 ft at 3:15PM Sep 23, 2023Observed: 4845.6 ft at 3:30PM Sep 23, 2023Observed: 4845.6 ft at 3:45PM Sep 23, 2023Observed: 4845.6 ft at 4:00PM Sep 23, 2023Observed: 4845.6 ft at 4:15PM Sep 23, 2023Observed: 4845.6 ft at 4:30PM Sep 23, 2023Observed: 4845.6 ft at 4:45PM Sep 23, 2023Observed: 4845.6 ft at 5:00PM Sep 23, 2023Observed: 4845.6 ft at 5:15PM Sep 23, 2023Observed: 4845.6 ft at 5:30PM Sep 23, 2023Observed: 4845.6 ft at 5:45PM Sep 23, 2023Observed: 4845.6 ft at 6:00PM Sep 23, 2023Observed: 4845.6 ft at 6:15PM Sep 23, 2023Observed: 4845.6 ft at 6:30PM Sep 23, 2023Observed: 4845.6 ft at 6:45PM Sep 23, 2023Observed: 4845.6 ft at 7:00PM Sep 23, 2023Observed: 4845.6 ft at 7:15PM Sep 23, 2023Observed: 4845.6 ft at 7:30PM Sep 23, 2023Observed: 4845.6 ft at 7:45PM Sep 23, 2023Observed: 4845.6 ft at 8:00PM Sep 23, 2023Observed: 4845.6 ft at 8:15PM Sep 23, 2023Observed: 4845.6 ft at 8:30PM Sep 23, 2023Highest Forecast: 4845.6 ft 10:00PM Sep 23, 2023Highest Forecast: 4845.6 ft 11:00PM Sep 23, 2023Highest Forecast: 4845.6 ft 12:00AM Sep 24, 2023Highest Forecast: 4845.6 ft 1:00AM Sep 24, 2023Highest Forecast: 4845.6 ft 2:00AM Sep 24, 2023Highest Forecast: 4845.6 ft 3:00AM Sep 24, 2023Highest Forecast: 4845.6 ft 4:00AM Sep 24, 2023Highest Forecast: 4845.6 ft 5:00AM Sep 24, 2023Highest Forecast: 4845.6 ft 6:00AM Sep 24, 2023Highest Forecast: 4845.6 ft 7:00AM Sep 24, 2023Highest Forecast: 4845.6 ft 8:00AM Sep 24, 2023Highest Forecast: 4845.6 ft 9:00AM Sep 24, 2023Highest Forecast: 4845.6 ft 10:00AM Sep 24, 2023Highest Forecast: 4845.6 ft 11:00AM Sep 24, 2023Highest Forecast: 4845.6 ft 12:00PM Sep 24, 2023Highest Forecast: 4845.6 ft 1:00PM Sep 24, 2023Highest Forecast: 4845.6 ft 2:00PM Sep 24, 2023Highest Forecast: 4845.6 ft 3:00PM Sep 24, 2023Highest Forecast: 4845.6 ft 4:00PM Sep 24, 2023Highest Forecast: 4845.6 ft 5:00PM Sep 24, 2023Highest Forecast: 4845.6 ft 6:00PM Sep 24, 2023Highest Forecast: 4845.6 ft 7:00PM Sep 24, 2023Highest Forecast: 4845.6 ft 8:00PM Sep 24, 2023Highest Forecast: 4845.6 ft 9:00PM Sep 24, 2023Highest Forecast: 4845.6 ft 10:00PM Sep 24, 2023Highest Forecast: 4845.6 ft 11:00PM Sep 24, 2023Highest Forecast: 4845.6 ft 12:00AM Sep 25, 2023Highest Forecast: 4845.6 ft 1:00AM Sep 25, 2023Highest Forecast: 4845.6 ft 2:00AM Sep 25, 2023Highest Forecast: 4845.6 ft 3:00AM Sep 25, 2023Highest Forecast: 4845.6 ft 4:00AM Sep 25, 2023Highest Forecast: 4845.6 ft 5:00AM Sep 25, 2023Highest Forecast: 4845.6 ft 6:00AM Sep 25, 2023Highest Forecast: 4845.6 ft 7:00AM Sep 25, 2023Highest Forecast: 4845.6 ft 8:00AM Sep 25, 2023Highest Forecast: 4845.6 ft 9:00AM Sep 25, 2023Highest Forecast: 4845.6 ft 10:00AM Sep 25, 2023Highest Forecast: 4845.6 ft 11:00AM Sep 25, 2023Highest Forecast: 4845.6 ft 12:00PM Sep 25, 2023Highest Forecast: 4845.6 ft 1:00PM Sep 25, 2023Highest Forecast: 4845.6 ft 2:00PM Sep 25, 2023Highest Forecast: 4845.6 ft 3:00PM Sep 25, 2023Highest Forecast: 4845.6 ft 4:00PM Sep 25, 2023Highest Forecast: 4845.6 ft 5:00PM Sep 25, 2023Highest Forecast: 4845.6 ft 6:00PM Sep 25, 2023Highest Forecast: 4845.6 ft 7:00PM Sep 25, 2023Highest Forecast: 4845.6 ft 8:00PM Sep 25, 2023Highest Forecast: 4845.6 ft 9:00PM Sep 25, 2023Highest Forecast: 4845.6 ft 10:00PM Sep 25, 2023Highest Forecast: 4845.6 ft 11:00PM Sep 25, 2023Highest Forecast: 4845.6 ft 12:00AM Sep 26, 2023Highest Forecast: 4845.6 ft 1:00AM Sep 26, 2023Highest Forecast: 4845.6 ft 2:00AM Sep 26, 2023Highest Forecast: 4845.6 ft 3:00AM Sep 26, 2023Highest Forecast: 4845.6 ft 4:00AM Sep 26, 2023Highest Forecast: 4845.6 ft 5:00AM Sep 26, 2023Highest Forecast: 4845.6 ft 6:00AM Sep 26, 2023Highest Forecast: 4845.6 ft 7:00AM Sep 26, 2023Highest Forecast: 4845.6 ft 8:00AM Sep 26, 2023Highest Forecast: 4845.6 ft 9:00AM Sep 26, 2023Highest Forecast: 4845.6 ft 10:00AM Sep 26, 2023Highest Forecast: 4845.6 ft 11:00AM Sep 26, 2023Highest Forecast: 4845.6 ft 12:00PM Sep 26, 2023Highest Forecast: 4845.6 ft 1:00PM Sep 26, 2023Highest Forecast: 4845.6 ft 2:00PM Sep 26, 2023Highest Forecast: 4845.6 ft 3:00PM Sep 26, 2023Highest Forecast: 4845.6 ft 4:00PM Sep 26, 2023Highest Forecast: 4845.6 ft 5:00PM Sep 26, 2023Highest Forecast: 4845.6 ft 6:00PM Sep 26, 2023Highest Forecast: 4845.6 ft 7:00PM Sep 26, 2023Highest Forecast: 4845.6 ft 8:00PM Sep 26, 2023Highest Forecast: 4845.6 ft 9:00PM Sep 26, 2023Highest Forecast: 4845.6 ft 10:00PM Sep 26, 2023Highest Forecast: 4845.6 ft 11:00PM Sep 26, 2023Highest Forecast: 4845.6 ft 12:00AM Sep 27, 2023Highest Forecast: 4845.6 ft 1:00AM Sep 27, 2023Highest Forecast: 4845.6 ft 2:00AM Sep 27, 2023Highest Forecast: 4845.6 ft 3:00AM Sep 27, 2023Highest Forecast: 4845.6 ft 4:00AM Sep 27, 2023Highest Forecast: 4845.6 ft 5:00AM Sep 27, 2023Highest Forecast: 4845.6 ft 6:00AM Sep 27, 2023Highest Forecast: 4845.6 ft 7:00AM Sep 27, 2023Highest Forecast: 4845.6 ft 8:00AM Sep 27, 2023Highest Forecast: 4845.6 ft 9:00AM Sep 27, 2023Highest Forecast: 4845.6 ft 10:00AM Sep 27, 2023Highest Forecast: 4845.6 ft 11:00AM Sep 27, 2023Highest Forecast: 4845.6 ft 12:00PM Sep 27, 2023Highest Forecast: 4845.6 ft 1:00PM Sep 27, 2023Highest Forecast: 4845.6 ft 2:00PM Sep 27, 2023Highest Forecast: 4845.6 ft 3:00PM Sep 27, 2023Highest Forecast: 4845.6 ft 4:00PM Sep 27, 2023Highest Forecast: 4845.6 ft 5:00PM Sep 27, 2023Highest Forecast: 4845.6 ft 6:00PM Sep 27, 2023Highest Forecast: 4845.6 ft 7:00PM Sep 27, 2023Highest Forecast: 4845.6 ft 8:00PM Sep 27, 2023Highest Forecast: 4845.6 ft 9:00PM Sep 27, 2023Highest Forecast: 4845.6 ft 10:00PM Sep 27, 2023Highest Forecast: 4845.6 ft 11:00PM Sep 27, 2023Highest Forecast: 4845.6 ft 12:00AM Sep 28, 2023Highest Forecast: 4845.6 ft 1:00AM Sep 28, 2023Highest Forecast: 4845.6 ft 2:00AM Sep 28, 2023Highest Forecast: 4845.6 ft 3:00AM Sep 28, 2023Highest Forecast: 4845.6 ft 4:00AM Sep 28, 2023Highest Forecast: 4845.6 ft 5:00AM Sep 28, 2023CA Dept. of Water ResourcesMFTC1(plotting HGIRG) Graph Created (9:34PM Sep 23, 2023)ObservedForecast (issued 7:27AM Sep 23)Latest observed value: 4845.6 ft at 8:30 PM PDT 23-Sep-2023. Flood Stage is 4852.5 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Stage may be affected by ice during winter months.

NOTE: As of 10/1/2019 the vertical reference for observations and forecasts for this gage will be changed from a local reference to mean sea level. Additional details on this change can be found here or watch a 1 minute video here ***Note, all historic crests have been adjusted to the new datum and estimated based on CADWR rating #37 as of 10/1/19.

Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the Middle Fork Feather River near Portola are issued routinely year-round.

Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 4855.5
Moderate Flood Stage: 4853.5
Flood Stage: 4852.5
Action Stage: 4851
Low Stage (in feet): -9999

Historic Crests
(1) 4,856.21 ft on 02/11/2017
(2) 4,854.42 ft on 03/16/2023 (P)
(3) 4,854.11 ft on 01/21/1969
(4) 4,853.72 ft on 01/10/2017
(5) 4,853.58 ft on 03/27/1971
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 4,854.42 ft on 03/16/2023 (P)
(2) 4,853.06 ft on 02/28/2019
(3) 4,853.32 ft on 03/24/2018
(4) 4,852.53 ft on 04/09/2017
(5) 4,856.21 ft on 02/11/2017
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 4,845.02 ft on 09/11/1969
(2) 4,845.02 ft on 09/24/1976
(3) 4,845.02 ft on 10/01/1977
(4) 4,845.03 ft on 09/15/1978
(5) 4,845.08 ft on 09/04/1979
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:14
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
4856.5 Major to near record flooding. Major damages to transportation, homes and businesses. Similar to January 1997, and in excess of February 9, 2017. Potential for rapid rises and major impacts from tributary streams. Tributary impacts may significantly proceed main-stem peak flows.
4855.5 Major Flood Stage. Major disruptions to transportation with significant impacts to homes and businesses between Beckworth and Clio. Approaching levels of February 9, 2017. Potential for rapid rises and major impacts from tributary streams. Impacts below Portola influenced by magnitude of tributary flows, especially Sulphur Creek. Tributary impacts may significantly proceed main-stem peak flows.
4854.5 Moderate flooding of businesses, homes, structures, and roads, including Highway 89 near Clio, portions of Highway 70, and low lying homes from Beckwourth to Clio. Impacts below Portola influenced by magnitude of tributary flows, especially Sulphur Creek.
4854 Moderate flooding of lowlands, roads, homes, businesses and structures along river from Beckwourth to Clio. Lowest homes on West Street begin to flood. Impacts below Portola influenced by magnitude of tributary flows, especially Sulphur Creek. Similar level to February 22nd, 2017, and slightly exceeding flooding of January 9, 2017.
4853.5 Moderate Flood Stage. Flooding of lowlands, structures, and roads from Beckwourth to Clio. Several low lying structures along river in Portola flood. Evacuation of homes on south end of West Street may be necessary. Highway 89 near Clio likely flooded. Impacts below Portola influenced by magnitude of tributary flows, especially Sulphur Creek. Similar level to 1/9/2017.
4853 Minor flooding of lowlands, roads, and low-lying structures between Beckwourth to Clio. In Portola the lowest lying buildings and businesses on highway 70 may begin to experience some minor flooding. Water along West Street nearing lowest homes along river. Highway 89 near Clio likely flooded. Potential for greater impacts in the lower portion of the reach with large contribution from tributary creeks. Similar level to 3/23/2018.
4852.5 Flood stage. Minor flooding of lowlands, rural roads, agricultural areas, and some low structures between Beckwourth and Clio. In Portola, water nearing lowest lying businesses along Highway 70 on west edge of Portola. The south end of West Street in Portola floods. Portions of Highway 89 near Clio may begin to flood. Potential for greater impacts in the lower portion of the reach with large contribution from tributary creeks. Similar level to March 17, 2011.
4852 Limited minor lowland flooding between Beckwourth and Clio. Potential for road impacts near Clio with large contribution from tributary creeks.
4851 Monitor Stage. Some areas of very minor out of bank flow between Beckwourth and Clio.
Photos
(1) Upstream View From Gage Location above Portola on 17 March 2011.
(2) Downstream View from Gage Location Above Portola on 17 March 2011 with a Stage of 9.0 Feet.
(3) Upstream View from West Street on the Left Bank in Portola on 17 March 2011 at 9.0 Feet.
(4) Upstream View From CA Hwy 89 below Clio Bridge on 17 March 2011.
About This Location Collapse

Latitude: 39.818889° N, Longitude: 120.445000° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 4852.5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 0.0 4852.5 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Reno Weather Forecast Office
2350 Raggio Pkwy
Reno, NV 89512-3900
(775) 673-8100
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:27 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities