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
Bookmark and Share Navigation Bar End Cap

  
 

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
Cosumnes River at McConnell Stage (ft)Flow (kcfs)Highest Observation: 26.68 ft at 11:45PM Jun 06, 2023Highest Observation: 26.68 ft at 12:00AM Jun 07, 2023Highest Observation: 26.68 ft at 12:15AM Jun 07, 2023Highest Observation: 26.68 ft at 12:30AM Jun 07, 2023Highest Observation: 26.68 ft at 12:45AM Jun 07, 2023Highest Observation: 26.68 ft at 1:00AM Jun 07, 2023Highest Observation: 26.68 ft at 1:15AM Jun 07, 2023Highest Observation: 26.68 ft at 1:30AM Jun 07, 2023Highest Observation: 26.68 ft at 1:45AM Jun 07, 2023Highest Observation: 26.68 ft at 2:00AM Jun 07, 2023Highest Observation: 26.68 ft at 2:15AM Jun 07, 2023Highest Observation: 26.68 ft at 2:30AM Jun 07, 2023Highest Observation: 26.68 ft at 2:45AM Jun 07, 2023Highest Observation: 26.68 ft at 3:00AM Jun 07, 2023Highest Observation: 26.68 ft at 3:15AM Jun 07, 2023Highest Observation: 26.68 ft at 3:30AM Jun 07, 2023Highest Observation: 26.68 ft at 3:45AM Jun 07, 2023Highest Observation: 26.68 ft at 4:00AM Jun 07, 2023Highest Observation: 26.68 ft at 4:15AM Jun 07, 2023Highest Observation: 26.68 ft at 4:30AM Jun 07, 2023Highest Observation: 26.68 ft at 4:45AM Jun 07, 2023Highest Observation: 26.68 ft at 5:00AM Jun 07, 2023Highest Observation: 26.68 ft at 5:15AM Jun 07, 2023Highest Observation: 26.68 ft at 5:30AM Jun 07, 2023Highest Observation: 26.68 ft at 5:45AM Jun 07, 2023Highest Observation: 26.68 ft at 6:00AM Jun 07, 2023Highest Observation: 26.68 ft at 6:15AM Jun 07, 2023Highest Observation: 26.68 ft at 6:30AM Jun 07, 2023Highest Observation: 26.68 ft at 6:45AM Jun 07, 2023Highest Observation: 26.68 ft at 7:00AM Jun 07, 2023Highest Observation: 26.68 ft at 7:15AM Jun 07, 2023Highest Observation: 26.68 ft at 7:30AM Jun 07, 2023Highest Observation: 26.68 ft at 7:45AM Jun 07, 2023Highest Observation: 26.68 ft at 8:00AM Jun 07, 2023Highest Observation: 26.68 ft at 8:15AM Jun 07, 2023Highest Observation: 26.68 ft at 8:30AM Jun 07, 2023Highest Observation: 26.68 ft at 8:45AM Jun 07, 2023Highest Observation: 26.68 ft at 9:00AM Jun 07, 2023Highest Observation: 26.68 ft at 9:15AM Jun 07, 2023Highest Observation: 26.68 ft at 9:30AM Jun 07, 2023Highest Observation: 26.68 ft at 9:45AM Jun 07, 2023Highest Observation: 26.68 ft at 10:00AM Jun 07, 2023Highest Observation: 26.68 ft at 10:15AM Jun 07, 2023Highest Observation: 26.68 ft at 10:30AM Jun 07, 2023Highest Observation: 26.68 ft at 10:45AM Jun 07, 2023Highest Observation: 26.68 ft at 11:00AM Jun 07, 2023Highest Observation: 26.68 ft at 11:15AM Jun 07, 2023Highest Observation: 26.68 ft at 11:30AM Jun 07, 2023Highest Observation: 26.68 ft at 11:45AM Jun 07, 2023Highest Observation: 26.68 ft at 12:00PM Jun 07, 2023Highest Observation: 26.68 ft at 12:15PM Jun 07, 2023Highest Observation: 26.68 ft at 12:30PM Jun 07, 2023Highest Observation: 26.68 ft at 12:45PM Jun 07, 2023Highest Observation: 26.68 ft at 1:00PM Jun 07, 2023Highest Observation: 26.68 ft at 1:15PM Jun 07, 2023Highest Observation: 26.68 ft at 1:30PM Jun 07, 2023Highest Observation: 26.68 ft at 1:45PM Jun 07, 2023Highest Observation: 26.68 ft at 2:00PM Jun 07, 2023Highest Observation: 26.68 ft at 2:15PM Jun 07, 2023Highest Observation: 26.68 ft at 2:30PM Jun 07, 2023Highest Observation: 26.68 ft at 2:45PM Jun 07, 2023Highest Observation: 26.68 ft at 3:00PM Jun 07, 2023Highest Observation: 26.68 ft at 3:15PM Jun 07, 2023Highest Observation: 26.68 ft at 3:30PM Jun 07, 2023Highest Observation: 26.68 ft at 3:45PM Jun 07, 2023Highest Observation: 26.68 ft at 4:00PM Jun 07, 2023Highest Observation: 26.68 ft at 4:15PM Jun 07, 2023Highest Observation: 26.68 ft at 4:30PM Jun 07, 2023Highest Observation: 26.68 ft at 4:45PM Jun 07, 2023Highest Observation: 26.68 ft at 5:00PM Jun 07, 2023Highest Observation: 26.68 ft at 5:15PM Jun 07, 2023Highest Observation: 26.68 ft at 5:30PM Jun 07, 2023Highest Observation: 26.68 ft at 5:45PM Jun 07, 2023Highest Observation: 26.68 ft at 6:00PM Jun 07, 2023Highest Observation: 26.68 ft at 6:15PM Jun 07, 2023Highest Observation: 26.68 ft at 6:30PM Jun 07, 2023Highest Observation: 26.68 ft at 6:45PM Jun 07, 2023Highest Observation: 26.68 ft at 7:00PM Jun 07, 2023Highest Observation: 26.68 ft at 7:15PM Jun 07, 2023Highest Observation: 26.68 ft at 7:30PM Jun 07, 2023Highest Observation: 26.68 ft at 7:45PM Jun 07, 2023Highest Observation: 26.68 ft at 8:00PM Jun 07, 2023Highest Observation: 26.68 ft at 8:15PM Jun 07, 2023Highest Observation: 26.68 ft at 8:30PM Jun 07, 2023Highest Observation: 26.68 ft at 8:45PM Jun 07, 2023Highest Observation: 26.68 ft at 9:00PM Jun 07, 2023Highest Observation: 26.68 ft at 9:15PM Jun 07, 2023Highest Observation: 26.68 ft at 9:30PM Jun 07, 2023Highest Observation: 26.68 ft at 9:45PM Jun 07, 2023Highest Observation: 26.68 ft at 10:00PM Jun 07, 2023Highest Observation: 26.68 ft at 10:15PM Jun 07, 2023Highest Observation: 26.68 ft at 10:30PM Jun 07, 2023Highest Observation: 26.68 ft at 10:45PM Jun 07, 2023Highest Observation: 26.68 ft at 11:00PM Jun 07, 2023Highest Observation: 26.68 ft at 11:15PM Jun 07, 2023Highest Observation: 26.68 ft at 11:30PM Jun 07, 2023Highest Observation: 26.68 ft at 11:45PM Jun 07, 2023Highest Observation: 26.68 ft at 12:00AM Jun 08, 2023Highest Observation: 26.68 ft at 12:15AM Jun 08, 2023Highest Observation: 26.68 ft at 12:30AM Jun 08, 2023Highest Observation: 26.68 ft at 12:45AM Jun 08, 2023Highest Observation: 26.68 ft at 1:00AM Jun 08, 2023Highest Observation: 26.68 ft at 1:15AM Jun 08, 2023Highest Observation: 26.68 ft at 1:30AM Jun 08, 2023Highest Observation: 26.68 ft at 1:45AM Jun 08, 2023Highest Observation: 26.68 ft at 2:00AM Jun 08, 2023Highest Observation: 26.68 ft at 2:15AM Jun 08, 2023Highest Observation: 26.68 ft at 2:30AM Jun 08, 2023Highest Observation: 26.68 ft at 2:45AM Jun 08, 2023Highest Observation: 26.68 ft at 3:00AM Jun 08, 2023Highest Observation: 26.68 ft at 3:15AM Jun 08, 2023Highest Observation: 26.68 ft at 3:30AM Jun 08, 2023Highest Observation: 26.68 ft at 3:45AM Jun 08, 2023Highest Observation: 26.68 ft at 4:00AM Jun 08, 2023Highest Observation: 26.68 ft at 4:15AM Jun 08, 2023Highest Observation: 26.68 ft at 4:30AM Jun 08, 2023Highest Observation: 26.68 ft at 4:45AM Jun 08, 2023Highest Observation: 26.68 ft at 5:00AM Jun 08, 2023Highest Observation: 26.68 ft at 5:15AM Jun 08, 2023Highest Observation: 26.68 ft at 5:30AM Jun 08, 2023Highest Observation: 26.68 ft at 5:45AM Jun 08, 2023Highest Observation: 26.68 ft at 6:00AM Jun 08, 2023Highest Observation: 26.68 ft at 6:15AM Jun 08, 2023Highest Observation: 26.68 ft at 6:30AM Jun 08, 2023Highest Observation: 26.68 ft at 6:45AM Jun 08, 2023Highest Observation: 26.68 ft at 7:00AM Jun 08, 2023Highest Observation: 26.68 ft at 7:15AM Jun 08, 2023Highest Observation: 26.68 ft at 7:30AM Jun 08, 2023Highest Observation: 26.68 ft at 7:45AM Jun 08, 2023Highest Observation: 26.68 ft at 8:00AM Jun 08, 2023Highest Observation: 26.68 ft at 8:15AM Jun 08, 2023Highest Observation: 26.68 ft at 8:30AM Jun 08, 2023Highest Observation: 26.68 ft at 8:45AM Jun 08, 2023Highest Observation: 26.68 ft at 9:00AM Jun 08, 2023Highest Observation: 26.68 ft at 9:15AM Jun 08, 2023Highest Observation: 26.68 ft at 9:30AM Jun 08, 2023Highest Observation: 26.68 ft at 9:45AM Jun 08, 2023Highest Observation: 26.68 ft at 10:00AM Jun 08, 2023Highest Observation: 26.68 ft at 10:15AM Jun 08, 2023Highest Observation: 26.68 ft at 10:30AM Jun 08, 2023Highest Observation: 26.68 ft at 10:45AM Jun 08, 2023Highest Observation: 26.68 ft at 11:00AM Jun 08, 2023Highest Observation: 26.68 ft at 11:15AM Jun 08, 2023Highest Observation: 26.68 ft at 11:30AM Jun 08, 2023Highest Observation: 26.68 ft at 11:45AM Jun 08, 2023Highest Observation: 26.68 ft at 12:00PM Jun 08, 2023Highest Observation: 26.68 ft at 12:15PM Jun 08, 2023Highest Observation: 26.68 ft at 12:30PM Jun 08, 2023Highest Observation: 26.68 ft at 12:45PM Jun 08, 2023Highest Observation: 26.68 ft at 1:00PM Jun 08, 2023Highest Observation: 26.68 ft at 1:15PM Jun 08, 2023Highest Observation: 26.68 ft at 1:30PM Jun 08, 2023Highest Observation: 26.68 ft at 1:45PM Jun 08, 2023Highest Observation: 26.68 ft at 2:00PM Jun 08, 2023Highest Observation: 26.68 ft at 2:15PM Jun 08, 2023Highest Observation: 26.68 ft at 2:30PM Jun 08, 2023Highest Observation: 26.68 ft at 2:45PM Jun 08, 2023Highest Observation: 26.68 ft at 3:00PM Jun 08, 2023Highest Observation: 26.68 ft at 3:15PM Jun 08, 2023Highest Observation: 26.68 ft at 3:30PM Jun 08, 2023Highest Observation: 26.68 ft at 3:45PM Jun 08, 2023Highest Observation: 26.68 ft at 4:00PM Jun 08, 2023Highest Observation: 26.68 ft at 4:15PM Jun 08, 2023Highest Observation: 26.68 ft at 4:30PM Jun 08, 2023Highest Observation: 26.68 ft at 4:45PM Jun 08, 2023Highest Observation: 26.68 ft at 5:00PM Jun 08, 2023Highest Observation: 26.68 ft at 5:15PM Jun 08, 2023Highest Observation: 26.68 ft at 5:30PM Jun 08, 2023Highest Observation: 26.68 ft at 5:45PM Jun 08, 2023Highest Observation: 26.68 ft at 6:00PM Jun 08, 2023Highest Observation: 26.68 ft at 6:15PM Jun 08, 2023Highest Observation: 26.68 ft at 6:30PM Jun 08, 2023Highest Observation: 26.68 ft at 6:45PM Jun 08, 2023Highest Observation: 26.68 ft at 7:00PM Jun 08, 2023Highest Observation: 26.68 ft at 7:15PM Jun 08, 2023Highest Observation: 26.68 ft at 7:30PM Jun 08, 2023Highest Observation: 26.68 ft at 7:45PM Jun 08, 2023Highest Observation: 26.68 ft at 8:00PM Jun 08, 2023Highest Observation: 26.68 ft at 8:15PM Jun 08, 2023Highest Observation: 26.68 ft at 8:30PM Jun 08, 2023Highest Observation: 26.68 ft at 8:45PM Jun 08, 2023Highest Observation: 26.68 ft at 9:00PM Jun 08, 2023Highest Observation: 26.68 ft at 9:15PM Jun 08, 2023Highest Observation: 26.68 ft at 9:30PM Jun 08, 2023Highest Observation: 26.68 ft at 9:45PM Jun 08, 2023Highest Observation: 26.68 ft at 10:00PM Jun 08, 2023Highest Observation: 26.68 ft at 10:15PM Jun 08, 2023Highest Observation: 26.68 ft at 10:30PM Jun 08, 2023Highest Observation: 26.68 ft at 10:45PM Jun 08, 2023Highest Observation: 26.68 ft at 11:00PM Jun 08, 2023Highest Observation: 26.68 ft at 11:15PM Jun 08, 2023Highest Observation: 26.68 ft at 11:30PM Jun 08, 2023Highest Observation: 26.68 ft at 11:45PM Jun 08, 2023Highest Observation: 26.68 ft at 12:00AM Jun 09, 2023Highest Observation: 26.68 ft at 12:15AM Jun 09, 2023Highest Observation: 26.68 ft at 12:30AM Jun 09, 2023Highest Observation: 26.68 ft at 12:45AM Jun 09, 2023Highest Observation: 26.68 ft at 1:00AM Jun 09, 2023Highest Observation: 26.68 ft at 1:15AM Jun 09, 2023Highest Observation: 26.68 ft at 1:30AM Jun 09, 2023Highest Observation: 26.68 ft at 1:45AM Jun 09, 2023Highest Observation: 26.68 ft at 2:00AM Jun 09, 2023Highest Observation: 26.68 ft at 2:15AM Jun 09, 2023Highest Observation: 26.68 ft at 2:30AM Jun 09, 2023Highest Observation: 26.68 ft at 2:45AM Jun 09, 2023Highest Observation: 26.68 ft at 3:00AM Jun 09, 2023Highest Observation: 26.68 ft at 3:15AM Jun 09, 2023Highest Observation: 26.68 ft at 3:30AM Jun 09, 2023Highest Observation: 26.68 ft at 3:45AM Jun 09, 2023Highest Observation: 26.68 ft at 4:00AM Jun 09, 2023Highest Observation: 26.68 ft at 4:15AM Jun 09, 2023Highest Observation: 26.68 ft at 4:30AM Jun 09, 2023Highest Observation: 26.68 ft at 4:45AM Jun 09, 2023Highest Observation: 26.68 ft at 5:00AM Jun 09, 2023Highest Observation: 26.68 ft at 5:15AM Jun 09, 2023Highest Observation: 26.68 ft at 5:30AM Jun 09, 2023Highest Observation: 26.68 ft at 5:45AM Jun 09, 2023Highest Observation: 26.68 ft at 6:00AM Jun 09, 2023Highest Observation: 26.68 ft at 6:15AM Jun 09, 2023Highest Observation: 26.68 ft at 6:30AM Jun 09, 2023Highest Observation: 26.68 ft at 6:45AM Jun 09, 2023Highest Observation: 26.68 ft at 7:00AM Jun 09, 2023Highest Observation: 26.68 ft at 7:15AM Jun 09, 2023Highest Observation: 26.68 ft at 7:30AM Jun 09, 2023Highest Observation: 26.68 ft at 7:45AM Jun 09, 2023Highest Observation: 26.68 ft at 8:00AM Jun 09, 2023Highest Observation: 26.68 ft at 8:15AM Jun 09, 2023Highest Observation: 26.68 ft at 8:30AM Jun 09, 2023Highest Observation: 26.68 ft at 8:45AM Jun 09, 2023Highest Observation: 26.68 ft at 9:00AM Jun 09, 2023Highest Observation: 26.68 ft at 9:15AM Jun 09, 2023Highest Observation: 26.68 ft at 9:30AM Jun 09, 2023Highest Observation: 26.68 ft at 9:45AM Jun 09, 2023Highest Observation: 26.68 ft at 10:00AM Jun 09, 2023Highest Observation: 26.68 ft at 10:15AM Jun 09, 2023Highest Observation: 26.68 ft at 10:30AM Jun 09, 2023Highest Observation: 26.68 ft at 10:45AM Jun 09, 2023Highest Observation: 26.68 ft at 11:00AM Jun 09, 2023Highest Observation: 26.68 ft at 11:15AM Jun 09, 2023Highest Observation: 26.68 ft at 11:30AM Jun 09, 2023Highest Observation: 26.68 ft at 11:45AM Jun 09, 2023Highest Observation: 26.68 ft at 12:00PM Jun 09, 2023Highest Observation: 26.68 ft at 12:15PM Jun 09, 2023Highest Observation: 26.68 ft at 12:30PM Jun 09, 2023Highest Observation: 26.68 ft at 12:45PM Jun 09, 2023Highest Observation: 26.68 ft at 1:00PM Jun 09, 2023Highest Observation: 26.68 ft at 1:15PM Jun 09, 2023Highest Observation: 26.68 ft at 1:30PM Jun 09, 2023Highest Observation: 26.68 ft at 1:45PM Jun 09, 2023Highest Observation: 26.68 ft at 2:00PM Jun 09, 2023Highest Observation: 26.68 ft at 2:15PM Jun 09, 2023Highest Observation: 26.68 ft at 2:30PM Jun 09, 2023Highest Observation: 26.68 ft at 2:45PM Jun 09, 2023Highest Observation: 26.68 ft at 3:00PM Jun 09, 2023Highest Observation: 26.68 ft at 3:15PM Jun 09, 2023Highest Observation: 26.68 ft at 3:30PM Jun 09, 2023Highest Observation: 26.68 ft at 3:45PM Jun 09, 2023Highest Observation: 26.68 ft at 4:00PM Jun 09, 2023Highest Observation: 26.68 ft at 4:15PM Jun 09, 2023Highest Observation: 26.68 ft at 4:30PM Jun 09, 2023Highest Observation: 26.68 ft at 4:45PM Jun 09, 2023Highest Observation: 26.68 ft at 5:00PM Jun 09, 2023Highest Observation: 26.68 ft at 5:15PM Jun 09, 2023Highest Observation: 26.68 ft at 5:30PM Jun 09, 2023Highest Observation: 26.68 ft at 5:45PM Jun 09, 2023Highest Observation: 26.68 ft at 6:00PM Jun 09, 2023Highest Observation: 26.68 ft at 6:15PM Jun 09, 2023Highest Observation: 26.68 ft at 6:30PM Jun 09, 2023Highest Observation: 26.68 ft at 6:45PM Jun 09, 2023Highest Observation: 26.68 ft at 7:00PM Jun 09, 2023Highest Observation: 26.68 ft at 7:15PM Jun 09, 2023Highest Observation: 26.68 ft at 7:30PM Jun 09, 2023Highest Observation: 26.68 ft at 7:45PM Jun 09, 2023Highest Observation: 26.68 ft at 8:00PM Jun 09, 2023Highest Observation: 26.68 ft at 8:15PM Jun 09, 2023Highest Observation: 26.68 ft at 8:30PM Jun 09, 2023Highest Observation: 26.68 ft at 8:45PM Jun 09, 2023Highest Observation: 26.68 ft at 9:00PM Jun 09, 2023Highest Observation: 26.68 ft at 9:15PM Jun 09, 2023Highest Observation: 26.68 ft at 9:30PM Jun 09, 2023Highest Observation: 26.68 ft at 9:45PM Jun 09, 2023Highest Observation: 26.68 ft at 10:00PM Jun 09, 2023Highest Observation: 26.68 ft at 10:15PM Jun 09, 2023Highest Observation: 26.68 ft at 10:30PM Jun 09, 2023Highest Observation: 26.68 ft at 10:45PM Jun 09, 2023Highest Observation: 26.68 ft at 11:00PM Jun 09, 2023Highest Observation: 26.68 ft at 11:15PM Jun 09, 2023Forecast: 25.8 ft 12:00AM Jun 10, 2023Forecast: 25.8 ft 1:00AM Jun 10, 2023Forecast: 25.8 ft 2:00AM Jun 10, 2023Forecast: 25.8 ft 3:00AM Jun 10, 2023Forecast: 25.8 ft 4:00AM Jun 10, 2023Forecast: 25.8 ft 5:00AM Jun 10, 2023Forecast: 25.8 ft 6:00AM Jun 10, 2023Forecast: 25.8 ft 7:00AM Jun 10, 2023Forecast: 25.8 ft 8:00AM Jun 10, 2023Forecast: 25.8 ft 9:00AM Jun 10, 2023Forecast: 25.8 ft 10:00AM Jun 10, 2023Forecast: 25.8 ft 11:00AM Jun 10, 2023Forecast: 25.8 ft 12:00PM Jun 10, 2023Forecast: 25.8 ft 1:00PM Jun 10, 2023Forecast: 25.8 ft 2:00PM Jun 10, 2023Forecast: 25.8 ft 3:00PM Jun 10, 2023Forecast: 25.8 ft 4:00PM Jun 10, 2023Forecast: 25.8 ft 5:00PM Jun 10, 2023Forecast: 25.8 ft 6:00PM Jun 10, 2023Forecast: 25.7 ft 7:00PM Jun 10, 2023Forecast: 25.7 ft 8:00PM Jun 10, 2023Forecast: 25.7 ft 9:00PM Jun 10, 2023Forecast: 25.7 ft 10:00PM Jun 10, 2023Forecast: 25.7 ft 11:00PM Jun 10, 2023Forecast: 25.7 ft 12:00AM Jun 11, 2023Forecast: 25.7 ft 1:00AM Jun 11, 2023Forecast: 25.7 ft 2:00AM Jun 11, 2023Forecast: 25.7 ft 3:00AM Jun 11, 2023Forecast: 25.7 ft 4:00AM Jun 11, 2023Forecast: 25.7 ft 5:00AM Jun 11, 2023Forecast: 25.7 ft 6:00AM Jun 11, 2023Forecast: 25.7 ft 7:00AM Jun 11, 2023Forecast: 25.7 ft 8:00AM Jun 11, 2023Forecast: 25.7 ft 9:00AM Jun 11, 2023Forecast: 25.7 ft 10:00AM Jun 11, 2023Forecast: 25.7 ft 11:00AM Jun 11, 2023Forecast: 25.7 ft 12:00PM Jun 11, 2023Forecast: 25.8 ft 1:00PM Jun 11, 2023Forecast: 25.8 ft 2:00PM Jun 11, 2023Forecast: 25.8 ft 3:00PM Jun 11, 2023Forecast: 25.8 ft 4:00PM Jun 11, 2023Forecast: 25.8 ft 5:00PM Jun 11, 2023Forecast: 25.8 ft 6:00PM Jun 11, 2023Forecast: 25.8 ft 7:00PM Jun 11, 2023Forecast: 25.9 ft 8:00PM Jun 11, 2023Forecast: 25.9 ft 9:00PM Jun 11, 2023Forecast: 25.9 ft 10:00PM Jun 11, 2023Forecast: 25.9 ft 11:00PM Jun 11, 2023Forecast: 25.9 ft 12:00AM Jun 12, 2023Forecast: 25.9 ft 1:00AM Jun 12, 2023Forecast: 25.9 ft 2:00AM Jun 12, 2023Forecast: 25.8 ft 3:00AM Jun 12, 2023Forecast: 25.8 ft 4:00AM Jun 12, 2023Forecast: 25.8 ft 5:00AM Jun 12, 2023Forecast: 25.8 ft 6:00AM Jun 12, 2023Forecast: 25.8 ft 7:00AM Jun 12, 2023Forecast: 25.8 ft 8:00AM Jun 12, 2023Forecast: 25.8 ft 9:00AM Jun 12, 2023Forecast: 25.8 ft 10:00AM Jun 12, 2023Forecast: 25.8 ft 11:00AM Jun 12, 2023Forecast: 25.9 ft 12:00PM Jun 12, 2023Forecast: 25.9 ft 1:00PM Jun 12, 2023Forecast: 25.9 ft 2:00PM Jun 12, 2023Forecast: 26 ft 3:00PM Jun 12, 2023Forecast: 26 ft 4:00PM Jun 12, 2023Forecast: 26.1 ft 5:00PM Jun 12, 2023Forecast: 26.1 ft 6:00PM Jun 12, 2023Forecast: 26.2 ft 7:00PM Jun 12, 2023Forecast: 26.2 ft 8:00PM Jun 12, 2023Forecast: 26.3 ft 9:00PM Jun 12, 2023Forecast: 26.3 ft 10:00PM Jun 12, 2023Forecast: 26.3 ft 11:00PM Jun 12, 2023Forecast: 26.3 ft 12:00AM Jun 13, 2023Highest Forecast: 26.4 ft 1:00AM Jun 13, 2023Highest Forecast: 26.4 ft 2:00AM Jun 13, 2023Highest Forecast: 26.4 ft 3:00AM Jun 13, 2023Forecast: 26.3 ft 4:00AM Jun 13, 2023Forecast: 26.3 ft 5:00AM Jun 13, 2023Forecast: 26.3 ft 6:00AM Jun 13, 2023Forecast: 26.3 ft 7:00AM Jun 13, 2023Forecast: 26.3 ft 8:00AM Jun 13, 2023Forecast: 26.3 ft 9:00AM Jun 13, 2023Forecast: 26.3 ft 10:00AM Jun 13, 2023Forecast: 26.3 ft 11:00AM Jun 13, 2023Forecast: 26.3 ft 12:00PM Jun 13, 2023Forecast: 26.3 ft 1:00PM Jun 13, 2023Forecast: 26.3 ft 2:00PM Jun 13, 2023Forecast: 26.3 ft 3:00PM Jun 13, 2023Forecast: 26.3 ft 4:00PM Jun 13, 2023Forecast: 26.3 ft 5:00PM Jun 13, 2023Forecast: 26.3 ft 6:00PM Jun 13, 2023Forecast: 26.3 ft 7:00PM Jun 13, 2023Forecast: 26.3 ft 8:00PM Jun 13, 2023Forecast: 26.3 ft 9:00PM Jun 13, 2023Forecast: 26.3 ft 10:00PM Jun 13, 2023Forecast: 26.3 ft 11:00PM Jun 13, 2023Forecast: 26.3 ft 12:00AM Jun 14, 2023Forecast: 26.2 ft 1:00AM Jun 14, 2023Forecast: 26.2 ft 2:00AM Jun 14, 2023Forecast: 26.2 ft 3:00AM Jun 14, 2023Forecast: 26.2 ft 4:00AM Jun 14, 2023Forecast: 26.2 ft 5:00AM Jun 14, 2023MCNC1(plotting HGIRG) Graph Created (11:38PM Jun 9, 2023)ObservedForecast (issued 7:53AM Jun 9)Latest observed value: 26.68 ft at 11:15 PM PDT 9-Jun-2023. Flood Stage is 42 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: On March 9, 2023, monitor stage was updated to 36.0 ft and flood stage was updated to 42.0 ft. Observations are now valid for the full range of stage values up to 48 ft.

NOTE: Forecasts for the Cosumnes River at McConnell are issued routinely year-round.

Return to Area Map
Upstream Gauge - at Michigan Bar Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 51
Moderate Flood Stage: 50.9
Flood Stage: 42
Action Stage: 36
Low Stage (in feet): 0

Historic Crests
(1) 49.90 ft on 01/14/1980
(2) 48.50 ft on 01/02/1997
(3) 47.10 ft on 02/18/1986
(4) 47.02 ft on 01/01/2006
(5) 46.56 ft on 02/04/1998
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 41.90 ft on 03/15/2023 (P)
(2) 0.00 ft on 01/01/2023 (P)
(3) 38.99 ft on 12/24/2021
(4) 32.00 ft on 01/29/2021
(5) 38.18 ft on 04/06/2020
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:16
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
36 Monitor Stage - Water exits the river upstream and downstream of Highway 99. Dillard Road is flooded from Highway 99 to Riley Road. Twin Cities Road is flooded from Hardesty Lane to Christensen Road.
35 The Cosumnes River overflow channel begins to flow.
About This Location Collapse

Latitude: 38.357500° N, Longitude: 121.343611° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 42 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 Not Available Not Available 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 0 ft 46 ft  

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
Sacramento Weather Forecast Office

Sacramento, CA
(916) 979-3051
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:27 PM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities