Web Portal Changes:

• Attention: Technicians are currently working to bring Precipitation datasets back to full capability after the April 16 outage.
• NWPS - water.noaa.gov - Officially operational on Wednesday, March 27th, 8-9am EDT
• AHPS - water.weather.gov- Scheduled operations ends on Tuesday, May 28th, 2024 - the pages will automatically redirect to water.noaa.gov until May 28, 2025.
• Other Important URL changes - Service Change Notice 24-29 

Please visit https://www.weather.gov/owp/operations for more information.

Weather Forecast Office Grand Junction, CO

Colorado Basin River Forecast Center

Hydrograph

River at a Glance

Download

Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

Auto Refresh: OFF

Printable Image About this graph Tabular Data (UTC) Tabular Data (MDT) Datum: NAVD88 Metadata

NOTE: Gauge reading may be affected by ice. Forecast flows are unadjusted for ice. Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions NOTE: Forecasts for the San Miguel River near Placerville are issued routinely year-round.

Default Hydrograph Scale to Flood Categories   Return to Area Map

Flood Categories (in feet) Not Available Historic Crests (1) 8.06 ft on 06/10/1985 (2) 7.24 ft on 05/14/1984 (3) 6.94 ft on 06/15/2019 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 6.06 ft on 06/06/2020 (2) 6.94 ft on 06/15/2019 (3) 5.20 ft on 05/10/2018 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records Currently none available. For more information on your flood risk go to www.floodsmart.gov. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:16 Legend FEMA Layer Gauge Location 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

If you notice any errors in the below information, please contact our Webmaster
18.89	Water is flowing over the surface of the M44 Bridge.
15.9	Water is flowing over the Geyser Road Bridge.
12.6	Water has reached the bottom of the M44 Road Bridge.
11.7	Water has reached the bottom of the Geyser Road Bridge in Placerville.
8	Some residential flooding along the San Miguel River near Placerville is occurring
7	Portions of Highway 145 in the vicinity of Placerville are flooded.
6.5	Portions of the Placerville Park and Recreation area are flooded.
6	Minor low land flooding can be expected adjacent to the river.
5	The river has reached bankfull in places.

About This Location

Latitude: 38.030706° N, Longitude: 108.110289° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft Not Available 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 7100 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 7030 ft 7036 ft   Current/Historical Observations: U.S. Geological Survey (USGS) Data and Site Info for Placerville

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Snow Information

Collaborative Agencies 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 Grand Junction Weather Forecast Office 2844 Aviators Way Grand Junction, CO 81506 (970) 243-7007 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:28 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities