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Hydrograph River at a Glance Download
Fossil Creek (CO) at Fort Collins Stage (ft)Observed: 0.85 ft at 12:50PM May 24, 2023Observed: 0.86 ft at 1:50PM May 24, 2023Observed: 0.86 ft at 2:05PM May 24, 2023Observed: 0.86 ft at 2:20PM May 24, 2023Observed: 0.86 ft at 2:35PM May 24, 2023Observed: 0.86 ft at 2:50PM May 24, 2023Observed: 0.86 ft at 3:35PM May 24, 2023Observed: 0.86 ft at 3:50PM May 24, 2023Observed: 0.85 ft at 4:05PM May 24, 2023Observed: 0.86 ft at 4:20PM May 24, 2023Observed: 0.85 ft at 4:50PM May 24, 2023Observed: 0.85 ft at 5:20PM May 24, 2023Observed: 0.85 ft at 5:35PM May 24, 2023Observed: 0.85 ft at 5:50PM May 24, 2023Observed: 0.85 ft at 6:05PM May 24, 2023Observed: 0.86 ft at 6:20PM May 24, 2023Observed: 0.86 ft at 6:35PM May 24, 2023Observed: 0.86 ft at 6:50PM May 24, 2023Observed: 0.86 ft at 7:05PM May 24, 2023Observed: 0.86 ft at 7:20PM May 24, 2023Observed: 0.86 ft at 7:35PM May 24, 2023Observed: 0.86 ft at 8:35PM May 24, 2023Observed: 0.86 ft at 9:35PM May 24, 2023Observed: 0.86 ft at 9:50PM May 24, 2023Observed: 0.86 ft at 10:05PM May 24, 2023Observed: 0.86 ft at 10:20PM May 24, 2023Observed: 0.89 ft at 10:35PM May 24, 2023Observed: 0.92 ft at 10:45PM May 24, 2023Observed: 0.93 ft at 10:50PM May 24, 2023Observed: 0.96 ft at 11:05PM May 24, 2023Observed: 1.02 ft at 11:30PM May 24, 2023Observed: 1.02 ft at 11:35PM May 24, 2023Observed: 1.04 ft at 11:50PM May 24, 2023Observed: 1.07 ft at 12:05AM May 25, 2023Observed: 1.09 ft at 12:20AM May 25, 2023Observed: 1.11 ft at 12:35AM May 25, 2023Observed: 1.12 ft at 12:40AM May 25, 2023Observed: 1.17 ft at 1:35AM May 25, 2023Observed: 1.19 ft at 1:50AM May 25, 2023Observed: 1.22 ft at 2:35AM May 25, 2023Observed: 1.23 ft at 3:05AM May 25, 2023Observed: 1.24 ft at 3:20AM May 25, 2023Observed: 1.25 ft at 3:50AM May 25, 2023Observed: 1.26 ft at 4:05AM May 25, 2023Observed: 1.26 ft at 4:20AM May 25, 2023Observed: 1.27 ft at 4:35AM May 25, 2023Observed: 1.27 ft at 4:50AM May 25, 2023Observed: 1.28 ft at 5:20AM May 25, 2023Observed: 1.28 ft at 5:50AM May 25, 2023Observed: 1.29 ft at 6:05AM May 25, 2023Observed: 1.29 ft at 6:20AM May 25, 2023Observed: 1.29 ft at 6:35AM May 25, 2023Observed: 1.3 ft at 6:50AM May 25, 2023Observed: 1.3 ft at 7:35AM May 25, 2023Observed: 1.3 ft at 7:50AM May 25, 2023Observed: 1.31 ft at 8:20AM May 25, 2023Observed: 1.31 ft at 8:35AM May 25, 2023Observed: 1.31 ft at 9:05AM May 25, 2023Observed: 1.31 ft at 10:05AM May 25, 2023Observed: 1.31 ft at 10:20AM May 25, 2023Observed: 1.31 ft at 10:35AM May 25, 2023Observed: 1.31 ft at 10:50AM May 25, 2023Observed: 1.29 ft at 11:05AM May 25, 2023Observed: 1.27 ft at 11:20AM May 25, 2023Observed: 1.23 ft at 11:50AM May 25, 2023Observed: 1.2 ft at 12:20PM May 25, 2023Observed: 1.18 ft at 12:35PM May 25, 2023Observed: 1.17 ft at 12:50PM May 25, 2023Observed: 1.16 ft at 1:05PM May 25, 2023Observed: 1.15 ft at 1:35PM May 25, 2023Observed: 1.14 ft at 1:50PM May 25, 2023Observed: 1.13 ft at 2:20PM May 25, 2023Observed: 1.13 ft at 2:35PM May 25, 2023Observed: 1.14 ft at 2:50PM May 25, 2023Observed: 1.15 ft at 3:20PM May 25, 2023Observed: 1.16 ft at 3:50PM May 25, 2023Observed: 1.16 ft at 4:20PM May 25, 2023Observed: 1.17 ft at 4:35PM May 25, 2023Observed: 1.17 ft at 4:50PM May 25, 2023Observed: 1.17 ft at 5:05PM May 25, 2023Observed: 1.17 ft at 5:20PM May 25, 2023Observed: 1.17 ft at 5:35PM May 25, 2023Observed: 1.18 ft at 6:20PM May 25, 2023Observed: 1.18 ft at 6:35PM May 25, 2023Observed: 1.18 ft at 7:50PM May 25, 2023Observed: 1.18 ft at 8:20PM May 25, 2023Observed: 1.18 ft at 8:35PM May 25, 2023Observed: 1.19 ft at 8:50PM May 25, 2023Observed: 1.32 ft at 10:10PM May 25, 2023Observed: 1.35 ft at 10:35PM May 25, 2023Observed: 1.37 ft at 10:50PM May 25, 2023Observed: 1.39 ft at 11:20PM May 25, 2023Observed: 1.41 ft at 11:50PM May 25, 2023Observed: 1.42 ft at 12:20AM May 26, 2023Observed: 1.43 ft at 12:35AM May 26, 2023Observed: 1.43 ft at 12:50AM May 26, 2023Observed: 1.44 ft at 1:05AM May 26, 2023Observed: 1.45 ft at 1:20AM May 26, 2023Observed: 1.45 ft at 1:35AM May 26, 2023Observed: 1.47 ft at 2:05AM May 26, 2023Observed: 1.47 ft at 2:20AM May 26, 2023Highest Observation: 1.49 ft at 3:05AM May 26, 2023Highest Observation: 1.49 ft at 3:20AM May 26, 2023Highest Observation: 1.49 ft at 3:35AM May 26, 2023Highest Observation: 1.49 ft at 3:50AM May 26, 2023Highest Observation: 1.49 ft at 4:05AM May 26, 2023Highest Observation: 1.49 ft at 4:20AM May 26, 2023Highest Observation: 1.49 ft at 4:35AM May 26, 2023Highest Observation: 1.49 ft at 5:05AM May 26, 2023Highest Observation: 1.49 ft at 5:20AM May 26, 2023Highest Observation: 1.49 ft at 5:50AM May 26, 2023Observed: 1.48 ft at 6:05AM May 26, 2023Observed: 1.48 ft at 6:20AM May 26, 2023Observed: 1.48 ft at 6:35AM May 26, 2023Observed: 1.48 ft at 7:20AM May 26, 2023Observed: 1.47 ft at 7:50AM May 26, 2023Observed: 1.47 ft at 8:05AM May 26, 2023Observed: 1.47 ft at 8:20AM May 26, 2023Observed: 1.47 ft at 8:35AM May 26, 2023Observed: 1.46 ft at 9:20AM May 26, 2023Observed: 1.46 ft at 9:35AM May 26, 2023Observed: 1.46 ft at 10:20AM May 26, 2023Observed: 1.45 ft at 10:35AM May 26, 2023Observed: 1.45 ft at 10:50AM May 26, 2023Observed: 1.44 ft at 11:35AM May 26, 2023Observed: 1.43 ft at 11:50AM May 26, 2023Observed: 1.42 ft at 12:20PM May 26, 2023Observed: 1.41 ft at 12:35PM May 26, 2023Observed: 1.4 ft at 12:50PM May 26, 2023Observed: 1.39 ft at 1:05PM May 26, 2023Observed: 1.38 ft at 1:20PM May 26, 2023Observed: 1.37 ft at 1:35PM May 26, 2023Observed: 1.37 ft at 1:50PM May 26, 2023Observed: 1.35 ft at 2:20PM May 26, 2023Observed: 1.34 ft at 2:50PM May 26, 2023Observed: 1.32 ft at 3:15PM May 26, 2023Observed: 1.32 ft at 3:20PM May 26, 2023Observed: 1.29 ft at 3:35PM May 26, 2023Observed: 1.21 ft at 4:20PM May 26, 2023Observed: 1.19 ft at 4:35PM May 26, 2023Observed: 1.17 ft at 4:50PM May 26, 2023Observed: 1.14 ft at 5:20PM May 26, 2023Observed: 1.12 ft at 5:35PM May 26, 2023Observed: 1.11 ft at 5:40PM May 26, 2023Observed: 1.1 ft at 6:05PM May 26, 2023Observed: 1.1 ft at 6:20PM May 26, 2023Observed: 1.09 ft at 6:35PM May 26, 2023Observed: 1.08 ft at 7:20PM May 26, 2023Observed: 1.07 ft at 7:35PM May 26, 2023Observed: 1.06 ft at 8:05PM May 26, 2023Observed: 1.05 ft at 8:20PM May 26, 2023Observed: 1.05 ft at 8:35PM May 26, 2023Observed: 1.03 ft at 9:20PM May 26, 2023Observed: 1.03 ft at 9:35PM May 26, 2023Observed: 1.02 ft at 9:50PM May 26, 2023Observed: 1.02 ft at 10:20PM May 26, 2023Observed: 1.02 ft at 10:35PM May 26, 2023Observed: 1.02 ft at 10:50PM May 26, 2023Observed: 1.01 ft at 11:05PM May 26, 2023Observed: 1.01 ft at 11:15PM May 26, 2023Observed: 1.01 ft at 11:35PM May 26, 2023Observed: 1.01 ft at 11:50PM May 26, 2023Observed: 1.01 ft at 12:20AM May 27, 2023Observed: 1.01 ft at 12:35AM May 27, 2023Observed: 1.01 ft at 12:50AM May 27, 2023Observed: 1.01 ft at 1:35AM May 27, 2023Observed: 1.01 ft at 1:50AM May 27, 2023Observed: 1.01 ft at 2:35AM May 27, 2023Observed: 1.01 ft at 2:50AM May 27, 2023Observed: 1.01 ft at 3:05AM May 27, 2023Observed: 1.01 ft at 3:20AM May 27, 2023Observed: 1.01 ft at 3:50AM May 27, 2023Observed: 1.02 ft at 4:35AM May 27, 2023Observed: 1.02 ft at 4:50AM May 27, 2023Observed: 1.03 ft at 5:20AM May 27, 2023Observed: 1.04 ft at 5:35AM May 27, 2023Observed: 1.04 ft at 5:50AM May 27, 2023Observed: 1.05 ft at 6:05AM May 27, 2023Observed: 1.05 ft at 6:20AM May 27, 2023Observed: 1.06 ft at 6:35AM May 27, 2023Observed: 1.06 ft at 6:50AM May 27, 2023Observed: 1.07 ft at 7:05AM May 27, 2023Observed: 1.07 ft at 7:20AM May 27, 2023Observed: 1.08 ft at 7:35AM May 27, 2023Observed: 1.08 ft at 7:50AM May 27, 2023Observed: 1.09 ft at 8:05AM May 27, 2023Observed: 1.09 ft at 8:20AM May 27, 2023Observed: 1.09 ft at 8:35AM May 27, 2023Observed: 1.1 ft at 8:50AM May 27, 2023Observed: 1.1 ft at 9:20AM May 27, 2023Observed: 1.1 ft at 9:35AM May 27, 2023Observed: 1.1 ft at 10:20AM May 27, 2023Observed: 1.1 ft at 10:50AM May 27, 2023Observed: 1.1 ft at 11:20AM May 27, 2023Observed: 1.1 ft at 11:35AM May 27, 2023Observed: 1.1 ft at 11:50AM May 27, 2023Observed: 1.1 ft at 12:35PM May 27, 2023Observed: 1.1 ft at 12:50PM May 27, 2023Observed: 1.11 ft at 1:35PM May 27, 2023Observed: 1.1 ft at 1:50PM May 27, 2023Observed: 1.09 ft at 2:20PM May 27, 2023Observed: 1.08 ft at 2:35PM May 27, 2023Observed: 1.07 ft at 2:50PM May 27, 2023Observed: 1.04 ft at 3:20PM May 27, 2023Observed: 1.03 ft at 3:35PM May 27, 2023Observed: 1.02 ft at 3:50PM May 27, 2023Observed: 1.01 ft at 4:05PM May 27, 2023Observed: 0.99 ft at 4:50PM May 27, 2023Observed: 0.98 ft at 5:05PM May 27, 2023Observed: 0.98 ft at 5:20PM May 27, 2023Observed: 0.97 ft at 5:35PM May 27, 2023Observed: 0.97 ft at 5:50PM May 27, 2023Observed: 0.96 ft at 6:20PM May 27, 2023Observed: 0.95 ft at 6:50PM May 27, 2023Observed: 0.94 ft at 7:05PM May 27, 2023Observed: 0.94 ft at 7:20PM May 27, 2023Observed: 0.94 ft at 7:35PM May 27, 2023Observed: 0.94 ft at 7:50PM May 27, 2023Observed: 0.92 ft at 8:50PM May 27, 2023Observed: 0.91 ft at 9:05PM May 27, 2023Observed: 0.9 ft at 9:35PM May 27, 2023Observed: 0.89 ft at 9:50PM May 27, 2023Observed: 0.89 ft at 10:20PM May 27, 2023Observed: 0.89 ft at 10:35PM May 27, 2023Observed: 0.88 ft at 10:50PM May 27, 2023Observed: 0.88 ft at 11:05PM May 27, 2023Observed: 0.88 ft at 11:20PM May 27, 2023Observed: 0.88 ft at 11:35PM May 27, 2023Observed: 0.88 ft at 11:50PM May 27, 2023Observed: 0.88 ft at 12:05AM May 28, 2023Observed: 0.88 ft at 12:20AM May 28, 2023Observed: 0.88 ft at 12:35AM May 28, 2023Observed: 0.9 ft at 12:50AM May 28, 2023Observed: 1.08 ft at 2:35AM May 28, 2023Observed: 1.09 ft at 2:50AM May 28, 2023Observed: 1.09 ft at 3:05AM May 28, 2023Observed: 1.1 ft at 3:20AM May 28, 2023Observed: 1.1 ft at 3:35AM May 28, 2023Observed: 1.11 ft at 3:50AM May 28, 2023Observed: 1.11 ft at 4:05AM May 28, 2023Observed: 1.11 ft at 4:20AM May 28, 2023Observed: 1.11 ft at 4:35AM May 28, 2023Observed: 1.11 ft at 4:50AM May 28, 2023Observed: 1.12 ft at 5:20AM May 28, 2023Observed: 1.12 ft at 5:35AM May 28, 2023Observed: 1.12 ft at 5:50AM May 28, 2023Observed: 1.12 ft at 6:20AM May 28, 2023Observed: 1.12 ft at 6:35AM May 28, 2023Observed: 1.12 ft at 6:50AM May 28, 2023Observed: 1.13 ft at 7:20AM May 28, 2023Observed: 1.14 ft at 8:05AM May 28, 2023Observed: 1.14 ft at 8:20AM May 28, 2023Observed: 1.14 ft at 8:35AM May 28, 2023Observed: 1.14 ft at 8:50AM May 28, 2023Observed: 1.13 ft at 9:35AM May 28, 2023Observed: 1.12 ft at 9:50AM May 28, 2023Observed: 1.11 ft at 10:20AM May 28, 2023Observed: 1.11 ft at 10:50AM May 28, 2023Observed: 1.11 ft at 11:20AM May 28, 2023Observed: 1.1 ft at 11:50AM May 28, 2023Observed: 1.09 ft at 12:20PM May 28, 2023Observed: 1.08 ft at 12:35PM May 28, 2023Observed: 1.07 ft at 1:05PM May 28, 2023Observed: 1.06 ft at 1:20PM May 28, 2023Observed: 1.06 ft at 1:35PM May 28, 2023Observed: 1.06 ft at 2:05PM May 28, 2023Observed: 1.05 ft at 2:50PM May 28, 2023Observed: 1.05 ft at 3:05PM May 28, 2023Observed: 1.06 ft at 3:20PM May 28, 2023Observed: 1.07 ft at 3:35PM May 28, 2023Observed: 1.07 ft at 3:50PM May 28, 2023Observed: 1.05 ft at 4:20PM May 28, 2023Observed: 1.04 ft at 4:35PM May 28, 2023Observed: 1.03 ft at 4:50PM May 28, 2023Observed: 1.03 ft at 5:35PM May 28, 2023Observed: 1.03 ft at 5:50PM May 28, 2023Observed: 1.04 ft at 6:20PM May 28, 2023Observed: 1.04 ft at 6:35PM May 28, 2023Observed: 1.04 ft at 7:05PM May 28, 2023Observed: 1.04 ft at 7:20PM May 28, 2023Observed: 1.04 ft at 7:35PM May 28, 2023Observed: 1.03 ft at 7:50PM May 28, 2023Observed: 1.01 ft at 8:20PM May 28, 2023Observed: 1.01 ft at 8:35PM May 28, 2023Observed: 1 ft at 8:50PM May 28, 2023Observed: 1 ft at 9:05PM May 28, 2023Observed: 0.99 ft at 9:20PM May 28, 2023Observed: 0.99 ft at 9:35PM May 28, 2023Observed: 0.98 ft at 9:50PM May 28, 2023Observed: 0.98 ft at 10:05PM May 28, 2023Observed: 0.98 ft at 10:20PM May 28, 2023Observed: 0.98 ft at 10:35PM May 28, 2023Observed: 0.97 ft at 10:50PM May 28, 2023Observed: 0.97 ft at 11:20PM May 28, 2023Observed: 0.97 ft at 11:35PM May 28, 2023Observed: 0.97 ft at 12:20AM May 29, 2023Observed: 0.97 ft at 12:35AM May 29, 2023Observed: 0.97 ft at 1:05AM May 29, 2023Observed: 0.97 ft at 1:35AM May 29, 2023Observed: 0.97 ft at 1:50AM May 29, 2023Observed: 0.97 ft at 2:05AM May 29, 2023Observed: 0.97 ft at 2:20AM May 29, 2023Observed: 0.96 ft at 2:50AM May 29, 2023Observed: 0.96 ft at 3:20AM May 29, 2023Observed: 0.96 ft at 3:35AM May 29, 2023Observed: 0.96 ft at 4:05AM May 29, 2023Observed: 0.96 ft at 4:20AM May 29, 2023Observed: 0.96 ft at 4:35AM May 29, 2023Observed: 0.96 ft at 4:50AM May 29, 2023Observed: 0.95 ft at 5:20AM May 29, 2023Observed: 0.95 ft at 5:35AM May 29, 2023Observed: 0.95 ft at 5:50AM May 29, 2023Observed: 0.95 ft at 6:05AM May 29, 2023Observed: 0.95 ft at 6:20AM May 29, 2023Observed: 0.95 ft at 6:50AM May 29, 2023Observed: 0.95 ft at 7:20AM May 29, 2023Observed: 0.95 ft at 7:35AM May 29, 2023Observed: 0.95 ft at 7:50AM May 29, 2023Observed: 0.95 ft at 8:05AM May 29, 2023Observed: 0.95 ft at 8:20AM May 29, 2023Observed: 0.95 ft at 9:20AM May 29, 2023Observed: 0.95 ft at 9:50AM May 29, 2023Observed: 0.95 ft at 10:05AM May 29, 2023Observed: 0.95 ft at 10:20AM May 29, 2023Observed: 0.95 ft at 10:35AM May 29, 2023Observed: 0.95 ft at 11:05AM May 29, 2023Observed: 0.95 ft at 11:20AM May 29, 2023Observed: 0.95 ft at 11:35AM May 29, 2023Observed: 0.95 ft at 11:50AM May 29, 2023Observed: 0.95 ft at 12:20PM May 29, 2023Observed: 0.95 ft at 12:35PM May 29, 2023Fort CollinsFOSC2(plotting HGIRR) Graph Created (12:45PM May 29, 2023)ObservedLatest observed value: 0.95 ft at 12:35 PM MDT 29-May-2023. Flood Stage is 12 ft
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About this graph
Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts are not available for the Fossil Creek (CO) at Fort Collins. Only observed stages are available for this point.
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Downstream Gauge Downstream Gauge - at Fort Collins
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 12.5
Flood Stage: 12
Action Stage: 3.5
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.

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
12.7 COLLEGE AVENUE IS OVERTOPPED.
12 FOSSIL RIDGE PARKWAY EAST OF COLLEGE AVENUE ABOUT TO BE OVERTOPPED.
8.69 WATER IN FOSSIL CREEK REACHES THE TOP OF THE BOX CULVERT AT COLLEGE AVENUE.
3.65 FOSSIL RIDGE DRIVE IS OVERTOPPED DOWNSTREAM OF COLLEGE AVENUE.
About This Location Collapse

Latitude: 40.512222° N, Longitude: 105.077500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 12 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 4954 4962 Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
Additional Information Collapse
Observations provided by the City of Fort Collins.
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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
Denver/Boulder Weather Forecast Office
325 Broadway
Boulder, CO 80305-3328
(303) 494-4221
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Page last modified: 2-Nov-2020 7:28 PM
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