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Weather Forecast Office Cheyenne, WY

Missouri Basin River Forecast Center

Hydrograph

River at a Glance

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

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Printable Image About this graph Tabular Data (UTC) Tabular Data (MDT) Datum: NGVD29 Metadata

Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions NOTE: Forecasts for the Laramie River near Fort Laramie are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge

Flood Categories (in feet) Major Flood Stage: 9 Moderate Flood Stage: 8 Flood Stage: 7 Action Stage: 6 Low Stage (in feet): -9999 Historic Crests (1) 9.40 ft on 05/10/1973 (2) 9.04 ft on 06/16/2010 (3) 8.67 ft on 05/26/2015 (4) 8.66 ft on 06/14/1970 (5) 8.62 ft on 04/08/1975 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 4.72 ft on 05/31/2019 (P) (2) 4.06 ft on 04/11/2018 (3) 4.50 ft on 03/23/2017 (4) 8.08 ft on 05/13/2016 (5) 8.67 ft on 05/26/2015 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:14 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

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9.4	Record stage and flow of 6,260 cfs established on May 10 1973.
9	Major flooding occurs at Fort Laramie State Park. River is overflowing along the right bank. Only minor flooding occurs at the town of Fort Laramie.
8	Water reaches the base of the bridge of Highway 160 immediately west of the Fort Laramie State Park property (about 1.5 miles upstream from the gage).
7	Flood stage. Highway 160 in the vicinity of the bridge over the Laramie River begins to flood. Grayrocks Road just south of Fort Laramie Histroic site is closed due to high water. Reservoir releases from Grayrocks Reservoir determines the magnitude of successive flooding.
6	Bankfull stage. Minor flooding occurs over low lying areas along the left river bank. Water begins to encroach Grayrocks Road just south of the Fort Laramie Historic site.
Photos (1) Looking Upstream---High Flow (near 5,000 cfs)---June 2010 (2) Looking Downstream---High Flow (near 5,000 cfs)---June 2010 (3) Looking Upstream---Low Flow (4) Looking Downstream---Low Flow

About This Location

Latitude: 42.200523° N, Longitude: 104.538290° W, Horizontal Datum: NAD27 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 7 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 4220 ft 4227 ft 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: U.S. Geological Survey (USGS) Data and Site Info for Fort Laramie

Additional Information

How low could the river get?

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary USGS Water Monitor USGS Real Time Water Data Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management USBR Local Reservoir Levels Boat Ramp Data on Local Reservoirs National Significant River Flood Outlook Seasonal Drought Outlook NOHRSC Interactive Snow Information Snow Telemetry (SNOTEL) Data & Products

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 Cheyenne Weather Forecast Office 1301 Airport Parkway Cheyenne, WY 82001 (307) 772-2468 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:28 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities