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Weather Forecast Office Riverton, 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 (MST) Datum: NGVD29 Metadata

NOTE: Stage may be affected by ice. Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions NOTE: Forecasts for the Wind River at Riverton 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: 12 Moderate Flood Stage: 11 Flood Stage: 9 Action Stage: 8 Low Stage (in feet): -9999 Historic Crests (1) 12.06 ft on 06/10/2017 (2) 11.80 ft on 07/02/2011 (3) 11.06 ft on 06/19/2018 (4) 10.86 ft on 06/10/1997 (5) 10.84 ft on 06/20/1999 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 7.82 ft on 06/06/2021 (2) 9.30 ft on 06/30/2020 (3) 9.20 ft on 06/16/2019 (4) 11.06 ft on 06/19/2018 (5) 10.01 ft on 05/29/2018 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: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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12.5	Water may begin to flow over Highway 789 south of the Riverton Bridge. Continuous monitoring and/or repair of levees and berms is necessary. The river may overtake and overflow irrigation canals upstream of Riverton.
12	Flood waters continue to invade low lying areas west of Highway 789. Highway 789 may be sand leveed by wydot on the south side of the river. Widespread and very extensive agricultural flooding downstream of Riverton near the Black Bridge and Hidden Valley area. Need to monitor closely irrigation canals upstream of Riverton for possibe overflow problems.
11	Major flooding of homes along the right bank. Water begins to encroach low lying areas west of Highway 789.
10	Extensive agricultural flooding downstream of Riverton near the Black Bridge and Hidden Valley area. Water begins to encroach homes along the right bank.
9	Flood stage. Minor flooding along the right and left banks upstream of the Highway 789 Bridge. Agricultural flooding downstream of Riverton near the Black Bridge and Hidden Valley area intensifies.
8	Bankfull stage. Minor flooding downstream along left bank near Black Bridge begins.
Photos (1) Looking Upstream---Very High Flow (near 12,000 cfs)---June 2017 (2) Looking Downstream---Very High Flow (near 12,000 cfs)---June 2017 (3) Looking Upstream---High Flow (near 11,000 cfs)---July 2011 (4) Looking Downstream---High Flow (near 11,000 cfs)---July 2011 (5) Looking Upstream---Moderate Flow (6) Looking Downstream---Moderate Flow (7) Looking Upstream---Low Flow (8) Looking Downstream---Low Flow (9) Looking Upstream---Ice (frequently distorts river stage readings) (10) Looking Downstream---Ice (frequently distorts river stage readings)

About This Location

Latitude: 43.010510° N, Longitude: 108.376700° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 9 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 4901.56 ft 4910.56 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 Riverton

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Precipitation Graphics Water Supply Graphics Flood Potential Graphics Drought Graphics 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 Riverton Weather Forecast Office 12744 West U.S. Highway 26 Riverton, WY 82501 (307) 857-3898 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:28 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities