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Over 200 USGS real-time streamgages used to support NWS river forecasts and warnings are at risk of being discontinued. Click here for more information from the USGS...
Weather Forecast Office Medford, OR Northwest River Forecast Center
Hydrograph River at a Glance Download
South Umpqua River near Riddle Stage (ft)Flow (cfs)Observed: 3.68 ft at 3:00AM May 16, 2013Observed: 3.68 ft at 3:30AM May 16, 2013Observed: 3.69 ft at 4:00AM May 16, 2013Observed: 3.69 ft at 4:30AM May 16, 2013Observed: 3.69 ft at 5:00AM May 16, 2013Highest Observation: 3.75 ft at 5:30AM May 16, 2013Observed: 3.69 ft at 6:00AM May 16, 2013Observed: 3.69 ft at 6:30AM May 16, 2013Observed: 3.69 ft at 7:00AM May 16, 2013Observed: 3.68 ft at 7:30AM May 16, 2013Observed: 3.69 ft at 8:00AM May 16, 2013Observed: 3.69 ft at 8:30AM May 16, 2013Observed: 3.69 ft at 9:00AM May 16, 2013Observed: 3.68 ft at 9:30AM May 16, 2013Observed: 3.68 ft at 10:00AM May 16, 2013Observed: 3.68 ft at 10:30AM May 16, 2013Observed: 3.68 ft at 11:00AM May 16, 2013Observed: 3.68 ft at 11:30AM May 16, 2013Observed: 3.69 ft at 12:00PM May 16, 2013Observed: 3.69 ft at 12:30PM May 16, 2013Observed: 3.69 ft at 1:00PM May 16, 2013Observed: 3.69 ft at 1:30PM May 16, 2013Observed: 3.69 ft at 2:00PM May 16, 2013Observed: 3.69 ft at 2:30PM May 16, 2013Observed: 3.69 ft at 3:00PM May 16, 2013Observed: 3.68 ft at 3:30PM May 16, 2013Observed: 3.69 ft at 4:00PM May 16, 2013Observed: 3.68 ft at 4:30PM May 16, 2013Observed: 3.7 ft at 5:00PM May 16, 2013Observed: 3.7 ft at 5:30PM May 16, 2013Observed: 3.69 ft at 6:00PM May 16, 2013Observed: 3.69 ft at 6:30PM May 16, 2013Observed: 3.69 ft at 7:00PM May 16, 2013Observed: 3.69 ft at 7:30PM May 16, 2013Observed: 3.69 ft at 8:00PM May 16, 2013Observed: 3.69 ft at 8:30PM May 16, 2013Observed: 3.69 ft at 9:00PM May 16, 2013Observed: 3.69 ft at 9:30PM May 16, 2013Observed: 3.69 ft at 10:00PM May 16, 2013Observed: 3.69 ft at 10:30PM May 16, 2013Observed: 3.7 ft at 11:00PM May 16, 2013Observed: 3.7 ft at 11:30PM May 16, 2013Observed: 3.7 ft at 12:00AM May 17, 2013Observed: 3.7 ft at 12:30AM May 17, 2013Observed: 3.69 ft at 1:00AM May 17, 2013Observed: 3.69 ft at 1:30AM May 17, 2013Observed: 3.7 ft at 2:00AM May 17, 2013Observed: 3.7 ft at 2:30AM May 17, 2013Observed: 3.7 ft at 3:00AM May 17, 2013Observed: 3.71 ft at 3:30AM May 17, 2013Observed: 3.7 ft at 4:00AM May 17, 2013Observed: 3.7 ft at 4:30AM May 17, 2013Observed: 3.71 ft at 5:00AM May 17, 2013Observed: 3.7 ft at 5:30AM May 17, 2013Observed: 3.7 ft at 6:00AM May 17, 2013Observed: 3.71 ft at 6:30AM May 17, 2013Observed: 3.71 ft at 7:00AM May 17, 2013Observed: 3.71 ft at 7:30AM May 17, 2013Observed: 3.71 ft at 8:00AM May 17, 2013Observed: 3.71 ft at 8:30AM May 17, 2013Observed: 3.71 ft at 9:00AM May 17, 2013Observed: 3.72 ft at 9:30AM May 17, 2013Observed: 3.72 ft at 10:00AM May 17, 2013Observed: 3.72 ft at 10:30AM May 17, 2013Observed: 3.72 ft at 11:00AM May 17, 2013Observed: 3.73 ft at 11:30AM May 17, 2013Observed: 3.73 ft at 12:00PM May 17, 2013Observed: 3.73 ft at 12:30PM May 17, 2013Observed: 3.73 ft at 1:00PM May 17, 2013Observed: 3.73 ft at 1:30PM May 17, 2013Observed: 3.74 ft at 2:00PM May 17, 2013Observed: 3.74 ft at 2:30PM May 17, 2013Highest Observation: 3.75 ft at 3:00PM May 17, 2013Observed: 3.74 ft at 3:30PM May 17, 2013Observed: 3.74 ft at 4:00PM May 17, 2013Highest Observation: 3.75 ft at 4:30PM May 17, 2013Observed: 3.74 ft at 5:00PM May 17, 2013Highest Observation: 3.75 ft at 5:30PM May 17, 2013Highest Observation: 3.75 ft at 6:00PM May 17, 2013Highest Observation: 3.75 ft at 6:30PM May 17, 2013Observed: 3.74 ft at 7:00PM May 17, 2013Observed: 3.74 ft at 7:30PM May 17, 2013Observed: 3.74 ft at 8:00PM May 17, 2013Observed: 3.74 ft at 8:30PM May 17, 2013Observed: 3.74 ft at 9:00PM May 17, 2013Observed: 3.74 ft at 9:30PM May 17, 2013Observed: 3.73 ft at 10:00PM May 17, 2013Observed: 3.73 ft at 10:30PM May 17, 2013Observed: 3.73 ft at 11:00PM May 17, 2013Observed: 3.73 ft at 12:30AM May 18, 2013Observed: 3.73 ft at 1:00AM May 18, 2013Observed: 3.72 ft at 1:30AM May 18, 2013Observed: 3.73 ft at 2:00AM May 18, 2013Observed: 3.73 ft at 2:30AM May 18, 2013Observed: 3.73 ft at 3:00AM May 18, 2013Observed: 3.73 ft at 3:30AM May 18, 2013Observed: 3.73 ft at 4:00AM May 18, 2013Observed: 3.73 ft at 4:30AM May 18, 2013Observed: 3.73 ft at 5:00AM May 18, 2013Observed: 3.72 ft at 5:30AM May 18, 2013Observed: 3.73 ft at 6:00AM May 18, 2013Observed: 3.72 ft at 6:30AM May 18, 2013Observed: 3.72 ft at 7:00AM May 18, 2013Observed: 3.72 ft at 7:30AM May 18, 2013Observed: 3.72 ft at 8:00AM May 18, 2013Observed: 3.71 ft at 8:30AM May 18, 2013Observed: 3.72 ft at 9:00AM May 18, 2013Observed: 3.72 ft at 9:30AM May 18, 2013Observed: 3.72 ft at 10:00AM May 18, 2013Observed: 3.71 ft at 10:30AM May 18, 2013Observed: 3.71 ft at 11:00AM May 18, 2013Observed: 3.71 ft at 11:30AM May 18, 2013Observed: 3.7 ft at 12:00PM May 18, 2013Observed: 3.7 ft at 12:30PM May 18, 2013Observed: 3.7 ft at 1:00PM May 18, 2013Observed: 3.7 ft at 1:30PM May 18, 2013Observed: 3.7 ft at 2:00PM May 18, 2013Observed: 3.7 ft at 2:30PM May 18, 2013Observed: 3.71 ft at 3:00PM May 18, 2013Observed: 3.7 ft at 3:30PM May 18, 2013Observed: 3.7 ft at 4:00PM May 18, 2013Observed: 3.7 ft at 4:30PM May 18, 2013Observed: 3.7 ft at 5:00PM May 18, 2013Observed: 3.7 ft at 5:30PM May 18, 2013Observed: 3.7 ft at 6:00PM May 18, 2013Observed: 3.71 ft at 6:30PM May 18, 2013Observed: 3.7 ft at 7:00PM May 18, 2013Observed: 3.69 ft at 7:30PM May 18, 2013Observed: 3.69 ft at 8:00PM May 18, 2013Observed: 3.69 ft at 8:30PM May 18, 2013Observed: 3.68 ft at 9:00PM May 18, 2013Observed: 3.68 ft at 9:30PM May 18, 2013Observed: 3.68 ft at 10:00PM May 18, 2013Observed: 3.69 ft at 10:30PM May 18, 2013Observed: 3.68 ft at 11:00PM May 18, 2013Observed: 3.68 ft at 11:30PM May 18, 2013Observed: 3.67 ft at 12:00AM May 19, 2013Observed: 3.67 ft at 12:30AM May 19, 2013Observed: 3.67 ft at 1:00AM May 19, 2013Observed: 3.67 ft at 1:30AM May 19, 2013Observed: 3.67 ft at 2:00AM May 19, 2013Forecast: 3.77 ft 5:00AM May 19, 2013Forecast: 3.75 ft 11:00AM May 19, 2013Forecast: 3.71 ft 5:00PM May 19, 2013Forecast: 3.67 ft 11:00PM May 19, 2013Forecast: 3.64 ft 5:00AM May 20, 2013Forecast: 3.62 ft 11:00AM May 20, 2013Forecast: 3.61 ft 5:00PM May 20, 2013Forecast: 3.6 ft 11:00PM May 20, 2013Forecast: 3.59 ft 5:00AM May 21, 2013Forecast: 3.58 ft 11:00AM May 21, 2013Forecast: 3.58 ft 5:00PM May 21, 2013Forecast: 3.58 ft 11:00PM May 21, 2013Forecast: 3.59 ft 5:00AM May 22, 2013Forecast: 3.64 ft 11:00AM May 22, 2013Forecast: 3.69 ft 5:00PM May 22, 2013Highest Forecast: 3.78 ft 11:00PM May 22, 2013Douglas County Natural ResourcesSURO3(plotting HGIRZ) Graph Created (2:40AM May 19, 2013)ObservedForecast (issued 12:24PM May 18)Latest observed value: 3.67 ft at 2:00 AM PDT 19-May-2013. Flood Stage is 19 ft
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About this graph
Tabular Data
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the South Umpqua River near Riddle are issued routinely year-round.
Return to Area Map
Upstream Gauge - near Tiller Upstream Gauge Downstream Gauge Downstream Gauge - near Winston
Flood Categories (in feet)
Major Flood Stage:24
Moderate Flood Stage:21
Flood Stage:19
Action Stage:18

Historical Crests
(1) 20.32 ft on 12/30/2005
(2) 20.09 ft on 12/09/1996
(3) 19.81 ft on 01/01/1997
Show More Historical Crests

Low Water Records
Currently none available.
Legend
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 Collapse
20.32 Record stage since installation of gage. Widespread flooding of low-lying agricultural land is occurring. Some structures along and near the river are flooded.
20 Widespread flooding of low-lying agricultural land and some structures is occurring along the South Umpqua River in the vicinity of Riddle.
19 The South Umpqua River near Riddle is at flood stage. Widespread flooding of low-lying agricultural land and structures along the river is occurring.
18 The South Umpqua River near Riddle is at bankfull stage. Some flooding of low land is taking place.
About This Location Collapse

Latitude: 42.951944° N, Longitude: 123.334722° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 19 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 29 622 ft 641 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Other Data Sources:
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Hydrologic Resources Additional Resources
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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
Medford Weather Forecast Office
4003 Cirrus Drive
Medford, OR 97504-4198
(541) 776-4303
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