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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit https://www.weather.gov/owp/operations for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.



Hydrograph River at a Glance Download
S. Santiam River at Waterloo Stage (ft)Flow (cfs)Observed: 3.14 ft at 4:45AM Sep 20, 2023Observed: 3.14 ft at 5:00AM Sep 20, 2023Observed: 3.14 ft at 5:15AM Sep 20, 2023Observed: 3.14 ft at 5:30AM Sep 20, 2023Observed: 3.14 ft at 5:45AM Sep 20, 2023Observed: 3.14 ft at 6:00AM Sep 20, 2023Observed: 3.14 ft at 6:15AM Sep 20, 2023Observed: 3.14 ft at 6:30AM Sep 20, 2023Observed: 3.14 ft at 6:45AM Sep 20, 2023Observed: 3.14 ft at 7:00AM Sep 20, 2023Observed: 3.14 ft at 7:15AM Sep 20, 2023Observed: 3.14 ft at 7:30AM Sep 20, 2023Observed: 3.13 ft at 7:45AM Sep 20, 2023Observed: 3.13 ft at 8:00AM Sep 20, 2023Observed: 3.13 ft at 8:15AM Sep 20, 2023Observed: 3.13 ft at 8:30AM Sep 20, 2023Observed: 3.13 ft at 8:45AM Sep 20, 2023Observed: 3.13 ft at 9:00AM Sep 20, 2023Observed: 3.13 ft at 9:15AM Sep 20, 2023Observed: 3.13 ft at 9:30AM Sep 20, 2023Observed: 3.13 ft at 9:45AM Sep 20, 2023Observed: 3.13 ft at 10:00AM Sep 20, 2023Observed: 3.13 ft at 10:15AM Sep 20, 2023Observed: 3.13 ft at 10:30AM Sep 20, 2023Observed: 3.13 ft at 10:45AM Sep 20, 2023Observed: 3.13 ft at 11:00AM Sep 20, 2023Observed: 3.13 ft at 11:15AM Sep 20, 2023Observed: 3.13 ft at 11:30AM Sep 20, 2023Observed: 3.13 ft at 11:45AM Sep 20, 2023Observed: 3.13 ft at 12:00PM Sep 20, 2023Observed: 3.13 ft at 12:15PM Sep 20, 2023Observed: 3.13 ft at 12:30PM Sep 20, 2023Observed: 3.13 ft at 12:45PM Sep 20, 2023Observed: 3.13 ft at 1:00PM Sep 20, 2023Observed: 3.13 ft at 1:30PM Sep 20, 2023Observed: 3.13 ft at 1:45PM Sep 20, 2023Observed: 3.14 ft at 2:00PM Sep 20, 2023Observed: 3.14 ft at 2:15PM Sep 20, 2023Observed: 3.14 ft at 2:30PM Sep 20, 2023Observed: 3.14 ft at 2:45PM Sep 20, 2023Observed: 3.14 ft at 3:00PM Sep 20, 2023Observed: 3.14 ft at 3:15PM Sep 20, 2023Observed: 3.14 ft at 3:30PM Sep 20, 2023Observed: 3.14 ft at 3:45PM Sep 20, 2023Observed: 3.13 ft at 4:00PM Sep 20, 2023Observed: 3.13 ft at 4:15PM Sep 20, 2023Observed: 3.13 ft at 4:30PM Sep 20, 2023Observed: 3.13 ft at 4:45PM Sep 20, 2023Observed: 3.13 ft at 5:00PM Sep 20, 2023Observed: 3.13 ft at 5:15PM Sep 20, 2023Observed: 3.13 ft at 5:30PM Sep 20, 2023Observed: 3.13 ft at 5:45PM Sep 20, 2023Observed: 3.13 ft at 6:00PM Sep 20, 2023Observed: 3.13 ft at 6:15PM Sep 20, 2023Observed: 3.13 ft at 6:30PM Sep 20, 2023Observed: 3.13 ft at 6:45PM Sep 20, 2023Observed: 3.13 ft at 7:00PM Sep 20, 2023Observed: 3.13 ft at 7:15PM Sep 20, 2023Observed: 3.13 ft at 7:30PM Sep 20, 2023Observed: 3.13 ft at 7:45PM Sep 20, 2023Observed: 3.13 ft at 8:00PM Sep 20, 2023Observed: 3.13 ft at 8:15PM Sep 20, 2023Observed: 3.13 ft at 8:30PM Sep 20, 2023Observed: 3.13 ft at 8:45PM Sep 20, 2023Observed: 3.13 ft at 9:00PM Sep 20, 2023Observed: 3.13 ft at 9:15PM Sep 20, 2023Observed: 3.13 ft at 9:30PM Sep 20, 2023Observed: 3.13 ft at 9:45PM Sep 20, 2023Observed: 3.13 ft at 10:00PM Sep 20, 2023Observed: 3.13 ft at 10:30PM Sep 20, 2023Observed: 3.13 ft at 10:45PM Sep 20, 2023Observed: 3.13 ft at 11:00PM Sep 20, 2023Observed: 3.13 ft at 11:15PM Sep 20, 2023Observed: 3.13 ft at 11:30PM Sep 20, 2023Observed: 3.13 ft at 11:45PM Sep 20, 2023Observed: 3.13 ft at 12:00AM Sep 21, 2023Observed: 3.13 ft at 12:15AM Sep 21, 2023Observed: 3.13 ft at 12:30AM Sep 21, 2023Observed: 3.13 ft at 12:45AM Sep 21, 2023Observed: 3.13 ft at 1:00AM Sep 21, 2023Observed: 3.13 ft at 1:15AM Sep 21, 2023Observed: 3.13 ft at 1:30AM Sep 21, 2023Observed: 3.13 ft at 1:45AM Sep 21, 2023Observed: 3.13 ft at 2:00AM Sep 21, 2023Observed: 3.13 ft at 2:15AM Sep 21, 2023Observed: 3.13 ft at 2:30AM Sep 21, 2023Observed: 3.13 ft at 2:45AM Sep 21, 2023Observed: 3.13 ft at 3:00AM Sep 21, 2023Observed: 3.13 ft at 3:15AM Sep 21, 2023Observed: 3.13 ft at 3:30AM Sep 21, 2023Observed: 3.13 ft at 3:45AM Sep 21, 2023Observed: 3.13 ft at 4:00AM Sep 21, 2023Observed: 3.13 ft at 4:15AM Sep 21, 2023Observed: 3.13 ft at 4:30AM Sep 21, 2023Observed: 3.13 ft at 4:45AM Sep 21, 2023Observed: 3.13 ft at 5:00AM Sep 21, 2023Observed: 3.13 ft at 5:15AM Sep 21, 2023Observed: 3.13 ft at 5:30AM Sep 21, 2023Observed: 3.13 ft at 5:45AM Sep 21, 2023Observed: 3.13 ft at 6:00AM Sep 21, 2023Observed: 3.13 ft at 6:15AM Sep 21, 2023Observed: 3.13 ft at 6:30AM Sep 21, 2023Observed: 3.13 ft at 6:45AM Sep 21, 2023Observed: 3.13 ft at 7:00AM Sep 21, 2023Observed: 3.13 ft at 7:15AM Sep 21, 2023Observed: 3.13 ft at 7:30AM Sep 21, 2023Observed: 3.13 ft at 7:45AM Sep 21, 2023Observed: 3.13 ft at 8:00AM Sep 21, 2023Observed: 3.13 ft at 8:15AM Sep 21, 2023Observed: 3.13 ft at 8:30AM Sep 21, 2023Observed: 3.13 ft at 8:45AM Sep 21, 2023Observed: 3.13 ft at 9:00AM Sep 21, 2023Observed: 3.13 ft at 9:15AM Sep 21, 2023Observed: 3.14 ft at 9:30AM Sep 21, 2023Observed: 3.14 ft at 9:45AM Sep 21, 2023Observed: 3.14 ft at 10:00AM Sep 21, 2023Observed: 3.14 ft at 10:15AM Sep 21, 2023Observed: 3.14 ft at 10:30AM Sep 21, 2023Observed: 3.14 ft at 10:45AM Sep 21, 2023Observed: 3.14 ft at 11:00AM Sep 21, 2023Observed: 3.13 ft at 11:15AM Sep 21, 2023Observed: 3.13 ft at 11:30AM Sep 21, 2023Observed: 3.13 ft at 11:45AM Sep 21, 2023Observed: 3.13 ft at 12:00PM Sep 21, 2023Observed: 3.13 ft at 12:15PM Sep 21, 2023Observed: 3.13 ft at 12:30PM Sep 21, 2023Observed: 3.13 ft at 12:45PM Sep 21, 2023Observed: 3.13 ft at 1:00PM Sep 21, 2023Observed: 3.13 ft at 1:15PM Sep 21, 2023Observed: 3.13 ft at 1:30PM Sep 21, 2023Observed: 3.13 ft at 1:45PM Sep 21, 2023Observed: 3.13 ft at 2:00PM Sep 21, 2023Observed: 3.13 ft at 2:15PM Sep 21, 2023Observed: 3.13 ft at 2:30PM Sep 21, 2023Observed: 3.13 ft at 2:45PM Sep 21, 2023Observed: 3.13 ft at 3:00PM Sep 21, 2023Observed: 3.13 ft at 3:15PM Sep 21, 2023Observed: 3.13 ft at 3:30PM Sep 21, 2023Observed: 3.13 ft at 3:45PM Sep 21, 2023Observed: 3.13 ft at 4:00PM Sep 21, 2023Observed: 3.13 ft at 4:15PM Sep 21, 2023Observed: 3.13 ft at 4:30PM Sep 21, 2023Observed: 3.13 ft at 5:00PM Sep 21, 2023Observed: 3.13 ft at 5:15PM Sep 21, 2023Observed: 3.14 ft at 5:30PM Sep 21, 2023Observed: 3.14 ft at 5:45PM Sep 21, 2023Observed: 3.14 ft at 6:00PM Sep 21, 2023Observed: 3.13 ft at 6:15PM Sep 21, 2023Observed: 3.13 ft at 6:30PM Sep 21, 2023Observed: 3.13 ft at 6:45PM Sep 21, 2023Observed: 3.13 ft at 7:00PM Sep 21, 2023Observed: 3.13 ft at 7:15PM Sep 21, 2023Observed: 3.13 ft at 7:30PM Sep 21, 2023Observed: 3.13 ft at 7:45PM Sep 21, 2023Observed: 3.14 ft at 8:00PM Sep 21, 2023Observed: 3.14 ft at 8:15PM Sep 21, 2023Observed: 3.14 ft at 8:30PM Sep 21, 2023Observed: 3.14 ft at 8:45PM Sep 21, 2023Observed: 3.14 ft at 9:00PM Sep 21, 2023Observed: 3.14 ft at 9:15PM Sep 21, 2023Observed: 3.14 ft at 9:30PM Sep 21, 2023Observed: 3.14 ft at 9:45PM Sep 21, 2023Observed: 3.14 ft at 10:00PM Sep 21, 2023Observed: 3.14 ft at 10:15PM Sep 21, 2023Observed: 3.14 ft at 10:30PM Sep 21, 2023Observed: 3.14 ft at 10:45PM Sep 21, 2023Observed: 3.13 ft at 11:00PM Sep 21, 2023Observed: 3.13 ft at 11:15PM Sep 21, 2023Observed: 3.13 ft at 11:30PM Sep 21, 2023Observed: 3.13 ft at 11:45PM Sep 21, 2023Observed: 3.13 ft at 12:00AM Sep 22, 2023Observed: 3.14 ft at 12:15AM Sep 22, 2023Observed: 3.14 ft at 12:30AM Sep 22, 2023Observed: 3.14 ft at 12:45AM Sep 22, 2023Observed: 3.14 ft at 1:00AM Sep 22, 2023Observed: 3.14 ft at 1:15AM Sep 22, 2023Observed: 3.14 ft at 1:30AM Sep 22, 2023Observed: 3.14 ft at 1:45AM Sep 22, 2023Observed: 3.14 ft at 2:00AM Sep 22, 2023Observed: 3.14 ft at 2:15AM Sep 22, 2023Observed: 3.14 ft at 2:30AM Sep 22, 2023Observed: 3.14 ft at 2:45AM Sep 22, 2023Observed: 3.13 ft at 3:00AM Sep 22, 2023Observed: 3.13 ft at 3:15AM Sep 22, 2023Observed: 3.13 ft at 3:30AM Sep 22, 2023Observed: 3.13 ft at 3:45AM Sep 22, 2023Observed: 3.13 ft at 4:00AM Sep 22, 2023Observed: 3.13 ft at 4:15AM Sep 22, 2023Observed: 3.13 ft at 4:30AM Sep 22, 2023Observed: 3.13 ft at 4:45AM Sep 22, 2023Observed: 3.13 ft at 5:00AM Sep 22, 2023Observed: 3.13 ft at 5:15AM Sep 22, 2023Observed: 3.13 ft at 5:30AM Sep 22, 2023Observed: 3.13 ft at 5:45AM Sep 22, 2023Observed: 3.13 ft at 6:00AM Sep 22, 2023Observed: 3.13 ft at 6:15AM Sep 22, 2023Observed: 3.13 ft at 6:30AM Sep 22, 2023Observed: 3.13 ft at 6:45AM Sep 22, 2023Observed: 3.13 ft at 7:00AM Sep 22, 2023Observed: 3.13 ft at 7:15AM Sep 22, 2023Observed: 3.13 ft at 7:30AM Sep 22, 2023Observed: 3.13 ft at 7:45AM Sep 22, 2023Observed: 3.13 ft at 8:00AM Sep 22, 2023Observed: 3.13 ft at 8:15AM Sep 22, 2023Observed: 3.13 ft at 8:30AM Sep 22, 2023Observed: 3.13 ft at 8:45AM Sep 22, 2023Observed: 3.13 ft at 9:00AM Sep 22, 2023Observed: 3.14 ft at 9:15AM Sep 22, 2023Observed: 3.14 ft at 9:30AM Sep 22, 2023Observed: 3.14 ft at 9:45AM Sep 22, 2023Observed: 3.14 ft at 10:00AM Sep 22, 2023Observed: 3.14 ft at 10:15AM Sep 22, 2023Observed: 3.14 ft at 10:30AM Sep 22, 2023Observed: 3.14 ft at 10:45AM Sep 22, 2023Observed: 3.14 ft at 11:00AM Sep 22, 2023Observed: 3.14 ft at 11:15AM Sep 22, 2023Observed: 3.15 ft at 11:30AM Sep 22, 2023Observed: 3.18 ft at 11:45AM Sep 22, 2023Observed: 3.2 ft at 12:00PM Sep 22, 2023Observed: 3.24 ft at 12:15PM Sep 22, 2023Observed: 3.29 ft at 12:30PM Sep 22, 2023Observed: 3.33 ft at 12:45PM Sep 22, 2023Observed: 3.37 ft at 1:00PM Sep 22, 2023Observed: 3.4 ft at 1:15PM Sep 22, 2023Observed: 3.41 ft at 1:30PM Sep 22, 2023Observed: 3.43 ft at 1:45PM Sep 22, 2023Observed: 3.43 ft at 2:00PM Sep 22, 2023Observed: 3.44 ft at 2:15PM Sep 22, 2023Observed: 3.44 ft at 2:30PM Sep 22, 2023Observed: 3.45 ft at 2:45PM Sep 22, 2023Observed: 3.45 ft at 3:00PM Sep 22, 2023Observed: 3.46 ft at 3:15PM Sep 22, 2023Observed: 3.46 ft at 3:30PM Sep 22, 2023Observed: 3.47 ft at 4:00PM Sep 22, 2023Observed: 3.47 ft at 4:15PM Sep 22, 2023Observed: 3.47 ft at 4:30PM Sep 22, 2023Observed: 3.47 ft at 4:45PM Sep 22, 2023Observed: 3.47 ft at 5:00PM Sep 22, 2023Observed: 3.47 ft at 5:15PM Sep 22, 2023Observed: 3.47 ft at 5:30PM Sep 22, 2023Observed: 3.47 ft at 5:45PM Sep 22, 2023Observed: 3.47 ft at 6:00PM Sep 22, 2023Observed: 3.48 ft at 6:15PM Sep 22, 2023Observed: 3.48 ft at 6:30PM Sep 22, 2023Observed: 3.48 ft at 6:45PM Sep 22, 2023Observed: 3.48 ft at 7:00PM Sep 22, 2023Observed: 3.48 ft at 7:15PM Sep 22, 2023Observed: 3.48 ft at 7:30PM Sep 22, 2023Observed: 3.48 ft at 7:45PM Sep 22, 2023Observed: 3.48 ft at 8:00PM Sep 22, 2023Observed: 3.48 ft at 8:15PM Sep 22, 2023Observed: 3.48 ft at 8:30PM Sep 22, 2023Observed: 3.48 ft at 8:45PM Sep 22, 2023Observed: 3.48 ft at 9:00PM Sep 22, 2023Observed: 3.48 ft at 9:15PM Sep 22, 2023Observed: 3.48 ft at 9:30PM Sep 22, 2023Observed: 3.48 ft at 9:45PM Sep 22, 2023Observed: 3.48 ft at 10:15PM Sep 22, 2023Observed: 3.48 ft at 10:30PM Sep 22, 2023Observed: 3.48 ft at 10:45PM Sep 22, 2023Observed: 3.48 ft at 11:00PM Sep 22, 2023Observed: 3.48 ft at 11:15PM Sep 22, 2023Observed: 3.48 ft at 11:30PM Sep 22, 2023Observed: 3.48 ft at 11:45PM Sep 22, 2023Observed: 3.48 ft at 12:00AM Sep 23, 2023Observed: 3.48 ft at 12:15AM Sep 23, 2023Observed: 3.48 ft at 12:30AM Sep 23, 2023Observed: 3.48 ft at 12:45AM Sep 23, 2023Observed: 3.48 ft at 1:00AM Sep 23, 2023Observed: 3.48 ft at 1:15AM Sep 23, 2023Observed: 3.48 ft at 1:30AM Sep 23, 2023Observed: 3.48 ft at 1:45AM Sep 23, 2023Observed: 3.48 ft at 2:00AM Sep 23, 2023Observed: 3.48 ft at 2:15AM Sep 23, 2023Observed: 3.48 ft at 2:30AM Sep 23, 2023Observed: 3.48 ft at 2:45AM Sep 23, 2023Observed: 3.48 ft at 3:00AM Sep 23, 2023Observed: 3.48 ft at 3:15AM Sep 23, 2023Observed: 3.48 ft at 3:30AM Sep 23, 2023Observed: 3.48 ft at 3:45AM Sep 23, 2023Observed: 3.48 ft at 4:00AM Sep 23, 2023Observed: 3.48 ft at 4:15AM Sep 23, 2023Observed: 3.48 ft at 4:30AM Sep 23, 2023Observed: 3.48 ft at 4:45AM Sep 23, 2023Observed: 3.48 ft at 5:00AM Sep 23, 2023Observed: 3.48 ft at 5:15AM Sep 23, 2023Observed: 3.48 ft at 5:30AM Sep 23, 2023Observed: 3.48 ft at 5:45AM Sep 23, 2023Observed: 3.48 ft at 6:00AM Sep 23, 2023Observed: 3.48 ft at 6:15AM Sep 23, 2023Observed: 3.48 ft at 6:30AM Sep 23, 2023Observed: 3.48 ft at 6:45AM Sep 23, 2023Observed: 3.48 ft at 7:00AM Sep 23, 2023Observed: 3.48 ft at 7:15AM Sep 23, 2023Observed: 3.48 ft at 7:30AM Sep 23, 2023Observed: 3.48 ft at 7:45AM Sep 23, 2023Observed: 3.49 ft at 8:00AM Sep 23, 2023Observed: 3.49 ft at 8:15AM Sep 23, 2023Observed: 3.49 ft at 8:30AM Sep 23, 2023Observed: 3.5 ft at 8:45AM Sep 23, 2023Observed: 3.5 ft at 9:00AM Sep 23, 2023Observed: 3.5 ft at 9:15AM Sep 23, 2023Observed: 3.5 ft at 9:30AM Sep 23, 2023Observed: 3.5 ft at 9:45AM Sep 23, 2023Observed: 3.5 ft at 10:00AM Sep 23, 2023Observed: 3.5 ft at 10:15AM Sep 23, 2023Observed: 3.5 ft at 10:30AM Sep 23, 2023Observed: 3.5 ft at 10:45AM Sep 23, 2023Observed: 3.5 ft at 11:00AM Sep 23, 2023Observed: 3.5 ft at 11:15AM Sep 23, 2023Observed: 3.5 ft at 11:30AM Sep 23, 2023Observed: 3.5 ft at 11:45AM Sep 23, 2023Observed: 3.5 ft at 12:00PM Sep 23, 2023Observed: 3.5 ft at 12:15PM Sep 23, 2023Observed: 3.5 ft at 12:30PM Sep 23, 2023Observed: 3.5 ft at 12:45PM Sep 23, 2023Observed: 3.5 ft at 1:00PM Sep 23, 2023Observed: 3.5 ft at 1:15PM Sep 23, 2023Observed: 3.5 ft at 1:30PM Sep 23, 2023Observed: 3.5 ft at 1:45PM Sep 23, 2023Observed: 3.5 ft at 2:00PM Sep 23, 2023Observed: 3.5 ft at 2:15PM Sep 23, 2023Observed: 3.5 ft at 2:30PM Sep 23, 2023Observed: 3.5 ft at 2:45PM Sep 23, 2023Observed: 3.5 ft at 3:00PM Sep 23, 2023Observed: 3.5 ft at 3:15PM Sep 23, 2023Observed: 3.5 ft at 3:30PM Sep 23, 2023Observed: 3.5 ft at 3:45PM Sep 23, 2023Observed: 3.5 ft at 4:00PM Sep 23, 2023Observed: 3.5 ft at 4:15PM Sep 23, 2023Observed: 3.5 ft at 4:30PM Sep 23, 2023Observed: 3.5 ft at 4:45PM Sep 23, 2023Observed: 3.5 ft at 5:00PM Sep 23, 2023Observed: 3.5 ft at 5:15PM Sep 23, 2023Observed: 3.5 ft at 5:30PM Sep 23, 2023Observed: 3.5 ft at 5:45PM Sep 23, 2023Observed: 3.5 ft at 6:00PM Sep 23, 2023Observed: 3.5 ft at 6:15PM Sep 23, 2023Observed: 3.5 ft at 6:30PM Sep 23, 2023Observed: 3.5 ft at 6:45PM Sep 23, 2023Observed: 3.5 ft at 7:00PM Sep 23, 2023Observed: 3.5 ft at 7:15PM Sep 23, 2023Observed: 3.5 ft at 7:30PM Sep 23, 2023Observed: 3.5 ft at 7:45PM Sep 23, 2023Observed: 3.5 ft at 8:00PM Sep 23, 2023Observed: 3.5 ft at 8:15PM Sep 23, 2023Observed: 3.5 ft at 8:30PM Sep 23, 2023Observed: 3.5 ft at 8:45PM Sep 23, 2023Observed: 3.5 ft at 9:00PM Sep 23, 2023Observed: 3.5 ft at 9:15PM Sep 23, 2023Observed: 3.5 ft at 9:30PM Sep 23, 2023Observed: 3.5 ft at 9:45PM Sep 23, 2023Observed: 3.5 ft at 10:00PM Sep 23, 2023Observed: 3.5 ft at 10:15PM Sep 23, 2023Observed: 3.5 ft at 10:30PM Sep 23, 2023Observed: 3.5 ft at 11:00PM Sep 23, 2023Observed: 3.5 ft at 11:15PM Sep 23, 2023Observed: 3.5 ft at 11:30PM Sep 23, 2023Observed: 3.5 ft at 11:45PM Sep 23, 2023Observed: 3.5 ft at 12:00AM Sep 24, 2023Observed: 3.5 ft at 12:15AM Sep 24, 2023Observed: 3.5 ft at 12:30AM Sep 24, 2023Observed: 3.5 ft at 12:45AM Sep 24, 2023Observed: 3.5 ft at 1:00AM Sep 24, 2023Observed: 3.5 ft at 1:15AM Sep 24, 2023Observed: 3.5 ft at 1:30AM Sep 24, 2023Observed: 3.5 ft at 1:45AM Sep 24, 2023Observed: 3.5 ft at 2:00AM Sep 24, 2023Observed: 3.5 ft at 2:15AM Sep 24, 2023Observed: 3.5 ft at 2:30AM Sep 24, 2023Observed: 3.5 ft at 2:45AM Sep 24, 2023Observed: 3.5 ft at 3:00AM Sep 24, 2023Observed: 3.5 ft at 3:15AM Sep 24, 2023Observed: 3.5 ft at 3:30AM Sep 24, 2023Observed: 3.5 ft at 3:45AM Sep 24, 2023Observed: 3.5 ft at 4:00AM Sep 24, 2023Observed: 3.5 ft at 4:15AM Sep 24, 2023Observed: 3.5 ft at 4:30AM Sep 24, 2023Observed: 3.5 ft at 4:45AM Sep 24, 2023Observed: 3.5 ft at 5:00AM Sep 24, 2023Observed: 3.5 ft at 5:15AM Sep 24, 2023Observed: 3.5 ft at 5:30AM Sep 24, 2023Observed: 3.5 ft at 5:45AM Sep 24, 2023Observed: 3.5 ft at 6:00AM Sep 24, 2023Observed: 3.5 ft at 6:15AM Sep 24, 2023Observed: 3.5 ft at 6:30AM Sep 24, 2023Observed: 3.5 ft at 6:45AM Sep 24, 2023Observed: 3.5 ft at 7:00AM Sep 24, 2023Observed: 3.5 ft at 7:15AM Sep 24, 2023Observed: 3.5 ft at 7:30AM Sep 24, 2023Observed: 3.5 ft at 8:15AM Sep 24, 2023Observed: 3.5 ft at 8:30AM Sep 24, 2023Observed: 3.5 ft at 8:45AM Sep 24, 2023Observed: 3.5 ft at 9:00AM Sep 24, 2023Observed: 3.5 ft at 9:15AM Sep 24, 2023Observed: 3.5 ft at 9:30AM Sep 24, 2023Observed: 3.5 ft at 9:45AM Sep 24, 2023Observed: 3.5 ft at 10:00AM Sep 24, 2023Observed: 3.5 ft at 10:15AM Sep 24, 2023Observed: 3.5 ft at 10:30AM Sep 24, 2023Observed: 3.5 ft at 10:45AM Sep 24, 2023Observed: 3.5 ft at 11:00AM Sep 24, 2023Observed: 3.5 ft at 11:15AM Sep 24, 2023Observed: 3.5 ft at 11:30AM Sep 24, 2023Observed: 3.5 ft at 11:45AM Sep 24, 2023Observed: 3.5 ft at 12:00PM Sep 24, 2023Observed: 3.5 ft at 12:15PM Sep 24, 2023Observed: 3.5 ft at 12:30PM Sep 24, 2023Observed: 3.5 ft at 12:45PM Sep 24, 2023Observed: 3.5 ft at 1:00PM Sep 24, 2023Observed: 3.5 ft at 1:15PM Sep 24, 2023Observed: 3.5 ft at 1:30PM Sep 24, 2023Observed: 3.5 ft at 1:45PM Sep 24, 2023Observed: 3.5 ft at 2:00PM Sep 24, 2023Observed: 3.5 ft at 2:15PM Sep 24, 2023Observed: 3.5 ft at 2:30PM Sep 24, 2023Observed: 3.5 ft at 3:00PM Sep 24, 2023Observed: 3.5 ft at 3:15PM Sep 24, 2023Observed: 3.5 ft at 3:30PM Sep 24, 2023Observed: 3.5 ft at 3:45PM Sep 24, 2023Observed: 3.5 ft at 4:00PM Sep 24, 2023Observed: 3.5 ft at 4:15PM Sep 24, 2023Observed: 3.5 ft at 4:30PM Sep 24, 2023Observed: 3.5 ft at 4:45PM Sep 24, 2023Observed: 3.5 ft at 5:00PM Sep 24, 2023Observed: 3.5 ft at 5:15PM Sep 24, 2023Observed: 3.5 ft at 5:30PM Sep 24, 2023Observed: 3.5 ft at 5:45PM Sep 24, 2023Observed: 3.5 ft at 6:00PM Sep 24, 2023Observed: 3.5 ft at 6:15PM Sep 24, 2023Observed: 3.5 ft at 6:30PM Sep 24, 2023Observed: 3.5 ft at 6:45PM Sep 24, 2023Observed: 3.5 ft at 7:00PM Sep 24, 2023Observed: 3.5 ft at 7:15PM Sep 24, 2023Observed: 3.5 ft at 7:30PM Sep 24, 2023Observed: 3.5 ft at 7:45PM Sep 24, 2023Observed: 3.5 ft at 8:00PM Sep 24, 2023Observed: 3.5 ft at 8:15PM Sep 24, 2023Observed: 3.5 ft at 8:30PM Sep 24, 2023Observed: 3.5 ft at 8:45PM Sep 24, 2023Observed: 3.5 ft at 9:00PM Sep 24, 2023Observed: 3.5 ft at 9:15PM Sep 24, 2023Observed: 3.5 ft at 9:30PM Sep 24, 2023Observed: 3.5 ft at 9:45PM Sep 24, 2023Observed: 3.5 ft at 10:00PM Sep 24, 2023Observed: 3.5 ft at 10:15PM Sep 24, 2023Observed: 3.5 ft at 10:30PM Sep 24, 2023Observed: 3.5 ft at 10:45PM Sep 24, 2023Observed: 3.5 ft at 11:00PM Sep 24, 2023Observed: 3.49 ft at 11:15PM Sep 24, 2023Observed: 3.49 ft at 11:30PM Sep 24, 2023Observed: 3.49 ft at 11:45PM Sep 24, 2023Observed: 3.49 ft at 12:00AM Sep 25, 2023Observed: 3.49 ft at 12:15AM Sep 25, 2023Observed: 3.49 ft at 12:30AM Sep 25, 2023Observed: 3.49 ft at 12:45AM Sep 25, 2023Observed: 3.49 ft at 1:00AM Sep 25, 2023Observed: 3.49 ft at 1:15AM Sep 25, 2023Observed: 3.49 ft at 1:30AM Sep 25, 2023Observed: 3.49 ft at 1:45AM Sep 25, 2023Observed: 3.49 ft at 2:00AM Sep 25, 2023Observed: 3.49 ft at 2:15AM Sep 25, 2023Observed: 3.49 ft at 2:30AM Sep 25, 2023Observed: 3.49 ft at 2:45AM Sep 25, 2023Observed: 3.49 ft at 3:00AM Sep 25, 2023Observed: 3.49 ft at 3:15AM Sep 25, 2023Observed: 3.49 ft at 3:30AM Sep 25, 2023Observed: 3.49 ft at 3:45AM Sep 25, 2023Observed: 3.49 ft at 4:00AM Sep 25, 2023Observed: 3.49 ft at 4:15AM Sep 25, 2023Observed: 3.49 ft at 4:30AM Sep 25, 2023Observed: 3.49 ft at 4:45AM Sep 25, 2023Observed: 3.49 ft at 5:00AM Sep 25, 2023Observed: 3.49 ft at 5:15AM Sep 25, 2023Observed: 3.49 ft at 5:30AM Sep 25, 2023Observed: 3.49 ft at 5:45AM Sep 25, 2023Observed: 3.49 ft at 6:00AM Sep 25, 2023Observed: 3.49 ft at 6:15AM Sep 25, 2023Observed: 3.49 ft at 6:30AM Sep 25, 2023Observed: 3.5 ft at 6:45AM Sep 25, 2023Observed: 3.5 ft at 7:00AM Sep 25, 2023Observed: 3.5 ft at 7:15AM Sep 25, 2023Observed: 3.5 ft at 7:30AM Sep 25, 2023Observed: 3.5 ft at 7:45AM Sep 25, 2023Observed: 3.5 ft at 8:00AM Sep 25, 2023Observed: 3.5 ft at 8:15AM Sep 25, 2023Observed: 3.5 ft at 8:30AM Sep 25, 2023Observed: 3.5 ft at 8:45AM Sep 25, 2023Observed: 3.5 ft at 9:00AM Sep 25, 2023Observed: 3.5 ft at 9:15AM Sep 25, 2023Observed: 3.5 ft at 9:30AM Sep 25, 2023Observed: 3.5 ft at 9:45AM Sep 25, 2023Observed: 3.5 ft at 10:00AM Sep 25, 2023Observed: 3.5 ft at 10:15AM Sep 25, 2023Observed: 3.5 ft at 10:30AM Sep 25, 2023Observed: 3.5 ft at 10:45AM Sep 25, 2023Observed: 3.5 ft at 11:00AM Sep 25, 2023Observed: 3.5 ft at 11:15AM Sep 25, 2023Observed: 3.5 ft at 11:30AM Sep 25, 2023Observed: 3.5 ft at 11:45AM Sep 25, 2023Observed: 3.5 ft at 12:00PM Sep 25, 2023Observed: 3.5 ft at 12:15PM Sep 25, 2023Observed: 3.5 ft at 12:30PM Sep 25, 2023Observed: 3.5 ft at 12:45PM Sep 25, 2023Observed: 3.5 ft at 1:00PM Sep 25, 2023Observed: 3.5 ft at 1:15PM Sep 25, 2023Observed: 3.5 ft at 1:30PM Sep 25, 2023Observed: 3.5 ft at 1:45PM Sep 25, 2023Observed: 3.5 ft at 2:00PM Sep 25, 2023Observed: 3.5 ft at 2:15PM Sep 25, 2023Observed: 3.5 ft at 2:30PM Sep 25, 2023Observed: 3.5 ft at 2:45PM Sep 25, 2023Observed: 3.5 ft at 3:00PM Sep 25, 2023Observed: 3.5 ft at 3:15PM Sep 25, 2023Observed: 3.5 ft at 3:30PM Sep 25, 2023Observed: 3.5 ft at 3:45PM Sep 25, 2023Observed: 3.5 ft at 4:00PM Sep 25, 2023Observed: 3.5 ft at 4:15PM Sep 25, 2023Observed: 3.5 ft at 4:30PM Sep 25, 2023Observed: 3.5 ft at 4:45PM Sep 25, 2023Observed: 3.5 ft at 5:00PM Sep 25, 2023Observed: 3.5 ft at 5:15PM Sep 25, 2023Observed: 3.5 ft at 5:30PM Sep 25, 2023Observed: 3.5 ft at 5:45PM Sep 25, 2023Observed: 3.5 ft at 6:00PM Sep 25, 2023Observed: 3.5 ft at 6:15PM Sep 25, 2023Observed: 3.5 ft at 6:30PM Sep 25, 2023Observed: 3.5 ft at 6:45PM Sep 25, 2023Observed: 3.5 ft at 7:00PM Sep 25, 2023Observed: 3.5 ft at 7:15PM Sep 25, 2023Observed: 3.5 ft at 7:30PM Sep 25, 2023Observed: 3.5 ft at 7:45PM Sep 25, 2023Observed: 3.5 ft at 8:00PM Sep 25, 2023Observed: 3.5 ft at 8:15PM Sep 25, 2023Observed: 3.5 ft at 8:30PM Sep 25, 2023Observed: 3.5 ft at 9:00PM Sep 25, 2023Observed: 3.5 ft at 9:15PM Sep 25, 2023Observed: 3.5 ft at 9:30PM Sep 25, 2023Observed: 3.5 ft at 9:45PM Sep 25, 2023Observed: 3.5 ft at 10:00PM Sep 25, 2023Observed: 3.5 ft at 10:15PM Sep 25, 2023Observed: 3.5 ft at 10:30PM Sep 25, 2023Observed: 3.5 ft at 10:45PM Sep 25, 2023Observed: 3.5 ft at 11:00PM Sep 25, 2023Observed: 3.5 ft at 11:15PM Sep 25, 2023Observed: 3.5 ft at 11:30PM Sep 25, 2023Observed: 3.5 ft at 11:45PM Sep 25, 2023Observed: 3.5 ft at 12:00AM Sep 26, 2023Observed: 3.5 ft at 12:15AM Sep 26, 2023Observed: 3.5 ft at 12:30AM Sep 26, 2023Observed: 3.5 ft at 12:45AM Sep 26, 2023Observed: 3.5 ft at 1:00AM Sep 26, 2023Observed: 3.5 ft at 1:15AM Sep 26, 2023Observed: 3.5 ft at 1:30AM Sep 26, 2023Observed: 3.5 ft at 1:45AM Sep 26, 2023Observed: 3.51 ft at 2:00AM Sep 26, 2023Observed: 3.51 ft at 2:15AM Sep 26, 2023Observed: 3.51 ft at 2:30AM Sep 26, 2023Observed: 3.51 ft at 2:45AM Sep 26, 2023Observed: 3.51 ft at 3:00AM Sep 26, 2023Observed: 3.51 ft at 3:15AM Sep 26, 2023Observed: 3.51 ft at 3:30AM Sep 26, 2023Observed: 3.51 ft at 4:00AM Sep 26, 2023Observed: 3.51 ft at 4:15AM Sep 26, 2023Observed: 3.51 ft at 4:30AM Sep 26, 2023Observed: 3.51 ft at 4:45AM Sep 26, 2023Observed: 3.51 ft at 5:00AM Sep 26, 2023Observed: 3.51 ft at 5:15AM Sep 26, 2023Observed: 3.51 ft at 5:30AM Sep 26, 2023Observed: 3.51 ft at 5:45AM Sep 26, 2023Observed: 3.51 ft at 6:00AM Sep 26, 2023Observed: 3.51 ft at 6:15AM Sep 26, 2023Observed: 3.51 ft at 6:30AM Sep 26, 2023Observed: 3.51 ft at 6:45AM Sep 26, 2023Observed: 3.51 ft at 7:00AM Sep 26, 2023Observed: 3.51 ft at 7:15AM Sep 26, 2023Observed: 3.51 ft at 7:30AM Sep 26, 2023Observed: 3.51 ft at 7:45AM Sep 26, 2023Observed: 3.51 ft at 8:00AM Sep 26, 2023Observed: 3.51 ft at 8:15AM Sep 26, 2023Observed: 3.51 ft at 8:30AM Sep 26, 2023Highest Observation: 3.53 ft at 8:45AM Sep 26, 2023Highest Observation: 3.53 ft at 9:00AM Sep 26, 2023Highest Observation: 3.53 ft at 9:15AM Sep 26, 2023Highest Observation: 3.53 ft at 9:30AM Sep 26, 2023Highest Observation: 3.53 ft at 9:45AM Sep 26, 2023Highest Observation: 3.53 ft at 10:00AM Sep 26, 2023Highest Observation: 3.53 ft at 10:15AM Sep 26, 2023Highest Observation: 3.53 ft at 10:30AM Sep 26, 2023Highest Observation: 3.53 ft at 10:45AM Sep 26, 2023Highest Observation: 3.53 ft at 11:00AM Sep 26, 2023Highest Observation: 3.53 ft at 11:15AM Sep 26, 2023Highest Observation: 3.53 ft at 11:45AM Sep 26, 2023Highest Observation: 3.53 ft at 12:00PM Sep 26, 2023Highest Observation: 3.53 ft at 12:15PM Sep 26, 2023Highest Observation: 3.53 ft at 12:30PM Sep 26, 2023Highest Observation: 3.53 ft at 12:45PM Sep 26, 2023Highest Observation: 3.53 ft at 1:00PM Sep 26, 2023Highest Observation: 3.53 ft at 1:15PM Sep 26, 2023Highest Observation: 3.53 ft at 1:30PM Sep 26, 2023Highest Observation: 3.53 ft at 1:45PM Sep 26, 2023Highest Observation: 3.53 ft at 2:00PM Sep 26, 2023Highest Observation: 3.53 ft at 2:15PM Sep 26, 2023Highest Observation: 3.53 ft at 2:30PM Sep 26, 2023Highest Observation: 3.53 ft at 2:45PM Sep 26, 2023Highest Observation: 3.53 ft at 3:00PM Sep 26, 2023Highest Observation: 3.53 ft at 3:15PM Sep 26, 2023Highest Observation: 3.53 ft at 3:30PM Sep 26, 2023Highest Observation: 3.53 ft at 3:45PM Sep 26, 2023Highest Observation: 3.53 ft at 4:00PM Sep 26, 2023Highest Observation: 3.53 ft at 4:15PM Sep 26, 2023Highest Observation: 3.53 ft at 4:30PM Sep 26, 2023Highest Observation: 3.53 ft at 4:45PM Sep 26, 2023Highest Observation: 3.53 ft at 5:00PM Sep 26, 2023Highest Observation: 3.53 ft at 5:15PM Sep 26, 2023Highest Observation: 3.53 ft at 5:30PM Sep 26, 2023Highest Observation: 3.53 ft at 5:45PM Sep 26, 2023Highest Observation: 3.53 ft at 6:00PM Sep 26, 2023Highest Observation: 3.53 ft at 6:15PM Sep 26, 2023Highest Observation: 3.53 ft at 6:30PM Sep 26, 2023Highest Observation: 3.53 ft at 7:45PM Sep 26, 2023Highest Observation: 3.53 ft at 8:00PM Sep 26, 2023Highest Observation: 3.53 ft at 8:15PM Sep 26, 2023Highest Observation: 3.53 ft at 8:30PM Sep 26, 2023Highest Observation: 3.53 ft at 8:45PM Sep 26, 2023Highest Observation: 3.53 ft at 9:00PM Sep 26, 2023Highest Observation: 3.53 ft at 9:15PM Sep 26, 2023Highest Observation: 3.53 ft at 9:30PM Sep 26, 2023Highest Observation: 3.53 ft at 9:45PM Sep 26, 2023Highest Observation: 3.53 ft at 10:00PM Sep 26, 2023Highest Observation: 3.53 ft at 10:15PM Sep 26, 2023Highest Observation: 3.53 ft at 10:30PM Sep 26, 2023Highest Observation: 3.53 ft at 10:45PM Sep 26, 2023Highest Observation: 3.53 ft at 11:00PM Sep 26, 2023Highest Observation: 3.53 ft at 11:15PM Sep 26, 2023Highest Observation: 3.53 ft at 11:30PM Sep 26, 2023Highest Observation: 3.53 ft at 11:45PM Sep 26, 2023Highest Observation: 3.53 ft at 12:00AM Sep 27, 2023Highest Observation: 3.53 ft at 12:15AM Sep 27, 2023Highest Observation: 3.53 ft at 12:30AM Sep 27, 2023Highest Observation: 3.53 ft at 12:45AM Sep 27, 2023Highest Observation: 3.53 ft at 1:00AM Sep 27, 2023Highest Observation: 3.53 ft at 1:15AM Sep 27, 2023Highest Observation: 3.53 ft at 1:30AM Sep 27, 2023Highest Observation: 3.53 ft at 1:45AM Sep 27, 2023Highest Observation: 3.53 ft at 2:00AM Sep 27, 2023Highest Observation: 3.53 ft at 2:15AM Sep 27, 2023Highest Observation: 3.53 ft at 2:30AM Sep 27, 2023Highest Observation: 3.53 ft at 2:45AM Sep 27, 2023Highest Observation: 3.53 ft at 3:00AM Sep 27, 2023Highest Observation: 3.53 ft at 3:15AM Sep 27, 2023Highest Observation: 3.53 ft at 3:30AM Sep 27, 2023Highest Observation: 3.53 ft at 3:45AM Sep 27, 2023Highest Observation: 3.53 ft at 4:00AM Sep 27, 2023Highest Observation: 3.53 ft at 4:15AM Sep 27, 2023Forecast: 3.49 ft 5:00AM Sep 27, 2023Forecast: 3.53 ft 11:00AM Sep 27, 2023Highest Forecast: 3.58 ft 5:00PM Sep 27, 2023Forecast: 3.56 ft 11:00PM Sep 27, 2023Forecast: 3.55 ft 5:00AM Sep 28, 2023Forecast: 3.54 ft 11:00AM Sep 28, 2023Forecast: 3.53 ft 5:00PM Sep 28, 2023Forecast: 3.53 ft 11:00PM Sep 28, 2023Forecast: 3.54 ft 5:00AM Sep 29, 2023Forecast: 3.55 ft 11:00AM Sep 29, 2023Forecast: 3.56 ft 5:00PM Sep 29, 2023Forecast: 3.56 ft 11:00PM Sep 29, 2023Forecast: 3.56 ft 5:00AM Sep 30, 2023Forecast: 3.55 ft 11:00AM Sep 30, 2023Forecast: 3.54 ft 5:00PM Sep 30, 2023Forecast: 3.54 ft 11:00PM Sep 30, 2023Forecast: 3.53 ft 5:00AM Oct 01, 2023Forecast: 3.53 ft 11:00AM Oct 01, 2023Forecast: 3.53 ft 5:00PM Oct 01, 2023Forecast: 3.53 ft 11:00PM Oct 01, 2023Forecast: 3.53 ft 5:00AM Oct 02, 2023Forecast: 3.53 ft 11:00AM Oct 02, 2023Forecast: 3.53 ft 5:00PM Oct 02, 2023Forecast: 3.53 ft 11:00PM Oct 02, 2023Forecast: 3.54 ft 5:00AM Oct 03, 2023Forecast: 3.54 ft 11:00AM Oct 03, 2023Forecast: 3.54 ft 5:00PM Oct 03, 2023Forecast: 3.53 ft 11:00PM Oct 03, 2023USGS--Water Resources of the United StatesWTLO3(plotting HGIRG) Graph Created (4:34AM Sep 27, 2023)ObservedForecast (issued 2:36PM Sep 26)Latest observed value: 3.53 ft at 4:15 AM PDT 27-Sep-2023. Flood Stage is 12 ft
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts for the S. Santiam River at Waterloo are issued routinely year-round.
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Upstream Gauge - near Foster Upstream Gauge Downstream Gauge Downstream Gauge - at Jefferson
Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 0
Flood Stage: 12
Action Stage: 10.2
Low Stage (in feet): -9999

Historic Crests
(1) 24.50 ft on 12/22/1964
(2) 22.85 ft on 12/28/1945
(3) 22.00 ft on 03/31/1931
(4) 21.10 ft on 12/11/1956
(5) 21.08 ft on 02/10/1961
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.96 ft on 04/12/2019
(2) 10.08 ft on 11/26/1999
(3) 11.31 ft on 11/19/1996
(4) 13.09 ft on 02/07/1996
(5) 10.58 ft on 01/15/1974
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.
Zoom Level:16
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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
16 expect widespread flooding of low-lying farmland and property from Sweet Home downstream to Lebanon, with some flooding of secondary roads near the South Santiam.
12 expect flooding of low-lying areas along the river.
Photos
(1) USGS gage house
(2) Upstream view
(3) Downstream view
About This Location Collapse

Latitude: 44.497778° N, Longitude: 122.821944° 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 29 370.39 ft 382.39 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:
Additional Information Collapse
10-day Forecast/Trend, Northwest River Forecast Center
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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
Portland Weather Forecast Office
5241 NE 122nd Avenue
Portland, OR 97230-1089
(503) 261-9246
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